{"id":8159,"date":"2026-05-16T17:51:07","date_gmt":"2026-05-16T17:51:07","guid":{"rendered":"https:\/\/www.yunrui-controls.com\/?p=8159"},"modified":"2026-05-16T17:55:45","modified_gmt":"2026-05-16T17:55:45","slug":"eh-fmu30-aaheaaggf-ultrasonic-level-transmitter","status":"publish","type":"post","link":"https:\/\/www.yunrui-controls.com\/vi\/eh-fmu30-aaheaaggf-ultrasonic-level-transmitter\/","title":{"rendered":"Gi\u1ea3i quy\u1ebft nh\u1eefng r\u1eafc r\u1ed1i trong vi\u1ec7c \u0111o m\u1ee9c ch\u1ea5t l\u1ecfng trong b\u1ed3n ch\u1ee9a: B\u1ed9 truy\u1ec1n t\u00edn hi\u1ec7u \u0111o m\u1ee9c si\u00eau \u00e2m E+H FMU30-AAHEAAGGF"},"content":{"rendered":"<h3><img fetchpriority=\"high\" decoding=\"async\" class=\"wp-image-8161 aligncenter\" src=\"https:\/\/www.yunrui-controls.com\/wp-content\/uploads\/2026\/05\/fmu0-225x300.png\" alt=\"Endress+Hauser FMU30-AAHEAAGGF ultrasonic level transmitter with IP68 protection and 4-20mA output\" width=\"392\" height=\"522\" srcset=\"https:\/\/www.yunrui-controls.com\/wp-content\/uploads\/2026\/05\/fmu0-225x300.png 225w, https:\/\/www.yunrui-controls.com\/wp-content\/uploads\/2026\/05\/fmu0-768x1025.png 768w, https:\/\/www.yunrui-controls.com\/wp-content\/uploads\/2026\/05\/fmu0-1151x1536.png 1151w, https:\/\/www.yunrui-controls.com\/wp-content\/uploads\/2026\/05\/fmu0-1535x2048.png 1535w, https:\/\/www.yunrui-controls.com\/wp-content\/uploads\/2026\/05\/fmu0-9x12.png 9w, https:\/\/www.yunrui-controls.com\/wp-content\/uploads\/2026\/05\/fmu0-scaled.png 1919w\" sizes=\"(max-width: 392px) 100vw, 392px\" \/><br \/>\nV\u1ea5n \u0111\u1ec1: Khi ph\u00e9p \u0111o m\u1ee9c ch\u1ea5t l\u1ecfng th\u1ea5t b\u1ea1i<\/h3>\n<p>H\u00e3y t\u01b0\u1edfng t\u01b0\u1ee3ng th\u1ebf n\u00e0y: \u0110\u00e3 2 gi\u1edd s\u00e1ng. B\u1ec3 x\u1eed l\u00fd n\u01b0\u1edbc th\u1ea3i c\u1ee7a b\u1ea1n b\u1ecb tr\u00e0n v\u00ec c\u1ea3m bi\u1ebfn m\u1ee9c n\u01b0\u1edbc b\u00e1o sai. Ho\u1eb7c b\u1ec3 ch\u1ee9a h\u00f3a ch\u1ea5t c\u1ee7a b\u1ea1n c\u1ea1n ki\u1ec7t gi\u1eefa ch\u1eebng qu\u00e1 tr\u00ecnh s\u1ea3n xu\u1ea5t, khi\u1ebfn to\u00e0n b\u1ed9 d\u00e2y chuy\u1ec1n ph\u1ea3i ng\u1eebng ho\u1ea1t \u0111\u1ed9ng. \u0110\u00e2y kh\u00f4ng ph\u1ea3i l\u00e0 nh\u1eefng t\u00ecnh hu\u1ed1ng gi\u1ea3 \u0111\u1ecbnh\u2014ch\u00fang x\u1ea3y ra h\u00e0ng ng\u00e0y khi vi\u1ec7c \u0111o m\u1ee9c n\u01b0\u1edbc kh\u00f4ng \u0111\u00e1ng tin c\u1eady.