{"id":2231,"date":"2024-11-26T13:53:19","date_gmt":"2024-11-26T05:53:19","guid":{"rendered":"https:\/\/sj-gauge.com\/?p=2231"},"modified":"2026-04-28T16:13:03","modified_gmt":"2026-04-28T08:13:03","slug":"liquid-filled-gauge-troubleshooting","status":"publish","type":"post","link":"https:\/\/www.sj-gauge.com\/vi\/liquid-filled-gauge-troubleshooting\/","title":{"rendered":"Khi \u0111\u1ed3ng h\u1ed3 \u00e1p su\u1ea5t ch\u1ee9a ch\u1ea5t l\u1ecfng kh\u00f4ng ho\u1ea1t \u0111\u1ed9ng, c\u1ea7n l\u00e0m g\u00ec?"},"content":{"rendered":"<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p><strong>M\u1ed9t \u0111\u1ed3ng h\u1ed3 \u00e1p su\u1ea5t ch\u1ee9a ch\u1ea5t l\u1ecfng c\u00f3 ph\u00f9 h\u1ee3p v\u1edbi t\u00f4i kh\u00f4ng?<\/strong><br>H\u1ecdc c\u00e1ch kh\u1eafc ph\u1ee5c c\u00e1c s\u1ef1 c\u1ed1 th\u01b0\u1eddng g\u1eb7p v\u1edbi \u0111\u1ed3ng h\u1ed3 \u00e1p su\u1ea5t ch\u1ee9a ch\u1ea5t l\u1ecfng d\u01b0\u1edbi s\u1ef1 h\u01b0\u1edbng d\u1eabn chuy\u00ean nghi\u1ec7p c\u1ee7a SJ Gauge ch\u1ec9 trong 5 ph\u00fat!<\/p>\n<\/blockquote>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large is-resized\"><img fetchpriority=\"high\" decoding=\"async\" width=\"1024\" height=\"728\" src=\"https:\/\/sj-gauge.com\/wp-content\/uploads\/2025\/11\/01_SJ-Gauge_Liquid_filled_pressure_gauge-1024x728.jpg\" alt=\"\" class=\"wp-image-2232\" style=\"width:500px\" srcset=\"https:\/\/www.sj-gauge.com\/wp-content\/uploads\/2025\/11\/01_SJ-Gauge_Liquid_filled_pressure_gauge-1024x728.jpg 1024w, https:\/\/www.sj-gauge.com\/wp-content\/uploads\/2025\/11\/01_SJ-Gauge_Liquid_filled_pressure_gauge-300x213.jpg 300w, https:\/\/www.sj-gauge.com\/wp-content\/uploads\/2025\/11\/01_SJ-Gauge_Liquid_filled_pressure_gauge-768x546.jpg 768w, https:\/\/www.sj-gauge.com\/wp-content\/uploads\/2025\/11\/01_SJ-Gauge_Liquid_filled_pressure_gauge-1536x1092.jpg 1536w, https:\/\/www.sj-gauge.com\/wp-content\/uploads\/2025\/11\/01_SJ-Gauge_Liquid_filled_pressure_gauge-2048x1457.jpg 2048w, https:\/\/www.sj-gauge.com\/wp-content\/uploads\/2025\/11\/01_SJ-Gauge_Liquid_filled_pressure_gauge-600x427.jpg 600w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/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\/liquid-filled-gauge-troubleshooting\/#1-when-to-use-a-liquid-filled-pressure-gauge\" >1. Khi n\u00e0o n\u00ean s\u1eed d\u1ee5ng \u0111\u1ed3ng h\u1ed3 \u00e1p su\u1ea5t ch\u1ee9a ch\u1ea5t l\u1ecfng?<\/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\/liquid-filled-gauge-troubleshooting\/#2-what-should-you-do-if-the-pressure-gauge-leaks-liquid\" >2. B\u1ea1n n\u00ean l\u00e0m g\u00ec n\u1ebfu \u0111\u1ed3ng h\u1ed3 \u00e1p su\u1ea5t b\u1ecb r\u00f2 r\u1ec9 ch\u1ea5t l\u1ecfng?