{"id":8204,"date":"2026-05-20T18:11:17","date_gmt":"2026-05-20T18:11:17","guid":{"rendered":"https:\/\/www.yunrui-controls.com\/?p=8204"},"modified":"2026-05-20T18:15:05","modified_gmt":"2026-05-20T18:15:05","slug":"19-common-liquid-level-gauges","status":"publish","type":"post","link":"https:\/\/www.yunrui-controls.com\/vi\/19-common-liquid-level-gauges\/","title":{"rendered":"Gi\u1ea3i th\u00edch chi ti\u1ebft v\u1ec1 19 lo\u1ea1i \u0111\u1ed3ng h\u1ed3 \u0111o m\u1ee9c ch\u1ea5t l\u1ecfng th\u00f4ng d\u1ee5ng: Nguy\u00ean l\u00fd, \u01b0u \u0111i\u1ec3m, nh\u01b0\u1ee3c \u0111i\u1ec3m v\u00e0 khuy\u1ebfn ngh\u1ecb l\u1ef1a ch\u1ecdn."},"content":{"rendered":"<p>Trong c\u00e1c ng\u00e0nh c\u00f4ng nghi\u1ec7p ch\u1ebf bi\u1ebfn, \u0111\u1ed3ng h\u1ed3 \u0111o m\u1ee9c \u0111\u00f3ng vai tr\u00f2 quan tr\u1ecdng trong c\u00e1c b\u1ec3 ch\u1ee9a, l\u00f2 ph\u1ea3n \u1ee9ng v\u00e0 h\u1ec7 th\u1ed1ng \u0111\u01b0\u1eddng \u1ed1ng. Vi\u1ec7c l\u1ef1a ch\u1ecdn sai thi\u1ebft b\u1ecb c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn sai l\u1ec7ch k\u1ebft qu\u1ea3 \u0111o, b\u1ea3o tr\u00ec th\u01b0\u1eddng xuy\u00ean, ho\u1eb7c th\u1eadm ch\u00ed l\u00e0 c\u00e1c s\u1ef1 c\u1ed1 an to\u00e0n. Tr\u01b0\u1edbc v\u00f4 s\u1ed1 s\u1ea3n ph\u1ea9m tr\u00ean th\u1ecb tr\u01b0\u1eddng, c\u00e1c k\u1ef9 s\u01b0 th\u01b0\u1eddng c\u1ea3m th\u1ea5y b\u1ed1i r\u1ed1i:<\/p>\n<ul>\n<li>N\u00ean s\u1eed d\u1ee5ng radar hay s\u00f3ng si\u00eau \u00e2m \u0111\u1ec3 \u0111o \u0111\u1ed9 nh\u1edbt c\u1ee7a m\u00f4i tr\u01b0\u1eddng?<\/li>\n<li>L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 l\u1ef1a ch\u1ecdn d\u1ee5ng c\u1ee5 ti\u1ebfp x\u00fac ph\u00f9 h\u1ee3p cho c\u00e1c ch\u1ea5t l\u1ecfng c\u00f3 t\u00ednh \u0103n m\u00f2n m\u1ea1nh?<\/li>\n<li>T\u1ea1i sao c\u00e1c th\u00f9ng ch\u1ee9a h\u01a1i n\u01b0\u1edbc c\u1ee7a n\u1ed3i h\u01a1i l\u1ea1i \u01b0a chu\u1ed9ng h\u1ec7 th\u1ed1ng \u00e1p su\u1ea5t ch\u00eanh l\u1ec7ch h\u01a1n so v\u1edbi h\u1ec7 th\u1ed1ng \u00e1p su\u1ea5t n\u1ed5i?<\/li>\n<\/ul>\n<p>D\u1ef1a tr\u00ean nh\u1eefng v\u1ea5n \u0111\u1ec1 th\u1ef1c t\u1ebf ph\u00e1t sinh t\u1ea1i c\u00e1c khu c\u00f4ng nghi\u1ec7p, c\u1ea9m nang n\u00e0y ph\u00e2n t\u00edch m\u1ed9t c\u00e1ch h\u1ec7 th\u1ed1ng c\u00e1c nguy\u00ean t\u1eafc c\u1ed1t l\u00f5i, nh\u1eefng sai s\u00f3t nghi\u00eam tr\u1ecdng v\u00e0 c\u00e1c k\u1ecbch b\u1ea3n \u1ee9ng d\u1ee5ng t\u1ed1i \u01b0u c\u1ee7a 19 lo\u1ea1i thi\u1ebft b\u1ecb \u0111o l\u01b0\u1eddng ph\u1ed5 bi\u1ebfn \u1edf c\u00e1c c\u1ea5p \u0111\u1ed9\/v\u1ecb tr\u00ed kh\u00e1c nhau. Cho d\u00f9 b\u1ea1n \u0111ang tham gia v\u00e0o qu\u00e1 tr\u00ecnh l\u1ef1a ch\u1ecdn thi\u1ebft b\u1ecb, b\u1ea3o tr\u00ec nh\u00e0 m\u00e1y hay ra quy\u1ebft \u0111\u1ecbnh mua s\u1eafm, c\u1ea9m nang n\u00e0y s\u1ebd tr\u1edf th\u00e0nh t\u00e0i li\u1ec7u tham kh\u1ea3o thi\u1ebft y\u1ebfu tr\u00ean b\u00e0n l\u00e0m vi\u1ec7c c\u1ee7a b\u1ea1n.<\/p>\n<hr \/>\n<h2>1. T\u1ea1i sao vi\u1ec7c l\u1ef1a ch\u1ecdn th\u01b0\u1edbc \u0111o m\u1ee9c \u0111\u1ed9 l\u1ea1i kh\u00f3 kh\u0103n \u0111\u1ebfn v\u1eady?<\/h2>\n<p>S\u1ef1 ph\u1ee9c t\u1ea1p c\u1ee7a vi\u1ec7c \u0111o m\u1ee9c xu\u1ea5t ph\u00e1t t\u1eeb ba m\u00e2u thu\u1eabn c\u1ed1t l\u00f5i:<\/p>\n<ul>\n<li><strong>\u0110a d\u1ea1ng truy\u1ec1n th\u00f4ng:<\/strong>\u00a0T\u1eeb d\u1ea7u nh\u1eb9 \u0111\u1ebfn kim lo\u1ea1i n\u00f3ng ch\u1ea3y, t\u1eeb h\u1ea1t b\u1ed9t \u0111\u1ebfn axit v\u00e0 baz\u01a1 m\u1ea1nh.<\/li>\n<li><strong>\u0110i\u1ec1u ki\u1ec7n v\u1eadn h\u00e0nh kh\u1eafc nghi\u1ec7t:<\/strong>\u00a0Nhi\u1ec7t \u0111\u1ed9 v\u00e0 \u00e1p su\u1ea5t cao, m\u00f4i tr\u01b0\u1eddng ch\u00e2n kh\u00f4ng, d\u1ec5 k\u1ebft tinh v\u00e0 c\u00f3 th\u1ec3 treo t\u01b0\u1eddng.<\/li>\n<li><strong>Y\u00eau c\u1ea7u kh\u00e1c bi\u1ec7t:<\/strong>\u00a0Hi\u1ec3n th\u1ecb t\u1ea1i ch\u1ed7, truy\u1ec1n d\u1eabn t\u1eeb xa, kh\u00f3a li\u00ean \u0111\u1ed9ng b\u00e1o \u0111\u1ed9ng, \u0111o l\u01b0\u1eddng th\u01b0\u01a1ng m\u1ea1i<\/li>\n<\/ul>\n<p><strong>\u0110i\u1ec3m m\u1ea5u ch\u1ed1t:<\/strong>\u00a0Kh\u00f4ng c\u00f3 lo\u1ea1i th\u01b0\u1edbc \u0111o m\u1ee9c n\u00e0o l\u00e0 &quot;t\u1ed1t nh\u1ea5t&quot; \u2014 ch\u1ec9 c\u00f3 lo\u1ea1i th\u01b0\u1edbc \u0111o m\u1ee9c &quot;ph\u00f9 h\u1ee3p nh\u1ea5t&quot;.