{"id":2370,"date":"2023-05-17T11:35:08","date_gmt":"2023-05-17T03:35:08","guid":{"rendered":"https:\/\/sj-gauge.com\/?p=2370"},"modified":"2026-04-13T13:03:08","modified_gmt":"2026-04-13T05:03:08","slug":"bimetal-vs-gas-thermometers","status":"publish","type":"post","link":"https:\/\/www.sj-gauge.com\/vi\/bimetal-vs-gas-thermometers\/","title":{"rendered":"S\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa nhi\u1ec7t k\u1ebf bimetal v\u00e0 nhi\u1ec7t k\u1ebf gi\u00e3n n\u1edf kh\u00ed l\u00e0 g\u00ec?"},"content":{"rendered":"<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p>C\u00f3 nhi\u1ec1u lo\u1ea1i nhi\u1ec7t k\u1ebf c\u00f4ng nghi\u1ec7p. Trong s\u1ed1 \u0111\u00f3, c\u00e1c lo\u1ea1i ph\u1ed5 bi\u1ebfn nh\u1ea5t l\u00e0 nhi\u1ec7t k\u1ebf bimetallic v\u00e0 nhi\u1ec7t k\u1ebf gi\u00e3n n\u1edf kh\u00ed. Tuy nhi\u00ean, nhi\u1ec1u ng\u01b0\u1eddi th\u01b0\u1eddng nh\u1ea7m l\u1eabn v\u1ec1 \u01b0u nh\u01b0\u1ee3c \u0111i\u1ec3m gi\u1eefa c\u00e1c lo\u1ea1i nhi\u1ec7t k\u1ebf n\u00e0y. V\u1eady h\u00e3y c\u00f9ng t\u00ecm hi\u1ec3u s\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa c\u00e1c lo\u1ea1i nhi\u1ec7t k\u1ebf n\u00e0y.<\/p>\n<\/blockquote>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full is-resized\"><img fetchpriority=\"high\" decoding=\"async\" width=\"677\" height=\"532\" src=\"https:\/\/sj-gauge.com\/wp-content\/uploads\/2025\/12\/01_SJ_bimetal_thermometer_gas-actuated_thermometer.png\" alt=\"\" class=\"wp-image-2371\" style=\"width:500px\" srcset=\"https:\/\/www.sj-gauge.com\/wp-content\/uploads\/2025\/12\/01_SJ_bimetal_thermometer_gas-actuated_thermometer.png 677w, https:\/\/www.sj-gauge.com\/wp-content\/uploads\/2025\/12\/01_SJ_bimetal_thermometer_gas-actuated_thermometer-300x236.png 300w, https:\/\/www.sj-gauge.com\/wp-content\/uploads\/2025\/12\/01_SJ_bimetal_thermometer_gas-actuated_thermometer-600x471.png 600w\" sizes=\"(max-width: 677px) 100vw, 677px\" \/><\/figure>\n\n\n\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_82_2 counter-hierarchy ez-toc-counter ez-toc-custom ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">M\u1ee5c l\u1ee5c<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"B\u1eadt\/t\u1eaft M\u1ee5c l\u1ee5c\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">B\u1eadt\/T\u1eaft<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #7b1e1c;color:#7b1e1c\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #7b1e1c;color:#7b1e1c\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewbox=\"0 0 24 24\" version=\"1.2\" baseprofile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/www.sj-gauge.com\/vi\/bimetal-vs-gas-thermometers\/#1-bimetal-thermometer\" >1. Nhi\u1ec7t k\u1ebf hai kim lo\u1ea1i<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/www.sj-gauge.com\/vi\/bimetal-vs-gas-thermometers\/#2-gas-expansion-thermometer\" >2. Nhi\u1ec7t k\u1ebf gi\u00e3n n\u1edf kh\u00ed<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.sj-gauge.com\/vi\/bimetal-vs-gas-thermometers\/#4-still-unclear-click-the-video-below-or-contact-us\" >4. V\u1eabn ch\u01b0a r\u00f5? H\u00e3y nh\u1ea5p v\u00e0o video b\u00ean d\u01b0\u1edbi ho\u1eb7c li\u00ean h\u1ec7 v\u1edbi ch\u00fang t\u00f4i!