{"id":6112,"date":"2026-10-19T09:00:00","date_gmt":"2026-10-19T01:00:00","guid":{"rendered":"https:\/\/www.sj-gauge.com\/?p=6112"},"modified":"2026-10-19T19:27:01","modified_gmt":"2026-10-19T11:27:01","slug":"industrial-thermometer-insertion-length","status":"publish","type":"post","link":"https:\/\/www.sj-gauge.com\/vi\/industrial-thermometer-insertion-length\/","title":{"rendered":"\u0110\u1ed9 s\u00e2u c\u1eafm nhi\u1ec7t k\u1ebf: Th\u00e2n nhi\u1ec7t k\u1ebf n\u00ean d\u00e0i bao nhi\u00eau?"},"content":{"rendered":"<p>C\u1ea7n c\u1eafm th\u00e2n nhi\u1ec7t k\u1ebf c\u00f4ng nghi\u1ec7p s\u00e2u bao nhi\u00eau? Kh\u00f4ng c\u00f3 m\u1ed9t chi\u1ec1u d\u00e0i c\u1ed1 \u0111\u1ecbnh n\u00e0o ph\u00f9 h\u1ee3p v\u1edbi m\u1ecdi lo\u1ea1i \u0111\u01b0\u1eddng \u1ed1ng ho\u1eb7c b\u00ecnh ch\u1ee9a. Ph\u1ea7n c\u1ea3m bi\u1ebfn ho\u1ea1t \u0111\u1ed9ng ph\u1ea3i ch\u1ea1m \u0111\u1ebfn m\u1ed9t ph\u1ea7n \u0111\u1ea1i di\u1ec7n c\u1ee7a m\u00f4i ch\u1ea5t, trong khi th\u00e2n ho\u1eb7c \u1ed1ng b\u1ea3o v\u1ec7 nhi\u1ec7t k\u1ebf ph\u1ea3i ch\u1ecbu \u0111\u01b0\u1ee3c c\u00e1c \u0111i\u1ec1u ki\u1ec7n c\u1ee7a qu\u00e1 tr\u00ecnh.<\/p>\n\n\n\n<p>Qu\u00e1 \u00edt \u0111\u1ed9 xo\u1eafn immersion cho ph\u00e9p th\u00e0nh \u1ed1ng v\u00e0 m\u00f4i tr\u01b0\u1eddng xung quanh \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn k\u1ebft qu\u1ea3 \u0111o. Chi\u1ec1u d\u00e0i kh\u00f4ng \u0111\u01b0\u1ee3c h\u1ed7 tr\u1ee3 qu\u00e1 m\u1ee9c c\u00f3 th\u1ec3 l\u00e0m t\u0103ng l\u1ef1c ch\u1ea5t l\u1ecfng, \u0111\u1ed9 rung v\u00e0 t\u1ea3i tr\u1ecdng u\u1ed1n. Do \u0111\u00f3, th\u00e2n \u1ed1ng d\u00e0i h\u01a1n kh\u00f4ng t\u1ef1 \u0111\u1ed9ng cho k\u1ebft qu\u1ea3 \u0111o t\u1ed1t h\u01a1n.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter\" style=\"width:640px;max-width:100%;margin:32px auto\"><img fetchpriority=\"high\" decoding=\"async\" width=\"1087\" height=\"1447\" src=\"https:\/\/www.sj-gauge.com\/wp-content\/uploads\/2026\/10\/sj-temperature-insertion-insulated-pipe.png\" alt=\"Temperature sensing assembly entering an insulated industrial pipe\" class=\"wp-image-6107\" sizes=\"(max-width: 640px) 100vw, 640px\" loading=\"eager\" style=\"display:block;width:100%;height:auto;aspect-ratio:3\/2;object-fit:cover;object-position:center 42%\" srcset=\"https:\/\/www.sj-gauge.com\/wp-content\/uploads\/2026\/10\/sj-temperature-insertion-insulated-pipe.png 1087w, https:\/\/www.sj-gauge.com\/wp-content\/uploads\/2026\/10\/sj-temperature-insertion-insulated-pipe-225x300.png 225w, https:\/\/www.sj-gauge.com\/wp-content\/uploads\/2026\/10\/sj-temperature-insertion-insulated-pipe-769x1024.png 769w, https:\/\/www.sj-gauge.com\/wp-content\/uploads\/2026\/10\/sj-temperature-insertion-insulated-pipe-768x1022.png 768w, https:\/\/www.sj-gauge.com\/wp-content\/uploads\/2026\/10\/sj-temperature-insertion-insulated-pipe-9x12.png 9w, https:\/\/www.sj-gauge.com\/wp-content\/uploads\/2026\/10\/sj-temperature-insertion-insulated-pipe-300x399.png 300w, https:\/\/www.sj-gauge.com\/wp-content\/uploads\/2026\/10\/sj-temperature-insertion-insulated-pipe-600x799.png 