<\/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\/liquid-filled-gauge-troubleshooting\/#3-how-to-choose-which-liquid\" >3. L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 ch\u1ecdn lo\u1ea1i dung d\u1ecbch n\u00e0o?<\/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\/liquid-filled-gauge-troubleshooting\/#4-can-the-gauge-be-used-if-the-liquid-is-not-full\" >4. C\u00f3 th\u1ec3 s\u1eed d\u1ee5ng \u0111\u1ed3ng h\u1ed3 \u0111o n\u1ebfu ch\u1ea5t l\u1ecfng kh\u00f4ng \u0111\u1ea7y kh\u00f4ng?<\/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\/liquid-filled-gauge-troubleshooting\/#5-why-does-the-liquid-turn-yellow-can-it-still-be-used-when-this-happens\" >5. T\u1ea1i sao ch\u1ea5t l\u1ecfng l\u1ea1i chuy\u1ec3n sang m\u00e0u v\u00e0ng? Li\u1ec7u n\u00f3 v\u1eabn c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng \u0111\u01b0\u1ee3c khi \u0111i\u1ec1u n\u00e0y x\u1ea3y ra?<\/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\/liquid-filled-gauge-troubleshooting\/#6-why-cant-the-pressure-gauge-return-to-zero\" >6. T\u1ea1i sao \u0111\u1ed3ng h\u1ed3 \u00e1p su\u1ea5t kh\u00f4ng th\u1ec3 tr\u1edf v\u1ec1 v\u1ecb tr\u00ed zero?<\/a><\/li><\/ul><\/nav><\/div>\n<h2 class=\"wp-block-heading has-palette-color-2-color has-text-color has-link-color wp-elements-ccc9585f163b0b86d8e923f6a7078103\" id=\"h-1-when-to-use-a-liquid-filled-pressure-gauge\"><span class=\"ez-toc-section\" id=\"1-when-to-use-a-liquid-filled-pressure-gauge\"><\/span>1. Khi n\u00e0o n\u00ean s\u1eed d\u1ee5ng \u0111\u1ed3ng h\u1ed3 \u00e1p su\u1ea5t ch\u1ee9a ch\u1ea5t l\u1ecfng?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>C\u00e1c \u0111\u1ed3ng h\u1ed3 \u00e1p su\u1ea5t ch\u1ee9a ch\u1ea5t l\u1ecfng, c\u00f2n \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 \u0111\u1ed3ng h\u1ed3 \u00e1p su\u1ea5t ch\u1ed1ng s\u1ed1c, \u0111\u01b0\u1ee3c b\u01a1m ch\u1ea5t l\u1ecfng v\u00e0o kho\u1ea3ng tr\u1ed1ng gi\u1eefa v\u1ecf \u0111\u1ed3ng h\u1ed3 v\u00e0 c\u00e1c b\u1ed9 ph\u1eadn b\u00ean trong. \u0110i\u1ec1u n\u00e0y gi\u00fap b\u00f4i tr\u01a1n c\u00e1c b\u1ed9 ph\u1eadn, ng\u0103n ng\u1eeba m\u00e0i m\u00f2n v\u00e0 k\u00e9o d\u00e0i tu\u1ed5i th\u1ecd c\u1ee7a \u0111\u1ed3ng h\u1ed3 \u00e1p su\u1ea5t. N\u00f3 c\u00f3 th\u1ec3 gi\u1ea3m t\u00e1c \u0111\u1ed9ng ti\u00eau c\u1ef1c l\u00ean kim ch\u1ec9 khi bi\u00ean \u0111\u1ed9 thay \u0111\u1ed5i \u00e1p su\u1ea5t l\u1edbn, gi\u1ea3m dao \u0111\u1ed9ng v\u00e0 gi\u1ea3m \u1ea3nh