{"id":1322,"date":"2021-09-24T09:37:34","date_gmt":"2021-09-24T09:37:34","guid":{"rendered":"https:\/\/www.nplindia.org\/?page_id=1322"},"modified":"2025-12-11T10:23:29","modified_gmt":"2025-12-11T10:23:29","slug":"mass-metrology-section","status":"publish","type":"page","link":"https:\/\/www.nplindia.in\/index.php\/science-technology\/physico-mechanical-metrology\/mass-metrology-section\/","title":{"rendered":"Mass Metrology"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-page\" data-elementor-id=\"1322\" class=\"elementor elementor-1322\">\n\t\t\t\t\t\t<section class=\"has_eae_slider has_ma_el_bg_slider elementor-section elementor-top-section elementor-element elementor-element-0ed0dde elementor-section-full_width elementor-section-height-default elementor-section-height-default jltma-glass-effect-no\" data-eae-slider=\"68646\" data-id=\"0ed0dde\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-no\">\n\t\t\t\t\t<div class=\"has_eae_slider has_ma_el_bg_slider elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-5b37b25 jltma-glass-effect-no\" data-eae-slider=\"27677\" data-id=\"5b37b25\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-8dcb45b jltma-glass-effect-no elementor-widget elementor-widget-shortcode\" data-id=\"8dcb45b\" data-element_type=\"widget\" data-widget_type=\"shortcode.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-shortcode\">\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"13197\" class=\"elementor elementor-13197\">\n\t\t\t\t\t\t<section class=\"has_eae_slider has_ma_el_bg_slider elementor-section elementor-top-section elementor-element elementor-element-6eee7c7 elementor-section-full_width elementor-section-height-default elementor-section-height-default jltma-glass-effect-no\" data-eae-slider=\"53205\" data-id=\"6eee7c7\" data-element_type=\"section\" data-settings=\"{&quot;background_background&quot;:&quot;gradient&quot;}\">\n\t\t\t\t\t\t\t<div class=\"elementor-background-overlay\"><\/div>\n\t\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-no\">\n\t\t\t\t\t<div class=\"has_eae_slider has_ma_el_bg_slider elementor-column elementor-col-33 elementor-top-column elementor-element elementor-element-8b75a1a jltma-glass-effect-no\" data-eae-slider=\"25508\" data-id=\"8b75a1a\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-3ac131a elementor-widget-tablet__width-auto elementor-widget-mobile__width-auto jltma-glass-effect-no elementor-widget elementor-widget-image\" data-id=\"3ac131a\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"150\" height=\"150\" src=\"https:\/\/www.nplindia.in\/wp-content\/uploads\/2023\/01\/CSIR-removebg-preview-150x150.png\" class=\"attachment-thumbnail size-thumbnail wp-image-24151\" alt=\"\" srcset=\"https:\/\/www.nplindia.in\/wp-content\/uploads\/2023\/01\/CSIR-removebg-preview-150x150.png 150w, https:\/\/www.nplindia.in\/wp-content\/uploads\/2023\/01\/CSIR-removebg-preview-300x300.png 300w, https:\/\/www.nplindia.in\/wp-content\/uploads\/2023\/01\/CSIR-removebg-preview.png 500w\" sizes=\"(max-width: 150px) 100vw, 150px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"has_eae_slider has_ma_el_bg_slider elementor-column elementor-col-33 elementor-top-column elementor-element elementor-element-9e41c9f jltma-glass-effect-no\" data-eae-slider=\"20261\" data-id=\"9e41c9f\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-21388ae jltma-glass-effect-no elementor-widget elementor-widget-text-editor\" data-id=\"21388ae\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p style=\"text-align: center; font-size: 43px; font-family: Arial Rounded MT Bold;\"><span style=\"color: #ffffff;\">\u0938\u0940\u090f\u0938\u0906\u0908\u0906\u0930-\u0930\u093e\u0937\u094d\u091f\u094d\u0930\u0940\u092f \u092d\u094c\u0924\u093f\u0915 \u092a\u094d\u0930\u092f\u094b\u0917\u0936\u093e\u0932\u093e<\/span><\/p><p style=\"text-align: center; font-size: 40px; font-family: Cooper Black;\"><span style=\"color: #ffffff;\"><span style=\"text-decoration: none;\">CSIR-National Physical Laborator<\/span>y<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"has_eae_slider has_ma_el_bg_slider elementor-column elementor-col-33 elementor-top-column elementor-element elementor-element-2044372 jltma-glass-effect-no\" data-eae-slider=\"58065\" data-id=\"2044372\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-eb96210 jltma-glass-effect-no elementor-widget elementor-widget-image\" data-id=\"eb96210\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"150\" height=\"150\" src=\"https:\/\/www.nplindia.in\/wp-content\/uploads\/2021\/12\/npl-1-150x150.png\" class=\"attachment-thumbnail size-thumbnail wp-image-39141\" alt=\"\" srcset=\"https:\/\/www.nplindia.in\/wp-content\/uploads\/2021\/12\/npl-1-150x150.png 150w, https:\/\/www.nplindia.in\/wp-content\/uploads\/2021\/12\/npl-1.png 200w\" sizes=\"(max-width: 150px) 100vw, 150px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"has_eae_slider has_ma_el_bg_slider elementor-section elementor-top-section elementor-element elementor-element-985e6f6 elementor-section-full_width elementor-section-height-default elementor-section-height-default jltma-glass-effect-no\" data-eae-slider=\"51206\" data-id=\"985e6f6\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-no\">\n\t\t\t\t\t<div class=\"has_eae_slider has_ma_el_bg_slider elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-abe5fb2 jltma-glass-effect-no\" data-eae-slider=\"94312\" data-id=\"abe5fb2\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-1d40285 hfe-nav-menu__align-left hfe-submenu-icon-arrow hfe-submenu-animation-none hfe-link-redirect-child hfe-nav-menu__breakpoint-tablet jltma-glass-effect-no elementor-widget elementor-widget-navigation-menu\" data-id=\"1d40285\" data-element_type=\"widget\" data-settings=\"{&quot;padding_horizontal_menu_item&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:15,&quot;sizes&quot;:[]},&quot;padding_horizontal_menu_item_tablet&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]},&quot;padding_horizontal_menu_item_mobile&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]},&quot;padding_vertical_menu_item&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:15,&quot;sizes&quot;:[]},&quot;padding_vertical_menu_item_tablet&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]},&quot;padding_vertical_menu_item_mobile&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]},&quot;menu_space_between&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]},&quot;menu_space_between_tablet&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]},&quot;menu_space_between_mobile&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]},&quot;menu_row_space&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]},&quot;menu_row_space_tablet&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]},&quot;menu_row_space_mobile&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]},&quot;dropdown_border_radius&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;top&quot;:&quot;&quot;,&quot;right&quot;:&quot;&quot;,&quot;bottom&quot;:&quot;&quot;,&quot;left&quot;:&quot;&quot;,&quot;isLinked&quot;:true},&quot;dropdown_border_radius_tablet&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;top&quot;:&quot;&quot;,&quot;right&quot;:&quot;&quot;,&quot;bottom&quot;:&quot;&quot;,&quot;left&quot;:&quot;&quot;,&quot;isLinked&quot;:true},&quot;dropdown_border_radius_mobile&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;top&quot;:&quot;&quot;,&quot;right&quot;:&quot;&quot;,&quot;bottom&quot;:&quot;&quot;,&quot;left&quot;:&quot;&quot;,&quot;isLinked&quot;:true},&quot;width_dropdown_item&