600w\" \/><figcaption class=\"wp-element-caption\" style=\"text-align:center\">H\u00ecnh 1 | M\u1ed9t c\u1ee5m c\u1ea3m bi\u1ebfn nhi\u1ec7t \u0111\u1ed9 \u0111\u00e3 \u0111\u01b0\u1ee3c l\u1eafp \u0111\u1eb7t cho th\u1ea5y k\u1ebft n\u1ed1i v\u00e0 l\u1edbp c\u00e1ch \u0111i\u1ec7n b\u00ean ngo\u00e0i. H\u00ecnh \u1ea3nh kh\u00f4ng th\u1ec3 hi\u1ec7n chi\u1ec1u s\u00e2u b\u00ean trong c\u1ee7a immersion. T\u00ean th\u01b0\u01a1ng hi\u1ec7u \u0111\u00e3 \u0111\u01b0\u1ee3c x\u00f3a b\u1ecf.<\/figcaption><\/figure>\n\n\n\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_88 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\/industrial-thermometer-insertion-length\/#distinguish-stem-length-from-effective-immersion\" >Ph\u00e2n bi\u1ec7t chi\u1ec1u d\u00e0i th\u00e2n v\u1edbi \u0111\u1ed9 xo\u1eafn hi\u1ec7u qu\u1ea3 Immersion<\/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\/industrial-thermometer-insertion-length\/#what-happens-when-immersion-is-too-shallow\" >\u0110i\u1ec1u g\u00ec x\u1ea3y ra khi \u0111\u1ed9 s\u00e2u tr\u01b0\u1eddng \u1ea3nh I1TP8 qu\u00e1 n\u00f4ng?<\/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\/industrial-thermometer-insertion-length\/#can-a-stem-be-inserted-too-deeply\" >Li\u1ec7u c\u00f3 th\u1ec3 c\u1eafm cu\u1ed1ng qu\u00e1 s\u00e2u kh\u00f4ng?<\/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\/industrial-thermometer-insertion-length\/#match-the-thermometer-and-thermowell-dimensions\" >H\u00e3y \u0111\u1ea3m b\u1ea3o k\u00edch th\u01b0\u1edbc nhi\u1ec7t k\u1ebf v\u00e0 \u1ed1ng b\u1ea3o v\u1ec7 nhi\u1ec7t k\u1ebf kh\u1edbp nhau.<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/www.sj-gauge.com\/vi\/industrial-thermometer-insertion-length\/#what-information-is-needed-to-choose-the-length\" >C\u1ea7n nh\u1eefng th\u00f4ng tin g\u00ec \u0111\u1ec3 l\u1ef1a ch\u1ecdn \u0111\u1ed9 d\u00e0i?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/www.sj-gauge.com\/vi\/industrial-thermometer-insertion-length\/#international-standards-for-installation-and-review\" >Ti\u00eau chu\u1ea9n qu\u1ed1c t\u1ebf v\u1ec1 l\u1eafp \u0111\u1eb7t v\u00e0 ki\u1ec3m tra<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/www.sj-gauge.com\/vi\/industrial-thermometer-insertion-length\/#frequently-asked-questions\" >C\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/www.sj-gauge.com\/vi\/industrial-thermometer-insertion-length\/#confirm-the-installation-drawing-before-ordering\" >Vui l\u00f2ng x\u00e1c nh\u1eadn b\u1ea3n v\u1ebd l\u1eafp \u0111\u1eb7t tr\u01b0\u1edbc khi \u0111\u1eb7t h\u00e0ng.