<\/p>\n<p>C\u00e1c c\u00f4ng t\u1eafc phao truy\u1ec1n th\u1ed1ng b\u1ecb \u0103n m\u00f2n. \u0110\u1ea7u d\u00f2 \u0111i\u1ec7n dung b\u1ecb tr\u00f4i l\u1ec7ch. Thi\u1ebft b\u1ecb radar th\u00ec \u0111\u1eaft \u0111\u1ecf. V\u1eady \u0111\u00e2u l\u00e0 gi\u1ea3i ph\u00e1p dung h\u00f2a?<\/p>\n<h3>Nh\u1eadp v\u00e0o <a href=\"https:\/\/www.yunrui-controls.com\/vi\/products\/prosonic-fmu30-endresshauser-supplier\/\">Endress+Hauser FMU30<\/a><\/h3>\n<p>C\u00e1i\u00a0<strong>FMU30-AAHEAAGGF<\/strong>\u00a0\u0110\u00e2y l\u00e0 c\u00e2u tr\u1ea3 l\u1eddi c\u1ee7a E+H cho c\u00e2u h\u1ecfi \u201cT\u00f4i c\u1ea7n m\u1ed9t thi\u1ebft b\u1ecb ho\u1ea1t \u0111\u1ed9ng tr\u01a1n tru\u201d. Kh\u00f4ng c\u00f3 t\u00ednh n\u0103ng c\u1ea7u k\u1ef3, r\u01b0\u1eddm r\u00e0. Kh\u00f4ng c\u00f3 nh\u1eefng r\u1eafc r\u1ed1i khi c\u1ea5u h\u00ecnh. Ch\u1ec9 \u0111\u01a1n gi\u1ea3n l\u00e0 thi\u1ebft b\u1ecb \u0111o m\u1ee9c b\u1eb1ng s\u00f3ng si\u00eau \u00e2m m\u1ea1nh m\u1ebd, \u0111\u00e1ng tin c\u1eady, ho\u1ea1t \u0111\u1ed9ng t\u1ed1t ngay c\u1ea3 khi c\u00e1c thi\u1ebft b\u1ecb kh\u00e1c th\u1ea5t b\u1ea1i.<\/p>\n<h3>\u0110i\u1ec1u g\u00ec l\u00e0m n\u00ean s\u1ef1 kh\u00e1c bi\u1ec7t?<\/h3>\n<p><strong>IP68: \u0110\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 ch\u1ecbu \u0111\u01b0\u1ee3c s\u1ef1 kh\u1eafc nghi\u1ec7t<\/strong><\/p>\n<p>H\u1ea7u h\u1ebft c\u00e1c thi\u1ebft b\u1ecb \u0111o m\u1ee9c \u0111\u1ec1u ghi \u201cch\u1ed1ng n\u01b0\u1edbc\u201d. FMU30 c\u00f3 kh\u1ea3 n\u0103ng ch\u1ecbu \u0111\u01b0\u1ee3c ng\u00e2m trong n\u01b0\u1edbc. C\u00f3 th\u1ec3 l\u00e0m ng\u1eadp b\u1ec3 ch\u1ee9a. C\u00f3 th\u1ec3 x\u1ecbt r\u1eeda khi v\u1ec7 sinh. C\u00f3 th\u1ec3 \u0111\u1ec3 n\u00f3 trong m\u01b0a l\u1edbn. N\u00f3 v\u1eabn ti\u1ebfp t\u1ee5c \u0111o.<\/p>\n<table>\n<thead>\n<tr>\n<th>M\u1ee9c \u0111\u1ed9 b\u1ea3o v\u1ec7<\/th>\n<th>\u00dd ngh\u0129a c\u1ee7a n\u00f3<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>IP65<\/td>\n<td>Ch\u1ed1ng b\u1ee5i, tia n\u01b0\u1edbc<\/td>\n<\/tr>\n<tr>\n<td>IP67<\/td>\n<td>Ch\u1ed1ng b\u1ee5i, ng\u00e2m t\u1ea1m th\u1eddi<\/td>\n<\/tr>\n<tr>\n<td><strong>IP68<\/strong><\/td>\n<td><strong>Ch\u1ed1ng b\u1ee5i, ng\u00e2m li\u00ean