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:&quot;220&quot;,&quot;sizes&quot;:[]},&quot;width_dropdown_item_tablet&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]},&quot;width_dropdown_item_mobile&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]},&quot;padding_horizontal_dropdown_item&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]},&quot;padding_horizontal_dropdown_item_tablet&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]},&quot;padding_horizontal_dropdown_item_mobile&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]},&quot;padding_vertical_dropdown_item&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:15,&quot;sizes&quot;:[]},&quot;padding_vertical_dropdown_item_tablet&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]},&quot;padding_vertical_dropdown_item_mobile&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]},&quot;distance_from_menu&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]},&quot;distance_from_menu_tablet&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]},&quot;distance_from_menu_mobile&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]},&quot;toggle_size&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]},&quot;toggle_size_tablet&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]},&quot;toggle_size_mobile&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]},&quot;toggle_border_width&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]},&quot;toggle_border_width_tablet&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]},&quot;toggle_border_width_mobile&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]},&quot;toggle_border_radius&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]},&quot;toggle_border_radius_tablet&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]},&quot;toggle_border_radius_mobile&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]}}\" data-widget_type=\"navigation-menu.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t<div class=\"hfe-nav-menu hfe-layout-horizontal hfe-nav-menu-layout horizontal hfe-pointer__none\" data-layout=\"horizontal\">\n\t\t\t\t<div role=\"button\" class=\"hfe-nav-menu__toggle elementor-clickable\">\n\t\t\t\t\t<span class=\"screen-reader-text\">Menu<\/span>\n\t\t\t\t\t<div class=\"hfe-nav-menu-icon\">\n\t\t\t\t\t\t<i aria-hidden=\"true\"  class=\"fas fa-align-justify\"><\/i>\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<nav class=\"hfe-nav-menu__layout-horizontal hfe-nav-menu__submenu-arrow\" data-toggle-icon=\"&lt;i aria-hidden=&quot;true&quot; tabindex=&quot;0&quot; class=&quot;fas fa-align-justify&quot;&gt;&lt;\/i&gt;\" data-close-icon=\"&lt;i aria-hidden=&quot;true&quot; tabindex=&quot;0&quot; class=&quot;far fa-window-close&quot;&gt;&lt;\/i&gt;\" data-full-width=\"yes\">\n\t\t\t\t\t<ul id=\"menu-1-1d40285\" class=\"hfe-nav-menu\"><li id=\"menu-item-41467\" class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-home parent hfe-creative-menu\"><a href=\"https:\/\/www.nplindia.in\/\" class = \"hfe-menu-item\">Home<\/a><\/li>\n<li id=\"menu-item-773\" class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-has-children parent hfe-has-submenu hfe-creative-menu\"><div class=\"hfe-has-submenu-container\"><a href=\"https:\/\/www.nplindia.in\/index.php\/about-us\/\" class = \"hfe-menu-item\">About us<span class='hfe-menu-toggle sub-arrow hfe-menu-child-0'><i class='fa'><\/i><\/span><\/a><\/div>\n<ul class=\"sub-menu\">\n\t<li id=\"menu-item-1986\" class=\"menu-item menu-item-type-post_type menu-item-object-page hfe-creative-menu\"><a href=\"https:\/\/www.nplindia.in\/index.php\/about-us\/directors-message\/\" class = \"hfe-sub-menu-item\">Our Director<\/a><\/li>\n\t<li id=\"menu-item-9270\" class=\"menu-item menu-item-type-post_type menu-item-object-page hfe-creative-menu\"><a href=\"https:\/\/www.nplindia.in\/index.php\/about-us\/npl-charter\/\" class = \"hfe-sub-menu-item\">NPL Charter<\/a><\/li>\n\t<li id=\"menu-item-777\" class=\"menu-item menu-item-type-post_type menu-item-object-page hfe-creative-menu\"><a href=\"https:\/\/www.nplindia.in\/index.php\/about-us\/vision-mission\/\" class = \"hfe-sub-menu-item\">Vision &#038; Mission<\/a><\/li>\n\t<li id=\"menu-item-775\" class=\"menu-item menu-item-type-post_type menu-item-object-page hfe-creative-menu\"><a href=\"https:\/\/www.nplindia.in\/index.php\/about-us\/organizational-structure\/\" class = \"hfe-sub-menu-item\">Organizational Structure<\/a><\/li>\n\t<li id=\"menu-item-776\" class=\"menu-item menu-item-type-post_type menu-item-object-page hfe-creative-menu\"><a href=\"https:\/\/www.nplindia.in\/index.php\/about-us\/research-council\/\" class = \"hfe-sub-menu-item\">Research Council<\/a><\/li>\n\t<li id=\"menu-item-801\" class=\"menu-item menu-item-type-post_type menu-item-object-page hfe-creative-menu\"><a href=\"https:\/\/www.nplindia.in\/index.php\/management-council\/\" class = \"hfe-sub-menu-item\">Management Council<\/a><\/li>\n\t<li id=\"menu-item-16449\" class=\"menu-item menu-item-type-custom menu-item-object-custom hfe-creative-menu\"><a href=\"\/wp-content\/uploads\/2022\/01\/Quality-Policy_Dec2021.pdf\" class = \"hfe-sub-menu-item\">Quality Policy<\/a><\/li>\n\t<li id=\"menu-item-37748\" class=\"menu-item menu-item-type-post_type menu-item-object-page hfe-creative-menu\"><a href=\"https:\/\/www.nplindia.in\/index.php\/media_coverage_2026\/\" class = \"hfe-sub-menu-item\">Media Coverage<\/a><\/li>\n<\/ul>\n<\/li>\n<li id=\"menu-item-802\" class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-has-children parent hfe-has-submenu hfe-creative-menu\"><div class=\"hfe-has-submenu-container\"><a href=\"https:\/\/www.nplindia.in\/index.php\/science-technology\/\" class = \"hfe-menu-item\">Science &#038; Technology<span class='hfe-menu-toggle sub-arrow hfe-menu-child-0'><i class='fa'><\/i><\/span><\/a><\/div>\n<ul class=\"sub-menu\">\n\t<li id=\"menu-item-808\" class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-has-children hfe-has-submenu hfe-creative-menu\"><div class=\"hfe-has-submenu-container\"><a href=\"https:\/\/www.nplindia.in\/index.php\/science-technology\/physico-mechanical-metrology\/\" class = \"hfe-sub-menu-item\">Physico-Mechanical Metrology<span class='hfe-menu-toggle sub-arrow hfe-menu-child-1'><i class='fa'><\/i><\/span><\/a><\/div>\n\t<ul class=\"sub-menu\">\n\t\t<li id=\"menu-item-1361\" class=\"menu-item menu-item-type-post_type menu-item-object-page hfe-creative-menu\"><a href=\"https:\/\/www.nplindia.in\/index.php\/science-technology\/physico-mechanical-metrology\/mass-metrology-section\/\" class = \"hfe-sub-menu-item\">Mass Metrology<\/a><\/li>\n\t\t<li id=\"menu-item-1362\" class=\"menu-item menu-item-type-post_type menu-item-object-page hfe-creative-menu\"><a href=\"https:\/\/www.nplindia.in\/index.php\/science-technology\/physico-mechanical-metrology\/length-dimension-and-nano-metrology-section\/\" class = \"hfe-sub-menu-item\">Length , Dimension &#038; Nano Metrology<\/a><\/li>\n\t\t<li id=\"menu-item-1360\" class=\"menu-item menu-item-type-post_type menu-item-object-page hfe-creative-menu\"><a href=\"https:\/\/www.nplindia.in\/index.php\/science-technology\/physico-mechanical-metrology\/temperature-and-humidity-metrology-section\/\" class = \"hfe-sub-menu-item\">Temperature &#038; Humidity Metrology<\/a><\/li>\n\t\t<li id=\"menu-item-1359\" class=\"menu-item menu-item-type-post_type menu-item-object-page hfe-creative-menu\"><a href=\"https:\/\/www.nplindia.in\/index.php\/science-technology\/physico-mechanical-metrology\/optical-radiation-metrology-section\/\" class = \"hfe-sub-menu-item\">Optical Radiation