<\/a><\/li><\/ul><\/nav><\/div>\n<h2 class=\"wp-block-heading\" id=\"h-distinguish-stem-length-from-effective-immersion\"><span class=\"ez-toc-section\" id=\"distinguish-stem-length-from-effective-immersion\"><\/span>Ph\u00e2n bi\u1ec7t chi\u1ec1u d\u00e0i th\u00e2n v\u1edbi \u0111\u1ed9 xo\u1eafn hi\u1ec7u qu\u1ea3 Immersion<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Ki\u1ec3m tra \u0111i\u1ec3m tham chi\u1ebfu \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng tr\u00ean b\u1ea3n v\u1ebd c\u1ee7a nh\u00e0 s\u1ea3n xu\u1ea5t. Chi\u1ec1u d\u00e0i t\u1ed5ng th\u1ec3 c\u1ee7a th\u00e2n van, chi\u1ec1u d\u00e0i b\u00ean d\u01b0\u1edbi \u0111i\u1ec3m k\u1ebft n\u1ed1i v\u00e0 chi\u1ec1u d\u00e0i th\u1ef1c t\u1ebf b\u00ean trong \u1ed1ng l\u00e0 c\u00e1c k\u00edch th\u01b0\u1edbc kh\u00e1c nhau. Ph\u1ea7n c\u1ea3m bi\u1ebfn ch\u1ee7 \u0111\u1ed9ng l\u00e0 m\u1ed9t th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt kh\u00e1c v\u00e0 c\u00f3 th\u1ec3 chi\u1ebfm nhi\u1ec1u h\u01a1n ch\u1ec9 ph\u1ea7n \u0111\u1ea7u van.<\/p>\n\n\n\n<p>V\u00f2i phun, kh\u1edbp n\u1ed1i v\u00e0 l\u1edbp c\u00e1ch nhi\u1ec7t \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn h\u00ecnh d\u1ea1ng l\u1eafp \u0111\u1eb7t. X\u00e1c \u0111\u1ecbnh xem bao nhi\u00eau ph\u1ea7n chi\u1ec1u d\u00e0i quy \u0111\u1ecbnh n\u1eb1m ngo\u00e0i m\u00f4i ch\u1ea5t d\u00f2ng ch\u1ea3y, s\u1eed d\u1ee5ng m\u1ed9t \u0111i\u1ec3m tham chi\u1ebfu nh\u1ea5t qu\u00e1n. Kh\u00f4ng t\u1ef1 \u0111\u1ed9ng tr\u1eeb \u0111i \u0111\u1ed9 d\u00e0y l\u1edbp c\u00e1ch nhi\u1ec7t n\u1ebfu k\u00edch th\u01b0\u1edbc l\u1eafp \u0111\u1eb7t tr\u00ean b\u1ea3n v\u1ebd \u0111\u00e3 lo\u1ea1i tr\u1eeb ph\u1ea7n b\u00ean ngo\u00e0i \u0111\u00f3.<\/p>\n\n\n\n<p>Khi \u0111\u1eb7t h\u00e0ng <a href=\"https:\/\/www.sj-gauge.com\/vi\/product\/mtb-s-ba\/\">Nhi\u1ec7t k\u1ebf l\u01b0\u1ee1ng kim \u0111i\u1ec1u ch\u1ec9nh g\u00f3c MTB.S_BA<\/a>, X\u00e1c nh\u1eadn chi\u1ec1u d\u00e0i th\u00e2n, chi\u1ec1u d\u00e0i c\u1ea3m bi\u1ebfn ch\u1ee7 \u0111\u1ed9ng v\u00e0 k\u1ebft n\u1ed1i quy tr\u00ecnh c\u00f9ng nhau. \u0110i\u1ec1u ch\u1ec9nh g\u00f3c quay gi\u00fap c\u1ea3i thi\u1ec7n kh\u1ea3 n\u0103ng \u0111\u1ecdc; n\u00f3 kh\u00f4ng l\u00e0m thay \u0111\u1ed5i \u0111\u1ed9 s\u00e2u m\u00e0 ph\u1ea7n c\u1ea3m bi\u1ebfn \u0111i v\u00e0o m\u00f4i tr\u01b0\u1eddng.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-what-happens-when-immersion-is-too-shallow\"><span class=\"ez-toc-section\" id=\"what-happens-when-immersion-is-too-shallow\"><\/span>\u0110i\u1ec1u g\u00ec x\u1ea3y ra khi \u0111\u1ed9 s\u00e2u tr\u01b0\u1eddng \u1ea3nh I1TP8 qu\u00e1 n\u00f4ng?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>B\u1ed9 ph\u1eadn c\u1ea3m bi\u1ebfn ch\u1ee7 \u0111\u1ed9ng c\u00f3 th\u1ec3 n\u1eb1m trong v\u00f2i phun ho\u1eb7c g\u1ea7n v\u00f9ng l\u01b0u l\u01b0\u1ee3ng th\u1ea5p thay v\u00ec d\u00f2ng ch\u1ea3y ch\u00ednh.<\/li>\n\n\n\n<li>S\u1ef1 d\u1eabn nhi\u1ec7t d\u1ecdc theo th\u00e2n v\u00e0 th\u00e0nh \u1ed1ng c\u00f3 th\u1ec3 l\u00e0m cho ch\u1ec9 s\u1ed1 \u0111o nghi\u00eang v\u1ec1 ph\u00eda nhi\u1ec7t \u0111\u1ed9 m\u00f4i tr\u01b0\u1eddng xung quanh. Khi \u0111\u00f3, m\u1ed9t qu\u00e1 tr\u00ecnh n\u00f3ng trong m\u00f4i tr\u01b0\u1eddng l\u1ea1nh h\u01a1n c\u00f3 th\u1ec3 cho k\u1ebft qu\u1ea3 \u0111o th\u1ea5p h\u01a1n th\u1ef1c t\u1ebf.