t\u1ee5c<\/strong><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><strong>\u0110\u01a1n gi\u1ea3n v\u1edbi 2 d\u00e2y<\/strong><\/p>\n<p>M\u1ed9t c\u1eb7p d\u00e2y d\u1eabn duy nh\u1ea5t truy\u1ec1n c\u1ea3 ngu\u1ed3n \u0111i\u1ec7n v\u00e0 t\u00edn hi\u1ec7u. Kh\u00f4ng c\u1ea7n d\u00e2y ngu\u1ed3n ri\u00eang bi\u1ec7t. Kh\u00f4ng c\u1ea7n \u0111\u1ea5u n\u1ed1i ph\u1ee9c t\u1ea1p. N\u1ebfu b\u1ea1n c\u00f3 th\u1ec3 \u0111\u1ea5u n\u1ed1i m\u1ed9t m\u1ea1ch v\u00f2ng 4-20 mA, b\u1ea1n c\u00f3 th\u1ec3 l\u1eafp \u0111\u1eb7t thi\u1ebft b\u1ecb n\u00e0y.<\/p>\n<p><strong>\u0110i\u1ec3m t\u1ed1i \u01b0u 4-20 mA<\/strong><\/p>\n<p>T\u1ea1i sao c\u00e1c k\u1ef9 s\u01b0 l\u1ea1i y\u00eau th\u00edch d\u00f2ng \u0111i\u1ec7n 4-20 mA? B\u1edfi v\u00ec n\u00f3 ho\u1ea1t \u0111\u1ed9ng hi\u1ec7u qu\u1ea3:<\/p>\n<ul>\n<li>4 mA = m\u1ee9c 0 (\u0111i\u1ec7n \u00e1p 0 tr\u1ef1c ti\u1ebfp ph\u00e1t hi\u1ec7n d\u00e2y b\u1ecb \u0111\u1ee9t)<\/li>\n<li>20 mA = to\u00e0n thang \u0111o<\/li>\n<li>B\u1ea5t k\u1ef3 gi\u00e1 tr\u1ecb n\u00e0o n\u1eb1m gi\u1eefa hai gi\u00e1 tr\u1ecb \u0111\u00f3 \u0111\u1ec1u t\u01b0\u01a1ng \u1ee9ng v\u1edbi m\u1ee9c \u0111\u1ed9 t\u1ef7 l\u1ec7 thu\u1eadn.<\/li>\n<li>T\u01b0\u01a1ng th\u00edch v\u1edbi m\u1ecdi PLC, DCS v\u00e0 \u0111\u1ed3ng h\u1ed3 \u0111o b\u1ea3ng \u0111i\u1ec1u khi\u1ec3n t\u1eebng \u0111\u01b0\u1ee3c s\u1ea3n xu\u1ea5t.<\/li>\n<\/ul>\n<h3>T\u1ed5ng quan k\u1ef9 thu\u1eadt<\/h3>\n<table>\n<thead>\n<tr>\n<th>Th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt<\/th>\n<th>FMU30-AAHEAAGGF<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Nh\u00e0 s\u1ea3n xu\u1ea5t<\/td>\n<td>Endress+Hauser (E+H)<\/td>\n<\/tr>\n<tr>\n<td>Nguy\u00ean l\u00fd \u0111o l\u01b0\u1eddng<\/td>\n<td>Si\u00eau \u00e2m (th\u1eddi gian bay)<\/td>\n<\/tr>\n<tr>\n<td>T\u00edn hi\u1ec7u \u0111\u1ea7u ra<\/td>\n<td>4-20 mA, 2 d\u00e2y<\/td>\n<\/tr>\n<tr>\n<td>\u0110i\u1ec7n \u00e1p ngu\u1ed3n<\/td>\n<td>14-35 V DC<\/td>\n<\/tr>\n<tr>\n<td>L\u1edbp b\u1ea3o v\u1ec7<\/td>\n<td>IP68<\/td>\n<\/tr>\n<tr>\n<td>Ph\u1ea1m vi \u0111i\u1ec3n h\u00ecnh<\/td>\n<td>T\u1eeb 0,25 \u0111\u1ebfn 5 m\u00e9t (t\u00f9y thu\u1ed9c v\u00e0o t\u1eebng m\u1eabu)<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3>N\u01a1i n\u00f3 t\u1ecfa s\u00e1ng<\/h3>\n<p><strong>N\u01b0\u1edbc th\u1ea3i v\u00e0 