Metrology<\/a><\/li>\n\t\t<li id=\"menu-item-1358\" class=\"menu-item menu-item-type-post_type menu-item-object-page hfe-creative-menu\"><a href=\"https:\/\/www.nplindia.in\/index.php\/science-technology\/physico-mechanical-metrology\/force-and-hardness-metrology-section\/\" class = \"hfe-sub-menu-item\">Force &#038; Hardness Metrology<\/a><\/li>\n\t\t<li id=\"menu-item-1355\" class=\"menu-item menu-item-type-post_type menu-item-object-page hfe-creative-menu\"><a href=\"https:\/\/www.nplindia.in\/index.php\/science-technology\/physico-mechanical-metrology\/pressure-vacuum-and-ultrasonic-metrology-2\/\" class = \"hfe-sub-menu-item\">Pressure, Vacuum &#038; Ultrasonic Metrology<\/a><\/li>\n\t\t<li id=\"menu-item-1356\" class=\"menu-item menu-item-type-post_type menu-item-object-page hfe-creative-menu\"><a href=\"https:\/\/www.nplindia.in\/index.php\/science-technology\/physico-mechanical-metrology\/acoustics-and-vibration-metrology\/\" class = \"hfe-sub-menu-item\">Acoustics &#038; Vibration Metrology<\/a><\/li>\n\t\t<li id=\"menu-item-1357\" class=\"menu-item menu-item-type-post_type menu-item-object-page hfe-creative-menu\"><a href=\"https:\/\/www.nplindia.in\/index.php\/science-technology\/physico-mechanical-metrology\/fluid-flow-measurement-metrology-section\/\" class = \"hfe-sub-menu-item\">Fluid Flow Metrology<\/a><\/li>\n\t<\/ul>\n<\/li>\n\t<li id=\"menu-item-805\" class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-has-children hfe-has-submenu hfe-creative-menu\"><div class=\"hfe-has-submenu-container\"><a href=\"https:\/\/www.nplindia.in\/index.php\/science-technology\/electrical-electronics-metrology-division\/\" class = \"hfe-sub-menu-item\">Electrical&#038;Electronics Metrology<span class='hfe-menu-toggle sub-arrow hfe-menu-child-1'><i class='fa'><\/i><\/span><\/a><\/div>\n\t<ul class=\"sub-menu\">\n\t\t<li id=\"menu-item-2160\" class=\"menu-item menu-item-type-post_type menu-item-object-page hfe-creative-menu\"><a href=\"https:\/\/www.nplindia.in\/index.php\/science-technology\/electrical-electronics-metrology-division\/lf-hf-impedance-and-dc-metrology-section\/\" class = \"hfe-sub-menu-item\">LF, HF Impedance &#038; DC Metrology<\/a><\/li>\n\t\t<li id=\"menu-item-2159\" class=\"menu-item menu-item-type-post_type menu-item-object-page hfe-creative-menu\"><a href=\"https:\/\/www.nplindia.in\/index.php\/science-technology\/electrical-electronics-metrology-division\/ac-high-voltage-current-metrology-section\/\" class = \"hfe-sub-menu-item\">AC High Voltage &#038; Current Metrology<\/a><\/li>\n\t\t<li id=\"menu-item-2158\" class=\"menu-item menu-item-type-post_type menu-item-object-page hfe-creative-menu\"><a href=\"https:\/\/www.nplindia.in\/index.php\/science-technology\/electrical-electronics-metrology-division\/ac-power-energy-metrology-section\/\" class = \"hfe-sub-menu-item\">AC Power &#038; Energy Metrology<\/a><\/li>\n\t\t<li id=\"menu-item-2157\" class=\"menu-item menu-item-type-post_type menu-item-object-page hfe-creative-menu\"><a href=\"https:\/\/www.nplindia.in\/index.php\/science-technology\/electrical-electronics-metrology-division\/quantum-nanophotonics-metrology-section\/\" class = \"hfe-sub-menu-item\">Quantum Nanophotonics Metrology<\/a><\/li>\n\t\t<li id=\"menu-item-24376\" class=\"menu-item menu-item-type-post_type menu-item-object-page hfe-creative-menu\"><a href=\"https:\/\/www.nplindia.in\/index.php\/quantum-resistance-metrology\/\" class = \"hfe-sub-menu-item\">Quantum Resistance Metrology<\/a><\/li>\n\t<\/ul>\n<\/li>\n\t<li id=\"menu-item-806\" class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-has-children hfe-has-submenu hfe-creative-menu\"><div class=\"hfe-has-submenu-container\"><a href=\"https:\/\/www.nplindia.in\/index.php\/science-technology\/environmental-sciences-and-biomedical-metrology-division\/\" class = \"hfe-sub-menu-item\">Environmental Sciences&#038;Biomedical Metrology<span class='hfe-menu-toggle sub-arrow hfe-menu-child-1'><i class='fa'><\/i><\/span><\/a><\/div>\n\t<ul class=\"sub-menu\">\n\t\t<li id=\"menu-item-2423\" class=\"menu-item menu-item-type-post_type menu-item-object-page hfe-creative-menu\"><a href=\"https:\/\/www.nplindia.in\/index.php\/science-technology\/environmental-sciences-and-biomedical-metrology-division\/atmospheric-science-metrology\/\" class = \"hfe-sub-menu-item\">Atmospheric Science &#038; Metrology<\/a><\/li>\n\t\t<li id=\"menu-item-2422\" class=\"menu-item menu-item-type-post_type menu-item-object-page hfe-creative-menu\"><a href=\"https:\/\/www.nplindia.in\/index.php\/science-technology\/environmental-sciences-and-biomedical-metrology-division\/gas-metrology\/\" class = \"hfe-sub-menu-item\">Gas Metrology<\/a><\/li>\n\t\t<li id=\"menu-item-2421\" class=\"menu-item menu-item-type-post_type menu-item-object-page hfe-creative-menu\"><a href=\"https:\/\/www.nplindia.in\/index.php\/science-technology\/environmental-sciences-and-biomedical-metrology-division\/biomedical-metrology\/\" class = \"hfe-sub-menu-item\">Biomedical Metrology<\/a><\/li>\n\t\t<li id=\"menu-item-2420\" class=\"menu-item menu-item-type-post_type menu-item-object-page hfe-creative-menu\"><a href=\"https:\/\/www.nplindia.in\/index.php\/science-technology\/environmental-sciences-and-biomedical-metrology-division\/sensor-devices-metrology-section\/\" class = \"hfe-sub-menu-item\">Sensor Devices &#038; Metrology<\/a><\/li>\n\t<\/ul>\n<\/li>\n\t<li id=\"menu-item-803\" class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-has-children hfe-has-submenu hfe-creative-menu\"><div class=\"hfe-has-submenu-container\"><a href=\"https:\/\/www.nplindia.in\/index.php\/science-technology\/advanced-materials-and-device-metrology-division\/\" class = \"hfe-sub-menu-item\">Advanced Materials &#038; Device Metrology<span class='hfe-menu-toggle sub-arrow hfe-menu-child-1'><i class='fa'><\/i><\/span><\/a><\/div>\n\t<ul class=\"sub-menu\">\n\t\t<li id=\"menu-item-2772\" class=\"menu-item menu-item-type-post_type menu-item-object-page hfe-creative-menu\"><a href=\"https:\/\/www.nplindia.in\/index.php\/science-technology\/advanced-materials-and-device-metrology-division\/photovoltaic-metrology-section\/\" class = \"hfe-sub-menu-item\">Photovoltaic Metrology<\/a><\/li>\n\t\t<li id=\"menu-item-2771\" class=\"menu-item menu-item-type-post_type menu-item-object-page hfe-creative-menu\"><a href=\"https:\/\/www.nplindia.in\/index.php\/science-technology\/advanced-materials-and-device-metrology-division\/photonic-materials-metrology\/\" class = \"hfe-sub-menu-item\">Photonic Materials Metrology<\/a><\/li>\n\t\t<li id=\"menu-item-2770\" class=\"menu-item menu-item-type-post_type menu-item-object-page hfe-creative-menu\"><a href=\"https:\/\/www.nplindia.in\/index.php\/science-technology\/advanced-materials-and-device-metrology-division\/advanced-carbon-products-and-metrology-section\/\" class = \"hfe-sub-menu-item\">Advanced Carbon Products &#038; Metrology<\/a><\/li>\n\t<\/ul>\n<\/li>\n\t<li id=\"menu-item-804\" class=\"menu-item menu-item-type-post_type menu-item-object-page hfe-creative-menu\"><a href=\"https:\/\/www.nplindia.in\/index.php\/science-technology\/bharatiya-nirdeshak-dravya-bnd-indian-reference-material\/\" class = \"hfe-sub-menu-item\">Bharatiya Nirdeshak Dravya (BND) : Indian Reference Material<\/a><\/li>\n\t<li id=\"menu-item-807\" class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-has-children hfe-has-submenu hfe-creative-menu\"><div class=\"hfe-has-submenu-container\"><a href=\"https:\/\/www.nplindia.in\/index.php\/science-technology\/indian-standard-time-metrology-division\/\" class = \"hfe-sub-menu-item\">Indian Standard Time