h\u01b0\u1edfng c\u1ee7a rung \u0111\u1ed9ng l\u00ean k\u1ebft qu\u1ea3 \u0111o. \u0110\u1ed3ng h\u1ed3 \u00e1p su\u1ea5t ch\u1ee9a ch\u1ea5t l\u1ecfng ph\u00f9 h\u1ee3p \u0111\u1ec3 s\u1eed d\u1ee5ng trong c\u00e1c m\u00e1y m\u00f3c c\u00f3 rung \u0111\u1ed9ng l\u1edbn, ch\u1eb3ng h\u1ea1n nh\u01b0: m\u00e1y \u00e9p nh\u1ef1a, m\u00e1y n\u00e9n kh\u00ed v\u00e0 c\u00e1c lo\u1ea1i m\u00e1y m\u00f3c kh\u00e1c.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full is-resized\"><img decoding=\"async\" width=\"1754\" height=\"1240\" src=\"https:\/\/www.sj-gauge.com\/wp-content\/uploads\/2025\/05\/\u6280\u8853\u7814\u8a0e04EN.jpg\" alt=\"\" class=\"wp-image-4431\" style=\"width:500px\" srcset=\"https:\/\/www.sj-gauge.com\/wp-content\/uploads\/2025\/05\/\u6280\u8853\u7814\u8a0e04EN.jpg 1754w, https:\/\/www.sj-gauge.com\/wp-content\/uploads\/2025\/05\/\u6280\u8853\u7814\u8a0e04EN-300x212.jpg 300w, https:\/\/www.sj-gauge.com\/wp-content\/uploads\/2025\/05\/\u6280\u8853\u7814\u8a0e04EN-1024x724.jpg 1024w, https:\/\/www.sj-gauge.com\/wp-content\/uploads\/2025\/05\/\u6280\u8853\u7814\u8a0e04EN-768x543.jpg 768w, https:\/\/www.sj-gauge.com\/wp-content\/uploads\/2025\/05\/\u6280\u8853\u7814\u8a0e04EN-1536x1086.jpg 1536w, https:\/\/www.sj-gauge.com\/wp-content\/uploads\/2025\/05\/\u6280\u8853\u7814\u8a0e04EN-18x12.jpg 18w, https:\/\/www.sj-gauge.com\/wp-content\/uploads\/2025\/05\/\u6280\u8853\u7814\u8a0e04EN-600x424.jpg 600w\" sizes=\"(max-width: 1754px) 100vw, 1754px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading has-palette-color-2-color has-text-color has-link-color wp-elements-703fa833f2a8b8262968fc8c8a70aa07\" id=\"h-2-what-should-you-do-if-the-pressure-gauge-leaks-liquid\"><span class=\"ez-toc-section\" id=\"2-what-should-you-do-if-the-pressure-gauge-leaks-liquid\"><\/span>2. B\u1ea1n n\u00ean l\u00e0m g\u00ec n\u1ebfu \u0111\u1ed3ng h\u1ed3 \u00e1p su\u1ea5t b\u1ecb r\u00f2 r\u1ec9 ch\u1ea5t l\u1ecfng?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>R\u00f2 r\u1ec9 hi\u1ebfm khi x\u1ea3y ra trong \u0111i\u1ec1u ki\u1ec7n s\u1eed d\u1ee5ng b\u00ecnh th\u01b0\u1eddng, nh\u01b0ng c\u00f3 m\u1ed9t s\u1ed1 y\u1ebfu t\u1ed1 c\u00f3 th\u1ec3 g\u00e2y ra r\u00f2 r\u1ec9.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-liquid-leaking-from-the-plug\">Dung d\u1ecbch r\u00f2 r\u1ec9 t\u1eeb ph\u00edch c\u1eafm:<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>N\u1eafp d\u1ea7u c\u00f3 th\u1ec3 kh\u00f4ng \u0111\u01b0\u1ee3c v\u1eb7n ch\u1eb7t, v\u00ec n\u1eafp kh\u00f4ng \u0111\u01b0\u1ee3c b\u1ecbt k\u00edn ho\u00e0n to\u00e0n. Trong tr\u01b0\u1eddng h\u1ee3p n\u00e0y, ch\u1ec9 c\u1ea7n l\u1eafp l\u1ea1i n\u1eafp v\u00e0 \u0111\u1eb7t \u0111\u1ed3ng h\u1ed3 \u00e1p su\u1ea5t l\u00ean gi\u1ea5y \u0111\u1ec3 ki\u1ec3m tra xem ch\u1ea5t l\u1ecfng c\u00f3 c\u00f2n r\u00f2 r\u1ec9 hay kh\u00f4ng.