<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/www.sj-gauge.com\/vi\/bimetal-vs-gas-thermometers\/#5-summary\" >5. T\u00f3m t\u1eaft<\/a><\/li><\/ul><\/nav><\/div>\n<h2 class=\"wp-block-heading has-palette-color-2-color has-text-color has-link-color wp-elements-c604247272d09666d64761a6c69e3620\"><span class=\"ez-toc-section\" id=\"1-bimetal-thermometer\"><\/span>1. Nhi\u1ec7t k\u1ebf hai kim lo\u1ea1i<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Thermometers bimetal \u0111\u01b0\u1ee3c l\u00e0m t\u1eeb hai lo\u1ea1i kim lo\u1ea1i kh\u00e1c nhau \u0111\u01b0\u1ee3c g\u1eafn k\u1ebft v\u1edbi nhau. M\u1ed7i lo\u1ea1i kim lo\u1ea1i gi\u00e3n n\u1edf v\u1edbi t\u1ed1c \u0111\u1ed9 kh\u00e1c nhau khi \u0111\u01b0\u1ee3c l\u00e0m n\u00f3ng, v\u00e0 b\u1eb1ng c\u00e1ch \u0111o s\u1ef1 kh\u00e1c bi\u1ec7t n\u00e0y, ch\u00fang ta c\u00f3 th\u1ec3 \u0111o nhi\u1ec7t \u0111\u1ed9. Th\u00f4ng th\u01b0\u1eddng, c\u00e1c t\u1ea5m kim lo\u1ea1i \u0111\u01b0\u1ee3c cu\u1ed9n th\u00e0nh m\u1ed9t cu\u1ed9n, v\u1edbi \u0111\u1ea7u t\u1ef1 do \u0111\u01b0\u1ee3c k\u1ebft n\u1ed1i v\u1edbi tr\u1ee5c kim ch\u1ec9 v\u00e0 \u0111\u1ea7u c\u1ed1 \u0111\u1ecbnh l\u00e0 n\u01a1i nhi\u1ec7t k\u1ebf s\u1ebd \u0111\u01b0\u1ee3c g\u1eafn v\u00e0o. Khi nhi\u1ec7t \u0111\u1ed9 t\u0103ng, kim lo\u1ea1i \u1edf \u0111\u1ea7u t\u1ef1 do s\u1ebd xoay theo m\u1ed9t h\u01b0\u1edbng, v\u00e0 khi nhi\u1ec7t \u0111\u1ed9 gi\u1ea3m, n\u00f3 s\u1ebd xoay theo h\u01b0\u1edbng ng\u01b0\u1ee3c l\u1ea1i. Khi cu\u1ed9n kim lo\u1ea1i u\u1ed1n cong, \u0111\u1ea7u t\u1ef1 do s\u1ebd \u0111i\u1ec1u khi\u1ec3n kim ch\u1ec9.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full is-resized\"><img decoding=\"async\" width=\"736\" height=\"515\" src=\"https:\/\/sj-gauge.com\/wp-content\/uploads\/2025\/12\/02_SJ_bimetal_thermometer_temperature.png\" alt=\"\" class=\"wp-image-2372\" style=\"width:500px\" srcset=\"https:\/\/www.sj-gauge.com\/wp-content\/uploads\/2025\/12\/02_SJ_bimetal_thermometer_temperature.png 736w, https:\/\/www.sj-gauge.com\/wp-content\/uploads\/2025\/12\/02_SJ_bimetal_thermometer_temperature-300x210.png 300w, https:\/\/www.sj-gauge.com\/wp-content\/uploads\/2025\/12\/02_SJ_bimetal_thermometer_temperature-600x420.png 600w\" sizes=\"(max-width: 736px) 100vw, 736px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large is-resized\"><img decoding=\"async\" width=\"1024\" height=\"724\" src=\"https:\/\/sj-gauge.com\/wp-content\/uploads\/2025\/12\/\u6280\u8853\u7814\u8a0e\u96d9\u91d1\u5c6cEN-1024x724.jpg\" alt=\"\" class=\"wp-image-2374\" style=\"width:500px\" srcset=\"https:\/\/www.sj-gauge.com\/wp-content\/uploads\/2025\/12\/\u6280\u8853\u7814\u8a0e\u96d9\u91d1\u5c6cEN-1024x724.jpg 