<\/li>\n\n\n\n<li>M\u1ed9t b\u1ed9 ph\u1eadn c\u1ea3m bi\u1ebfn \u0111\u01b0\u1ee3c gh\u00e9p n\u1ed1i k\u00e9m c\u00f3 th\u1ec3 ph\u1ea3n \u1ee9ng kh\u00e1c nhau v\u1edbi s\u1ef1 thay \u0111\u1ed5i nhi\u1ec7t \u0111\u1ed9, khi\u1ebfn cho xu h\u01b0\u1edbng c\u1ee7a qu\u00e1 tr\u00ecnh tr\u1edf n\u00ean kh\u00f3 di\u1ec5n gi\u1ea3i h\u01a1n.<\/li>\n<\/ul>\n\n\n\n<p>Vi\u1ec7c t\u0103ng immersion c\u00f3 th\u1ec3 gi\u1ea3m thi\u1ec3u m\u1ed9t s\u1ed1 l\u1ed7i c\u00e0i \u0111\u1eb7t, nh\u01b0ng tr\u01b0\u1edbc ti\u00ean h\u00e3y ki\u1ec3m tra xem to\u00e0n b\u1ed9 chi\u1ec1u d\u00e0i c\u1ea3m bi\u1ebfn c\u1ea7n thi\u1ebft \u0111\u00e3 \u0111\u01b0\u1ee3c \u0111\u1ecbnh v\u1ecb \u0111\u00fang c\u00e1ch ch\u01b0a. \u0110\u1ec3 ki\u1ec3m tra c\u00e0i \u0111\u1eb7t to\u00e0n di\u1ec7n h\u01a1n, h\u00e3y xem <a href=\"https:\/\/www.sj-gauge.com\/vi\/industrial-thermometer-inaccurate-reading\/\">K\u1ebft qu\u1ea3 \u0111o nhi\u1ec7t k\u1ebf c\u00f4ng nghi\u1ec7p kh\u00f4ng ch\u00ednh x\u00e1c: Ki\u1ec3m tra l\u1ea1i qu\u00e1 tr\u00ecnh l\u1eafp \u0111\u1eb7t.<\/a><\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter\" style=\"width:640px;max-width:100%;margin:32px auto\"><img loading=\"lazy\" decoding=\"async\" width=\"1087\" height=\"1446\" src=\"https:\/\/www.sj-gauge.com\/wp-content\/uploads\/2026\/10\/sj-thermometer-stem-connection-detail.png\" alt=\"Dial thermometer showing the threaded process connection and sensing stem\" class=\"wp-image-6108\" sizes=\"auto, (max-width: 640px) 100vw, 640px\" style=\"display:block;width:100%;height:auto;aspect-ratio:3\/2;object-fit:cover;object-position:center 78%\" srcset=\"https:\/\/www.sj-gauge.com\/wp-content\/uploads\/2026\/10\/sj-thermometer-stem-connection-detail.png 1087w, https:\/\/www.sj-gauge.com\/wp-content\/uploads\/2026\/10\/sj-thermometer-stem-connection-detail-226x300.png 226w, https:\/\/www.sj-gauge.com\/wp-content\/uploads\/2026\/10\/sj-thermometer-stem-connection-detail-770x1024.png 770w, https:\/\/www.sj-gauge.com\/wp-content\/uploads\/2026\/10\/sj-thermometer-stem-connection-detail-768x1022.png 768w, https:\/\/www.sj-gauge.com\/wp-content\/uploads\/2026\/10\/sj-thermometer-stem-connection-detail-9x12.png 9w, https:\/\/www.sj-gauge.com\/wp-content\/uploads\/2026\/10\/sj-thermometer-stem-connection-detail-300x399.png 300w, https:\/\/www.sj-gauge.com\/wp-content\/uploads\/2026\/10\/sj-thermometer-stem-connection-detail-600x798.png 600w\" \/><figcaption class=\"wp-element-caption\" style=\"text-align:center\">H\u00ecnh 2 | Ph\u1ea7n th\u00e2n v\u00e0 kh\u1edbp n\u1ed1i c\u00f3 th\u1ec3 nh\u00ecn th\u1ea5y l\u00e0 c\u00e1c \u0111\u1eb7c \u0111i\u1ec3m tham kh\u1ea3o kh\u00e1c nhau. Vui l\u00f2ng x\u00e1c nh\u1eadn chi\u1ec1u d\u00e0i c\u1ea3m bi\u1ebfn ho\u1ea1t \u0111\u1ed9ng t\u1eeb th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt, kh\u00f4ng ph\u1ea3i t\u1eeb \u1ea3nh ch\u1ee5p. C\u00e1c nh\u00e3n hi\u1ec7u \u0111\u00e3 \u0111\u01b0\u1ee3c lo\u1ea1i b\u1ecf.<\/figcaption><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-can-a-stem-be-inserted-too-deeply\"><span class=\"ez-toc-section\" id=\"can-a-stem-be-inserted-too-deeply\"><\/span>Li\u1ec7u c\u00f3 th\u1ec3 c\u1eafm cu\u1ed1ng qu\u00e1 s\u00e2u kh\u00f4ng?