Metrology<span class='hfe-menu-toggle sub-arrow hfe-menu-child-1'><i class='fa'><\/i><\/span><\/a><\/div>\n\t<ul class=\"sub-menu\">\n\t\t<li id=\"menu-item-3355\" class=\"menu-item menu-item-type-post_type menu-item-object-page hfe-creative-menu\"><a href=\"https:\/\/www.nplindia.in\/index.php\/science-technology\/indian-standard-time-metrology-division\/time-and-frequency-metrology-section\/\" class = \"hfe-sub-menu-item\">Time and Frequency Metrology<\/a><\/li>\n\t\t<li id=\"menu-item-3354\" class=\"menu-item menu-item-type-post_type menu-item-object-page hfe-creative-menu\"><a href=\"https:\/\/www.nplindia.in\/index.php\/science-technology\/indian-standard-time-metrology-division\/lf-hf-voltage-current-and-microwave-metrology-section\/\" class = \"hfe-sub-menu-item\">LF &#038; HF Voltage, Current &#038; Microwave Metrology<\/a><\/li>\n\t\t<li id=\"menu-item-3353\" class=\"menu-item menu-item-type-post_type menu-item-object-page hfe-creative-menu\"><a href=\"https:\/\/www.nplindia.in\/index.php\/science-technology\/indian-standard-time-metrology-division\/electromagnetic-metrology-section\/\" class = \"hfe-sub-menu-item\">Electromagnetic Metrology<\/a><\/li>\n\t<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<li id=\"menu-item-778\" class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-has-children parent hfe-has-submenu hfe-creative-menu\"><div class=\"hfe-has-submenu-container\"><a href=\"https:\/\/www.nplindia.in\/index.php\/academic-programs\/\" class = \"hfe-menu-item\">Academic Programs<span class='hfe-menu-toggle sub-arrow hfe-menu-child-0'><i class='fa'><\/i><\/span><\/a><\/div>\n<ul class=\"sub-menu\">\n\t<li id=\"menu-item-779\" class=\"menu-item menu-item-type-post_type menu-item-object-page hfe-creative-menu\"><a href=\"https:\/\/www.nplindia.in\/index.php\/academic-programs\/ph-d-program\/\" class = \"hfe-sub-menu-item\">Ph.D Program<\/a><\/li>\n\t<li id=\"menu-item-780\" class=\"menu-item menu-item-type-post_type menu-item-object-page hfe-creative-menu\"><a href=\"https:\/\/www.nplindia.in\/index.php\/academic-programs\/pmqc\/\" class = \"hfe-sub-menu-item\">PMQC<\/a><\/li>\n<\/ul>\n<\/li>\n<li id=\"menu-item-789\" class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-has-children parent hfe-has-submenu hfe-creative-menu\"><div class=\"hfe-has-submenu-container\"><a href=\"https:\/\/www.nplindia.in\/index.php\/facilities\/\" class = \"hfe-menu-item\">Services<span class='hfe-menu-toggle sub-arrow hfe-menu-child-0'><i class='fa'><\/i><\/span><\/a><\/div>\n<ul class=\"sub-menu\">\n\t<li id=\"menu-item-788\" class=\"menu-item menu-item-type-post_type menu-item-object-page hfe-creative-menu\"><a href=\"https:\/\/www.nplindia.in\/index.php\/commercial-services\/characterized-your-sample-at-npl\/\" class = \"hfe-sub-menu-item\">NPL Outreach for National Development<\/a><\/li>\n\t<li id=\"menu-item-790\" class=\"menu-item menu-item-type-post_type menu-item-object-page hfe-creative-menu\"><a href=\"https:\/\/www.nplindia.in\/index.php\/facilities\/pme\/\" class = \"hfe-sub-menu-item\">Planning, Monitoring &#038; Evaluation Group<\/a><\/li>\n\t<li id=\"menu-item-39330\" class=\"menu-item menu-item-type-post_type menu-item-object-page hfe-creative-menu\"><a href=\"https:\/\/www.nplindia.in\/index.php\/facilities\/business-development-group\/\" class = \"hfe-sub-menu-item\">Business Development Group<\/a><\/li>\n\t<li id=\"menu-item-798\" class=\"menu-item menu-item-type-post_type menu-item-object-page hfe-creative-menu\"><a href=\"https:\/\/www.nplindia.in\/index.php\/ipr\/\" class = \"hfe-sub-menu-item\">Intellectual Property Right Group<\/a><\/li>\n\t<li id=\"menu-item-7972\" class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-has-children hfe-has-submenu hfe-creative-menu\"><div class=\"hfe-has-submenu-container\"><a href=\"https:\/\/www.nplindia.in\/index.php\/facilities\/knowledge-resource-centre\/\" class = \"hfe-sub-menu-item\">Knowledge Resource Centre<span class='hfe-menu-toggle sub-arrow hfe-menu-child-1'><i class='fa'><\/i><\/span><\/a><\/div>\n\t<ul class=\"sub-menu\">\n\t\t<li id=\"menu-item-38710\" class=\"menu-item menu-item-type-post_type menu-item-object-page hfe-creative-menu\"><a href=\"https:\/\/www.nplindia.in\/index.php\/facilities\/network-server-infrastructure-cyber-security\/\" class = \"hfe-sub-menu-item\">Network, Server Infrastructure &#038; Cyber Security (NSIC)<\/a><\/li>\n\t\t<li id=\"menu-item-38789\" class=\"menu-item menu-item-type-post_type menu-item-object-page hfe-creative-menu\"><a href=\"https:\/\/www.nplindia.in\/index.php\/facilities\/csir_npl_library\/\" class = \"hfe-sub-menu-item\">Library, Website, and Social Media Section<\/a><\/li>\n\t\t<li id=\"menu-item-40041\" class=\"menu-item menu-item-type-post_type menu-item-object-page hfe-creative-menu\"><a href=\"https:\/\/www.nplindia.in\/index.php\/facilities\/t_f_metrology_support\/\" class = \"hfe-sub-menu-item\">T&#038;F Metrology Support &#038; Infrastructure Managament<\/a><\/li>\n\t\t<li id=\"menu-item-40043\" class=\"menu-item menu-item-type-post_type menu-item-object-page hfe-creative-menu\"><a href=\"https:\/\/www.nplindia.in\/index.php\/facilities\/end_user_it_services\/\" class = \"hfe-sub-menu-item\">End User IT Services<\/a><\/li>\n\t\t<li id=\"menu-item-40042\" class=\"menu-item menu-item-type-post_type menu-item-object-page hfe-creative-menu\"><a href=\"https:\/\/www.nplindia.in\/index.php\/facilities\/digital_metrology\/\" class = \"hfe-sub-menu-item\">Digital Metrology<\/a><\/li>\n\t<\/ul>\n<\/li>\n\t<li id=\"menu-item-19481\" class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-has-children hfe-has-submenu hfe-creative-menu\"><div class=\"hfe-has-submenu-container\"><a href=\"https:\/\/www.nplindia.in\/index.php\/human-resource-development\/\" class = \"hfe-sub-menu-item\">Human Resource Development<span class='hfe-menu-toggle sub-arrow hfe-menu-child-1'><i class='fa'><\/i><\/span><\/a><\/div>\n\t<ul class=\"sub-menu\">\n\t\t<li id=\"menu-item-988\" class=\"menu-item menu-item-type-post_type menu-item-object-page hfe-creative-menu\"><a href=\"https:\/\/www.nplindia.in\/index.php\/facilities\/hrd-2\/\" class = \"hfe-sub-menu-item\">Human Resource Development Group<\/a><\/li>\n\t\t<li id=\"menu-item-19482\" class=\"menu-item menu-item-type-post_type menu-item-object-page hfe-creative-menu\"><a href=\"https:\/\/www.nplindia.in\/index.php\/skill-development\/\" class = \"hfe-sub-menu-item\">Skill Development<\/a><\/li>\n\t<\/ul>\n<\/li>\n\t<li id=\"menu-item-989\" class=\"menu-item menu-item-type-post_type menu-item-object-page hfe-creative-menu\"><a href=\"https:\/\/www.nplindia.in\/index.php\/facilities\/cmdf\/\" class = \"hfe-sub-menu-item\">CMDF<\/a><\/li>\n<\/ul>\n<\/li>\n<li id=\"menu-item-787\" class=\"menu-item menu-item-type-post_type menu-item-object-page parent hfe-creative-menu\"><a href=\"https:\/\/www.nplindia.in\/index.php\/commercial-services\/calibration-testing\/\" class = \"hfe-menu-item\">Calibration &#038; Testing<\/a><\/li>\n<li id=\"menu-item-40638\" class=\"menu-item menu-item-type-post_type menu-item-object-page parent hfe-creative-menu\"><a href=\"https:\/\/www.nplindia.in\/index.php\/commercial-services\/certification_services\/\" class = \"hfe-menu-item\">Certification Services<\/a><\/li>\n<li id=\"menu-item-791\" class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-has-children parent hfe-has-submenu hfe-creative-menu\"><div class=\"hfe-has-submenu-container\"><a href=\"https:\/\/www.nplindia.in\/index.php\/institutional-resources\/\" class = \"hfe-menu-item\">Institutional Resources<span class='hfe-menu-toggle