<\/li>\n\n\n\n<li>Van d\u1ea7u c\u1ee7a \u0111\u1ed3ng h\u1ed3 \u00e1p su\u1ea5t b\u1ecb h\u01b0 h\u1ecfng (m\u1ea5t \u0111\u1ed9 \u0111\u00e0n h\u1ed3i, h\u01b0 h\u1ecfng, v.v.), d\u1eabn \u0111\u1ebfn r\u00f2 r\u1ec9 ch\u1ea5t l\u1ecfng. B\u1ea1n c\u1ea7n thay th\u1ebf van d\u1ea7u b\u1ecb h\u01b0 h\u1ecfng v\u00e0 l\u1eafp \u0111\u1eb7t van m\u1edbi.<\/li>\n\n\n\n<li>\u0110\u1ed1i v\u1edbi c\u00e1c tr\u01b0\u1eddng h\u1ee3p nghi\u00eam tr\u1ecdng h\u01a1n (va ch\u1ea1m, h\u01b0 h\u1ecfng n\u1eb7ng, v.v.), b\u1ea1n c\u00f3 th\u1ec3 ph\u1ea3i g\u1eedi s\u1ea3n ph\u1ea9m tr\u1edf l\u1ea1i nh\u00e0 s\u1ea3n xu\u1ea5t \u0111\u1ec3 thay th\u1ebf ho\u1eb7c s\u1eeda ch\u1eefa.<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full is-resized\"><img decoding=\"async\" width=\"842\" height=\"595\" src=\"https:\/\/sj-gauge.com\/wp-content\/uploads\/2025\/11\/03_SJ_liquid-filled_pressure_gauge_leaking.jpg\" alt=\"\" class=\"wp-image-2235\" style=\"width:500px\" srcset=\"https:\/\/www.sj-gauge.com\/wp-content\/uploads\/2025\/11\/03_SJ_liquid-filled_pressure_gauge_leaking.jpg 842w, https:\/\/www.sj-gauge.com\/wp-content\/uploads\/2025\/11\/03_SJ_liquid-filled_pressure_gauge_leaking-300x212.jpg 300w, https:\/\/www.sj-gauge.com\/wp-content\/uploads\/2025\/11\/03_SJ_liquid-filled_pressure_gauge_leaking-768x543.jpg 768w, https:\/\/www.sj-gauge.com\/wp-content\/uploads\/2025\/11\/03_SJ_liquid-filled_pressure_gauge_leaking-600x424.jpg 600w\" sizes=\"(max-width: 842px) 100vw, 842px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-liquid-leaking-from-the-case\">Dung d\u1ecbch r\u00f2 r\u1ec9 t\u1eeb v\u1ecf m\u00e1y:<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>V\u1ecf m\u00e1y kh\u00f4ng \u0111\u01b0\u1ee3c l\u1eafp \u0111\u1eb7t \u0111\u00fang c\u00e1ch v\u00e0 c\u1ea7n \u0111\u01b0\u1ee3c g\u1eedi tr\u1ea3 l\u1ea1i nh\u00e0 s\u1ea3n xu\u1ea5t \u0111\u1ec3 thay th\u1ebf ho\u1eb7c s\u1eeda ch\u1eefa.<\/li>\n\n\n\n<li>C\u1ea3m bi\u1ebfn \u00e1p su\u1ea5t b\u1ecb \u1ea3nh h\u01b0\u1edfng b\u1edfi c\u00e1c y\u1ebfu t\u1ed1 b\u00ean ngo\u00e0i, d\u1eabn \u0111\u1ebfn h\u01b0 h\u1ecfng c\u1ea3m bi\u1ebfn \u00e1p su\u1ea5t, khuy\u1ebfn ngh\u1ecb thay th\u1ebf.<\/li>\n\n\n\n<li>C\u00f3 l\u1ed7i trong ch\u00ednh \u0111\u1ed3ng h\u1ed3 \u00e1p su\u1ea5t, y\u00eau c\u1ea7u nh\u00e0 s\u1ea3n xu\u1ea5t ph\u1ea3i s\u1eeda ch\u1eefa n\u00f3.