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>M\u1ed9t \u0111o\u1ea1n th\u00e2n ho\u1eb7c \u1ed1ng b\u1ea3o v\u1ec7 nhi\u1ec7t \u0111\u1ed9 k\u00e9o d\u00e0i v\u00e0o ch\u1ea5t l\u1ecfng \u0111ang chuy\u1ec3n \u0111\u1ed9ng s\u1ebd ch\u1ecbu l\u1ef1c c\u1ea3n v\u00e0 rung \u0111\u1ed9ng. M\u1ed9t \u0111o\u1ea1n d\u00e0i kh\u00f4ng \u0111\u01b0\u1ee3c h\u1ed7 tr\u1ee3 c\u00f3 th\u1ec3 d\u1ec5 b\u1ecb u\u1ed1n cong ho\u1eb7c m\u1ecfi, \u0111\u1eb7c bi\u1ec7t l\u00e0 \u1edf t\u1ed1c \u0111\u1ed9 cao h\u01a1n. Do \u0111\u00f3, \u0111\u1ed9 ch\u00ednh x\u00e1c nhi\u1ec7t \u0111\u1ed9 v\u00e0 t\u00ednh ph\u00f9 h\u1ee3p v\u1ec1 m\u1eb7t c\u01a1 h\u1ecdc ph\u1ea3i \u0111\u01b0\u1ee3c \u0111\u00e1nh gi\u00e1 c\u00f9ng nhau.<\/p>\n\n\n\n<p>Trong \u0111\u01b0\u1eddng \u1ed1ng nh\u1ecf, k\u1ebft n\u1ed1i g\u00f3c ho\u1eb7c l\u1eafp \u0111\u1eb7t t\u1ea1i khu\u1ef7u n\u1ed1i ph\u00f9 h\u1ee3p c\u00f3 th\u1ec3 cung c\u1ea5p g\u00f3c nghi\u00eang immersion h\u1eefu d\u1ee5ng h\u01a1n, nh\u01b0ng c\u00e1ch b\u1ed1 tr\u00ed n\u00e0y c\u1ea7n \u0111\u01b0\u1ee3c xem x\u00e9t k\u1ef9 l\u01b0\u1ee1ng v\u1ec1 m\u1eb7t k\u1ef9 thu\u1eadt. Kh\u00f4ng \u0111\u01b0\u1ee3c \u00e9p th\u00e2n van v\u00e0o th\u00e0nh \u1ed1ng \u0111\u1ed1i di\u1ec7n ho\u1eb7c cho r\u1eb1ng m\u1ecdi c\u00e1ch l\u1eafp \u0111\u1eb7t \u0111\u1ec1u ph\u1ea3i ch\u1ea1m \u0111\u1ebfn \u0111\u01b0\u1eddng t\u00e2m.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-match-the-thermometer-and-thermowell-dimensions\"><span class=\"ez-toc-section\" id=\"match-the-thermometer-and-thermowell-dimensions\"><\/span>H\u00e3y \u0111\u1ea3m b\u1ea3o k\u00edch th\u01b0\u1edbc nhi\u1ec7t k\u1ebf v\u00e0 \u1ed1ng b\u1ea3o v\u1ec7 nhi\u1ec7t k\u1ebf kh\u1edbp nhau.<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>\u1ed0ng b\u1ea3o v\u1ec7 c\u1ea3m bi\u1ebfn nhi\u1ec7t (thermowell) ng\u0103n c\u00e1ch th\u00e2n c\u1ea3m bi\u1ebfn v\u1edbi quy tr\u00ecnh. H\u00e3y ki\u1ec3m tra \u0111\u01b0\u1eddng k\u00ednh trong, chi\u1ec1u s\u00e2u b\u00ean trong c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng, h\u00ecnh d\u1ea1ng th\u00e0nh \u1ed1ng v\u00e0 \u0111\u1ed9 kh\u1edbp do nh\u00e0 s\u1ea3n xu\u1ea5t quy \u0111\u1ecbnh v\u1edbi thi\u1ebft b\u1ecb. Th\u00e2n c\u1ea3m bi\u1ebfn b\u1ecb ch\u1ea1m \u0111\u00e1y tr\u01b0\u1edbc khi kh\u1edbp n\u1ed1i \u0111\u00fang c\u00e1ch, ho\u1eb7c \u0111\u1ec3 l\u1ea1i khe h\u1edf kh\u00f4ng mong mu\u1ed1n \u1edf \u0111\u1ea7u c\u1ea3m bi\u1ebfn, c\u00f3 th\u1ec3 kh\u00f4ng ho\u1ea1t \u0111\u1ed9ng nh\u01b0 mong \u0111\u1ee3i.<\/p>\n\n\n\n<p>\u0110\u1ed1i v\u1edbi ki\u1ec3u b\u1ed1 tr\u00ed ren, <a href=\"https:\/\/www.sj-gauge.com\/vi\/product\/twc\/\">\u1ed0ng b\u1ea3o v\u1ec7 nhi\u1ec7t \u0111\u1ed9 ren TWC<\/a> Cung c\u1ea5p \u0111i\u1ec3m kh\u1edfi \u0111\u1ea7u \u0111\u1ec3 th\u1ea3o lu\u1eadn v\u1ec1 k\u00edch th\u01b0\u1edbc c\u1ea7n thi\u1ebft. X\u00e1c nh\u1eadn to\u00e0n b\u1ed9 c\u1ee5m l\u1eafp r\u00e1p v\u1ec1 \u0111i\u1ec1u ki\u1ec7n \u00e1p su\u1ea5t, nhi\u1ec7t \u0111\u1ed9, v\u1eadt li\u1ec7u v\u00e0 l\u01b0u l\u01b0\u1ee3ng; chi\u1ec1u d\u00e0i trong catalog kh\u00f4ng ph\u1ea3i l\u00e0 s\u1ef1 ph\u00ea duy\u1ec7t v\u1ec1 m\u1eb7t c\u01a1 kh\u00ed.