1024w, https:\/\/www.sj-gauge.com\/wp-content\/uploads\/2025\/12\/\u6280\u8853\u7814\u8a0e\u96d9\u91d1\u5c6cEN-300x212.jpg 300w, https:\/\/www.sj-gauge.com\/wp-content\/uploads\/2025\/12\/\u6280\u8853\u7814\u8a0e\u96d9\u91d1\u5c6cEN-768x543.jpg 768w, https:\/\/www.sj-gauge.com\/wp-content\/uploads\/2025\/12\/\u6280\u8853\u7814\u8a0e\u96d9\u91d1\u5c6cEN-1536x1086.jpg 1536w, https:\/\/www.sj-gauge.com\/wp-content\/uploads\/2025\/12\/\u6280\u8853\u7814\u8a0e\u96d9\u91d1\u5c6cEN-2048x1448.jpg 2048w, https:\/\/www.sj-gauge.com\/wp-content\/uploads\/2025\/12\/\u6280\u8853\u7814\u8a0e\u96d9\u91d1\u5c6cEN-600x424.jpg 600w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">\u01afu \u0111i\u1ec3m<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Hi\u1ec7u qu\u1ea3 v\u1ec1 chi ph\u00ed, c\u1ea5u tr\u00fac \u0111\u01a1n gi\u1ea3n<\/li>\n\n\n\n<li>K\u1ebft qu\u1ea3 kh\u00f4ng b\u1ecb \u1ea3nh h\u01b0\u1edfng b\u1edfi nhi\u1ec7t \u0111\u1ed9 m\u00f4i tr\u01b0\u1eddng.<\/li>\n\n\n\n<li>D\u1ea3i nhi\u1ec7t \u0111\u1ed9 r\u1ed9ng t\u1eeb -70\u00b0C \u0111\u1ebfn 600\u00b0C<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Nh\u01b0\u1ee3c \u0111i\u1ec3m<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Th\u1eddi gian ph\u1ea3n h\u1ed3i l\u00e2u h\u01a1n<\/li>\n\n\n\n<li>Ng\u01b0\u1eddi quan s\u00e1t ph\u1ea3i \u1edf g\u1ea7n \u0111i\u1ec3m \u0111o, kh\u00f4ng \u0111\u01b0\u1ee3c \u1edf n\u01a1i kh\u00e1c.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading has-palette-color-2-color has-text-color has-link-color wp-elements-6b97a7357a3448e9a73d5f2ef5f18a80\"><span class=\"ez-toc-section\" id=\"2-gas-expansion-thermometer\"><\/span>2. Nhi\u1ec7t k\u1ebf gi\u00e3n n\u1edf kh\u00ed<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Thermometers \u0111o nhi\u1ec7t \u0111\u1ed9 b\u1eb1ng nguy\u00ean l\u00fd gi\u00e3n n\u1edf kh\u00ed, c\u00f2n \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 thermometers ho\u1ea1t \u0111\u1ed9ng b\u1eb1ng kh\u00ed, s\u1eed d\u1ee5ng nguy\u00ean l\u00fd gi\u00e3n n\u1edf c\u1ee7a kh\u00ed \u0111\u1ec3 \u0111o nhi\u1ec7t \u0111\u1ed9. Helium (He) th\u01b0\u1eddng \u0111\u01b0\u1ee3c khuy\u1ebfn ngh\u1ecb s\u1eed d\u1ee5ng. Khi nhi\u1ec7t \u0111\u1ed9 t\u0103ng, kh\u00ed trong thermometer s\u1ebd gi\u00e3n n\u1edf, l\u00e0m thay \u0111\u1ed5i \u00e1p su\u1ea5t trong \u1ed1ng. \u00c1p su\u1ea5t n\u00e0y s\u1ebd \u0111\u1ea9y kim ch\u1ec9 th\u1ecb.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"687\" height=\"487\" src=\"https:\/\/sj-gauge.com\/wp-content\/uploads\/2025\/12\/04_SJ_gas-actuated_thermometer.png\" alt=\"\" class=\"wp-image-2375\" style=\"width:500px\" srcset=\"https:\/\/www.sj-gauge.com\/wp-content\/uploads\/2025\/12\/04_SJ_gas-actuated_thermometer.png 687w, https:\/\/www.sj-gauge.com\/wp-content\/uploads\/2025\/12\/04_SJ_gas-actuated_thermometer-300x213.png 300w, https:\/\/www.sj-gauge.com\/wp-content\/uploads\/2025\/12\/04_SJ_gas-actuated_thermometer-600x425.png 600w\" sizes=\"(max-width: 687px) 100vw, 