{"id":10249,"date":"2024-04-11T11:56:26","date_gmt":"2024-04-11T03:56:26","guid":{"rendered":"https:\/\/shchimay.com\/?p=10249"},"modified":"2024-04-11T22:20:02","modified_gmt":"2024-04-11T14:20:02","slug":"dissolved-oxygen-sensor-4-20ma","status":"publish","type":"post","link":"https:\/\/shchimay.com\/vi\/dissolved-oxygen-sensor-4-20ma\/","title":{"rendered":"c\u1ea3m bi\u1ebfn oxy h\u00f2a tan 4-20ma"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_50 counter-hierarchy ez-toc-counter ez-toc-light-blue ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\">Table of Contents<\/p>\n<span class=\"ez-toc-title-toggle\"><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-1'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/shchimay.com\/vi\/dissolved-oxygen-sensor-4-20ma\/#Loi_ich_cua_viec_su_dung_cam_bien_oxy_hoa_tan_voi_dau_ra_4-20mA\" title=\"L\u1ee3i \u00edch c\u1ee7a vi\u1ec7c s\u1eed d\u1ee5ng c\u1ea3m bi\u1ebfn oxy h\u00f2a tan v\u1edbi \u0111\u1ea7u ra 4-20mA\">L\u1ee3i \u00edch c\u1ee7a vi\u1ec7c s\u1eed d\u1ee5ng c\u1ea3m bi\u1ebfn oxy h\u00f2a tan v\u1edbi \u0111\u1ea7u ra 4-20mA<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-1'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/shchimay.com\/vi\/dissolved-oxygen-sensor-4-20ma\/#Cach_hieu_chinh_va_bao_tri_cam_bien_oxy_hoa_tan_voi_dau_ra_4-20mA\" title=\"C\u00e1ch hi\u1ec7u ch\u1ec9nh v\u00e0 b\u1ea3o tr\u00ec c\u1ea3m bi\u1ebfn oxy h\u00f2a tan v\u1edbi \u0111\u1ea7u ra 4-20mA\">C\u00e1ch hi\u1ec7u ch\u1ec9nh v\u00e0 b\u1ea3o tr\u00ec c\u1ea3m bi\u1ebfn oxy h\u00f2a tan v\u1edbi \u0111\u1ea7u ra 4-20mA<\/a><\/li><\/ul><\/nav><\/div>\n<h1 id=\"benefits-of-using-dissolved-oxygen-sensors-with-4-20ma-output-wpaicgheading\"><span class=\"ez-toc-section\" id=\"Loi_ich_cua_viec_su_dung_cam_bien_oxy_hoa_tan_voi_dau_ra_4-20mA\"><\/span>L\u1ee3i \u00edch c\u1ee7a vi\u1ec7c s\u1eed d\u1ee5ng c\u1ea3m bi\u1ebfn oxy h\u00f2a tan v\u1edbi \u0111\u1ea7u ra 4-20mA<span class=\"ez-toc-section-end\"><\/span><\/h1>\n<p>\nC\u1ea3m bi\u1ebfn oxy h\u00f2a tan l\u00e0 c\u00f4ng c\u1ee5 thi\u1ebft y\u1ebfu trong nhi\u1ec1u ng\u00e0nh c\u00f4ng nghi\u1ec7p kh\u00e1c nhau, bao g\u1ed3m x\u1eed l\u00fd n\u01b0\u1edbc th\u1ea3i, nu\u00f4i tr\u1ed3ng th\u1ee7y s\u1ea3n v\u00e0 gi\u00e1m s\u00e1t m\u00f4i tr\u01b0\u1eddng. Nh\u1eefng c\u1ea3m bi\u1ebfn n\u00e0y \u0111o l\u01b0\u1ee3ng oxy h\u00f2a tan trong n\u01b0\u1edbc, cung c\u1ea5p d\u1eef li\u1ec7u c\u00f3 gi\u00e1 tr\u1ecb \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o ch\u1ea5t l\u01b0\u1ee3ng n\u01b0\u1edbc v\u00e0 s\u1ee9c kh\u1ecfe c\u1ee7a h\u1ec7 sinh th\u00e1i d\u01b0\u1edbi n\u01b0\u1edbc. M\u1ed9t lo\u1ea1i c\u1ea3m bi\u1ebfn oxy h\u00f2a tan ph\u1ed5 bi\u1ebfn l\u00e0 c\u1ea3m bi\u1ebfn \u0111\u1ea7u ra 4-20mA, mang l\u1ea1i nhi\u1ec1u l\u1ee3i \u00edch cho ng\u01b0\u1eddi d\u00f9ng.