<\/p>\n\n\n\n<p>Kh\u00f4ng n\u00ean th\u00eam c\u00e1c h\u1ee3p ch\u1ea5t truy\u1ec1n nhi\u1ec7t n\u1ebfu ch\u01b0a ki\u1ec3m tra t\u00ednh t\u01b0\u01a1ng th\u00edch v\u00e0 h\u01b0\u1edbng d\u1eabn s\u1eed d\u1ee5ng thi\u1ebft b\u1ecb. N\u1ebfu th\u1eddi gian ph\u1ea3n h\u1ed3i c\u0169ng l\u00e0 m\u1ed9t v\u1ea5n \u0111\u1ec1 c\u1ea7n quan t\u00e2m, h\u00e3y xem x\u00e9t l\u1ea1i. <a href=\"https:\/\/www.sj-gauge.com\/vi\/industrial-thermometer-slow-response\/\">Nhi\u1ec7t k\u1ebf c\u00f4ng nghi\u1ec7p ph\u1ea3n h\u1ed3i ch\u1eadm: Nguy\u00ean nh\u00e2n v\u00e0 c\u00e1ch ki\u1ec3m tra<\/a><\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-what-information-is-needed-to-choose-the-length\"><span class=\"ez-toc-section\" id=\"what-information-is-needed-to-choose-the-length\"><\/span>C\u1ea7n nh\u1eefng th\u00f4ng tin g\u00ec \u0111\u1ec3 l\u1ef1a ch\u1ecdn \u0111\u1ed9 d\u00e0i?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u0110\u01b0\u1eddng k\u00ednh trong c\u1ee7a \u1ed1ng ho\u1eb7c k\u00edch th\u01b0\u1edbc b\u00ecnh ch\u1ee9a, \u0111\u1ed9 d\u00e0y th\u00e0nh \u1ed1ng v\u00e0 v\u1ecb tr\u00ed \u0111o d\u1ef1 ki\u1ebfn.<\/li>\n\n\n\n<li>Chi\u1ec1u cao v\u00f2i phun, k\u00edch th\u01b0\u1edbc k\u1ebft n\u1ed1i, \u0111\u1ed9 d\u00e0y l\u1edbp c\u00e1ch nhi\u1ec7t v\u00e0 b\u1ea3n v\u1ebd th\u1ec3 hi\u1ec7n c\u00e1c \u0111i\u1ec3m tham chi\u1ebfu k\u00edch th\u01b0\u1edbc.<\/li>\n\n\n\n<li>Lo\u1ea1i m\u00f4i ch\u1ea5t, nhi\u1ec7t \u0111\u1ed9, \u00e1p su\u1ea5t v\u00e0 v\u1eadn t\u1ed1c d\u00f2ng ch\u1ea3y b\u00ecnh th\u01b0\u1eddng v\u00e0 t\u1ed1i \u0111a, bao g\u1ed3m c\u1ea3 c\u00e1c \u0111i\u1ec1u ki\u1ec7n chuy\u1ec3n ti\u1ebfp li\u00ean quan.<\/li>\n\n\n\n<li>Nguy\u00ean l\u00fd ho\u1ea1t \u0111\u1ed9ng c\u1ee7a nhi\u1ec7t k\u1ebf, \u0111\u01b0\u1eddng k\u00ednh th\u00e2n, chi\u1ec1u d\u00e0i c\u1ea3m bi\u1ebfn ch\u1ee7 \u0111\u1ed9ng v\u00e0 ph\u1ea3n h\u1ed3i \u0111o l\u01b0\u1eddng c\u1ea7n thi\u1ebft.<\/li>\n\n\n\n<li>Lo\u1ea1i \u1ed1ng b\u1ea3o v\u1ec7 c\u1ea3m bi\u1ebfn nhi\u1ec7t, v\u1eadt li\u1ec7u, chi\u1ec1u d\u00e0i l\u1eafp \u0111\u1eb7t v\u00e0 b\u1ea5t k\u1ef3 \u0111\u00e1nh gi\u00e1 \u0111\u1ed9 rung ho\u1eb7c \u0111\u1ed9 b\u1ec1n n\u00e0o c\u1ea7n thi\u1ebft.<\/li>\n<\/ul>\n\n\n\n<p>\u0110\u1ed1i v\u1edbi c\u00e1c \u1ee9ng d\u1ee5ng t\u1ed1c \u0111\u1ed9 cao, \u00e1p su\u1ea5t cao ho\u1eb7c quan tr\u1ecdng, c\u00f3 th\u1ec3 c\u1ea7n t\u00ednh to\u00e1n k\u00edch th\u01b0\u1edbc \u1ed1ng b\u1ea3o v\u1ec7 c\u1ea3m bi\u1ebfn nhi\u1ec7t trong ph\u1ea1m vi ti\u00eau chu\u1ea9n \u00e1p d\u1ee5ng. H\u00e3y cung c\u1ea5p \u0111\u1ea7y \u0111\u1ee7 d\u1eef li\u1ec7u thi\u1ebft k\u1ebf thay v\u00ec ch\u1ecdn chi\u1ec1u d\u00e0i d\u1ef1a tr\u00ean quy t\u1eafc chung.