<\/p>\n<hr \/>\n<h2>2. T\u00ecm hi\u1ec3u s\u00e2u v\u1ec1 19 lo\u1ea1i \u0111\u1ed3ng h\u1ed3 \u0111o m\u1ee9c n\u01b0\u1edbc<\/h2>\n<div class=\"gauge-type\">\n<h3>2.1 \u0110\u1ed3ng h\u1ed3 \u0111o c\u1ed9t l\u1eadt t\u1eeb t\u00ednh<\/h3>\n<p><strong>Nguy\u00ean l\u00fd ho\u1ea1t \u0111\u1ed9ng:<\/strong>\u00a0D\u1ef1a tr\u00ean nguy\u00ean l\u00fd b\u00ecnh th\u00f4ng nhau v\u00e0 kh\u1edbp n\u1ed1i t\u1eeb t\u00ednh, phao n\u1ed5i l\u00ean v\u00e0 h\u1ea1 xu\u1ed1ng theo m\u1ef1c ch\u1ea5t l\u1ecfng, l\u00e0m cho c\u00e1c c\u1ed9t l\u1eadt b\u00ean ngo\u00e0i quay.<\/p>\n<p class=\"pros\"><strong>\u01afu \u0111i\u1ec3m:<\/strong>\u00a0Kh\u00f4ng c\u1ea7n ngu\u1ed3n \u0111i\u1ec7n, m\u00e0n h\u00ecnh hi\u1ec3n th\u1ecb c\u1ee5c b\u1ed9 tr\u1ef1c quan, ch\u1ecbu \u0111\u01b0\u1ee3c \u00e1p su\u1ea5t cao.<\/p>\n<p class=\"cons\"><strong>Nh\u01b0\u1ee3c \u0111i\u1ec3m:<\/strong>\u00a0Kh\u00f4ng th\u00edch h\u1ee3p cho m\u00f4i tr\u01b0\u1eddng ch\u1ee9a t\u1ea1p ch\u1ea5t t\u1eeb t\u00ednh, d\u1ec5 b\u1ecb k\u1eb9t, v\u00f9ng m\u00f9 l\u1edbn.<\/p>\n<div class=\"recommendation\"><strong>\u0110\u1ec1 xu\u1ea5t l\u1ef1a ch\u1ecdn:<\/strong>\u00a0Th\u00edch h\u1ee3p \u0111\u1ec3 ch\u1ec9 th\u1ecb c\u1ee5c b\u1ed9 cho h\u1ea7u h\u1ebft c\u00e1c lo\u1ea1i th\u00f9ng ch\u1ee9a h\u1edf\/k\u00edn. N\u1ebfu m\u00f4i ch\u1ea5t c\u00f3 xu h\u01b0\u1edbng k\u1ebft tinh, h\u00e3y c\u00e2n nh\u1eafc s\u1eed d\u1ee5ng l\u1edbp v\u1ecf b\u1ecdc b\u1eb1ng h\u01a1i n\u01b0\u1edbc ho\u1eb7c \u0111\u1ed3ng h\u1ed3 \u0111o m\u1ee9c b\u1eb1ng radar.<\/div>\n<\/div>\n<div class=\"gauge-type\">\n<h3>2.2 <a href=\"https:\/\/www.yunrui-controls.com\/vi\/brands\/endress-hauser\/float-switch-level-measurement\/\">C\u00f4ng t\u1eafc m\u1ee9c phao<\/a><\/h3>\n<p><strong>Nguy\u00ean l\u00fd ho\u1ea1t \u0111\u1ed9ng:<\/strong>\u00a0Phao ch\u1ee9a m\u1ed9t nam ch\u00e2m v\u0129nh c\u1eedu, \u0111i\u1ec1u khi\u1ec3n vi\u1ec7c \u0111\u00f3ng c\u00f4ng t\u1eafc t\u1eeb khi m\u1ef1c ch\u1ea5t l\u1ecfng thay \u0111\u1ed5i.<\/p>\n<p class=\"pros\"><strong>\u01afu \u0111i\u1ec3m:<\/strong>\u00a0C\u1ea5u tr\u00fac \u0111\u01a1n gi\u1ea3n, chi ph\u00ed th\u1ea5p, \u0111\u1ea7u ra chuy\u1ec3n m\u1ea1ch \u0111\u00e1ng tin c\u1eady.<\/p>\n<p class=\"cons\"><strong>Nh\u01b0\u1ee3c \u0111i\u1ec3m:<\/strong>\u00a0Nhi\u1ec1u b\u1ed9 ph\u1eadn chuy\u1ec3n \u0111\u1ed9ng c\u01a1 kh\u00ed, b\u1ecb \u1ea3nh h\u01b0\u1edfng b\u1edfi b\u1ecdt, ch\u1ec9 th\u00edch h\u1ee3p cho \u0111i\u1ec1u khi\u1ec3n b\u1eb1ng c\u00f4ng t\u1eafc.<\/p>\n<div class=\"recommendation\"><strong>\u0110\u1ec1 xu\u1ea5t l\u1ef1a ch\u1ecdn:<\/strong>\u00a0Thi\u1ebft b\u1ecb b\u00e1o \u0111\u1ed9ng m\u1ee9c cao\/th\u1ea5p cho b\u1ec3 ch\u1ee9a n\u01b0\u1edbc v\u00e0 b\u1ec3 ch\u1ee9a d\u1ea7u; kh\u00f4ng th\u00edch h\u1ee3p cho m\u00f4i ch\u1ea5t nh\u1edbt ho\u1eb7c ch\u1ee9a ch\u1ea5t r\u1eafn.<\/div>\n<\/div>\n<div class=\"gauge-type\">\n<h3>2.3 <a href=\"https:\/\/www.yunrui-controls.com\/vi\/brands\/endress-hauser\/radar-level-measurement\/\">\u0110\u1ed3ng h\u1ed3 \u0111o m\u1ee9c radar<\/a><\/h3>\n<p><strong>Nguy\u00ean l\u00fd ho\u1ea1t \u0111\u1ed9ng:<\/strong>\u00a0Ph\u00e1t ra c\u00e1c xung vi s\u00f3ng t\u1ea7n s\u1ed1 cao, t\u00ednh to\u00e1n kho\u1ea3ng c\u00e1ch th\u00f4ng qua s\u1ef1 kh\u00e1c bi\u1ec7t v\u1ec1 th\u1eddi gian v\u1ecdng \u00e2m (ToF).<\/p>\n<p class=\"pros\"><strong>\u01afu \u0111i\u1ec3m:<\/strong>\u00a0\u0110o kh\u00f4ng ti\u1ebfp x\u00fac, \u1ea3nh h\u01b0\u1edfng t\u1ed1i thi\u1ec3u c\u1ee7a ph\u01b0\u01a1ng ti\u1ec7n truy\u1ec1n th\u00f4ng, \u0111\u1ed9 ch\u00ednh x\u00e1c cao.<\/p>\n<p class=\"cons\"><strong>Nh\u01b0\u1ee3c \u0111i\u1ec3m:<\/strong>\u00a0Gi\u00e1 th\u00e0nh cao h\u01a1n, b\u1ecdt v\u00e0 h\u01a1i n\u01b0\u1edbc g\u00e2y nhi\u1ec5u t\u00edn hi\u1ec7u nghi\u00eam tr\u1ecdng, hi\u1ec7n t\u01b0\u1ee3ng v\u1ecdng \u00e2m gi\u1ea3 xu\u1ea5t hi\u1ec7n.