n\u01b0\u1edbc m\u01b0a<\/strong><\/p>\n<p>D\u00f2ng ch\u1ea3y trong k\u00eanh h\u1edf? M\u1ee9c ch\u1ea5t l\u1ecfng trong b\u1ec3 ch\u1ee9a? FMU30 kh\u00f4ng b\u1ecb \u1ea3nh h\u01b0\u1edfng b\u1edfi b\u1ecdt, h\u01a1i n\u01b0\u1edbc hay s\u1ef1 thay \u0111\u1ed5i th\u00e0nh ph\u1ea7n kh\u00ed. Si\u00eau \u00e2m \u0111o qua kh\u00f4ng kh\u00ed, kh\u00f4ng ph\u1ea3i qua ch\u1ea5t l\u1ecfng.<\/p>\n<p><strong>L\u01b0u tr\u1eef h\u00f3a ch\u1ea5t<\/strong><\/p>\n<p>Kh\u00f4ng c\u00f3 \u0111\u1ea7u d\u00f2 ti\u1ebfp x\u00fac v\u1edbi h\u00f3a ch\u1ea5t m\u1ea1nh \u0111\u1ed3ng ngh\u0129a v\u1edbi vi\u1ec7c kh\u00f4ng b\u1ecb \u0103n m\u00f2n, kh\u00f4ng \u0111\u00f3ng c\u1eb7n, kh\u00f4ng g\u1eb7p r\u1eafc r\u1ed1i v\u1ec1 b\u1ea3o tr\u00ec. L\u1eafp \u0111\u1eb7t n\u00f3 ph\u00eda tr\u00ean b\u1ed3n ch\u1ee9a v\u00e0 qu\u00ean \u0111i.<\/p>\n<p><strong>Th\u1ef1c ph\u1ea9m &amp; \u0110\u1ed3 u\u1ed1ng<\/strong><\/p>\n<p>\u0110\u1ea1t chu\u1ea9n IP68, s\u1ea3n ph\u1ea9m c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c v\u1ec7 sinh b\u1eb1ng ph\u01b0\u01a1ng ph\u00e1p CIP\/SIP. Ph\u01b0\u01a1ng ph\u00e1p \u0111o kh\u00f4ng ti\u1ebfp x\u00fac gi\u00fap lo\u1ea1i b\u1ecf nguy c\u01a1 \u00f4 nhi\u1ec5m s\u1ea3n ph\u1ea9m.<\/p>\n<p><strong>X\u1eed l\u00fd n\u01b0\u1edbc<\/strong><\/p>\n<p>T\u1eeb vi\u1ec7c l\u1ea5y n\u01b0\u1edbc th\u00f4 \u0111\u1ebfn \u0111o m\u1ef1c n\u01b0\u1edbc trong b\u1ec3 l\u1eafng v\u00e0 ph\u00e1t hi\u1ec7n l\u1edbp b\u00f9n l\u1eafng \u2013 m\u1ed9t d\u00f2ng s\u1ea3n ph\u1ea9m c\u1ea3m bi\u1ebfn duy nh\u1ea5t c\u00f3 th\u1ec3 \u0111\u00e1p \u1ee9ng t\u1ea5t c\u1ea3.<\/p>\n<h3>L\u1eafp \u0111\u1eb7t: D\u1ec5 h\u01a1n b\u1ea1n ngh\u0129<\/h3>\n<div class=\"code-block-wrapper\">\n<div class=\"code-block-header\"><button class=\"code-block-copy\" type=\"button\" data-code=\"Typical Setup: \u250c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2510 \u2502 FMU30 Sensor \u2502 \u2190 Mounted on tank roof \u2502 (IP68 rated) \u2502 \u2514\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u252c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2518 \u2502 Ultrasonic pulse \u25bc \u250c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2510 \u2502 Liquid \u2502 \u2190 Measures distance to surface \u2502 Surface \u2502 \u2514\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2518 \u2502 4-20 mA signal \u2500\u2500\u2500\u2500\u2500\u2500\u25ba PLC \/ DCS \/ Display (2-wire loop)\" aria-label=\"Sao ch\u00e9p m\u00e3\"><span class=\"code-block-copy__idle\">Sao ch\u00e9p<\/span><\/button><\/div>\n<pre><code>C\u1ea5u h\u00ecnh \u0111i\u1ec3n h\u00ecnh: \u250c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2510 \u2502 C\u1ea3m bi\u1ebfn FMU30 \u2502 \u2190 G\u1eafn tr\u00ean n\u00f3c b\u1ed3n ch\u1ee9a \u2502 (chu\u1ea9n IP68) \u2502 \u2514\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u252c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2518 \u2502 Xung si\u00eau \u00e2m \u25bc \u250c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2510 \u2502 Ch\u1ea5t l\u1ecfng \u2502 \u2190 \u0110o kho\u1ea3ng c\u00e1ch \u0111\u1ebfn b\u1ec1 m\u1eb7t \u2502 B\u1ec1 m\u1eb7t \u2502 \u2514\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2518 \u2502 T\u00edn hi\u1ec7u 4-20 mA \u2500\u2500\u2500\u2500\u2500\u2500\u25ba PLC \/ DCS \/ M\u00e0n h\u00ecnh (v\u00f2ng l\u1eb7p 2 d\u00e2y)\r\n<\/code><\/pre>\n<\/div>\n<p><strong>M\u1eb9o hay:<\/strong><\/p>\n<ul>\n<li>Gi\u1eef c\u1ea3m bi\u1ebfn c\u00e1ch th\u00e0nh b\u1ec3 t\u1ed1i thi\u1ec3u 0,3m (\u0111\u1ec3 tr\u00e1nh t\u00edn hi\u1ec7u ph\u1ea3n h\u1ed3i sai).<\/li>\n<li>Tr\u00e1nh l\u1eafp \u0111\u1eb7t tr\u1ef1c ti\u1ebfp ph\u00eda tr\u00ean d\u00f2ng n\u01b0\u1edbc ch\u1ea3y (s\u1ef1 nhi\u1ec5u lo\u1ea1n s\u1ebd l\u00e0m t\u00e1n x\u1ea1 \u00e2m thanh).<\/li>\n<li>\u0110\u1ed1i v\u1edbi ch\u1ea5t l\u1ecfng t\u1ea1o b\u1ecdt: t\u0103ng th\u1eddi gian gi\u1ea3m ch\u1ea5n trong ph\u1ea7n m\u1ec1m.<\/li>\n<\/ul>\n<h3>Chi\u1ebfc nh\u1eabn gi\u1ea3i m\u00e3 \u201cAAHEAAGGF\u201d<\/h3>\n<p>M\u00e3 s\u1ed1 linh ki\u1ec7n E+H k\u1ec3 m\u1ed9t c\u00e2u chuy\u1ec7n. \u0110\u00e2y l\u00e0 \u00fd ngh\u0129a c\u1ee7a m\u00e3 s\u1ed1 n\u00e0y:<\/p>\n<table>\n<thead>\n<tr>\n<th>\u0110o\u1ea1n m\u00e3<\/th>\n<th>Ngh\u0129a<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>FMU30<\/td>\n<td>D\u00f2ng s\u1ea3n ph\u1ea9m (c\u1ea5p \u0111\u1ed9 si\u00eau \u00e2m)<\/td>\n<\/tr>\n<tr>\n<td>AA<\/td>\n<td>Bi\u1ebfn th\u1ec3 ph\u00ea duy\u1ec7t\/ch\u1ee9ng nh\u1eadn<\/td>\n<\/tr>\n<tr>\n<td>H<\/td>\n<td>V\u1eadt li\u1ec7u\/lo\u1ea1i nh\u00e0 \u1edf<\/td>\n<\/tr>\n<tr>\n<td>E<\/td>\n<td>K\u1ebft