687px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">\u01afu \u0111i\u1ec3m<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Tr\u00ec ho\u00e3n ng\u1eafn<\/li>\n\n\n\n<li>D\u1ea3i nhi\u1ec7t \u0111\u1ed9 r\u1ed9ng t\u1eeb -200\u00b0C \u0111\u1ebfn 700\u00b0C<\/li>\n\n\n\n<li>Ng\u01b0\u1eddi quan s\u00e1t c\u00f3 th\u1ec3 c\u00e1ch xa \u0111i\u1ec3m \u0111o l\u01b0\u1eddng th\u00f4ng qua \u1ed1ng mao d\u1eabn (60m) (\u0111o t\u1ea1i \u0111i\u1ec3m A, quan s\u00e1t t\u1ea1i \u0111i\u1ec3m B)<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Nh\u01b0\u1ee3c \u0111i\u1ec3m<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Gi\u00e1 cao h\u01a1n do c\u1ea5u tr\u00fac ph\u1ee9c t\u1ea1p h\u01a1n khi s\u1eed d\u1ee5ng kh\u00ed \u0111\u1ed1t.<\/li>\n\n\n\n<li>K\u1ebft qu\u1ea3 s\u1ebd b\u1ecb \u1ea3nh h\u01b0\u1edfng b\u1edfi nhi\u1ec7t \u0111\u1ed9 m\u00f4i tr\u01b0\u1eddng.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading has-palette-color-2-color has-text-color has-link-color wp-elements-131167d48f235b96b167df9fcc881398\">3. B\u1ea3ng so s\u00e1nh nhi\u1ec7t k\u1ebf (D\u1ec5 nh\u00ecn ngay t\u1eeb c\u00e1i nh\u00ecn \u0111\u1ea7u ti\u00ean)<\/h3>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td><\/td><td>Thermometer hai kim lo\u1ea1i<\/td><td>Thermometer \u0111o s\u1ef1 gi\u00e3n n\u1edf c\u1ee7a kh\u00ed<br>(Thermometer ho\u1ea1t \u0111\u1ed9ng b\u1eb1ng kh\u00ed)<\/td><\/tr><tr><td>Gi\u1edbi h\u1ea1n ph\u1ea1m vi nhi\u1ec7t \u0111\u1ed9<\/td><td>-70\u00b0C ~ 600\u00b0C<\/td><td>-200\u00b0C ~ 700\u00b0C<\/td><\/tr><tr><td>Nhi\u1ec7t \u0111\u1ed9 m\u00f4i tr\u01b0\u1eddng<\/td><td>Kh\u00f4ng c\u00f3 t\u00e1c d\u1ee5ng<\/td><td>B\u1ecb \u1ea3nh h\u01b0\u1edfng<\/td><\/tr><tr><td>Th\u1eddi gian ph\u1ea3n h\u1ed3i<\/td><td>Ch\u1eadm<\/td><td>Nhanh<\/td><\/tr><tr><td>Kho\u1ea3ng c\u00e1ch \u0111o l\u01b0\u1eddng<\/td><td>\u0110o l\u01b0\u1eddng ch\u1ec9 c\u00f3 th\u1ec3 th\u1ef1c hi\u1ec7n t\u1ea1i \u0111i\u1ec3m \u0111o l\u01b0\u1eddng.<\/td><td>Cho ph\u00e9p \u0111o nhi\u1ec7t \u0111\u1ed9 t\u1eeb xa (qua \u1ed1ng mao d\u1eabn)<\/td><\/tr><tr><td>Gi\u00e1<\/td><td>R\u1ebb h\u01a1n<\/td><td>Cao h\u01a1n<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 class=\"wp-block-heading has-palette-color-2-color has-text-color has-link-color wp-elements-ecbcb6d74eb0aa55ecc7e2e2dc6ad5d4\"><span class=\"ez-toc-section\" id=\"4-still-unclear-click-the-video-below-or-contact-us\"><\/span>4. V\u1eabn ch\u01b0a r\u00f5? H\u00e3y nh\u1ea5p v\u00e0o video b\u00ean d\u01b0\u1edbi ho\u1eb7c li\u00ean h\u1ec7 v\u1edbi ch\u00fang t\u00f4i!<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<figure class=\"wp-block-embed is-type-video is-provider-youtube wp-block-embed-youtube wp-embed-aspect-16-9 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<iframe title=\"Thermometers bimetal so v\u1edbi thermometers ho\u1ea1t \u0111\u1ed9ng b\u1eb1ng kh\u00ed | S\u1ef1 kh\u00e1c bi\u1ec7t l\u00e0 g\u00ec?