<\/p>\n<div class=\"recommendation\"><strong>\u0110\u1ec1 xu\u1ea5t l\u1ef1a ch\u1ecdn:<\/strong>\u00a0L\u1ef1a ch\u1ecdn h\u00e0ng \u0111\u1ea7u cho m\u00f4i tr\u01b0\u1eddng nhi\u1ec7t \u0111\u1ed9\/\u00e1p su\u1ea5t cao, \u0103n m\u00f2n m\u1ea1nh, d\u1ec5 ch\u00e1y v\u00e0 n\u1ed5. Ph\u00e2n bi\u1ec7t gi\u1eefa \u1ee9ng d\u1ee5ng radar s\u00f3ng d\u1eabn h\u01b0\u1edbng (GWR) v\u00e0 \u0103ng-ten d\u1ea1ng loa ti\u00eau chu\u1ea9n.<\/div>\n<\/div>\n<div class=\"gauge-type\">\n<h3>2.4 \u0110\u1ed3ng h\u1ed3 \u0111o m\u1ee9c t\u1eeb bi\u1ebfn<\/h3>\n<p><strong>Nguy\u00ean l\u00fd ho\u1ea1t \u0111\u1ed9ng:<\/strong>\u00a0S\u1eed d\u1ee5ng hi\u1ec7u \u1ee9ng t\u1eeb bi\u1ebfn, \u0111o th\u1eddi gian s\u00f3ng xo\u1eafn \u0111\u01b0\u1ee3c t\u1ea1o ra b\u1edfi t\u1eeb tr\u01b0\u1eddng c\u1ee7a phao.<\/p>\n<p class=\"pros\"><strong>\u01afu \u0111i\u1ec3m:<\/strong>\u00a0\u0110\u1ed9 ch\u00ednh x\u00e1c c\u1ef1c cao (\u00b10,5mm), \u0111\u1ed9 ph\u00e2n gi\u1ea3i cao, c\u00f3 th\u1ec3 \u0111o c\u1ea3 \u0111\u1ed9 ph\u1eb3ng v\u00e0 giao di\u1ec7n.<\/p>\n<p class=\"cons\"><strong>Nh\u01b0\u1ee3c \u0111i\u1ec3m:<\/strong>\u00a0Phao ph\u1ea3i di chuy\u1ec3n t\u1ef1 do, nh\u1ea1y c\u1ea3m v\u1edbi rung \u0111\u1ed9ng m\u1ea1nh, y\u00eau c\u1ea7u l\u1eafp \u0111\u1eb7t nghi\u00eam ng\u1eb7t.<\/p>\n<div class=\"recommendation\"><strong>\u0110\u1ec1 xu\u1ea5t l\u1ef1a ch\u1ecdn:<\/strong>\u00a0\u0110o l\u01b0\u1eddng ch\u00ednh x\u00e1c cao v\u00e0 b\u00e0n giao th\u01b0\u01a1ng m\u1ea1i cho c\u00e1c b\u1ec3 ch\u1ee9a d\u1ea7u kh\u00ed v\u00e0 h\u00f3a ch\u1ea5t.<\/div>\n<\/div>\n<div class=\"gauge-type\">\n<h3>2.5 <a href=\"https:\/\/www.yunrui-controls.com\/vi\/brands\/endress-hauser\/ultrasonic-level-measurement\/\">B\u1ed9 truy\u1ec1n t\u00edn hi\u1ec7u m\u1ee9c si\u00eau \u00e2m<\/a><\/h3>\n<p><strong>Nguy\u00ean l\u00fd ho\u1ea1t \u0111\u1ed9ng:<\/strong>\u00a0Ph\u00e1t ra s\u00f3ng si\u00eau \u00e2m, t\u00ednh to\u00e1n m\u1ee9c \u0111\u1ed9 th\u00f4ng qua th\u1eddi gian truy\u1ec1n kh\u1ee9 h\u1ed3i c\u1ee7a s\u00f3ng \u00e2m, c\u1ea7n c\u00f3 s\u1ef1 b\u00f9 nhi\u1ec7t \u0111\u1ed9.<\/p>\n<p class=\"pros\"><strong>\u01afu \u0111i\u1ec3m:<\/strong>\u00a0Ho\u00e0n to\u00e0n kh\u00f4ng ti\u1ebfp x\u00fac, d\u1ec5 l\u1eafp \u0111\u1eb7t, kh\u00f4ng c\u00f3 b\u1ed9 ph\u1eadn c\u01a1 kh\u00ed.<\/p>\n<p class=\"cons\"><strong>Nh\u01b0\u1ee3c \u0111i\u1ec3m:<\/strong>\u00a0B\u1ecb \u1ea3nh h\u01b0\u1edfng nghi\u00eam tr\u1ecdng b\u1edfi b\u1ee5i, b\u1ecdt, h\u01a1i n\u01b0\u1edbc, ph\u1ea1m vi ho\u1ea1t \u0111\u1ed9ng h\u1ea1n ch\u1ebf, d\u1ec5 b\u1ecb ng\u01b0ng t\u1ee5 h\u01a1i n\u01b0\u1edbc \u1edf nhi\u1ec7t \u0111\u1ed9 th\u1ea5p.<\/p>\n<div class=\"recommendation\"><strong>\u0110\u1ec1 xu\u1ea5t l\u1ef1a ch\u1ecdn:<\/strong>\u00a0X\u1eed l\u00fd n\u01b0\u1edbc, k\u00eanh h\u1edf, n\u01b0\u1edbc s\u1ea1ch ho\u1eb7c m\u00f4i tr\u01b0\u1eddng axit\/ki\u1ec1m y\u1ebfu \u1edf nhi\u1ec7t \u0111\u1ed9 v\u00e0 \u00e1p su\u1ea5t m\u00f4i tr\u01b0\u1eddng xung quanh.<\/div>\n<\/div>\n<div class=\"gauge-type\">\n<h3>2.6 B\u1ed9 truy\u1ec1n t\u00edn hi\u1ec7u \u00e1p su\u1ea5t ch\u00eanh l\u1ec7ch m\u1ee9c<\/h3>\n<p><strong>Nguy\u00ean l\u00fd ho\u1ea1t \u0111\u1ed9ng:<\/strong>\u00a0T\u00ednh to\u00e1n m\u1ee9c ch\u1ea5t l\u1ecfng b\u1eb1ng c\u00e1ch \u0111o s\u1ef1 ch\u00eanh l\u1ec7ch \u00e1p su\u1ea5t gi\u1eefa \u0111\u00e1y b\u00ecnh v\u00e0 kh\u00f4ng gian h\u01a1i (\u0394P = \u03c1gH).<\/p>\n<p class=\"pros\"><strong>\u01afu \u0111i\u1ec3m:<\/strong>\u00a0C\u00f4ng ngh\u1ec7 ti\u00ean ti\u1ebfn, \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh cao, ph\u00f9 h\u1ee3p cho c\u00e1c b\u00ecnh ch\u1ecbu \u00e1p l\u1ef1c.<\/p>\n<p class=\"cons\"><strong>Nh\u01b0\u1ee3c \u0111i\u1ec3m:<\/strong>\u00a0C\u1ea7n c\u00f3 h\u1ec7 th\u1ed1ng \u0111\u01b0\u1eddng \u1ed1ng d\u1eabn xung, ch\u1ecbu \u1ea3nh h\u01b0\u1edfng l\u1edbn b\u1edfi s\u1ef1 thay \u0111\u1ed5i m\u1eadt \u0111\u1ed9 m\u00f4i ch\u1ea5t, hi\u1ec7n t\u01b0\u1ee3ng di chuy\u1ec3n ng\u01b0\u1ee3c chi\u1ec1u d\u1ec5 g\u00e2y t\u1eafc ngh\u1ebdn.