<\/p>\n<p>\n<img decoding=\"async\" src=\"https:\/\/shchimay.com\/wp-content\/uploads\/2024\/04\/BSQ-2019-details-845x1024-1.jpg\" alt=\"alt-391\" class=\"wp-image-391\" id=\"i391\" \/><br \/>\nM\u1ed9t trong nh\u1eefng \u01b0u \u0111i\u1ec3m ch\u00ednh c\u1ee7a vi\u1ec7c s\u1eed d\u1ee5ng c\u1ea3m bi\u1ebfn oxy h\u00f2a tan c\u00f3 \u0111\u1ea7u ra 4-20mA l\u00e0 kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch v\u1edbi nhi\u1ec1u h\u1ec7 th\u1ed1ng gi\u00e1m s\u00e1t v\u00e0 \u0111i\u1ec1u khi\u1ec3n. T\u00edn hi\u1ec7u 4-20mA l\u00e0 giao th\u1ee9c ti\u00eau chu\u1ea9n c\u00f4ng nghi\u1ec7p c\u00f3 th\u1ec3 d\u1ec5 d\u00e0ng t\u00edch h\u1ee3p v\u00e0o c\u00e1c h\u1ec7 th\u1ed1ng hi\u1ec7n c\u00f3, cho ph\u00e9p li\u00ean l\u1ea1c li\u1ec1n m\u1ea1ch gi\u1eefa c\u1ea3m bi\u1ebfn v\u00e0 c\u00e1c thi\u1ebft b\u1ecb kh\u00e1c. Kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch n\u00e0y gi\u00fap d\u1ec5 d\u00e0ng k\u1ebft h\u1ee3p c\u1ea3m bi\u1ebfn v\u00e0o c\u00e1c quy tr\u00ecnh t\u1ef1 \u0111\u1ed9ng, cho ph\u00e9p theo d\u00f5i v\u00e0 ki\u1ec3m so\u00e1t n\u1ed3ng \u0111\u1ed9 oxy trong n\u01b0\u1edbc theo th\u1eddi gian th\u1ef1c.<\/p>\n<p>M\u1ed9t l\u1ee3i \u00edch kh\u00e1c c\u1ee7a vi\u1ec7c s\u1eed d\u1ee5ng c\u1ea3m bi\u1ebfn oxy h\u00f2a tan c\u00f3 \u0111\u1ea7u ra 4-20mA l\u00e0 m\u1ee9c \u0111\u1ed9 ch\u00ednh x\u00e1c v\u00e0 \u0111\u1ed9 tin c\u1eady cao . Nh\u1eefng c\u1ea3m bi\u1ebfn n\u00e0y \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 cung c\u1ea5p c\u00e1c ph\u00e9p \u0111o ch\u00ednh x\u00e1c v\u1ec1 n\u1ed3ng \u0111\u1ed9 oxy h\u00f2a tan, \u0111\u1ea3m b\u1ea3o r\u1eb1ng ng\u01b0\u1eddi d\u00f9ng c\u00f3 th\u1ec3 tin c\u1eady v\u00e0o d\u1eef li\u1ec7u h\u1ecd nh\u1eadn \u0111\u01b0\u1ee3c. \u0110\u1ed9 ch\u00ednh x\u00e1c n\u00e0y r\u1ea5t quan tr\u1ecdng \u0111\u1ec3 \u0111\u01b0a ra quy\u1ebft \u0111\u1ecbnh s\u00e1ng su\u1ed1t v\u1ec1 qu\u1ea3n l\u00fd ch\u1ea5t l\u01b0\u1ee3ng n\u01b0\u1edbc v\u00e0 \u0111\u1ea3m b\u1ea3o tu\u00e2n th\u1ee7 c\u00e1c ti\u00eau chu\u1ea9n quy \u0111\u1ecbnh.<\/p>\n<p>Ngo\u00e0i \u0111\u1ed9 ch\u00ednh x\u00e1c, c\u1ea3m bi\u1ebfn oxy h\u00f2a tan c\u00f3 \u0111\u1ea7u ra 4-20mA c\u00f2n mang l\u1ea1i m\u1ee9c \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh cao theo th\u1eddi gian. Nh\u1eefng c\u1ea3m bi\u1ebfn n\u00e0y \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 ch\u1ecbu \u0111\u01b0\u1ee3c c\u00e1c \u0111i\u1ec1u ki\u1ec7n m\u00f4i tr\u01b0\u1eddng kh\u1eafc nghi\u1ec7t v\u00e0 ti\u1ebfp t\u1ee5c cung c\u1ea5p c\u00e1c ph\u00e9p \u0111o ch\u00ednh x\u00e1c ngay c\u1ea3 sau khi s\u1eed d\u1ee5ng k\u00e9o d\u00e0i. S\u1ef1 \u1ed5n \u0111\u1ecbnh n\u00e0y r\u1ea5t c\u1ea7n thi\u1ebft cho c\u00e1c \u1ee9ng d\u1ee5ng gi\u00e1m s\u00e1t d\u00e0i h\u1ea1n, trong \u0111\u00f3 c\u1ea7n c\u00f3 d\u1eef li\u1ec7u nh\u1ea5t qu\u00e1n v\u00e0 \u0111\u00e1ng tin c\u1eady \u0111\u1ec3 \u0111\u01b0a ra quy\u1ebft \u0111\u1ecbnh s\u00e1ng su\u1ed1t.