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-international-standards-for-installation-and-review\"><span class=\"ez-toc-section\" id=\"international-standards-for-installation-and-review\"><\/span>Ti\u00eau chu\u1ea9n qu\u1ed1c t\u1ebf v\u1ec1 l\u1eafp \u0111\u1eb7t v\u00e0 ki\u1ec3m tra<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/www.asme.org\/codes-standards\/find-codes-standards\/temperature-measurement\">ASME PTC 19.3-2024<\/a>H\u01b0\u1edbng d\u1eabn \u0111o nhi\u1ec7t \u0111\u1ed9, bao g\u1ed3m l\u1ef1a ch\u1ecdn thi\u1ebft b\u1ecb, l\u1eafp \u0111\u1eb7t, s\u1eed d\u1ee5ng v\u00e0 gi\u1ea3i th\u00edch k\u1ebft qu\u1ea3.<\/li>\n\n\n\n<li><a href=\"https:\/\/knowledge.bsigroup.com\/products\/dial-thermometers\">EN 13190:2001<\/a>: C\u00e1c y\u00eau c\u1ea7u v\u00e0 th\u1eed nghi\u1ec7m \u0111\u1ed1i v\u1edbi nhi\u1ec7t k\u1ebf m\u1eb7t s\u1ed1 c\u00f4ng nghi\u1ec7p; h\u01b0\u1edbng d\u1eabn l\u1eafp \u0111\u1eb7t c\u1ee7a n\u00f3 r\u1ea5t quan tr\u1ecdng khi xem x\u00e9t c\u00e1ch b\u1ed1 tr\u00ed c\u1ea3m bi\u1ebfn.<\/li>\n\n\n\n<li><a href=\"https:\/\/www.asme.org\/codes-standards\/find-codes-standards\/thermometers-direct-reading-and-remote-reading\">ASME B40.200<\/a>: \u0111\u1ec1 c\u1eadp \u0111\u1ebfn nhi\u1ec7t k\u1ebf \u0111\u1ecdc tr\u1ef1c ti\u1ebfp v\u00e0 \u0111\u1ecdc t\u1eeb xa, bao g\u1ed3m c\u1ea5u t\u1ea1o, l\u1eafp \u0111\u1eb7t v\u00e0 c\u00e1c khuy\u1ebfn ngh\u1ecb chung.<\/li>\n\n\n\n<li><a href=\"https:\/\/www.asme.org\/codes-standards\/find-codes-standards\/thermowells\">ASME PTC 19.3 TW<\/a>: m\u1ed9t ti\u00eau chu\u1ea9n ri\u00eang bi\u1ec7t v\u1ec1 \u1ed1ng b\u1ea3o v\u1ec7 c\u1ea3m bi\u1ebfn nhi\u1ec7t \u0111\u1ec3 \u0111\u00e1nh gi\u00e1 c\u01a1 h\u1ecdc trong ph\u1ea1m vi quy \u0111\u1ecbnh. Kh\u00f4ng n\u00ean nh\u1ea7m l\u1eabn v\u1edbi h\u01b0\u1edbng d\u1eabn \u0111o nhi\u1ec7t \u0111\u1ed9 PTC 19.3.<\/li>\n<\/ul>\n\n\n\n<p>Ch\u1ecdn phi\u00ean b\u1ea3n v\u00e0 y\u00eau c\u1ea7u ki\u1ec3m \u0111\u1ecbnh ph\u00f9 h\u1ee3p cho d\u1ef1 \u00e1n. C\u00e1c t\u00e0i li\u1ec7u tham kh\u1ea3o n\u00e0y kh\u00f4ng thi\u1ebft l\u1eadp \u0111\u1ed9 s\u00e2u l\u1eafp \u0111\u1eb7t chung ho\u1eb7c ng\u1ee5 \u00fd r\u1eb1ng m\u1ed9t nhi\u1ec7t k\u1ebf ho\u1eb7c \u1ed1ng b\u1ea3o v\u1ec7 nhi\u1ec7t k\u1ebf c\u1ee5 th\u1ec3 n\u00e0o \u0111\u00f3 t\u1ef1 \u0111\u1ed9ng \u0111\u01b0\u1ee3c ch\u1ee9ng nh\u1eadn.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-frequently-asked-questions\"><span class=\"ez-toc-section\" id=\"frequently-asked-questions\"><\/span>C\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-is-it-enough-for-the-sensing-tip-to-pass-the-pipe-wall\">Li\u1ec7u vi\u1ec7c \u0111\u1ea7u d\u00f2 xuy\u00ean qua th\u00e0nh \u1ed1ng c\u00f3 \u0111\u1ee7 kh\u00f4ng?<\/h3>\n\n\n\n<p>Kh\u00f4ng nh\u1ea5t thi\u1ebft. Ph\u1ea7n c\u1ea3m bi\u1ebfn ch\u1ee7 \u0111\u1ed9ng ph\u1ea3i \u0111\u1ea1t \u0111\u1ebfn v\u00f9ng nhi\u1ec7t \u0111\u1ed9 \u0111\u1ea1i di\u1ec7n v\u00e0 \u0111\u00e1p \u1ee9ng y\u00eau c\u1ea7u immersion c\u1ee7a nh\u00e0 s\u1ea3n xu\u1ea5t. Ch\u1ec9 c\u1ea7n \u0111i qua th\u00e0nh trong c\u0169ng c\u00f3 th\u1ec3 khi\u1ebfn n\u00f3 n\u1eb1m trong v\u00f9ng l\u01b0u l\u01b0\u1ee3ng th\u1ea5p ho\u1eb7c v\u00f9ng ch\u1ecbu \u1ea3nh h\u01b0\u1edfng nhi\u1ec7t.