<\/p>\n<div class=\"recommendation\"><strong>\u0110\u1ec1 xu\u1ea5t l\u1ef1a ch\u1ecdn:<\/strong>\u00a0Gi\u1ea3i ph\u00e1p kinh \u0111i\u1ec3n cho c\u00e1c b\u00ecnh ch\u1ee9a k\u00edn ch\u1ecbu \u00e1p su\u1ea5t nh\u01b0 th\u00f9ng ch\u1ee9a h\u01a1i n\u01b0\u1edbc n\u1ed3i h\u01a1i v\u00e0 l\u00f2 ph\u1ea3n \u1ee9ng, \u0111\u1eb7c bi\u1ec7t l\u00e0 \u0111\u1ed1i v\u1edbi m\u00f4i ch\u1ea5t nhi\u1ec7t \u0111\u1ed9 cao (v\u1edbi gio\u0103ng m\u00e0ng hai m\u1eb7t b\u00edch).<\/div>\n<\/div>\n<div class=\"gauge-type\">\n<h3>2.7 C\u1ea3m bi\u1ebfn m\u1ee9c \u0111i\u1ec7n dung<\/h3>\n<p><strong>Nguy\u00ean l\u00fd ho\u1ea1t \u0111\u1ed9ng:<\/strong>\u00a0Ph\u01b0\u01a1ng ph\u00e1p n\u00e0y t\u1eadn d\u1ee5ng s\u1ef1 thay \u0111\u1ed5i \u0111i\u1ec7n dung gi\u1eefa \u0111\u1ea7u d\u00f2 v\u00e0 th\u00e0nh m\u1ea1ch (s\u1ef1 kh\u00e1c bi\u1ec7t v\u1ec1 h\u1eb1ng s\u1ed1 \u0111i\u1ec7n m\u00f4i).<\/p>\n<p class=\"pros\"><strong>\u01afu \u0111i\u1ec3m:<\/strong>\u00a0C\u00f3 th\u1ec3 \u0111o l\u01b0\u1eddng b\u1ed9t r\u1eafn, c\u1ea5u tr\u00fac \u0111\u01a1n gi\u1ea3n.<\/p>\n<p class=\"cons\"><strong>Nh\u01b0\u1ee3c \u0111i\u1ec3m:<\/strong>\u00a0S\u1ef1 t\u00edch t\u1ee5 c\u1eb7n b\u1ea9n tr\u00ean th\u00e0nh b\u00ecnh \u1ea3nh h\u01b0\u1edfng nghi\u00eam tr\u1ecdng \u0111\u1ebfn \u0111\u1ed9 ch\u00ednh x\u00e1c, \u0111\u00f2i h\u1ecfi ph\u1ea3i hi\u1ec7u ch\u1ec9nh l\u1ea1i.<\/p>\n<div class=\"recommendation\"><strong>\u0110\u1ec1 xu\u1ea5t l\u1ef1a ch\u1ecdn:<\/strong>\u00a0\u0110o m\u1ee9c ch\u1ea5t r\u1eafn kh\u00f4 trong silo ch\u1ee9a b\u1ed9t than v\u00e0 h\u1ea1t nh\u1ef1a.<\/div>\n<\/div>\n<div class=\"gauge-type\">\n<h3>2.8 \u0110\u1ed3ng h\u1ed3 \u0111o m\u1ee9c \u0111\u1ed9 d\u1eabn RF<\/h3>\n<p><strong>Nguy\u00ean l\u00fd ho\u1ea1t \u0111\u1ed9ng:<\/strong>\u00a0C\u00f4ng ngh\u1ec7 \u0111i\u1ec7n dung \u0111\u01b0\u1ee3c n\u00e2ng c\u1ea5p v\u1edbi ph\u00e9p \u0111o tr\u1edf kh\u00e1ng \u0111\u1ec3 lo\u1ea1i b\u1ecf hi\u1ec7u \u1ee9ng t\u00edch t\u1ee5 tr\u00ean th\u00e0nh t\u1ee5.<\/p>\n<p class=\"pros\"><strong>\u01afu \u0111i\u1ec3m:<\/strong>\u00a0Kh\u1ea3 n\u0103ng ch\u1ed1ng t\u00edch t\u1ee5 \u0111i\u1ec7n t\u1ed1t h\u01a1n so v\u1edbi t\u1ee5 \u0111i\u1ec7n, t\u00ednh linh ho\u1ea1t cao.<\/p>\n<p class=\"cons\"><strong>Nh\u01b0\u1ee3c \u0111i\u1ec3m:<\/strong>\u00a0V\u1eabn b\u1ecb \u1ea3nh h\u01b0\u1edfng b\u1edfi s\u1ef1 thay \u0111\u1ed5i h\u1eb1ng s\u1ed1 \u0111i\u1ec7n m\u00f4i c\u1ee7a m\u00f4i tr\u01b0\u1eddng.<\/p>\n<div class=\"recommendation\"><strong>\u0110\u1ec1 xu\u1ea5t l\u1ef1a ch\u1ecdn:<\/strong>\u00a0\u0110o li\u00ean t\u1ee5c c\u00e1c v\u1eadt li\u1ec7u c\u00f3 \u0111\u1ed9 nh\u1edbt cao, h\u1ed7n h\u1ee3p s\u1ec7t v\u00e0 n\u1ed3ng \u0111\u1ed9 ch\u1ea5t r\u1eafn.<\/div>\n<\/div>\n<div class=\"gauge-type\">\n<h3>2.9 B\u1ed9 truy\u1ec1n t\u00edn hi\u1ec7u m\u1ee9c th\u1ee7y t\u0129nh<\/h3>\n<p><strong>Nguy\u00ean l\u00fd ho\u1ea1t \u0111\u1ed9ng:<\/strong>\u00a0\u0110o tr\u1ef1c ti\u1ebfp \u00e1p su\u1ea5t t\u0129nh \u0111\u00e1y ch\u1ea5t l\u1ecfng (P = \u03c1gH).<\/p>\n<p class=\"pros\"><strong>\u01afu \u0111i\u1ec3m:<\/strong>\u00a0L\u1eafp \u0111\u1eb7t \u0111\u01a1n gi\u1ea3n, chi ph\u00ed c\u1ef1c th\u1ea5p.<\/p>\n<p class=\"cons\"><strong>Nh\u01b0\u1ee3c \u0111i\u1ec3m:<\/strong>\u00a0D\u00e2y c\u00e1p d\u1ec5 b\u1ecb \u0103n m\u00f2n, b\u1ecb \u1ea3nh h\u01b0\u1edfng b\u1edfi s\u1ef1 nhi\u1ec5u lo\u1ea1n do b\u1ecdt kh\u00ed, s\u1ef1 thay \u0111\u1ed5i m\u1eadt \u0111\u1ed9 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn k\u1ebft qu\u1ea3 \u0111o.<\/p>\n<div class=\"recommendation\"><strong>\u0110\u1ec1 xu\u1ea5t l\u1ef1a ch\u1ecdn:<\/strong>\u00a0Ph\u01b0\u01a1ng ph\u00e1p gi\u00e1m s\u00e1t \u0111\u01a1n gi\u1ea3n c\u00e1c gi\u1ebfng n\u01b0\u1edbc ng\u1ea7m, b\u1ec3 ch\u1ee9a n\u01b0\u1edbc th\u1ea3i v\u00e0 c\u00e1c ngu\u1ed3n n\u01b0\u1edbc m\u1edf.