<\/p>\n<div class=\"entry-content-asset videofit\"><iframe loading=\"lazy\" title=\"MFC 8800 IOT Instrument water treatment meter\" width=\"720\" height=\"405\" src=\"https:\/\/www.youtube.com\/embed\/W0akqcNoJzE?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe><\/div>\n<p>\nH\u01a1n n\u1eefa, vi\u1ec7c s\u1eed d\u1ee5ng c\u1ea3m bi\u1ebfn oxy h\u00f2a tan c\u00f3 \u0111\u1ea7u ra 4-20mA c\u00f3 th\u1ec3 gi\u00fap gi\u1ea3m y\u00eau c\u1ea7u b\u1ea3o tr\u00ec v\u00e0 hi\u1ec7u chu\u1ea9n. Nh\u1eefng c\u1ea3m bi\u1ebfn n\u00e0y th\u01b0\u1eddng \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 \u00edt ph\u1ea3i b\u1ea3o tr\u00ec, y\u00eau c\u1ea7u b\u1ea3o tr\u00ec t\u1ed1i thi\u1ec3u \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o hi\u1ec7u su\u1ea5t t\u1ed1i \u01b0u. Ngo\u00e0i ra, nhi\u1ec1u c\u1ea3m bi\u1ebfn c\u00f2n c\u00f3 t\u00ednh n\u0103ng t\u1ef1 ch\u1ea9n \u0111o\u00e1n c\u00f3 th\u1ec3 c\u1ea3nh b\u00e1o ng\u01b0\u1eddi d\u00f9ng v\u1ec1 b\u1ea5t k\u1ef3 v\u1ea5n \u0111\u1ec1 n\u00e0o c\u00f3 th\u1ec3 ph\u00e1t sinh, cho ph\u00e9p kh\u1eafc ph\u1ee5c s\u1ef1 c\u1ed1 nhanh ch\u00f3ng v\u00e0 d\u1ec5 d\u00e0ng.<\/p>\n<figure class=\"wp-block-table\">\n<table>\n<tbody>\n<tr>\n<td>M\u00f4 h\u00ecnh<\/td>\n<td>M\u00e1y \u0111o \u0111\u1ed9 d\u1eabn \u0111i\u1ec7n th\u00f4ng minh EC-510<\/td>\n<\/tr>\n<tr>\n<td rowspan=\"2\">Ph\u1ea1m vi<\/td>\n<td>0-200\/2000\/4000\/10000uS\/cm<\/td>\n<\/tr>\n<tr>\n<td>0-18,25M\u03a9<\/td>\n<\/tr>\n<tr>\n<td>\u0110\u1ed9 ch\u00ednh x\u00e1c<\/td>\n<td>1,5 ph\u1ea7n tr\u0103m (FS)<\/td>\n<\/tr>\n<tr>\n<td>Nhi\u1ec7t \u0111\u1ed9. Comp.<\/td>\n<td>B\u00f9 nhi\u1ec7t \u0111\u1ed9 t\u1ef1 \u0111\u1ed9ng<\/td>\n<\/tr>\n<tr>\n<td>Ho\u1ea1t \u0111\u1ed9ng. Nhi\u1ec7t \u0111\u1ed9<\/td>\n<td>B\u00ecnh th\u01b0\u1eddng 0\uff5e50\u2103; Nhi\u1ec7t \u0111\u1ed9 cao 0\uff5e120\u2103<\/td>\n<\/tr>\n<tr>\n<td>C\u1ea3m bi\u1ebfn<\/td>\n<td>C=0,01\/0,02\/0,1\/1,0\/10,0cm<sup>-1<\/sup><\/td>\n<\/tr>\n<tr>\n<td>Hi\u1ec3n th\u1ecb<\/td>\n<td>M\u00e0n H\u00ecnh LCD<\/td>\n<\/tr>\n<tr>\n<td>Giao ti\u1ebfp<\/td>\n<td>\u0110\u1ea7u ra 4-20mA\/2-10V\/1-5V\/RS485<\/td>\n<\/tr>\n<tr>\n<td>\u0110\u1ea7u ra<\/td>\n<td>\u0110i\u1ec1u khi\u1ec3n r\u01a1le k\u00e9p gi\u1edbi h\u1ea1n Cao\/Th\u1ea5p<\/td>\n<\/tr>\n<tr>\n<td>S\u1ee9c m\u1ea1nh<\/td>\n<td>AC 220V\u00b110 ph\u1ea7n tr\u0103m 50\/60Hz ho\u1eb7c AC 110V\u00b110 ph\u1ea7n tr\u0103m 50\/60Hz ho\u1eb7c DC24V\/0,5A<\/td>\n<\/tr>\n<tr>\n<td rowspan=\"2\">M\u00f4i tr\u01b0\u1eddng l\u00e0m vi\u1ec7c<\/td>\n<td>Nhi\u1ec7t \u0111\u1ed9 m\u00f4i