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-can-an-overlong-stem-be-cut-shorter-on-site\">C\u00f3 th\u1ec3 c\u1eaft ng\u1eafn th\u00e2n c\u00e2y qu\u00e1 d\u00e0i ngay t\u1ea1i ch\u1ed7 kh\u00f4ng?<\/h3>\n\n\n\n<p>Kh\u00f4ng \u0111\u01b0\u1ee3c c\u1eaft ng\u1eafn th\u00e2n nhi\u1ec7t k\u1ebf m\u1eb7t s\u1ed1 tr\u1eeb khi nh\u00e0 s\u1ea3n xu\u1ea5t ch\u1ec9 r\u00f5 thi\u1ebft k\u1ebf cho ph\u00e9p l\u00e0m nh\u01b0 v\u1eady. Th\u00e2n nhi\u1ec7t k\u1ebf c\u00f3 th\u1ec3 ch\u1ee9a b\u1ed9 ph\u1eadn c\u1ea3m bi\u1ebfn, c\u01a1 c\u1ea5u truy\u1ec1n \u0111\u1ed9ng ho\u1eb7c h\u1ec7 th\u1ed1ng k\u00edn, v\u00e0 vi\u1ec7c c\u1eaft ng\u1eafn c\u00f3 th\u1ec3 l\u00e0m h\u1ecfng thi\u1ebft b\u1ecb v\u0129nh vi\u1ec5n.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-confirm-the-installation-drawing-before-ordering\"><span class=\"ez-toc-section\" id=\"confirm-the-installation-drawing-before-ordering\"><\/span>Vui l\u00f2ng x\u00e1c nh\u1eadn b\u1ea3n v\u1ebd l\u1eafp \u0111\u1eb7t tr\u01b0\u1edbc khi \u0111\u1eb7t h\u00e0ng.<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Ch\u1ecdn \u0111\u1ee7 s\u1ed1 l\u01b0\u1ee3ng immersion \u0111\u1ec3 \u0111o \u0111\u1ea1c \u0111\u1ea1i di\u1ec7n trong khi v\u1eabn \u0111\u1ea3m b\u1ea3o t\u00ednh ph\u00f9 h\u1ee3p v\u1ec1 m\u1eb7t c\u01a1 h\u1ecdc c\u1ee7a c\u1ee5m l\u1eafp r\u00e1p. G\u1eedi k\u00edch th\u01b0\u1edbc \u1ed1ng, chi\u1ec1u cao v\u00f2i phun, \u0111\u1ed9 d\u00e0y l\u1edbp c\u00e1ch nhi\u1ec7t, m\u00f4i ch\u1ea5t v\u00e0 d\u1eef li\u1ec7u l\u01b0u l\u01b0\u1ee3ng \u0111\u1ebfn SJ Gauge \u0111\u1ec3 k\u00edch th\u01b0\u1edbc th\u00e2n v\u00e0 \u1ed1ng b\u1ea3o v\u1ec7 nhi\u1ec7t c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c xem x\u00e9t c\u00f9ng nhau.<\/p>\n\n\n\n<p><a href=\"https:\/\/www.sj-gauge.com\/vi\/contact\/\">Th\u1ea3o lu\u1eadn v\u1ec1 \u0111\u1ed9 d\u00e0i \u0111\u01b0a nhi\u1ec7t k\u1ebf v\u00e0o<\/a><\/p>","protected":false},"excerpt":{"rendered":"<p>How deep should an industrial thermometer stem be inserted? There is no single length that works for every pipe or vessel. The active sensing section must reach a representative part of the medium, while the stem or thermowell must withstand the process conditions. Too little immersion allows the pipe wall and ambient environment to influence [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":6107,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[61],"tags":[72],"class_list":["post-6112","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 v28.6) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Thermometer Insertion Depth &amp; Stem Length | SJ Gauge<\/title>\n<meta name=\"description\" content=\"Choose thermometer insertion depth using the sensing length, pipe size, nozzle, insulation and flow conditions. 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