<\/div>\n<\/div>\n<div class=\"gauge-type\">\n<h3>2.10 Th\u01b0\u1edbc \u0111o \u0111\u1ed9 ph\u1eb3ng th\u1ee7y tinh<\/h3>\n<p><strong>Nguy\u00ean l\u00fd ho\u1ea1t \u0111\u1ed9ng:<\/strong>\u00a0Nguy\u00ean l\u00fd b\u00ecnh th\u00f4ng nhau, \u0111\u1ecdc tr\u1ef1c ti\u1ebfp b\u1eb1ng m\u1eaft th\u01b0\u1eddng.<\/p>\n<p class=\"pros\"><strong>\u01afu \u0111i\u1ec3m:<\/strong>\u00a0Kh\u00f4ng ti\u00eau th\u1ee5 \u0111i\u1ec7n n\u0103ng, \u0111\u1ecdc d\u1eef li\u1ec7u tr\u1ef1c ti\u1ebfp, kh\u00f4ng c\u1ea7n hi\u1ec7u chu\u1ea9n.<\/p>\n<p class=\"cons\"><strong>Nh\u01b0\u1ee3c \u0111i\u1ec3m:<\/strong>\u00a0D\u1ec5 v\u1ee1, kh\u00f4ng ch\u1ecbu \u0111\u01b0\u1ee3c \u00e1p l\u1ef1c, ti\u1ec1m \u1ea9n r\u1ee7i ro an to\u00e0n (\u0111\u1eb7c bi\u1ec7t trong c\u00e1c \u1ee9ng d\u1ee5ng \u00e1p su\u1ea5t cao)<\/p>\n<div class=\"recommendation\"><strong>\u0110\u1ec1 xu\u1ea5t l\u1ef1a ch\u1ecdn:<\/strong>\u00a0C\u00e1c b\u00ecnh ch\u1ee9a \u00e1p su\u1ea5t kh\u00ed quy\u1ec3n nh\u1ecf, thi\u1ebft b\u1ecb ph\u00f2ng th\u00ed nghi\u1ec7m, ho\u1eb7c d\u00f9ng l\u00e0m v\u1eadt d\u1ee5ng so s\u00e1nh ph\u1ee5 tr\u1ee3 cho c\u00e1c thi\u1ebft b\u1ecb kh\u00e1c.<\/div>\n<\/div>\n<div class=\"gauge-type\">\n<h3>2.11 B\u1ed9 truy\u1ec1n m\u1ee9c d\u1ecbch chuy\u1ec3n<\/h3>\n<p><strong>Nguy\u00ean l\u00fd ho\u1ea1t \u0111\u1ed9ng:<\/strong>\u00a0D\u1ef1a tr\u00ean nguy\u00ean l\u00fd l\u1ef1c \u0111\u1ea9y c\u1ee7a Archimedes, s\u1ef1 d\u1ecbch chuy\u1ec3n c\u1ee7a b\u1ed9 ph\u1eadn d\u1ecbch chuy\u1ec3n t\u1ea1o ra s\u1ef1 thay \u0111\u1ed5i g\u00f3c c\u1ee7a \u1ed1ng xo\u1eafn.<\/p>\n<p class=\"pros\"><strong>\u01afu \u0111i\u1ec3m:<\/strong>\u00a0Th\u00edch h\u1ee3p cho vi\u1ec7c \u0111o giao di\u1ec7n, ch\u1ecbu \u0111\u01b0\u1ee3c nhi\u1ec7t \u0111\u1ed9 v\u00e0 \u00e1p su\u1ea5t cao.<\/p>\n<p class=\"cons\"><strong>Nh\u01b0\u1ee3c \u0111i\u1ec3m:<\/strong>\u00a0C\u1ea5u tr\u00fac c\u01a1 kh\u00ed ph\u1ee9c t\u1ea1p, kh\u00f3 b\u1ea3o tr\u00ec, b\u1ecb \u1ea3nh h\u01b0\u1edfng b\u1edfi s\u1ef1 thay \u0111\u1ed5i m\u1eadt \u0111\u1ed9.<\/p>\n<div class=\"recommendation\"><strong>\u0110\u1ec1 xu\u1ea5t l\u1ef1a ch\u1ecdn:<\/strong>\u00a0Ki\u1ec3m so\u00e1t m\u1ee9c \u0111\u1ed9 v\u00e0 giao di\u1ec7n cho th\u00e1p ph\u00e2n t\u00e1ch l\u1ecdc d\u1ea7u v\u00e0 b\u1ec3 ch\u1ee9a d\u1ea7u n\u1eb7ng.<\/div>\n<\/div>\n<div class=\"gauge-type\">\n<h3>2.12 C\u00f4ng t\u1eafc m\u1ee9c \u0111i\u1ec7n c\u1ef1c<\/h3>\n<p><strong>Nguy\u00ean l\u00fd ho\u1ea1t \u0111\u1ed9ng:<\/strong>\u00a0Nguy\u00ean l\u00fd ho\u1ea1t \u0111\u1ed9ng d\u1ef1a tr\u00ean s\u1ef1 kh\u00e1c bi\u1ec7t v\u1ec1 \u0111\u1ed9 d\u1eabn \u0111i\u1ec7n gi\u1eefa n\u01b0\u1edbc v\u00e0 h\u01a1i n\u01b0\u1edbc; m\u1ea1ch \u0111i\u1ec7n d\u1eabn \u0111i\u1ec7n khi \u0111i\u1ec7n c\u1ef1c \u0111\u01b0\u1ee3c nh\u00fang v\u00e0o n\u01b0\u1edbc.<\/p>\n<p class=\"pros\"><strong>\u01afu \u0111i\u1ec3m:<\/strong>\u00a0M\u1ea1ch logic \u0111\u01a1n gi\u1ea3n, ch\u1ecbu \u0111\u01b0\u1ee3c \u00e1p su\u1ea5t v\u00e0 nhi\u1ec7t \u0111\u1ed9 cao, h\u1ec7 th\u1ed1ng c\u1ea3nh b\u00e1o \u0111\u00e1ng tin c\u1eady.<\/p>\n<p class=\"cons\"><strong>Nh\u01b0\u1ee3c \u0111i\u1ec3m:<\/strong>\u00a0\u0110i\u1ec7n c\u1ef1c d\u1ec5 b\u1ecb h\u1ecfng do \u0111\u00f3ng c\u1eb7n, ch\u1ec9 d\u00f9ng cho ch\u1ea5t l\u1ecfng d\u1eabn \u0111i\u1ec7n.<\/p>\n<div class=\"recommendation\"><strong>\u0110\u1ec1 xu\u1ea5t l\u1ef1a ch\u1ecdn:<\/strong>\u00a0Ti\u00eau chu\u1ea9n c\u1ed5 \u0111i\u1ec3n \u0111\u1ec3 gi\u00e1m s\u00e1t m\u1ef1c n\u01b0\u1edbc trong th\u00f9ng ch\u1ee9a h\u01a1i n\u01b0\u1edbc c\u1ee7a n\u1ed3i h\u01a1i.<\/div>\n<\/div>\n<div class=\"gauge-type\">\n<h3>2.13 C\u00f4ng t\u1eafc m\u1ee9c \u00e2m thoa<\/h3>\n<p><strong>Nguy\u00ean l\u00fd ho\u1ea1t \u0111\u1ed9ng:<\/strong>\u00a0Tinh th\u1ec3 \u00e1p \u0111i\u1ec7n \u0111i\u1ec1u khi\u1ec3n s\u1ef1 rung \u0111\u1ed9ng c\u1ee7a \u00e2m thoa, bi\u00ean \u0111\u1ed9\/t\u1ea7n s\u1ed1 thay \u0111\u1ed5i khi ti\u1ebfp x\u00fac v\u1edbi v\u1eadt li\u1ec7u.