<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"724\" src=\"https:\/\/sj-gauge.com\/wp-content\/uploads\/2025\/11\/04_SJ_Liquid_leaking_from_the_case-1024x724.jpg\" alt=\"\" class=\"wp-image-2236\" style=\"width:500px\" srcset=\"https:\/\/www.sj-gauge.com\/wp-content\/uploads\/2025\/11\/04_SJ_Liquid_leaking_from_the_case-1024x724.jpg 1024w, https:\/\/www.sj-gauge.com\/wp-content\/uploads\/2025\/11\/04_SJ_Liquid_leaking_from_the_case-300x212.jpg 300w, https:\/\/www.sj-gauge.com\/wp-content\/uploads\/2025\/11\/04_SJ_Liquid_leaking_from_the_case-768x543.jpg 768w, https:\/\/www.sj-gauge.com\/wp-content\/uploads\/2025\/11\/04_SJ_Liquid_leaking_from_the_case-1536x1087.jpg 1536w, https:\/\/www.sj-gauge.com\/wp-content\/uploads\/2025\/11\/04_SJ_Liquid_leaking_from_the_case-600x425.jpg 600w, https:\/\/www.sj-gauge.com\/wp-content\/uploads\/2025\/11\/04_SJ_Liquid_leaking_from_the_case.jpg 1600w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading has-palette-color-2-color has-text-color has-link-color wp-elements-14d8d478bab0270f763c8b53b8707d21\" id=\"h-3-how-to-choose-which-liquid\"><span class=\"ez-toc-section\" id=\"3-how-to-choose-which-liquid\"><\/span>3. L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 ch\u1ecdn lo\u1ea1i dung d\u1ecbch n\u00e0o?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Ch\u1ea5t l\u1ecfng ch\u1ee7 y\u1ebfu \u0111\u01b0\u1ee3c chia th\u00e0nh glycerol v\u00e0 d\u1ea7u silicone, m\u1eb7c d\u00f9 c\u1ea3 hai \u0111\u1ec1u c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong \u0111\u1ed3ng h\u1ed3 \u00e1p su\u1ea5t, nh\u01b0ng hi\u1ec7u qu\u1ea3 c\u1ee7a ch\u00fang l\u00e0 kh\u00e1c nhau. C\u1ea3 hai ch\u1ea5t l\u1ecfng n\u00e0y \u0111\u1ec1u c\u00f3 t\u00e1c d\u1ee5ng ch\u1ed1ng rung r\u1ea5t t\u1ed1t, nh\u01b0ng gi\u00e1 c\u1ee7a glycerol t\u01b0\u01a1ng \u0111\u1ed1i r\u1ebb h\u01a1n v\u00e0 ph\u1ed5 bi\u1ebfn tr\u00ean th\u1ecb tr\u01b0\u1eddng. D\u1ea7u silicone \u0111\u1eaft h\u01a1n, nh\u01b0ng silicone c\u00f3 kh\u1ea3 n\u0103ng ch\u1ecbu nhi\u1ec7t \u0111\u1ed9 th\u1ea5p t\u1ed1t h\u01a1n glycerol. N\u1ebfu nhi\u1ec7t \u0111\u1ed9 m\u00f4i tr\u01b0\u1eddng d\u01b0\u1edbi \u201320\u00b0C, glycerol s\u1ebd k\u1ebft tinh, nh\u01b0ng silicone v\u1eabn c\u00f3 th\u1ec3 ho\u1ea1t \u0111\u1ed9ng b\u00ecnh th\u01b0\u1eddng.<\/p>\n\n\n\n<h2 class=\"wp-block-heading has-palette-color-2-color has-text-color has-link-color wp-elements-d8d1bbe4086372ecd084596db4062d89\" id=\"h-4-can-the-gauge-be-used-if-the-liquid-is-not-full\"><span class=\"ez-toc-section\" id=\"4-can-the-gauge-be-used-if-the-liquid-is-not-full\"><\/span>4. C\u00f3 th\u1ec3 s\u1eed d\u1ee5ng \u0111\u1ed3ng h\u1ed3 \u0111o n\u1ebfu ch\u1ea5t l\u1ecfng kh\u00f4ng \u0111\u1ea7y kh\u00f4ng?