tr\u01b0\u1eddng:0\uff5e50\u2103<\/td>\n<\/tr>\n<tr>\n<td>\u0110\u1ed9 \u1ea9m t\u01b0\u01a1ng \u0111\u1ed1i\u226485 ph\u1ea7n tr\u0103m<\/td>\n<\/tr>\n<tr>\n<td>K\u00edch th\u01b0\u1edbc<\/td>\n<td>48\u00d796\u00d7100mm(H\u00d7W\u00d7L)<\/td>\n<\/tr>\n<tr>\n<td>K\u00edch th\u01b0\u1edbc l\u1ed7<\/td>\n<td>45\u00d792mm(H\u00d7W)<\/td>\n<\/tr>\n<tr>\n<td>Ch\u1ebf \u0110\u1ed9 C\u00e0i \u0110\u1eb7t<\/td>\n<td>\u0110\u00e3 nh\u00fang<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/figure>\n<p>M\u1ed9t trong nh\u1eefng \u01b0u \u0111i\u1ec3m ch\u00ednh c\u1ee7a vi\u1ec7c s\u1eed d\u1ee5ng c\u1ea3m bi\u1ebfn oxy h\u00f2a tan c\u00f3 \u0111\u1ea7u ra 4-20mA l\u00e0 kh\u1ea3 n\u0103ng cung c\u1ea5p d\u1eef li\u1ec7u th\u1eddi gian th\u1ef1c v\u1ec1 n\u1ed3ng \u0111\u1ed9 oxy trong n\u01b0\u1edbc. Kh\u1ea3 n\u0103ng gi\u00e1m s\u00e1t th\u1eddi gian th\u1ef1c n\u00e0y cho ph\u00e9p ng\u01b0\u1eddi d\u00f9ng nhanh ch\u00f3ng x\u00e1c \u0111\u1ecbnh m\u1ecdi thay \u0111\u1ed5i v\u1ec1 n\u1ed3ng \u0111\u1ed9 oxy v\u00e0 th\u1ef1c hi\u1ec7n h\u00e0nh \u0111\u1ed9ng ngay l\u1eadp t\u1ee9c \u0111\u1ec3 gi\u1ea3i quy\u1ebft m\u1ecdi v\u1ea5n \u0111\u1ec1 c\u00f3 th\u1ec3 ph\u00e1t sinh. Ph\u1ea3n \u1ee9ng nhanh ch\u00f3ng n\u00e0y c\u00f3 th\u1ec3 gi\u00fap ng\u0103n ng\u1eeba c\u00e1c v\u1ea5n \u0111\u1ec1 v\u1ec1 ch\u1ea5t l\u01b0\u1ee3ng n\u01b0\u1edbc v\u00e0 \u0111\u1ea3m b\u1ea3o s\u1ee9c kh\u1ecfe c\u1ee7a h\u1ec7 sinh th\u00e1i d\u01b0\u1edbi n\u01b0\u1edbc.<\/p>\n<p>\n<img decoding=\"async\" src=\"https:\/\/shchimay.com\/wp-content\/uploads\/2024\/04\/DO-1800-Dissolved-oxygen-measurement-and-control-instrument-4.png\" alt=\"alt-3911\" class=\"wp-image-3911\" id=\"i3911\" \/><br \/>\nNh\u00ecn chung, vi\u1ec7c s\u1eed d\u1ee5ng c\u1ea3m bi\u1ebfn oxy h\u00f2a tan c\u00f3 \u0111\u1ea7u ra 4-20mA mang l\u1ea1i nhi\u1ec1u l\u1ee3i \u00edch cho ng\u01b0\u1eddi d\u00f9ng trong nhi\u1ec1u ng\u00e0nh c\u00f4ng nghi\u1ec7p kh\u00e1c nhau. T\u1eeb kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch v\u1edbi c\u00e1c h\u1ec7 th\u1ed1ng hi\u1ec7n c\u00f3 cho \u0111\u1ebfn \u0111\u1ed9 ch\u00ednh x\u00e1c v\u00e0 \u0111\u1ed9 tin c\u1eady cao, nh\u1eefng c\u1ea3m bi\u1ebfn n\u00e0y cung c\u1ea5p d\u1eef li\u1ec7u c\u00f3 gi\u00e1 tr\u1ecb \u0111\u1ec3 theo d\u00f5i v\u00e0 ki\u1ec3m so\u00e1t n\u1ed3ng \u0111\u1ed9 oxy trong n\u01b0\u1edbc. V\u1edbi kh\u1ea3 n\u0103ng gi\u00e1m s\u00e1t th\u1eddi gian th\u1ef1c v\u00e0 y\u00eau c\u1ea7u b\u1ea3o tr\u00ec th\u1ea5p, c\u1ea3m bi\u1ebfn oxy h\u00f2a tan c\u00f3 \u0111\u1ea7u ra 4-20mA l\u00e0 c\u00f4ng c\u1ee5 thi\u1ebft y\u1ebfu \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o ch\u1ea5t l\u01b0\u1ee3ng n\u01b0\u1edbc v\u00e0 s\u1ee9c kh\u1ecfe c\u1ee7a h\u1ec7 sinh th\u00e1i d\u01b0\u1edbi n\u01b0\u1edbc.