<\/p>\n<p class=\"pros\"><strong>\u01afu \u0111i\u1ec3m:<\/strong>\u00a0Kh\u00f4ng b\u1ecb \u1ea3nh h\u01b0\u1edfng b\u1edfi b\u1ecdt, \u00e1nh s\u00e1ng ho\u1eb7c b\u1ee5i, kh\u00f4ng c\u1ea7n b\u1ea3o tr\u00ec.<\/p>\n<p class=\"cons\"><strong>Nh\u01b0\u1ee3c \u0111i\u1ec3m:<\/strong>\u00a0M\u1ec7t m\u1ecfi c\u01a1 h\u1ecdc, kh\u00f4ng th\u00edch h\u1ee3p cho m\u00f4i ch\u1ea5t c\u00f3 \u0111\u1ed9 nh\u1edbt c\u1ef1c cao.<\/p>\n<div class=\"recommendation\"><strong>\u0110\u1ec1 xu\u1ea5t l\u1ef1a ch\u1ecdn:<\/strong>\u00a0Thi\u1ebft b\u1ecb b\u00e1o \u0111\u1ed9ng m\u1ee9c cao\/th\u1ea5p cho nhi\u1ec1u lo\u1ea1i ch\u1ea5t l\u1ecfng v\u00e0 ch\u1ea5t r\u1eafn, \u0111\u1eb7c bi\u1ec7t th\u00edch h\u1ee3p cho ng\u00e0nh c\u00f4ng nghi\u1ec7p th\u1ef1c ph\u1ea9m v\u00e0 d\u01b0\u1ee3c ph\u1ea9m (lo\u1ea1i v\u1ec7 sinh).<\/div>\n<\/div>\n<div class=\"gauge-type\">\n<h3>2.14 Th\u01b0\u1edbc \u0111o \u0111\u1ed9 b\u1eb1ng b\u0103ng th\u00e9p<\/h3>\n<p><strong>Nguy\u00ean l\u00fd ho\u1ea1t \u0111\u1ed9ng:<\/strong>\u00a0Phao \u0111\u01b0\u1ee3c n\u1ed1i v\u1edbi b\u1ed9 \u0111\u1ebfm th\u00f4ng qua b\u0103ng th\u00e9p, c\u01a1 c\u1ea5u truy\u1ec1n \u0111\u1ed9ng c\u01a1 h\u1ecdc hi\u1ec3n th\u1ecb m\u1ee9c ch\u1ea5t l\u1ecfng.<\/p>\n<p class=\"pros\"><strong>\u01afu \u0111i\u1ec3m:<\/strong>\u00a0Lo\u1ea1i c\u01a1 h\u1ecdc kh\u00f4ng c\u1ea7n ngu\u1ed3n \u0111i\u1ec7n, c\u00f3 th\u1ec3 \u0111\u1ecdc d\u1eef li\u1ec7u t\u1ea1i ch\u1ed7 v\u00e0 truy\u1ec1n d\u1eef li\u1ec7u t\u1eeb xa.<\/p>\n<p class=\"cons\"><strong>Nh\u01b0\u1ee3c \u0111i\u1ec3m:<\/strong>\u00a0Nhi\u1ec1u b\u1ed9 ph\u1eadn, kh\u1ed1i l\u01b0\u1ee3ng c\u00f4ng vi\u1ec7c b\u1ea3o tr\u00ec n\u1eb7ng n\u1ec1, b\u0103ng th\u00e9p d\u1ec5 b\u1ecb k\u1eb9t.<\/p>\n<div class=\"recommendation\"><strong>\u0110\u1ec1 xu\u1ea5t l\u1ef1a ch\u1ecdn:<\/strong>\u00a0N\u00e2ng c\u1ea5p h\u1ec7 th\u1ed1ng b\u1ec3 ch\u1ee9a c\u0169, c\u00e1c b\u1ec3 ch\u1ee9a \u1edf v\u00f9ng h\u1ebbo l\u00e1nh kh\u00f4ng c\u00f3 ngu\u1ed3n \u0111i\u1ec7n.<\/div>\n<\/div>\n<div class=\"gauge-type\">\n<h3>2.15 \u0110\u1ed3ng h\u1ed3 \u0111o \u0111\u1ed9 d\u1ecbch chuy\u1ec3n th\u00f4ng minh<\/h3>\n<p><strong>Nguy\u00ean l\u00fd ho\u1ea1t \u0111\u1ed9ng:<\/strong>\u00a0L\u1ef1c d\u1ecbch chuy\u1ec3n \u0111\u01b0\u1ee3c truy\u1ec1n \u0111\u1ebfn c\u1ea3m bi\u1ebfn th\u00f4ng qua kh\u1edbp n\u1ed1i t\u1eeb t\u00ednh, \u0111\u01b0\u1ee3c x\u1eed l\u00fd k\u1ef9 thu\u1eadt s\u1ed1.<\/p>\n<p class=\"pros\"><strong>\u01afu \u0111i\u1ec3m:<\/strong>\u00a0Th\u00f4ng minh, c\u00f3 th\u1ec3 \u0111o m\u1eadt \u0111\u1ed9 v\u00e0 giao di\u1ec7n, giao ti\u1ebfp HART.<\/p>\n<p class=\"cons\"><strong>Nh\u01b0\u1ee3c \u0111i\u1ec3m:<\/strong>\u00a0T\u01b0\u01a1ng t\u1ef1 nh\u01b0 b\u1ed9 ph\u1eadn d\u1ecbch chuy\u1ec3n truy\u1ec1n th\u1ed1ng, nh\u1ea1y c\u1ea3m v\u1edbi s\u1ef1 bi\u1ebfn \u0111\u1ed9ng m\u1eadt \u0111\u1ed9.<\/p>\n<div class=\"recommendation\"><strong>\u0110\u1ec1 xu\u1ea5t l\u1ef1a ch\u1ecdn:<\/strong>\u00a0C\u00e1c nh\u00e0 m\u00e1y hi\u1ec7n \u0111\u1ea1i y\u00eau c\u1ea7u gi\u00e1m s\u00e1t t\u1eeb xa v\u00e0 b\u00f9 m\u1eadt \u0111\u1ed9.<\/div>\n<\/div>\n<div class=\"gauge-type\">\n<h3>2.16 \u0110\u1ed3ng h\u1ed3 \u0111o t\u1eeb \u0111i\u1ec7n t\u1eed<\/h3>\n<p><strong>Nguy\u00ean l\u00fd ho\u1ea1t \u0111\u1ed9ng:<\/strong>\u00a0C\u1ea3m bi\u1ebfn t\u1eeb t\u00ednh ph\u00e1t hi\u1ec7n v\u1ecb tr\u00ed phao, m\u00e0n h\u00ecnh LED hai m\u00e0u.<\/p>\n<p class=\"pros\"><strong>\u01afu \u0111i\u1ec3m:<\/strong>\u00a0T\u1ea7m nh\u00ecn ban \u0111\u00eam t\u1ed1t, m\u00e0n h\u00ecnh hi\u1ec3n th\u1ecb n\u1ed5i b\u1eadt, kh\u00f4ng c\u00f3 v\u00f9ng m\u00f9.<\/p>\n<p class=\"cons\"><strong>Nh\u01b0\u1ee3c \u0111i\u1ec3m:<\/strong>\u00a0D\u1ef1a v\u00e0o c\u00e1c linh ki\u1ec7n \u0111i\u1ec7n t\u1eed, \u0111\u1ed9 tin c\u1eady l\u00e2u d\u00e0i c\u1ea7n \u0111\u01b0\u1ee3c ki\u1ec3m ch\u1ee9ng.<\/p>\n<div class=\"recommendation\"><strong>\u0110\u1ec1 xu\u1ea5t l\u1ef1a ch\u1ecdn:<\/strong>\u00a0Ph\u00f2ng \u0111i\u1ec1u khi\u1ec3n ho\u1eb7c s\u00e0n v\u1eadn h\u00e0nh y\u00eau c\u1ea7u quan s\u00e1t t\u1eeb xa \u1edf c\u00f9ng m\u1ed9t \u0111\u1ed9 cao.