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>\u0110\u00fang v\u1eady, mi\u1ec5n l\u00e0 dung d\u1ecbch \u0111\u1ea7y kho\u1ea3ng 80% v\u00e0 c\u00e1c th\u00e0nh ph\u1ea7n \u0111\u01b0\u1ee3c ph\u1ee7 k\u00edn v\u00e0 b\u1ea3o v\u1ec7 ho\u00e0n to\u00e0n.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"576\" src=\"https:\/\/sj-gauge.com\/wp-content\/uploads\/2025\/11\/05_SJ_pressure_gauge_Liquid_about_80_percent_EN-1024x576.jpg\" alt=\"\" class=\"wp-image-2237\" style=\"width:500px\" srcset=\"https:\/\/www.sj-gauge.com\/wp-content\/uploads\/2025\/11\/05_SJ_pressure_gauge_Liquid_about_80_percent_EN-1024x576.jpg 1024w, https:\/\/www.sj-gauge.com\/wp-content\/uploads\/2025\/11\/05_SJ_pressure_gauge_Liquid_about_80_percent_EN-300x169.jpg 300w, https:\/\/www.sj-gauge.com\/wp-content\/uploads\/2025\/11\/05_SJ_pressure_gauge_Liquid_about_80_percent_EN-768x432.jpg 768w, https:\/\/www.sj-gauge.com\/wp-content\/uploads\/2025\/11\/05_SJ_pressure_gauge_Liquid_about_80_percent_EN-1536x864.jpg 1536w, https:\/\/www.sj-gauge.com\/wp-content\/uploads\/2025\/11\/05_SJ_pressure_gauge_Liquid_about_80_percent_EN-2048x1152.jpg 2048w, https:\/\/www.sj-gauge.com\/wp-content\/uploads\/2025\/11\/05_SJ_pressure_gauge_Liquid_about_80_percent_EN-600x338.jpg 600w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading has-palette-color-2-color has-text-color has-link-color wp-elements-9bd75be49f5ca3569148305ece8c76f4\" id=\"h-5-why-does-the-liquid-turn-yellow-can-it-still-be-used-when-this-happens\"><span class=\"ez-toc-section\" id=\"5-why-does-the-liquid-turn-yellow-can-it-still-be-used-when-this-happens\"><\/span>5. T\u1ea1i sao ch\u1ea5t l\u1ecfng l\u1ea1i chuy\u1ec3n sang m\u00e0u v\u00e0ng? Li\u1ec7u n\u00f3 v\u1eabn c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng \u0111\u01b0\u1ee3c khi \u0111i\u1ec1u n\u00e0y x\u1ea3y ra?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Kh\u00f4ng n\u00ean s\u1eed d\u1ee5ng \u0111\u1ed3ng h\u1ed3 \u00e1p su\u1ea5t ch\u1ea5t l\u1ecfng n\u1ebfu ch\u1ea5t l\u1ecfng \u0111\u00e3 chuy\u1ec3n sang m\u00e0u v\u00e0ng. \u0110i\u1ec1u n\u00e0y c\u00f3 th\u1ec3 g\u00e2y ra kh\u00f3 kh\u0103n v\u00e0 th\u1eadm ch\u00ed l\u00e0m m\u1edd hi\u1ec3n th\u1ecb.