sub-arrow hfe-menu-child-0'><i class='fa'><\/i><\/span><\/a><\/div>\n<ul class=\"sub-menu\">\n\t<li id=\"menu-item-792\" class=\"menu-item menu-item-type-post_type menu-item-object-page hfe-creative-menu\"><a href=\"https:\/\/www.nplindia.in\/index.php\/institutional-resources\/annual-report\/\" class = \"hfe-sub-menu-item\">Annual Report<\/a><\/li>\n\t<li id=\"menu-item-795\" class=\"menu-item menu-item-type-post_type menu-item-object-page hfe-creative-menu\"><a href=\"https:\/\/www.nplindia.in\/index.php\/institutional-resources\/papers-published\/\" class = \"hfe-sub-menu-item\">Papers Published<\/a><\/li>\n\t<li id=\"menu-item-5232\" class=\"menu-item menu-item-type-custom menu-item-object-custom hfe-creative-menu\"><a target=\"_blank\"rel=\"noopener\" href=\"\/wp-content\/uploads\/2021\/10\/npldjvsec-1.pdf\" class = \"hfe-sub-menu-item\">Diamond Jubilee Volume<\/a><\/li>\n\t<li id=\"menu-item-17555\" class=\"menu-item menu-item-type-custom menu-item-object-custom hfe-creative-menu\"><a target=\"_blank\"rel=\"noopener\" href=\"\/wp-content\/uploads\/2022\/01\/NPLCompendium2022.pdf\" class = \"hfe-sub-menu-item\">A Compendium of Scientific Triumphs<\/a><\/li>\n\t<li id=\"menu-item-32164\" class=\"menu-item menu-item-type-custom menu-item-object-custom hfe-creative-menu\"><a target=\"_blank\"rel=\"noopener\" href=\"\/wp-content\/uploads\/2023\/09\/CSIR_women_in_STEM_compendium_2023.pdf\" class = \"hfe-sub-menu-item\">CSIR Women Achievers in STEM<\/a><\/li>\n\t<li id=\"menu-item-7797\" class=\"menu-item menu-item-type-custom menu-item-object-custom hfe-creative-menu\"><a target=\"_blank\"rel=\"noopener\" href=\"http:\/\/npl.csircentral.net\/\" class = \"hfe-sub-menu-item\">IR@NPL<\/a><\/li>\n\t<li id=\"menu-item-797\" class=\"menu-item menu-item-type-post_type menu-item-object-page hfe-creative-menu\"><a href=\"https:\/\/www.nplindia.in\/index.php\/institutional-resources\/samiksha\/\" class = \"hfe-sub-menu-item\">Samiksha<\/a><\/li>\n\t<li id=\"menu-item-38879\" class=\"menu-item menu-item-type-custom menu-item-object-custom hfe-creative-menu\"><a target=\"_blank\"rel=\"noopener\" href=\"\/wp-content\/uploads\/docs\/collected_works_of_ks_krishnan.pdf\" class = \"hfe-sub-menu-item\">Collected Works of KS Krishnan<\/a><\/li>\n\t<li id=\"menu-item-794\" class=\"menu-item menu-item-type-post_type menu-item-object-page hfe-creative-menu\"><a href=\"https:\/\/www.nplindia.in\/index.php\/institutional-resources\/educate-explore\/\" class = \"hfe-sub-menu-item\">Educate &#038; Explore<\/a><\/li>\n<\/ul>\n<\/li>\n<li id=\"menu-item-23233\" class=\"menu-item menu-item-type-post_type menu-item-object-page parent hfe-creative-menu\"><a href=\"https:\/\/www.nplindia.in\/index.php\/facilities\/achievements_technologies\/\" class = \"hfe-menu-item\">Achievements<\/a><\/li>\n<li id=\"menu-item-1099\" class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-has-children parent hfe-has-submenu hfe-creative-menu\"><div class=\"hfe-has-submenu-container\"><a href=\"https:\/\/www.nplindia.in\/index.php\/important-links\/\" class = \"hfe-menu-item\">Important Links<span class='hfe-menu-toggle sub-arrow hfe-menu-child-0'><i class='fa'><\/i><\/span><\/a><\/div>\n<ul class=\"sub-menu\">\n\t<li id=\"menu-item-39359\" class=\"menu-item menu-item-type-custom menu-item-object-custom hfe-creative-menu\"><a href=\"https:\/\/eoffice.csir.res.in\/\" class = \"hfe-sub-menu-item\">eOffice<\/a><\/li>\n\t<li id=\"menu-item-8831\" class=\"menu-item menu-item-type-custom menu-item-object-custom hfe-creative-menu\"><a target=\"_blank\"rel=\"noopener\" href=\"https:\/\/email.gov.in\" class = \"hfe-sub-menu-item\">email.gov.in<\/a><\/li>\n\t<li id=\"menu-item-37764\" class=\"menu-item menu-item-type-custom menu-item-object-custom hfe-creative-menu\"><a target=\"_blank\"rel=\"noopener\" href=\"https:\/\/e-hrms.gov.in\/login\" class = \"hfe-sub-menu-item\">e-HRMS<\/a><\/li>\n\t<li id=\"menu-item-37766\" class=\"menu-item menu-item-type-custom menu-item-object-custom hfe-creative-menu\"><a target=\"_blank\"rel=\"noopener\" href=\"https:\/\/access.nal.res.in\/accessapp\/login\" class = \"hfe-sub-menu-item\">CSIR-ACCESS<\/a><\/li>\n\t<li id=\"menu-item-16789\" class=\"menu-item menu-item-type-custom menu-item-object-custom hfe-creative-menu\"><a href=\"\/index.php\/recruitments\/\" class = \"hfe-sub-menu-item\">Careers<\/a><\/li>\n\t<li id=\"menu-item-22038\" class=\"menu-item menu-item-type-post_type menu-item-object-page hfe-creative-menu\"><a href=\"https:\/\/www.nplindia.in\/index.php\/important-links\/intranet\/\" class = \"hfe-sub-menu-item\">Intranet<\/a><\/li>\n\t<li id=\"menu-item-17420\" class=\"menu-item menu-item-type-custom menu-item-object-custom menu-item-has-children hfe-has-submenu hfe-creative-menu\"><div class=\"hfe-has-submenu-container\"><a href=\"http:\/\/http\" class = \"hfe-sub-menu-item\">CSIR Web Portals<span class='hfe-menu-toggle sub-arrow hfe-menu-child-1'><i class='fa'><\/i><\/span><\/a><\/div>\n\t<ul class=\"sub-menu\">\n\t\t<li id=\"menu-item-17421\" class=\"menu-item menu-item-type-custom menu-item-object-custom hfe-creative-menu\"><a target=\"_blank\"rel=\"noopener\" href=\"https:\/\/covid19csir.urdip.res.in\/\" class = \"hfe-sub-menu-item\">CSIR&#8217;s COVID Portal<\/a><\/li>\n\t\t<li id=\"menu-item-17425\" class=\"menu-item menu-item-type-custom menu-item-object-custom hfe-creative-menu\"><a target=\"_blank\"rel=\"noopener\" href=\"https:\/\/innovateindia.mygov.in\/csir-societal-platform\/\" class = \"hfe-sub-menu-item\">CSIR&#8217;s Societal Portal<\/a><\/li>\n\t\t<li id=\"menu-item-17422\" class=\"menu-item menu-item-type-custom menu-item-object-custom hfe-creative-menu\"><a target=\"_blank\"rel=\"noopener\" href=\"https:\/\/techindiacsir.anusandhan.net\" class = \"hfe-sub-menu-item\">CSIR&#8217;s Technology Showcase<\/a><\/li>\n\t\t<li id=\"menu-item-17423\" class=\"menu-item menu-item-type-custom menu-item-object-custom hfe-creative-menu\"><a target=\"_blank\"rel=\"noopener\" href=\"https:\/\/jigyasa-csir.in\/\" class = \"hfe-sub-menu-item\">JIGYASA<\/a><\/li>\n\t\t<li id=\"menu-item-17424\" class=\"menu-item menu-item-type-custom menu-item-object-custom hfe-creative-menu\"><a target=\"_blank\"rel=\"noopener\" href=\"https:\/\/www.prabhass.gov.in\/\" class = \"hfe-sub-menu-item\">PRABHASS<\/a><\/li>\n\t<\/ul>\n<\/li>\n\t<li id=\"menu-item-8833\" class=\"menu-item menu-item-type-custom menu-item-object-custom hfe-creative-menu\"><a target=\"_blank\"rel=\"noopener\" href=\"https:\/\/onecsir.res.in\" class = \"hfe-sub-menu-item\">OneCSIR<\/a><\/li>\n\t<li id=\"menu-item-8834\" class=\"menu-item menu-item-type-custom menu-item-object-custom hfe-creative-menu\"><a target=\"_blank\"rel=\"noopener\" href=\"https:\/\/acsir.res.in\/\" class = \"hfe-sub-menu-item\">AcSIR<\/a><\/li>\n\t<li id=\"menu-item-8835\" class=\"menu-item menu-item-type-custom menu-item-object-custom hfe-creative-menu\"><a target=\"_blank\"rel=\"noopener\" href=\"https:\/\/www.nplfsf.in\/\" class = \"hfe-sub-menu-item\">NPL Former Scientists Forum<\/a><\/li>\n\t<li id=\"menu-item-9958\" class=\"menu-item menu-item-type-post_type menu-item-object-page hfe-creative-menu\"><a href=\"https:\/\/www.nplindia.in\/index.php\/important-links\/downloads\/\" class = \"hfe-sub-menu-item\">Downloads<\/a><\/li>\n<\/ul>\n<\/li>\n<li id=\"menu-item-781\" class=\"menu-item menu-item-type-post_type menu-item-object-page parent hfe-creative-menu\"><a href=\"https:\/\/www.nplindia.in\/index.php\/administration\/\" class = \"hfe-menu-item\">Administration<\/a><\/li>\n<\/ul> \n\t\t\t\t<\/nav>\n\t\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"has_eae_slider