<\/p>\n<h1 id=\"how-to-calibrate-and-maintain-dissolved-oxygen-sensors-with-4-20ma-output-wpaicgheading\"><span class=\"ez-toc-section\" id=\"Cach_hieu_chinh_va_bao_tri_cam_bien_oxy_hoa_tan_voi_dau_ra_4-20mA\"><\/span>C\u00e1ch hi\u1ec7u ch\u1ec9nh v\u00e0 b\u1ea3o tr\u00ec c\u1ea3m bi\u1ebfn oxy h\u00f2a tan v\u1edbi \u0111\u1ea7u ra 4-20mA<span class=\"ez-toc-section-end\"><\/span><\/h1>\n<p>\nC\u1ea3m bi\u1ebfn oxy h\u00f2a tan c\u00f3 \u0111\u1ea7u ra 4-20mA th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c ng\u00e0nh c\u00f4ng nghi\u1ec7p kh\u00e1c nhau \u0111\u1ec3 \u0111o l\u01b0\u1ee3ng oxy c\u00f3 trong ch\u1ea5t l\u1ecfng. Nh\u1eefng c\u1ea3m bi\u1ebfn n\u00e0y \u0111\u00f3ng m\u1ed9t vai tr\u00f2 quan tr\u1ecdng trong vi\u1ec7c \u0111\u1ea3m b\u1ea3o ch\u1ea5t l\u01b0\u1ee3ng n\u01b0\u1edbc trong c\u00e1c nh\u00e0 m\u00e1y x\u1eed l\u00fd n\u01b0\u1edbc th\u1ea3i, c\u01a1 s\u1edf nu\u00f4i tr\u1ed3ng th\u1ee7y s\u1ea3n v\u00e0 c\u00e1c quy tr\u00ecnh c\u00f4ng nghi\u1ec7p kh\u00e1c, n\u01a1i c\u1ea7n ph\u1ea3i theo d\u00f5i ch\u1eb7t ch\u1ebd n\u1ed3ng \u0111\u1ed9 oxy. \u0110\u1ec3 \u0111\u1ea3m b\u1ea3o s\u1ed1 \u0111\u1ecdc ch\u00ednh x\u00e1c v\u00e0 hi\u1ec7u su\u1ea5t \u0111\u00e1ng tin c\u1eady, \u0111i\u1ec1u c\u1ea7n thi\u1ebft l\u00e0 ph\u1ea3i hi\u1ec7u ch\u1ec9nh v\u00e0 b\u1ea3o tr\u00ec c\u00e1c c\u1ea3m bi\u1ebfn n\u00e0y th\u01b0\u1eddng xuy\u00ean.<\/p>\n<p>Hi\u1ec7u ch\u1ec9nh c\u1ea3m bi\u1ebfn oxy h\u00f2a tan v\u1edbi \u0111\u1ea7u ra 4-20mA l\u00e0 m\u1ed9t quy tr\u00ecnh \u0111\u01a1n gi\u1ea3n bao g\u1ed3m vi\u1ec7c \u0111i\u1ec1u ch\u1ec9nh t\u00edn hi\u1ec7u \u0111\u1ea7u ra c\u1ee7a c\u1ea3m bi\u1ebfn \u0111\u1ec3 ph\u00f9 h\u1ee3p v\u1edbi m\u1ee9c oxy th\u1ef1c t\u1ebf trong ch\u1ea5t l\u1ecfng \u0111\u01b0\u1ee3c \u0111o. \u0110i\u1ec1u n\u00e0y c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng dung d\u1ecbch hi\u1ec7u chu\u1ea9n c\u00f3 n\u1ed3ng \u0111\u1ed9 oxy \u0111\u00e3 bi\u1ebft. B\u1eb1ng c\u00e1ch so s\u00e1nh t\u00edn hi\u1ec7u \u0111\u1ea7u ra c\u1ee7a c\u1ea3m bi\u1ebfn v\u1edbi gi\u00e1 tr\u1ecb d\u1ef1 ki\u1ebfn, c\u00f3 th\u1ec3 th\u1ef1c hi\u1ec7n c\u00e1c \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o s\u1ed1 \u0111\u1ecdc ch\u00ednh x\u00e1c.<\/p>\n<p>Tr\u01b0\u1edbc khi hi\u1ec7u ch\u1ec9nh c\u1ea3m bi\u1ebfn, \u0111i\u1ec1u quan tr\u1ecdng l\u00e0 ph\u1ea3i ki\u1ec3m tra t\u00ecnh tr\u1ea1ng c\u1ee7a c\u1ea3m bi\u1ebfn v\u00e0 l\u00e0m s\u1ea1ch n\u00f3 n\u1ebfu c\u1ea7n. S\u1ef1 t\u00edch t\u1ee5 c\u1eb7n sinh h\u1ecdc, m\u1ea3nh v\u1ee5n ho\u1eb7c ch\u1ea5t g\u00e2y \u00f4 nhi\u1ec5m kh\u00e1c tr\u00ean m\u00e0ng c\u1ea3m bi\u1ebfn c\u00f3 th\u1ec3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn hi\u1ec7u su\u1ea5t v\u00e0 \u0111\u1ed9 ch\u00ednh x\u00e1c c\u1ee7a n\u00f3. L\u00e0m s\u1ea1ch c\u1ea3m bi\u1ebfn b\u1eb1ng b\u00e0n ch\u1ea3i m\u1ec1m ho\u1eb7c dung d\u1ecbch t\u1ea9y r\u1eeda nh\u1eb9 c\u00f3 th\u1ec3 gi\u00fap lo\u1ea1i b\u1ecf m\u1ecdi ch\u1ea5t t\u00edch t\u1ee5 v\u00e0 \u0111\u1ea3m b\u1ea3o hi\u1ec7u su\u1ea5t c\u1ea3m bi\u1ebfn t\u1ed1i \u01b0u.