<\/div>\n<\/div>\n<div class=\"gauge-type\">\n<h3>2.17 \u0110\u1ed3ng h\u1ed3 \u0111o m\u1ee9c g\u1eafn ngo\u00e0i<\/h3>\n<p><strong>Nguy\u00ean l\u00fd ho\u1ea1t \u0111\u1ed9ng:<\/strong>\u00a0Thi\u1ebft b\u1ecb \u0111o si\u00eau \u00e2m g\u1eafn t\u01b0\u1eddng, ph\u00e2n t\u00edch rung \u0111\u1ed9ng si\u00eau nh\u1ecf c\u1ee7a th\u00e0nh b\u1ec3 ch\u1ee9a.<\/p>\n<p class=\"pros\"><strong>\u01afu \u0111i\u1ec3m:<\/strong>\u00a0Kh\u00f4ng c\u1ea7n khoan, kh\u00f4ng c\u1ea7n h\u00e0n nhi\u1ec7t, kh\u00f4ng \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn t\u00ednh to\u00e0n v\u1eb9n c\u1ee7a t\u00e0u.<\/p>\n<p class=\"cons\"><strong>Nh\u01b0\u1ee3c \u0111i\u1ec3m:<\/strong>\u00a0Nh\u1ea1y c\u1ea3m v\u1edbi \u0111\u1ed9 d\u00e0y v\u00e0 v\u1eadt li\u1ec7u th\u00e0nh b\u1ec3, thu\u1eadt to\u00e1n ph\u1ee9c t\u1ea1p, gi\u00e1 th\u00e0nh cao.<\/p>\n<div class=\"recommendation\"><strong>\u0110\u1ec1 xu\u1ea5t l\u1ef1a ch\u1ecdn:<\/strong>\u00a0C\u00e1c m\u00f4i tr\u01b0\u1eddng nguy hi\u1ec3m (ch\u1ea5t th\u1ea3i h\u1ea1t nh\u00e2n, h\u00f3a ch\u1ea5t c\u1ef1c \u0111\u1ed9c) ho\u1eb7c c\u00e1c b\u1ec3 ch\u1ee9a kh\u00f4ng th\u1ec3 \u0111\u00f3ng k\u00edn \u0111\u1ec3 ph\u1ee5c v\u1ee5 c\u00f4ng t\u00e1c khoan.<\/div>\n<\/div>\n<div class=\"gauge-type\">\n<h3>2.18 Phao v\u00e0 th\u01b0\u1edbc d\u00e2y<\/h3>\n<p><strong>Nguy\u00ean l\u00fd ho\u1ea1t \u0111\u1ed9ng:<\/strong>\u00a0Phao n\u1ed5i tr\u00ean m\u1eb7t ch\u1ea5t l\u1ecfng, kim ch\u1ec9 th\u1ecb \u0111\u01b0\u1ee3c \u0111i\u1ec1u khi\u1ec3n b\u1eb1ng d\u00e2y th\u00e9p\/b\u0103ng d\u00ednh.<\/p>\n<p class=\"pros\"><strong>\u01afu \u0111i\u1ec3m:<\/strong>\u00a0C\u1ea5u tr\u00fac \u0111\u01a1n gi\u1ea3n, chi ph\u00ed c\u1ef1c th\u1ea5p<\/p>\n<p class=\"cons\"><strong>Nh\u01b0\u1ee3c \u0111i\u1ec3m:<\/strong>\u00a0M\u00f2n c\u01a1 h\u1ecdc nghi\u00eam tr\u1ecdng, ch\u1ecbu \u1ea3nh h\u01b0\u1edfng c\u1ee7a t\u1ea3i tr\u1ecdng gi\u00f3, \u0111\u1ed9 ch\u00ednh x\u00e1c th\u1ea5p.<\/p>\n<div class=\"recommendation\"><strong>\u0110\u1ec1 xu\u1ea5t l\u1ef1a ch\u1ecdn:<\/strong>\u00a0M\u1ee9c n\u01b0\u1edbc \u01b0\u1edbc l\u01b0\u1ee3ng s\u01a1 b\u1ed9 cho c\u00e1c b\u1ec3 ch\u1ee9a m\u00e1i v\u00f2m l\u1edbn.<\/div>\n<\/div>\n<div class=\"gauge-type\">\n<h3>2.19 \u0110\u1ed3ng h\u1ed3 \u0111o m\u1ee9c servo<\/h3>\n<p><strong>Nguy\u00ean l\u00fd ho\u1ea1t \u0111\u1ed9ng:<\/strong>\u00a0\u0110\u1ed9ng c\u01a1 servo \u0111i\u1ec1u khi\u1ec3n b\u1eb1ng ph\u01b0\u01a1ng ph\u00e1p c\u00e2n b\u1eb1ng l\u1ef1c \u0111\u1ec3 \u0111o l\u01b0\u1eddng ch\u00ednh x\u00e1c.<\/p>\n<p class=\"pros\"><strong>\u01afu \u0111i\u1ec3m:<\/strong>\u00a0\u0110\u1ed9 ch\u00ednh x\u00e1c c\u1ef1c cao, l\u1ea5y m\u1eabu \u0111a \u0111i\u1ec3m, ch\u1ee9c n\u0103ng m\u1ea1nh m\u1ebd.<\/p>\n<p class=\"cons\"><strong>Nh\u01b0\u1ee3c \u0111i\u1ec3m:<\/strong>\u00a0C\u1ea5u tr\u00fac ch\u00ednh x\u00e1c, \u0111\u1eaft ti\u1ec1n, y\u00eau c\u1ea7u b\u1ea3o tr\u00ec cao.<\/p>\n<div class=\"recommendation\"><strong>\u0110\u1ec1 xu\u1ea5t l\u1ef1a ch\u1ecdn:<\/strong>\u00a0Thi\u1ebft b\u1ecb \u0111o l\u01b0\u1eddng chuy\u00ean d\u1ee5ng cho c\u00e1c b\u1ec3 ch\u1ee9a d\u1ea7u th\u00f4 v\u00e0 s\u1ea3n ph\u1ea9m d\u1ea7u m\u1ecf c\u1ee1 l\u1edbn.<\/div>\n<\/div>\n<hr \/>\n<h2>3. Nh\u1eefng nguy\u00ean t\u1eafc v\u00e0ng \u0111\u1ec3 l\u1ef1a ch\u1ecdn th\u01b0\u1edbc \u0111o c\u1ea5p \u0111\u1ed9 (B\u1ea3ng t\u00f3m t\u1eaft)<\/h2>\n<table>\n<tbody>\n<tr>\n<th>S\u1ef1 \u01b0u ti\u00ean<\/th>\n<th>\u0110i\u1ec1u ki\u1ec7n v\u1eadn h\u00e0nh<\/th>\n<th>C\u00f4ng c\u1ee5 \u0111\u01b0\u1ee3c \u0111\u1ec1 xu\u1ea5t<\/th>\n<th>H\u01b0\u1edbng d\u1eabn tr\u00e1nh c\u1ea1m b\u1eaby<\/th>\n<\/tr>\n<tr>\n<td>\u2b50\u2b50\u2b50<\/td>\n<td>Nhi\u1ec7t \u0111\u1ed9 cao\/\u00c1p su\u1ea5t cao\/\u0102n m\u00f2n m\u1ea1nh<\/td>\n<td>Radar, DP (M\u1eb7t b\u00edch k\u00e9p)<\/td>\n<td>Tr\u00e1nh s\u1eed d\u1ee5ng c\u00e1c thi\u1ebft b\u1ecb ti\u1ebfp x\u00fac tr\u1ef1c ti\u1ebfp, c\u00e2n nh\u1eafc v\u1eadt li\u1ec7u \u0103ng-ten cho radar.