has_ma_el_bg_slider elementor-section elementor-top-section elementor-element elementor-element-f8c2a40 elementor-section-full_width elementor-section-height-default elementor-section-height-default jltma-glass-effect-no\" data-eae-slider=\"85141\" data-id=\"f8c2a40\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-no\">\n\t\t\t\t\t<div class=\"has_eae_slider has_ma_el_bg_slider elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-c42a1c5 jltma-glass-effect-no\" data-eae-slider=\"93725\" data-id=\"c42a1c5\" data-element_type=\"column\" data-settings=\"{&quot;background_background&quot;:&quot;gradient&quot;}\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-68a1689 jltma-glass-effect-no elementor-widget elementor-widget-heading\" data-id=\"68a1689\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-large\">Mass Metrology<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"has_eae_slider has_ma_el_bg_slider elementor-section elementor-top-section elementor-element elementor-element-0d4b39f elementor-section-boxed elementor-section-height-default elementor-section-height-default jltma-glass-effect-no\" data-eae-slider=\"72658\" data-id=\"0d4b39f\" data-element_type=\"section\" data-settings=\"{&quot;background_background&quot;:&quot;gradient&quot;}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"has_eae_slider has_ma_el_bg_slider elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-ede3a12 jltma-glass-effect-no\" data-eae-slider=\"60242\" data-id=\"ede3a12\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-9f0c019 jltma-glass-effect-no elementor-widget elementor-widget-accordion\" data-id=\"9f0c019\" data-element_type=\"widget\" data-widget_type=\"accordion.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-accordion\">\n\t\t\t\t\t\t\t<div class=\"elementor-accordion-item\">\n\t\t\t\t\t<div id=\"elementor-tab-title-1661\" class=\"elementor-tab-title\" data-tab=\"1\" role=\"button\" aria-controls=\"elementor-tab-content-1661\" aria-expanded=\"false\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon elementor-accordion-icon-left\" aria-hidden=\"true\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon-closed\"><i class=\"fas fa-plus\"><\/i><\/span>\n\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon-opened\"><i class=\"fas fa-minus\"><\/i><\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"elementor-accordion-title\" tabindex=\"0\">Mass Standards<\/a>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t<div id=\"elementor-tab-content-1661\" class=\"elementor-tab-content elementor-clearfix\" data-tab=\"1\" role=\"region\" aria-labelledby=\"elementor-tab-title-1661\"><p style=\"text-align: justify;\"><img decoding=\"async\" src=\"https:\/\/www.nplindia.org\/wp-content\/uploads\/2021\/09\/mass-1.png\" alt=\"\" width=\"203\" height=\"193\" class=\"alignleft wp-image-1445 size-full\" \/><strong>Definition<\/strong>: Of the seven SI base units, the kilogram was the only base unit based on the prototype, known as the international prototype of kilogram (IPK). It is housed at the International Bureau of Weights and Measures (BIPM), S\u00e8vres, France. The IPK is an alloy of 90% platinum and 10% iridium, with a cylindrical shape of 39 mm in diameter as well as height.<\/p><p style=\"text-align: justify;\">In the year 2019, the kilogram in the world has been redefined in terms of Planck constant, which is being realized through Kibble-Balance.<\/p><p style=\"text-align: justify;\">In view of these advancements in mass metrology, CSIR-NPL is working towards new definition of kilogram and expansion of related infrastructure to maintain unbroken chain of traceability in the country.<\/p><p style=\"text-align: justify;\">Copies of the IPK were also given to the various National Metrology Institutes (NMI) that are members of the Meter Convention, known as the National Prototype of the Kilogram (NPK). India has copy number 57 (NPK-57) which is kept at CSIR-National Physical Laboratory. So far BIPM has recalibrated (NPK-57) in 1955, 1985, 1992, 2002, 2012 and 2022.<\/p><p style=\"text-align: justify;\">The mass value of NPK-57 is transferred to weights from 1 mg to 2,000 kg, NPL mass standards, solid density standards, and other derived parameters. Mass metrology has successfully passed through peer review and our current CMC\u2019s on mass, volume, density and viscosity approved by BIPM is available in KCDB on the BIPM website. Mass Metrology sub-division has participated in several major comparisons and bilateral comparisons conducted by the CCM and APMP to reaffirm CMC.<\/p><\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<div class=\"elementor-accordion-item\">\n\t\t\t\t\t<div id=\"elementor-tab-title-1662\" class=\"elementor-tab-title\" data-tab=\"2\" role=\"button\" aria-controls=\"elementor-tab-content-1662\" aria-expanded=\"false\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon elementor-accordion-icon-left\" aria-hidden=\"true\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon-closed\"><i class=\"fas fa-plus\"><\/i><\/span>\n\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon-opened\"><i class=\"fas fa-minus\"><\/i><\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"elementor-accordion-title\" tabindex=\"0\">Contact Person<\/a>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t<div id=\"elementor-tab-content-1662\" class=\"elementor-tab-content elementor-clearfix\" data-tab=\"2\" role=\"region\" aria-labelledby=\"elementor-tab-title-1662\"><p><a href=\"\/wp-content\/uploads\/common\/nidhi@nplindia.pdf\" target=\"_blank\" rel=\"noopener\"><strong>Dr. Nidhi Singh<\/strong><\/a><br \/>Chief Scientist &amp; Head<br \/>Mass Metrology Section<br \/>Room No. 19, Apex Metrology Laboratory<br \/>CSIR &#8211; National Physical Laboratory<br \/>Dr. K. S. Krishnan Marg<br \/>New Delhi &#8211; 110 012, India<br \/>Email: singhnidhi<span>.nplindia@csir.res.in<\/span><br \/>Tel : 011-4709 1139, 4560 8215<\/p><\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"has_eae_slider has_ma_el_bg_slider elementor-section elementor-top-section elementor-element elementor-element-d51ed88 elementor-section-boxed elementor-section-height-default elementor-section-height-default jltma-glass-effect-no\" data-eae-slider=\"37064\" data-id=\"d51ed88\" data-element_type=\"section\" data-settings=\"{&quot;background_background&quot;:&quot;gradient&quot;}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"has_eae_slider has_ma_el_bg_slider elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-2d07353 jltma-glass-effect-no\" data-eae-slider=\"43043\" data-id=\"2d07353\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-a2b904b jltma-glass-effect-no elementor-widget elementor-widget-image-gallery\" data-id=\"a2b904b\" data-element_type=\"widget\" data-widget_type=\"image-gallery.