<\/p>\n<p>Sau khi c\u1ea3m bi\u1ebfn s\u1ea1ch v\u00e0 \u1edf t\u00ecnh tr\u1ea1ng t\u1ed1t, n\u00f3 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c hi\u1ec7u ch\u1ec9nh b\u1eb1ng dung d\u1ecbch hi\u1ec7u chu\u1ea9n c\u00f3 n\u1ed3ng \u0111\u1ed9 oxy \u0111\u00e3 bi\u1ebft . T\u00edn hi\u1ec7u \u0111\u1ea7u ra c\u1ee7a c\u1ea3m bi\u1ebfn ph\u1ea3i \u0111\u01b0\u1ee3c \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ec3 ph\u00f9 h\u1ee3p v\u1edbi gi\u00e1 tr\u1ecb mong \u0111\u1ee3i c\u1ee7a dung d\u1ecbch hi\u1ec7u chu\u1ea9n. \u0110i\u1ec1u n\u00e0y c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng c\u00e1c \u0111i\u1ec1u khi\u1ec3n hi\u1ec7u chu\u1ea9n c\u1ee7a c\u1ea3m bi\u1ebfn ho\u1eb7c th\u00f4ng qua giao di\u1ec7n ph\u1ea7n m\u1ec1m hi\u1ec7u chu\u1ea9n, t\u00f9y thu\u1ed9c v\u00e0o m\u1eabu c\u1ea3m bi\u1ebfn c\u1ee5 th\u1ec3.<\/p>\n<figure class=\"wp-block-table\">\n<table>\n<tbody>\n<tr>\n<td>M\u1eabu s\u1ea3n ph\u1ea9m<\/td>\n<td colspan=\"2\">MFC-8800<\/td>\n<\/tr>\n<tr>\n<td rowspan=\"2\">C\u1ed5ng giao ti\u1ebfp<\/td>\n<td colspan=\"2\">K\u00eanh ph\u1ee5 giao th\u1ee9c Modbus RTU c\u1ed5ng RS485 \u0111\u01b0\u1ee3c k\u1ebft n\u1ed1i v\u1edbi DTU v\u00e0 DCS<\/td>\n<\/tr>\n<tr>\n<td colspan=\"2\">C\u1ed5ng RS485 k\u00eanh ch\u00ednh \u0111\u01b0\u1eddng xu\u1ed1ng c\u1ee7a giao th\u1ee9c Modbus RTU \u0111\u01b0\u1ee3c k\u1ebft n\u1ed1i v\u1edbi thi\u1ebft b\u1ecb \u0111\u1ea7u cu\u1ed1i thu th\u1eadp d\u1eef li\u1ec7u<\/td>\n<\/tr>\n<tr>\n<td>4~20mA v\u00e0 nbsp;\u0111\u1ea7u ra<\/td>\n<td colspan=\"2\">1 k\u00eanh lo\u1ea1i hai d\u00e2y v\u00e0 nbsp;\u0110i\u1ec7n tr\u1edf v\u00f2ng l\u1eb7p t\u1ed1i \u0111a 400\u03a9<\/td>\n<\/tr>\n<tr>\n<td>4~20mA v\u00e0 nbsp;\u0110\u1ea7u v\u00e0o<\/td>\n<td colspan=\"2\"> v\u00e0 nbsp;2 k\u00eanh lo\u1ea1i hai d\u00e2y\uff08 v\u00e0 nbsp;ngu\u1ed3n c\u1ea5p d\u1eef li\u1ec7u ch\u1ee7 \u0111\u1ed9ng\uff09<\/td>\n<\/tr>\n<tr>\n<td>DI v\u00e0 nbsp;\u0110\u1ea7u v\u00e0o<\/td>\n<td colspan=\"2\"> v\u00e0 nbsp; v\u00e0 nbsp; v\u00e0 nbsp; v\u00e0 nbsp; v\u00e0 nbsp; v\u00e0 nbsp; v\u00e0 nbsp; v\u00e0 nbsp; v\u00e0 nbsp; v\u00e0 nbsp; v\u00e0 nbsp; v\u00e0 nbsp; v\u00e0 nbsp; v\u00e0 nbsp; v\u00e0 nbsp; v\u00e0 nbsp; v\u00e0 nbsp;2 k\u00eanh C\u00f4ng t\u1eafc logic c\u00e1ch ly quang \u0111i\u1ec7n<\/td>\n<\/tr>\n<tr>\n<td rowspan=\"4\">\u0110\u1ea7u Ra DO<\/td>\n<td>3 v\u00e0 nbsp;chuy\u1ec3n ti\u1ebfp k\u00eanh<\/td>\n<td>1 v\u00e0 nbsp;SPDT v\u00e0 nbsp;AC220V\uff1b 3A(MAX)<\/td>\n<\/tr>\n<tr>\n<td>\uff08ch\u1ec9 d\u00e0nh cho t\u00edn