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-the-liquid-may-turn-yellow-due-to-the-following-reasons\">Ch\u1ea5t l\u1ecfng c\u00f3 th\u1ec3 chuy\u1ec3n sang m\u00e0u v\u00e0ng do c\u00e1c nguy\u00ean nh\u00e2n sau:<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Ti\u1ebfp x\u00fac l\u00e2u d\u00e0i v\u1edbi \u00e1nh n\u1eafng m\u1eb7t tr\u1eddi<\/li>\n\n\n\n<li>S\u1eed d\u1ee5ng \u1edf nhi\u1ec7t \u0111\u1ed9 cao<\/li>\n\n\n\n<li>V\u1ea5n \u0111\u1ec1 v\u1edbi ch\u00ednh ch\u1ea5t l\u1ecfng \u0111\u00f3<\/li>\n\n\n\n<li>H\u00e0n kh\u00f4ng r\u1eeda \u1ed1ng Bourdon<\/li>\n\n\n\n<li>M\u1eb7t s\u1ed1 v\u00e0 kim \u0111\u1ed3ng h\u1ed3 \u0111\u00e3 phai m\u00e0u.<\/li>\n<\/ul>\n\n\n\n<p>Khi ch\u1ea5t l\u1ecfng chuy\u1ec3n sang m\u00e0u v\u00e0ng, b\u1ea1n c\u00f3 th\u1ec3 \u0111\u1ed5 b\u1ecf ch\u1ea5t l\u1ecfng h\u1ecfng v\u00e0 s\u1eed d\u1ee5ng n\u00f3 nh\u01b0 m\u1ed9t \u0111\u1ed3ng h\u1ed3 \u00e1p su\u1ea5t th\u00f4ng th\u01b0\u1eddng, ho\u1eb7c b\u01a1m ch\u1ea5t l\u1ecfng m\u1edbi v\u00e0o.<\/p>\n\n\n\n<h2 class=\"wp-block-heading has-palette-color-2-color has-text-color has-link-color wp-elements-c83d5a03a88a699616c99f2cfa5dbebd\" id=\"h-6-why-can-t-the-pressure-gauge-return-to-zero\"><span class=\"ez-toc-section\" id=\"6-why-cant-the-pressure-gauge-return-to-zero\"><\/span>6. T\u1ea1i sao \u0111\u1ed3ng h\u1ed3 \u00e1p su\u1ea5t kh\u00f4ng th\u1ec3 tr\u1edf v\u1ec1 v\u1ecb tr\u00ed zero?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-the-pointer-can-t-return-to-zero-mainly-due-to-the-following-reasons\">Con tr\u1ecf kh\u00f4ng th\u1ec3 quay tr\u1edf l\u1ea1i gi\u00e1 tr\u1ecb 0 ch\u1ee7 y\u1ebfu do c\u00e1c l\u00fd do sau:<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u00c1p su\u1ea5t b\u00ean trong v\u00e0 b\u00ean ngo\u00e0i \u0111\u1ed3ng h\u1ed3 \u00e1p su\u1ea5t kh\u00f4ng c\u00e2n b\u1eb1ng, khi\u1ebfn kim \u0111\u1ed3ng h\u1ed3 kh\u00f4ng v\u1ec1 v\u1ecb tr\u00ed zero. Khi s\u1eed d\u1ee5ng \u0111\u1ed3ng h\u1ed3 \u00e1p su\u1ea5t ch\u1ee9a ch\u1ea5t l\u1ecfng, h\u00e3y m\u1edf n\u00fat x\u1ea3 d\u1ea7u, \u0111\u1ec3 \u00e1p su\u1ea5t b\u00ean trong v\u00e0 b\u00ean ngo\u00e0i c\u00e2n b\u1eb1ng v\u1edbi \u00e1p su\u1ea5t kh\u00ed quy\u1ec3n. Sau khi \u0111\u1ed3ng h\u1ed3 tr\u1edf v\u1ec1 v\u1ecb tr\u00ed zero, h\u00e3y \u0111\u00f3ng n\u00fat x\u1ea3 d\u1ea7u.<\/li>\n\n\n\n<li>C\u1ea3m bi\u1ebfn \u00e1p su\u1ea5t b\u1ecb h\u1ecfng, d\u1eabn \u0111\u1ebfn h\u01b0 h\u1ecfng b\u1ed9 ph\u1eadn.<\/li>\n\n\n\n<li>Nhi\u1ec7t \u0111\u1ed9 m\u00f4i tr\u01b0\u1eddng ho\u1ea1t \u0111\u1ed9ng qu\u00e1 cao, d\u1eabn \u0111\u1ebfn bi\u1ebfn d\u1ea1ng \u1ed1ng Bourdon. \u0110i\u1ec1u n\u00e0y c\u00f3 th\u1ec3 khi\u1ebfn kim kh\u00f4ng th\u1ec3 tr\u1edf v\u1ec1 v\u1ecb tr\u00ed zero v\u00e0 \u00e1p su\u1ea5t kh\u00f4ng ch\u00ednh x\u00e1c.