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-image-gallery\">\n\t\t\t\n\t\t<style type=\"text\/css\">\n\t\t\t#gallery-1 {\n\t\t\t\tmargin: auto;\n\t\t\t}\n\t\t\t#gallery-1 .gallery-item {\n\t\t\t\tfloat: left;\n\t\t\t\tmargin-top: 10px;\n\t\t\t\ttext-align: center;\n\t\t\t\twidth: 25%;\n\t\t\t}\n\t\t\t#gallery-1 img {\n\t\t\t\tborder: 2px solid #cfcfcf;\n\t\t\t}\n\t\t\t#gallery-1 .gallery-caption {\n\t\t\t\tmargin-left: 0;\n\t\t\t}\n\t\t\t\/* see gallery_shortcode() in wp-includes\/media.php *\/\n\t\t<\/style>\n\t\t<div id='gallery-1' class='gallery galleryid-1322 gallery-columns-4 gallery-size-thumbnail'><dl class='gallery-item'>\n\t\t\t<dt class='gallery-icon landscape'>\n\t\t\t\t<a data-elementor-open-lightbox=\"yes\" data-elementor-lightbox-slideshow=\"a2b904b\" data-elementor-lightbox-title=\"mass2\" data-e-action-hash=\"#elementor-action%3Aaction%3Dlightbox%26settings%3DeyJpZCI6MTQ0NiwidXJsIjoiaHR0cHM6XC9cL3d3dy5ucGxpbmRpYS5pblwvd3AtY29udGVudFwvdXBsb2Fkc1wvMjAyMVwvMDlcL21hc3MyLnBuZyIsInNsaWRlc2hvdyI6ImEyYjkwNGIifQ%3D%3D\" href='https:\/\/www.nplindia.in\/wp-content\/uploads\/2021\/09\/mass2.png'><img loading=\"lazy\" decoding=\"async\" width=\"150\" height=\"150\" src=\"https:\/\/www.nplindia.in\/wp-content\/uploads\/2021\/09\/mass2-150x150.png\" class=\"attachment-thumbnail size-thumbnail\" alt=\"\" aria-describedby=\"gallery-1-1446\" \/><\/a>\n\t\t\t<\/dt>\n\t\t\t\t<dd class='wp-caption-text gallery-caption' id='gallery-1-1446'>\n\t\t\t\t1 kg Vacuum Mass Comparator (Capacity: 1 kg Readability: 0.1 \u00b5g Repeatability (in air): \u2264 0.2 \u00b5g Repeatability (in vacuum): \u2264 0.1 \u00b5g)\n\t\t\t\t<\/dd><\/dl><dl class='gallery-item'>\n\t\t\t<dt class='gallery-icon landscape'>\n\t\t\t\t<a data-elementor-open-lightbox=\"yes\" data-elementor-lightbox-slideshow=\"a2b904b\" data-elementor-lightbox-title=\"2\" data-e-action-hash=\"#elementor-action%3Aaction%3Dlightbox%26settings%3DeyJpZCI6MzAyMDAsInVybCI6Imh0dHBzOlwvXC93d3cubnBsaW5kaWEuaW5cL3dwLWNvbnRlbnRcL3VwbG9hZHNcLzIwMjNcLzA2XC8yLTIuanBnIiwic2xpZGVzaG93IjoiYTJiOTA0YiJ9\" href='https:\/\/www.nplindia.in\/wp-content\/uploads\/2023\/06\/2-2.jpg'><img loading=\"lazy\" decoding=\"async\" width=\"150\" height=\"150\" src=\"https:\/\/www.nplindia.in\/wp-content\/uploads\/2023\/06\/2-2-150x150.jpg\" class=\"attachment-thumbnail size-thumbnail\" alt=\"\" aria-describedby=\"gallery-1-30200\" \/><\/a>\n\t\t\t<\/dt>\n\t\t\t\t<dd class='wp-caption-text gallery-caption' id='gallery-1-30200'>\n\t\t\t\t50 kg Mass Comparator ( Capacity: 50 kg Readability: 0.1 mg Repeatability : \u2264 0.1 mg)\n\t\t\t\t<\/dd><\/dl><dl class='gallery-item'>\n\t\t\t<dt class='gallery-icon landscape'>\n\t\t\t\t<a data-elementor-open-lightbox=\"yes\" data-elementor-lightbox-slideshow=\"a2b904b\" data-elementor-lightbox-title=\"3\" data-e-action-hash=\"#elementor-action%3Aaction%3Dlightbox%26settings%3DeyJpZCI6MzAyMDEsInVybCI6Imh0dHBzOlwvXC93d3cubnBsaW5kaWEuaW5cL3dwLWNvbnRlbnRcL3VwbG9hZHNcLzIwMjNcLzA2XC8zLTIuanBnIiwic2xpZGVzaG93IjoiYTJiOTA0YiJ9\" href='https:\/\/www.nplindia.in\/wp-content\/uploads\/2023\/06\/3-2.jpg'><img loading=\"lazy\" decoding=\"async\" width=\"150\" height=\"150\" src=\"https:\/\/www.nplindia.in\/wp-content\/uploads\/2023\/06\/3-2-150x150.jpg\" class=\"attachment-thumbnail size-thumbnail\" alt=\"\" aria-describedby=\"gallery-1-30201\" \/><\/a>\n\t\t\t<\/dt>\n\t\t\t\t<dd class='wp-caption-text gallery-caption' id='gallery-1-30201'>\n\t\t\t\t1 kg Mass Comparator (Capacity: 1 kg Readability: 1 \u00b5g Repeatability: \u2264 0.2 \u00b5g)\n\t\t\t\t<\/dd><\/dl><dl class='gallery-item'>\n\t\t\t<dt class='gallery-icon landscape'>\n\t\t\t\t<a data-elementor-open-lightbox=\"yes\" data-elementor-lightbox-slideshow=\"a2b904b\" data-elementor-lightbox-title=\"4\" data-e-action-hash=\"#elementor-action%3Aaction%3Dlightbox%26settings%3DeyJpZCI6MzAyMDMsInVybCI6Imh0dHBzOlwvXC93d3cubnBsaW5kaWEuaW5cL3dwLWNvbnRlbnRcL3VwbG9hZHNcLzIwMjNcLzA2XC80LTIuanBnIiwic2xpZGVzaG93IjoiYTJiOTA0YiJ9\" href='https:\/\/www.nplindia.in\/wp-content\/uploads\/2023\/06\/4-2.jpg'><img loading=\"lazy\" decoding=\"async\" width=\"150\" height=\"150\" src=\"https:\/\/www.nplindia.in\/wp-content\/uploads\/2023\/06\/4-2-150x150.jpg\" class=\"attachment-thumbnail size-thumbnail\" alt=\"\" aria-describedby=\"gallery-1-30203\" \/><\/a>\n\t\t\t<\/dt>\n\t\t\t\t<dd class='wp-caption-text gallery-caption' id='gallery-1-30203'>\n\t\t\t\tRobotic Mass Comparator (Capacity: 6.1 g, Readability: 0.1 \u00b5g, Repeatability: 0.15 \u00b5g)\n\t\t\t\t<\/dd><\/dl><br style=\"clear: both\" \/>\n\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"has_eae_slider has_ma_el_bg_slider elementor-section elementor-top-section elementor-element elementor-element-7147cab elementor-section-full_width elementor-section-height-default elementor-section-height-default jltma-glass-effect-no\" data-eae-slider=\"98401\" data-id=\"7147cab\" data-element_type=\"section\">\n\t\t\t\t\t\t\t<div class=\"elementor-background-overlay\"><\/div>\n\t\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-no\">\n\t\t\t\t\t<div class=\"has_eae_slider has_ma_el_bg_slider elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-8d2244a jltma-glass-effect-no\" data-eae-slider=\"35995\" data-id=\"8d2244a\" data-element_type=\"column\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-62693b3 hfe-nav-menu__align-justify hfe-submenu-icon-arrow hfe-submenu-animation-none hfe-link-redirect-child hfe-nav-menu__breakpoint-tablet jltma-glass-effect-no elementor-widget elementor-widget-navigation-menu\" data-id=\"62693b3\" data-element_type=\"widget\" data-settings=\"{&quot;padding_horizontal_menu_item&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:15,&quot;sizes&quot;:[]},&quot;padding_horizontal_menu_item_tablet&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]},&quot;padding_horizontal_menu_item_mobile&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]},&quot;padding_vertical_menu_item&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:15,&quot;sizes&quot;:[]},&quot;padding_vertical_menu_item_tablet&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]},&quot;padding_vertical_menu_item_mobile&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]},&quot;menu_space_between&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]},&quot;menu_space_between_tablet&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]},&quot;menu_space_between_mobile&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]},&quot;menu_row_space&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]},&quot;menu_row_space_tablet&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]},&quot;menu_row_space_mobile&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]},&quot;dropdown_border_radius&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;top&quot;:&quot;&quot;,&quot;right&quot;:&quot;&quot;,&quot;bottom&quot;:&quot;&quot;,&quot;left&quot;:&quot;&quot;,&quot;isLinked&quot;:true},&quot;dropdown_border_radius_tablet&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;top&quot;:&quot;&quot;,&quot;right&quot;:&quot;&quot;,&quot;bottom&quot;:&quot;&quot;,&quot;left&quot;:&quot;&quot;,&quot;isLinked&quot;:true},&quot;dropdown_border_radius_mobile&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;top&quot;:&quot;&quot;,&quot;right&quot;:&quot;&quot;,&quot;bottom&quot;:&quot;&quot;,&quot;left&quot;:&quot;&quot;,&quot;isLinked&quot;:true},&quot;width_dropdown_item&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:&quot;220&quot;,&quot;sizes&quot;:[]},&quot;width_dropdown_item_tablet&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]},&quot;width_dropdown_item_mobile&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]},&quot;padding_horizontal_dropdown_item&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]},&quot;padding_horizontal_dropdown_item_tablet&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]},&quot;padding_horizontal_dropdown_item_mobile&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]},&quot;padding_vertical_dropdown_item&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:15,&quot;sizes&quot;:[]},&quot;padding_vertical_dropdown_item_tablet&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]},&quot;padding_vertical_dropdown_item_mobile&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]},&quot;distance_from_menu&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]},&quot;distance_from_menu_tablet&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]},&quot;distance_from_menu_mobile&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]},&quot;toggle_size&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]},&quot;toggle_size_tablet&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]},&quot;toggle_size_mobile&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]},&quot;toggle_border_width&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]},&quot;toggle_border_width_tablet&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]},&quot;toggle_border_width_mobile&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]},&quot;toggle_border_radius&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]},&quot;toggle_border_radius_tablet&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]},&quot;toggle_border_radius_mobile&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]}}\" data-widget_type=\"navigation-menu.