n\u1ed1i \u0111i\u1ec7n<\/td>\n<\/tr>\n<tr>\n<td>A<\/td>\n<td>C\u1ed5ng c\u00e1p<\/td>\n<\/tr>\n<tr>\n<td>A<\/td>\n<td>Hi\u1ec3n th\u1ecb \/ v\u1eadn h\u00e0nh<\/td>\n<\/tr>\n<tr>\n<td>G<\/td>\n<td>Ph\u1ea7n m\u1ec1m \/ ch\u1ee9c n\u0103ng<\/td>\n<\/tr>\n<tr>\n<td>G<\/td>\n<td>Ph\u1ea1m vi \u0111o<\/td>\n<\/tr>\n<tr>\n<td>F<\/td>\n<td>C\u00e1c t\u00f9y ch\u1ecdn b\u1ed5 sung<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>B\u1ea3n d\u1ecbch: FMU30 ti\u00eau chu\u1ea9n v\u1edbi v\u1ecf IP68, 2 d\u00e2y 4-20 mA, kh\u00f4ng c\u00f3 m\u00e0n h\u00ecnh hi\u1ec3n th\u1ecb, ph\u1ea7n m\u1ec1m ti\u00eau chu\u1ea9n.<\/p>\n<h3>Khi n\u00e0o n\u00ean ch\u1ecdn FMU30 so v\u1edbi c\u00e1c l\u1ef1a ch\u1ecdn thay th\u1ebf?<\/h3>\n<table>\n<thead>\n<tr>\n<th>T\u00ecnh hu\u1ed1ng c\u1ee7a b\u1ea1n<\/th>\n<th>Gi\u1ea3i ph\u00e1p \u0111\u01b0\u1ee3c \u0111\u1ec1 xu\u1ea5t<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Ch\u1ea5t l\u1ecfng s\u1ea1ch, ng\u00e2n s\u00e1ch eo h\u1eb9p<\/td>\n<td>FMU30 \u2713<\/td>\n<\/tr>\n<tr>\n<td>B\u1ecdt, h\u01a1i n\u01b0\u1edbc, h\u01a1i \u1ea9m<\/td>\n<td>FMU30 v\u1edbi kh\u1ea3 n\u0103ng x\u1eed l\u00fd ti\u1ebfng v\u1ecdng ti\u00ean ti\u1ebfn<\/td>\n<\/tr>\n<tr>\n<td>B\u00ecnh k\u00edn \u00e1p su\u1ea5t cao<\/td>\n<td>Radar (d\u00f2ng FMR)<\/td>\n<\/tr>\n<tr>\n<td>Ch\u1ea5t r\u1eafn, d\u1ea1ng h\u1ea1t<\/td>\n<td>FMU30 v\u1edbi ch\u1ee9c n\u0103ng gi\u1ea3m b\u1ee5i<\/td>\n<\/tr>\n<tr>\n<td>\u0110\u1ed9 ch\u00ednh x\u00e1c c\u1ee7a vi\u1ec7c chuy\u1ec3n giao quy\u1ec1n gi\u00e1m h\u1ed9<\/td>\n<td>Radar d\u1eabn \u0111\u01b0\u1eddng (Levelflex)<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3>Hi\u1ec7u su\u1ea5t th\u1ef1c t\u1ebf<\/h3>\n<blockquote><p>\u201cCh\u00fang t\u00f4i \u0111\u00e3 thay th\u1ebf b\u1ed1n \u0111\u1ea7u d\u00f2 \u0111i\u1ec7n dung b\u1ecb h\u1ecfng b\u1eb1ng <a href=\"https:\/\/www.yunrui-controls.com\/vi\/products\/prosonic-fmu30-endresshauser-supplier\/\">FMU30<\/a> trong c\u00e1c b\u1ec3 ch\u1ee9a h\u00f3a ch\u1ea5t c\u1ee7a ch\u00fang t\u00f4i. Hai n\u0103m sau, kh\u00f4ng c\u00f3 b\u1ea5t k\u1ef3 cu\u1ed9c g\u1ecdi b\u1ea3o tr\u00ec n\u00e0o. X\u1ebfp h\u1ea1ng IP68 kh\u00f4ng ph\u1ea3i l\u00e0 chi\u00eau tr\u00f2 ti\u1ebfp th\u1ecb \u2014 n\u00f3 \u0111\u00e3 s\u1ed1ng s\u00f3t sau s\u1ef1 c\u1ed1 ng\u1eadp l\u1ee5t t\u1ea7ng h\u1ea7m.