<\/li>\n<\/ul>\n\n\n\n<p>Ch\u00fang t\u00f4i hy v\u1ecdng r\u1eb1ng sau b\u00e0i vi\u1ebft ng\u1eafn n\u00e0y, m\u1ecdi ng\u01b0\u1eddi s\u1ebd c\u00f3 th\u00eam ki\u1ebfn th\u1ee9c v\u1ec1 \u0111\u1ed3ng h\u1ed3 \u00e1p su\u1ea5t ch\u1ee9a ch\u1ea5t l\u1ecfng! Nh\u1ea5p v\u00e0o b\u00ean d\u01b0\u1edbi \u0111\u1ec3 \u0111\u1ecdc th\u00eam v\u00e0 t\u00ecm hi\u1ec3u th\u00eam v\u1ec1 \u0111\u1ed3ng h\u1ed3 \u00e1p su\u1ea5t!<\/p>","protected":false},"excerpt":{"rendered":"<p>Li\u1ec7u \u0111\u1ed3ng h\u1ed3 \u00e1p su\u1ea5t ch\u1ee9a ch\u1ea5t l\u1ecfng c\u00f3 ph\u00f9 h\u1ee3p v\u1edbi t\u00f4i kh\u00f4ng? H\u00e3y t\u00ecm hi\u1ec3u c\u00e1ch kh\u1eafc ph\u1ee5c c\u00e1c v\u1ea5n \u0111\u1ec1 th\u01b0\u1eddng g\u1eb7p v\u1edbi \u0111\u1ed3ng h\u1ed3 \u00e1p su\u1ea5t ch\u1ee9a ch\u1ea5t l\u1ecfng d\u01b0\u1edbi s\u1ef1 h\u01b0\u1edbng d\u1eabn chuy\u00ean nghi\u1ec7p c\u1ee7a SJ Gauge ch\u1ec9 trong 5 ph\u00fat! 1. Khi n\u00e0o n\u00ean s\u1eed d\u1ee5ng \u0111\u1ed3ng h\u1ed3 \u00e1p su\u1ea5t ch\u1ee9a ch\u1ea5t l\u1ecfng? \u0110\u1ed3ng h\u1ed3 \u00e1p su\u1ea5t ch\u1ee9a ch\u1ea5t l\u1ecfng, c\u00f2n \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 \u0111\u1ed3ng h\u1ed3 \u00e1p su\u1ea5t ch\u1ed1ng s\u1ed1c, \u0111\u01b0\u1ee3c b\u01a1m ch\u1ea5t l\u1ecfng gi\u1eefa v\u1ecf \u0111\u1ed3ng h\u1ed3 v\u00e0 c\u00e1c b\u1ed9 ph\u1eadn b\u00ean trong. \u0110i\u1ec1u n\u00e0y [\u2026]<\/p>","protected":false},"author":2,"featured_media":2238,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[61],"tags":[71],"class_list":["post-2231","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-knowledge","tag-pressure"],"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>What to Do When Liquid-Filled Pressure Gauges Can&#039;t Working? - 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\/liquid-filled-gauge-troubleshooting\/\" \/>\n<meta property=\"og:locale\" content=\"vi_VN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"What to Do When Liquid-Filled Pressure Gauges Can&#039;t Working?\" \/>\n<meta property=\"og:description\" content=\"Is a liquid-filled pressure gauge right for me?Learn how to troubleshoot common issues with liquid-filled pressure gauges with SJ Gauge&#8217;s expert guidance in 5 minutes! 1. When to use a liquid-filled pressure gauge? Liquid-filled pressure gauges, also known as shock-resistant pressure gauges, are injected with liquid between the pressure gauge case and the components. 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