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t<div class=\"hfe-nav-menu hfe-layout-horizontal hfe-nav-menu-layout horizontal hfe-pointer__none\" data-layout=\"horizontal\">\n\t\t\t\t<div role=\"button\" class=\"hfe-nav-menu__toggle elementor-clickable\">\n\t\t\t\t\t<span class=\"screen-reader-text\">Menu<\/span>\n\t\t\t\t\t<div class=\"hfe-nav-menu-icon\">\n\t\t\t\t\t\t<i aria-hidden=\"true\"  class=\"fas fa-align-justify\"><\/i>\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<nav class=\"hfe-nav-menu__layout-horizontal hfe-nav-menu__submenu-arrow\" data-toggle-icon=\"&lt;i aria-hidden=&quot;true&quot; tabindex=&quot;0&quot; class=&quot;fas fa-align-justify&quot;&gt;&lt;\/i&gt;\" data-close-icon=\"&lt;i aria-hidden=&quot;true&quot; tabindex=&quot;0&quot; class=&quot;far fa-window-close&quot;&gt;&lt;\/i&gt;\" data-full-width=\"yes\">\n\t\t\t\t\t<ul id=\"menu-1-62693b3\" class=\"hfe-nav-menu\"><li id=\"menu-item-19026\" class=\"menu-item menu-item-type-post_type menu-item-object-page parent hfe-creative-menu\"><a href=\"https:\/\/www.nplindia.in\/index.php\/peoplecsir-npl\/\" class = \"hfe-menu-item\">People@CSIR-NPL<\/a><\/li>\n<li id=\"menu-item-37368\" class=\"menu-item menu-item-type-post_type menu-item-object-page parent hfe-creative-menu\"><a href=\"https:\/\/www.nplindia.in\/index.php\/tenders\/\" class = \"hfe-menu-item\">Tenders\/PIC<\/a><\/li>\n<li id=\"menu-item-9965\" class=\"menu-item menu-item-type-post_type menu-item-object-page parent hfe-creative-menu\"><a href=\"https:\/\/www.nplindia.in\/index.php\/rti-3\/\" class = \"hfe-menu-item\">RTI<\/a><\/li>\n<li id=\"menu-item-10034\" class=\"menu-item menu-item-type-post_type menu-item-object-page parent hfe-creative-menu\"><a href=\"https:\/\/www.nplindia.in\/index.php\/website-policies\/\" class = \"hfe-menu-item\">Website Policies<\/a><\/li>\n<li id=\"menu-item-22762\" class=\"menu-item menu-item-type-post_type menu-item-object-page parent hfe-creative-menu\"><a href=\"https:\/\/www.nplindia.in\/index.php\/cyber_jaagrookta\/\" class = \"hfe-menu-item\">Cyber Jaagrookta<\/a><\/li>\n<li id=\"menu-item-32283\" class=\"menu-item menu-item-type-custom menu-item-object-custom parent hfe-creative-menu\"><a target=\"_blank\"rel=\"noopener\" href=\"\/wp-content\/uploads\/2026\/02\/OM_LGC.pdf\" class = \"hfe-menu-item\">Local Grievance Committee<\/a><\/li>\n<li id=\"menu-item-32116\" class=\"menu-item menu-item-type-post_type menu-item-object-page parent hfe-creative-menu\"><a href=\"https:\/\/www.nplindia.in\/index.php\/academic-programs\/handling_of_sexual_harassment_complaints\/\" class = \"hfe-menu-item\">Handling of Sexual Harassment Complaints<\/a><\/li>\n<li id=\"menu-item-31758\" class=\"menu-item menu-item-type-post_type menu-item-object-page parent hfe-creative-menu\"><a href=\"https:\/\/www.nplindia.in\/index.php\/npl-club\/\" class = \"hfe-menu-item\">NPL Club<\/a><\/li>\n<li id=\"menu-item-30277\" class=\"menu-item menu-item-type-post_type menu-item-object-page parent hfe-creative-menu\"><a href=\"https:\/\/www.nplindia.in\/index.php\/about-us\/sitemap\/\" class = \"hfe-menu-item\">Sitemap<\/a><\/li>\n<li id=\"menu-item-40385\" class=\"menu-item menu-item-type-custom menu-item-object-custom parent hfe-creative-menu\"><a href=\"https:\/\/guesthouse.nplindia.in\/\" class = \"hfe-menu-item\">Guest House<\/a><\/li>\n<li id=\"menu-item-1070\" class=\"menu-item menu-item-type-post_type menu-item-object-page parent hfe-creative-menu\"><a href=\"https:\/\/www.nplindia.in\/index.php\/contact-us\/\" class = \"hfe-menu-item\">Contact us<\/a><\/li>\n<\/ul> \n\t\t\t\t<\/nav>\n\t\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"has_eae_slider has_ma_el_bg_slider elementor-section elementor-top-section elementor-element elementor-element-aa09cfc elementor-section-full_width elementor-section-height-default elementor-section-height-default jltma-glass-effect-no\" data-eae-slider=\"44904\" data-id=\"aa09cfc\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-no\">\n\t\t\t\t\t<div class=\"has_eae_slider has_ma_el_bg_slider elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-e7236c0 jltma-glass-effect-no\" data-eae-slider=\"99174\" data-id=\"e7236c0\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-3890fee jltma-glass-effect-no elementor-widget elementor-widget-copyright\" data-id=\"3890fee\" data-element_type=\"widget\" data-settings=\"{&quot;align&quot;:&quot;center&quot;}\" data-widget_type=\"copyright.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"hfe-copyright-wrapper\">\n\t\t\t\t\t\t\t<span>Copyright \u00a9 2026 NPL | Powered by NPL\n<br>\nAll Rights Reserved - The Official Website of CSIR-National Physical Laboratory, New Delhi, Government of India<br>\nSite Designed &amp; Managed by Knowledge Resource Centre <br>\nCSIR-NPL, New Delhi<br> India<\/span>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>Menu Home About us Our Director Glimpses of CSIR-NPL NPL Charter Vision &#038; Mission Organizational Structure Research Council Management Council Quality Policy Media Coverage Science &#038; Technology Physico-Mechanical Metrology Mass Metrology Length , Dimension &#038; Nano Metrology Temperature &#038; Humidity Metrology Optical Radiation Metrology Force &#038; Hardness Metrology Pressure, Vacuum [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":509,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"page-templates\/template-pagebuilder-blank.php","meta":{"_editorskit_title_hidden":false,"_editorskit_reading_time":0,"_editorskit_is_block_options_detached":false,"_editorskit_block_options_position":"{}","_eb_attr":"","footnotes":""},"class_list":["post-1322","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.nplindia.in\/index.php\/wp-json\/wp\/v2\/pages\/1322","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.nplindia.in\/index.php\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.nplindia.in\/index.php\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.nplindia.in\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.nplindia.in\/index.php\/wp-json\/wp\/v2\/comments?post=1322"}],"version-history":[{"count":106,"href":"https:\/\/www.nplindia.in\/index.php\/wp-json\/wp\/v2\/pages\/1322\/revisions"}],"predecessor-version":[{"id":40599,"href":"https:\/\/www.nplindia.in\/index.php\/wp-json\/wp\/v2\/pages\/1322\/revisions\/40599"}],"up":[{"embeddable":true,"href":"https:\/\/www.nplindia.in\/index.php\/wp-json\/wp\/v2\/pages\/509"}],"wp:attachment":[{"href":"https:\/\/www.nplindia.in\/index.php\/wp-json\/wp\/v2\/media?parent=1322"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}