hi\u1ec7u truy\u1ec1n \u0111\u1ed9ng\uff09<\/td>\n<td>2 v\u00e0 nbsp;SPST v\u00e0 nbsp;AC220V\uff1b 3A(MAX)<\/td>\n<\/tr>\n<tr>\n<td rowspan=\"2\">1 k\u00eanh v\u00e0 nbsp;C\u00f4ng t\u1eafc quang \u0111i\u1ec7n v\u00e0 nbsp; v\u00e0 nbsp;<\/td>\n<td>Xung\/t\u1ea7n s\u1ed1 t\u1ef7 l\u1ec7<\/td>\n<\/tr>\n<tr>\n<td> v\u00e0 nbsp;Dung l\u01b0\u1ee3ng t\u1ea3i\uff1a100mA\/DC30V<\/td>\n<\/tr>\n<tr>\n<td> v\u00e0 nbsp;Thu th\u1eadp d\u1eef li\u1ec7u<\/td>\n<td colspan=\"2\">Thu th\u1eadp d\u1eef li\u1ec7u\uff0cv\u1edbi 3 v\u00e0 nbsp;k\u00eanh ngu\u1ed3n \u0111i\u1ec7n c\u1ea3m bi\u1ebfn DC24V v\u00e0 nbsp;<\/td>\n<\/tr>\n<tr>\n<td>Ch\u1ebf \u0111\u1ed9 hi\u1ec3n th\u1ecb<\/td>\n<td colspan=\"2\">3.5\u201d\uff08ho\u1eb7c 4\u201d\uff09LCD \u0111\u1ea7y m\u00e0u s\u1eafc v\u00e0 m\u00e0n h\u00ecnh c\u1ea3m \u1ee9ng<\/td>\n<\/tr>\n<tr>\n<td>Ngu\u1ed3n \u0111i\u1ec7n<\/td>\n<td colspan=\"2\">D\u1ea3i c\u00f4ng su\u1ea5t r\u1ed9ng \uff1a\uff0812-24\uff09V<\/td>\n<\/tr>\n<tr>\n<td>Ti\u00eau th\u1ee5<\/td>\n<td colspan=\"2\"> v\u00e0 lt;5W<\/td>\n<\/tr>\n<tr>\n<td>Y\u00eau c\u1ea7u v\u1ec1 m\u00f4i tr\u01b0\u1eddng<\/td>\n<td colspan=\"2\">Nhi\u1ec7t \u0111\u1ed9 m\u00f4i tr\u01b0\u1eddng\uff1a\uff085~45\uff09\u2103\uff1b v\u00e0 nbsp;\u0111\u1ed9 \u1ea9m t\u01b0\u01a1ng \u0111\u1ed1i\uff1a\u226490 ph\u1ea7n tr\u0103m \u3002<\/td>\n<\/tr>\n<tr>\n<td>K\u00edch th\u01b0\u1edbc l\u1ed7<\/td>\n<td colspan=\"2\">\uff0891\u00d791\uff09mm v\u00e0 nbsp;k\u00edch th\u01b0\u1edbc l\u1ed7\uff1bk\u00edch th\u01b0\u1edbc b\u1ea3ng\uff08100*100\uff09mm<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/figure>\n<p>\nSau khi hi\u1ec7u ch\u1ec9nh c\u1ea3m bi\u1ebfn, \u0111i\u1ec1u quan tr\u1ecdng l\u00e0 ph\u1ea3i th\u1ef1c hi\u1ec7n b\u1ea3o tr\u00ec th\u01b0\u1eddng xuy\u00ean \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 ch\u00ednh x\u00e1c v\u00e0 \u0111\u1ed9 tin c\u1eady li\u00ean t\u1ee5c c\u1ee7a c\u1ea3m bi\u1ebfn. \u0110i\u1ec1u n\u00e0y bao g\u1ed3m vi\u1ec7c ki\u1ec3m tra c\u1ea3m bi\u1ebfn xem c\u00f3 d\u1ea5u hi\u1ec7u h\u01b0 h\u1ecfng ho\u1eb7c hao m\u00f2n n\u00e0o kh\u00f4ng, c\u0169ng nh\u01b0 v\u1ec7 sinh c\u1ea3m bi\u1ebfn th\u01b0\u1eddng xuy\u00ean \u0111\u1ec3 ng\u0103n ng\u1eeba s\u1ef1 t\u00edch t\u1ee5 ch\u1ea5t g\u00e2y \u00f4 nhi\u1ec5m. Vi\u1ec7c ki\u1ec3m tra hi\u1ec7u chu\u1ea9n th\u01b0\u1eddng xuy\u00ean c\u0169ng n\u00ean \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n \u0111\u1ec3 x\u00e1c minh \u0111\u1ed9 ch\u00ednh x\u00e1c c\u1ee7a c\u1ea3m bi\u1ebfn v\u00e0 th\u1ef1c hi\u1ec7n m\u1ecdi \u0111i\u1ec1u ch\u1ec9nh c\u1ea7n thi\u1ebft.<\/p>\n<div class=\"entry-content-asset videofit\"><iframe loading=\"lazy\" title=\"MFC 8800 IOT Instrument water treatment meter\" width=\"720\" height=\"405\" src=\"https:\/\/www.youtube.com\/embed\/W0akqcNoJzE?