<\/td>\n<\/tr>\n<tr>\n<td>\u2b50\u2b50\u2b50<\/td>\n<td>\u0110\u1ed9 nh\u1edbt cao\/D\u1ec5 k\u1ebft tinh\/T\u00edch t\u1ee5 th\u00e0nh v\u00e1ch<\/td>\n<td>Radar (c\u1ea7n th\u1eadn tr\u1ecdng v\u1edbi GWR), \u0110\u1ed9 d\u1eabn RF<\/td>\n<td>\u0110\u1ed3ng h\u1ed3 \u0111o t\u1eeb c\u1ea7n \u0111\u01b0\u1ee3c s\u00fac r\u1eeda\/l\u00e0m m\u00e1t, \u0111\u1ed3ng h\u1ed3 \u0111o si\u00eau \u00e2m s\u1ebd h\u1ecfng.<\/td>\n<\/tr>\n<tr>\n<td>\u2b50\u2b50\u2b50<\/td>\n<td>B\u1ed9t\/H\u1ea1t r\u1eafn<\/td>\n<td>\u0110\u1ed9 d\u1eabn RF, d\u00e2y d\u1ecdi, radar (l\u00e0m s\u1ea1ch kh\u00f4ng kh\u00ed)<\/td>\n<td>Kh\u1ea3 n\u0103ng gi\u1ea3m nhi\u1ec5u do b\u1ee5i r\u1ea5t cao \u0111\u1ed1i v\u1edbi s\u00f3ng si\u00eau \u00e2m, c\u1ea7n s\u1eed d\u1ee5ng th\u1eadn tr\u1ecdng.<\/td>\n<\/tr>\n<tr>\n<td>\u2b50\u2b50<\/td>\n<td>\u0110\u1ed9 ch\u00ednh x\u00e1c cao\/\u0110o l\u01b0\u1eddng th\u01b0\u01a1ng m\u1ea1i<\/td>\n<td>C\u1ea3m bi\u1ebfn m\u1ee9c servo, t\u1eeb t\u00ednh<\/td>\n<td>C\u1ea7n c\u00f3 s\u1ef1 b\u00f9 tr\u1eeb v\u1ec1 nhi\u1ec7t \u0111\u1ed9 v\u00e0 m\u1eadt \u0111\u1ed9.<\/td>\n<\/tr>\n<tr>\n<td>\u2b50\u2b50<\/td>\n<td>Th\u00f9ng ch\u1ee9a h\u01a1i n\u01b0\u1edbc\/H\u1ec7 th\u1ed1ng h\u01a1i n\u01b0\u1edbc c\u1ee7a n\u1ed3i h\u01a1i<\/td>\n<td>\u00c1p su\u1ea5t ch\u00eanh l\u1ec7ch, \u0110i\u1ec7n c\u1ef1c<\/td>\n<td>C\u1ea7n ph\u1ea3i xem x\u00e9t hi\u1ec7n t\u01b0\u1ee3ng \u201cm\u1ee9c \u0111\u1ed9 sai l\u1ec7ch\u201d<\/td>\n<\/tr>\n<tr>\n<td>\u2b50\u2b50<\/td>\n<td>Ch\u1ec9 b\u00e1o tr\u01b0\u1eddng c\u1ee5c b\u1ed9<\/td>\n<td>C\u1ed9t l\u1eadt t\u1eeb t\u00ednh, T\u1ea5m k\u00ednh<\/td>\n<td>T\u1ea5m k\u00ednh c\u1ea7n c\u00f3 l\u1edbp b\u1ea3o v\u1ec7 \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o an to\u00e0n.<\/td>\n<\/tr>\n<tr>\n<td>\u2b50\u2b50<\/td>\n<td>Kh\u00f4ng c\u00f3 d\u1ef1 \u00e1n khoan\/c\u1ea3i t\u1ea1o<\/td>\n<td>G\u1eafn ngo\u00e0i<\/td>\n<td>\u0110\u00e1nh gi\u00e1 nghi\u00eam ng\u1eb7t t\u00ecnh tr\u1ea1ng th\u00e0nh b\u1ec3 v\u00e0 \u0111\u1eb7c t\u00ednh \u00e2m h\u1ecdc.<\/td>\n<\/tr>\n<tr>\n<td>\u2b50<\/td>\n<td>B\u1ec3 ch\u1ee9a n\u01b0\u1edbc \u0111\u01a1n gi\u1ea3n\/K\u00eanh d\u1eabn n\u01b0\u1edbc h\u1edf<\/td>\n<td>Si\u00eau \u00e2m, th\u1ee7y t\u0129nh<\/td>\n<td>H\u1ec7 th\u1ed1ng th\u1ee7y t\u0129nh y\u00eau c\u1ea7u v\u1ec7 sinh \u0111\u1ecbnh k\u1ef3 c\u00e1c d\u00e2y th\u00f4ng h\u01a1i.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<hr \/>\n<h2>4. S\u1ef1 xu\u1ea5t s\u1eafc trong mua s\u1eafm v\u00e0 chu\u1ed7i cung \u1ee9ng<\/h2>\n<p>C\u00f4ng ty TNHH Th\u01b0\u01a1ng m\u1ea1i Xi&#039;an Yunrui chuy\u00ean ph\u00e2n ph\u1ed1i qu\u1ed1c t\u1ebf c\u00e1c thi\u1ebft b\u1ecb \u0111o m\u1ee9c \u0111\u1ed9 ch\u00ednh x\u00e1c cao cho c\u00e1c ng\u00e0nh d\u1ea7u kh\u00ed, h\u00f3a ch\u1ea5t v\u00e0 s\u1ea3n xu\u1ea5t \u0111i\u1ec7n.<\/p>\n<p>B\u1ed9 ph\u1eadn k\u1ef9 thu\u1eadt c\u1ee7a ch\u00fang t\u00f4i h\u1ed7 tr\u1ee3 kh\u00e1ch h\u00e0ng to\u00e0n c\u1ea7u trong vi\u1ec7c \u0111\u00e1nh gi\u00e1 ma tr\u1eadn l\u1ef1a ch\u1ecdn m\u00f4 h\u00ecnh, \u0111\u1ea3m b\u1ea3o m\u00e3 b\u1ed9 truy\u1ec1n t\u00edn hi\u1ec7u \u0111o l\u01b0\u1eddng, tuy\u1ec7t \u0111\u1ed1i ho\u1eb7c vi sai ch\u00ednh x\u00e1c \u0111\u01b0\u1ee3c ch\u1ec9 \u0111\u1ecbnh tr\u01b0\u1edbc khi \u0111\u1eb7t h\u00e0ng. B\u1eb1ng c\u00e1ch t\u1eadn d\u1ee5ng kho d\u1ef1 tr\u1eef chi\u1ebfn l\u01b0\u1ee3c t\u1ea1i c\u01a1 s\u1edf h\u1eadu c\u1ea7n T\u00e2y An, ch\u00fang t\u00f4i gi\u1ea3m \u0111\u00e1ng k\u1ec3 th\u1eddi gian giao h\u00e0ng cho c\u00e1c c\u1ea5u h\u00ecnh ti\u00eau chu\u1ea9n.<\/p>","protected":false},"excerpt":{"rendered":"<p>In process industries, level gauges play a critical role in storage tanks, reactors, and pipeline systems. Choosing the wrong instrument can lead to reading drift, frequent maintenance, or even safety incidents. Faced with a dazzling array of products on the market, engineers often find themselves confused: Should viscous media use radar or ultrasonic? 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