\" width=\"1290\" height=\"726\" src=\"https:\/\/www.youtube.com\/embed\/Vjse8sS800w?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe>\n<\/div><\/figure>\n\n\n\n<h2 class=\"wp-block-heading has-palette-color-2-color has-text-color has-link-color wp-elements-0e231f6638aadc7e770ab21f9a7db460\"><span class=\"ez-toc-section\" id=\"5-summary\"><\/span>5. T\u00f3m t\u1eaft<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>M\u1ed7i lo\u1ea1i nhi\u1ec7t k\u1ebf c\u00f3 nh\u1eefng \u0111\u1eb7c \u0111i\u1ec3m ri\u00eang bi\u1ec7t \u2014 m\u1ed7i lo\u1ea1i \u0111\u1ec1u c\u00f3 \u01b0u v\u00e0 nh\u01b0\u1ee3c \u0111i\u1ec3m. Ch\u00fang t\u00f4i gi\u00fap kh\u00e1ch h\u00e0ng tr\u1ea3 l\u1eddi c\u00e2u h\u1ecfi quan tr\u1ecdng: Lo\u1ea1i n\u00e0o ph\u00f9 h\u1ee3p h\u01a1n v\u1edbi nhu c\u1ea7u c\u1ee7a b\u1ea1n? N\u1ebfu b\u1ea1n quan t\u00e2m \u0111\u1ebfn c\u00e1c ch\u1ee7 \u0111\u1ec1 li\u00ean quan \u0111\u1ebfn nhi\u1ec7t \u0111\u1ed9 ho\u1eb7c nhi\u1ec7t k\u1ebf, h\u00e3y nh\u1ea5p v\u00e0o \"\u0110\u1ecdc th\u00eam\".<\/p>","protected":false},"excerpt":{"rendered":"<p>C\u00f3 nhi\u1ec1u lo\u1ea1i nhi\u1ec7t k\u1ebf c\u00f4ng nghi\u1ec7p. Trong s\u1ed1 \u0111\u00f3, c\u00e1c lo\u1ea1i ph\u1ed5 bi\u1ebfn nh\u1ea5t l\u00e0 nhi\u1ec7t k\u1ebf bimetal v\u00e0 nhi\u1ec7t k\u1ebf gi\u00e3n n\u1edf kh\u00ed. Tuy nhi\u00ean, nhi\u1ec1u ng\u01b0\u1eddi th\u01b0\u1eddng nh\u1ea7m l\u1eabn v\u1ec1 \u01b0u nh\u01b0\u1ee3c \u0111i\u1ec3m gi\u1eefa c\u00e1c lo\u1ea1i nhi\u1ec7t k\u1ebf n\u00e0y. V\u1eady h\u00e3y c\u00f9ng t\u00ecm hi\u1ec3u s\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa ch\u00fang. 1. Nhi\u1ec7t k\u1ebf bimetal Nhi\u1ec7t k\u1ebf bimetal \u0111\u01b0\u1ee3c l\u00e0m t\u1eeb hai lo\u1ea1i kim lo\u1ea1i kh\u00e1c nhau \u0111\u01b0\u1ee3c g\u1eafn k\u1ebft [\u2026]<\/p>","protected":false},"author":2,"featured_media":2376,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[61],"tags":[72],"class_list":["post-2370","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-knowledge","tag-temperature"],"blocksy_meta":[],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v26.7 (Yoast SEO v27.4) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>The Difference Between Bimetal and Gas Expansion Thermometers? - SJ Gauge | Pressure Gauges, Thermometers &amp; Pressure Sensors<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.sj-gauge.com\/vi\/bimetal-vs-gas-thermometers\/\" \/>\n<meta property=\"og:locale\" content=\"vi_VN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"The Difference Between Bimetal and Gas Expansion Thermometers?\" \/>\n<meta property=\"og:description\" content=\"There are many types of industrial thermometers. Among them, the common types are bimetallic and gas expansion thermometers. However, some people are often confused about the advantages and disadvantages between these thermometers. So let&#8217;s look at the differences between these thermometers. 1. 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