\u201d<\/p>\n<p>\u2014 Qu\u1ea3n l\u00fd b\u1ea3o tr\u00ec, Nh\u00e0 m\u00e1y h\u00f3a ch\u1ea5t Midwest<\/p><\/blockquote>\n<h3>T\u00f3m l\u1ea1i<\/h3>\n<p>C\u00e1i <a href=\"https:\/\/www.yunrui-controls.com\/vi\/products\/prosonic-fmu30-endresshauser-supplier\/\">E+H FMU30<\/a>-AAHEAAGGF s\u1ebd kh\u00f4ng gi\u00e0nh \u0111\u01b0\u1ee3c gi\u1ea3i th\u01b0\u1edfng v\u1ec1 c\u00e1c t\u00ednh n\u0103ng ti\u00ean ti\u1ebfn. N\u00f3 kh\u00f4ng c\u00f3 Bluetooth, k\u1ebft n\u1ed1i \u1ee9ng d\u1ee5ng ho\u1eb7c ch\u1ea9n \u0111o\u00e1n b\u1eb1ng tr\u00ed tu\u1ec7 nh\u00e2n t\u1ea1o. \u0110i\u1ec1u n\u00f3 c\u00f3 l\u00e0 h\u00e0ng th\u1eadp k\u1ef7 \u0111\u1ed9 tin c\u1eady \u0111\u00e3 \u0111\u01b0\u1ee3c ki\u1ec3m ch\u1ee9ng th\u1ef1c t\u1ebf, g\u00f3i g\u1ecdn trong m\u1ed9t s\u1ea3n ph\u1ea9m d\u1ec5 l\u1eafp \u0111\u1eb7t ch\u1ec9 trong v\u00e0i ph\u00fat v\u00e0 ho\u1ea1t \u0111\u1ed9ng b\u1ec1n b\u1ec9 trong nhi\u1ec1u n\u0103m.<\/p>\n<p>\u0110\u00f4i khi, s\u1ef1 nh\u00e0m ch\u00e1n l\u1ea1i l\u00e0 v\u1ebb \u0111\u1eb9p c\u1ee7a n\u00f3.<\/p>","protected":false},"excerpt":{"rendered":"<p>The Problem: When Level Measurement Fails Picture this: It&#8217;s 2 AM. Your wastewater treatment tank overflows because the level sensor gave a false reading. Or your chemical storage tank runs dry mid-batch, shutting down production. These aren&#8217;t hypothetical scenarios\u2014they happen daily when level measurement isn&#8217;t reliable. Traditional float switches corrode. Capacitance probes drift. Radar units [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":8161,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"default","adv-header-id-meta":"","stick-header-meta":"default","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[1],"tags":[395,396],"class_list":["post-8159","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blogs","tag-eh-fmu30","tag-fmu30-aaheaaggf"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v26.8 (Yoast SEO v26.8) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>E+H FMU30-AAHEAAGGF Ultrasonic Level Transmitter | 4-20mA<\/title>\n<meta name=\"description\" content=\"ndress+Hauser FMU30-AAHEAAGGF ultrasonic level transmitter: IP68 rated, 2-wire 4-20mA output, 14-35V DC. 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