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe><\/div>\n<p>\nNgo\u00e0i vi\u1ec7c b\u1ea3o tr\u00ec th\u01b0\u1eddng xuy\u00ean, \u0111i\u1ec1u quan tr\u1ecdng l\u00e0 ph\u1ea3i tu\u00e2n theo h\u01b0\u1edbng d\u1eabn c\u1ee7a nh\u00e0 s\u1ea3n xu\u1ea5t v\u1ec1 vi\u1ec7c b\u1ea3o qu\u1ea3n v\u00e0 x\u1eed l\u00fd c\u1ea3m bi\u1ebfn. B\u1ea3o qu\u1ea3n v\u00e0 x\u1eed l\u00fd \u0111\u00fang c\u00e1ch c\u00f3 th\u1ec3 gi\u00fap k\u00e9o d\u00e0i tu\u1ed5i th\u1ecd c\u1ee7a c\u1ea3m bi\u1ebfn v\u00e0 \u0111\u1ea3m b\u1ea3o hi\u1ec7u su\u1ea5t \u1ed5n \u0111\u1ecbnh. \u0110i\u1ec1u quan tr\u1ecdng n\u1eefa l\u00e0 ph\u1ea3i thay th\u1ebf m\u00e0ng c\u1ea3m bi\u1ebfn v\u00e0 dung d\u1ecbch \u0111i\u1ec7n ph\u00e2n theo khuy\u1ebfn ngh\u1ecb c\u1ee7a nh\u00e0 s\u1ea3n xu\u1ea5t \u0111\u1ec3 duy tr\u00ec hi\u1ec7u su\u1ea5t c\u1ea3m bi\u1ebfn t\u1ed1i \u01b0u.<\/p>\n<p>T\u00f3m l\u1ea1i, vi\u1ec7c hi\u1ec7u ch\u1ec9nh v\u00e0 b\u1ea3o tr\u00ec c\u1ea3m bi\u1ebfn oxy h\u00f2a tan v\u1edbi \u0111\u1ea7u ra 4-20mA l\u00e0 \u0111i\u1ec1u c\u1ea7n thi\u1ebft \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o s\u1ed1 \u0111\u1ecdc ch\u00ednh x\u00e1c v\u00e0 hi\u1ec7u su\u1ea5t \u0111\u00e1ng tin c\u1eady. B\u1eb1ng c\u00e1ch tu\u00e2n theo c\u00e1c quy tr\u00ecnh hi\u1ec7u chu\u1ea9n ph\u00f9 h\u1ee3p, th\u1ef1c hi\u1ec7n b\u1ea3o tr\u00ec th\u01b0\u1eddng xuy\u00ean c\u0169ng nh\u01b0 tu\u00e2n theo h\u01b0\u1edbng d\u1eabn c\u1ee7a nh\u00e0 s\u1ea3n xu\u1ea5t v\u1ec1 b\u1ea3o qu\u1ea3n v\u00e0 x\u1eed l\u00fd, b\u1ea1n c\u00f3 th\u1ec3 \u0111\u1ea3m b\u1ea3o r\u1eb1ng c\u1ea3m bi\u1ebfn c\u1ee7a m\u00ecnh cung c\u1ea5p c\u00e1c ph\u00e9p \u0111o ch\u00ednh x\u00e1c v\u00e0 \u0111\u00e1ng tin c\u1eady trong nhi\u1ec1u n\u0103m t\u1edbi. H\u00e3y nh\u1edb lu\u00f4n tham kh\u1ea3o s\u00e1ch h\u01b0\u1edbng d\u1eabn s\u1eed d\u1ee5ng c\u1ea3m bi\u1ebfn \u0111\u1ec3 bi\u1ebft h\u01b0\u1edbng d\u1eabn c\u1ee5 th\u1ec3 v\u1ec1 quy tr\u00ecnh hi\u1ec7u chu\u1ea9n v\u00e0 b\u1ea3o tr\u00ec.<\/p>\n<div class=\"entry-content-asset videofit\"><iframe loading=\"lazy\" title=\"water filter connector manufacturer\" width=\"720\" height=\"405\" src=\"https:\/\/www.youtube.com\/embed\/_67R9O_w5jo?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe><\/div>\n","protected":false},"excerpt":{"rendered":"<p>L\u1ee3i \u00edch c\u1ee7a vi\u1ec7c s\u1eed d\u1ee5ng c\u1ea3m bi\u1ebfn oxy h\u00f2a tan v\u1edbi \u0111\u1ea7u ra 4-20mA C\u1ea3m bi\u1ebfn oxy h\u00f2a tan l\u00e0 c\u00f4ng c\u1ee5 thi\u1ebft y\u1ebfu trong nhi\u1ec1u ng\u00e0nh c\u00f4ng nghi\u1ec7p kh\u00e1c nhau, bao g\u1ed3m x\u1eed l\u00fd n\u01b0\u1edbc th\u1ea3i, nu\u00f4i tr\u1ed3ng th\u1ee7y s\u1ea3n v\u00e0 gi\u00e1m s\u00e1t m\u00f4i tr\u01b0\u1eddng. 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