{"id":18947,"date":"2024-05-30T09:40:29","date_gmt":"2024-05-30T01:40:29","guid":{"rendered":"https:\/\/chimaytech.net\/?p=18947"},"modified":"2024-05-30T14:07:33","modified_gmt":"2024-05-30T06:07:33","slug":"calibration-of-dissolved-oxygen-meter","status":"publish","type":"post","link":"https:\/\/chimaytech.net\/vi\/calibration-of-dissolved-oxygen-meter\/","title":{"rendered":"hi\u1ec7u chu\u1ea9n m\u00e1y \u0111o oxy h\u00f2a tan"},"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:\/\/chimaytech.net\/vi\/calibration-of-dissolved-oxygen-meter\/#Tam_quan_trong_cua_viec_hieu_chuan_thich_hop_cho_may_do_oxy_hoa_tan\" title=\"T\u1ea7m quan tr\u1ecdng c\u1ee7a vi\u1ec7c hi\u1ec7u chu\u1ea9n th\u00edch h\u1ee3p cho m\u00e1y \u0111o oxy h\u00f2a tan\">T\u1ea7m quan tr\u1ecdng c\u1ee7a vi\u1ec7c hi\u1ec7u chu\u1ea9n th\u00edch h\u1ee3p cho m\u00e1y \u0111o oxy h\u00f2a tan<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-1'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/chimaytech.net\/vi\/calibration-of-dissolved-oxygen-meter\/#Huong_dan_tung_buoc_de_hieu_chinh_may_do_oxy_hoa_tan\" title=\"H\u01b0\u1edbng d\u1eabn t\u1eebng b\u01b0\u1edbc \u0111\u1ec3 hi\u1ec7u ch\u1ec9nh m\u00e1y \u0111o oxy h\u00f2a tan\">H\u01b0\u1edbng d\u1eabn t\u1eebng b\u01b0\u1edbc \u0111\u1ec3 hi\u1ec7u ch\u1ec9nh m\u00e1y \u0111o oxy h\u00f2a tan<\/a><\/li><\/ul><\/nav><\/div>\n<h1 id=\"importance-of-proper-calibration-for-dissolved-oxygen-meters-wpaicgheading\"><span class=\"ez-toc-section\" id=\"Tam_quan_trong_cua_viec_hieu_chuan_thich_hop_cho_may_do_oxy_hoa_tan\"><\/span>T\u1ea7m quan tr\u1ecdng c\u1ee7a vi\u1ec7c hi\u1ec7u chu\u1ea9n th\u00edch h\u1ee3p cho m\u00e1y \u0111o oxy h\u00f2a tan<span class=\"ez-toc-section-end\"><\/span><\/h1>\n<p>\nHi\u1ec7u ch\u1ec9nh m\u00e1y \u0111o oxy h\u00f2a tan<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/chimaytech.net\/wp-content\/uploads\/2023\/11\/Spec-pH-ORP8500A-meter-pH-controller-with-RS485.png\" alt=\"alt-410\" class=\"wp-image-410\" id=\"i410\" \/><\/p>\n<p>M\u00e1y \u0111o oxy h\u00f2a tan \u0111\u00f3ng m\u1ed9t vai tr\u00f2 quan tr\u1ecdng trong c\u00e1c ng\u00e0nh c\u00f4ng nghi\u1ec7p kh\u00e1c nhau, bao g\u1ed3m gi\u00e1m s\u00e1t m\u00f4i tr\u01b0\u1eddng, nu\u00f4i tr\u1ed3ng th\u1ee7y s\u1ea3n v\u00e0 x\u1eed l\u00fd n\u01b0\u1edbc th\u1ea3i. Nh\u1eefng thi\u1ebft b\u1ecb n\u00e0y \u0111o l\u01b0\u1ee3ng oxy h\u00f2a tan trong n\u01b0\u1edbc, cung c\u1ea5p nh\u1eefng hi\u1ec3u bi\u1ebft c\u00f3 gi\u00e1 tr\u1ecb v\u1ec1 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. Tuy nhi\u00ean, \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o c\u00e1c ph\u00e9p \u0111o ch\u00ednh x\u00e1c v\u00e0 \u0111\u00e1ng tin c\u1eady, vi\u1ec7c hi\u1ec7u chu\u1ea9n m\u00e1y \u0111o oxy h\u00f2a tan th\u00edch h\u1ee3p l\u00e0 \u0111i\u1ec1u c\u1ea7n thi\u1ebft.<\/p>\n<figure class=\"wp-block-table\">\n<table>\n<tbody>\n<tr>\n<td>Ph\u1ea1m vi \u0111o<\/td>\n<td colspan=\"4\">Ph\u01b0\u01a1ng ph\u00e1p quang ph\u1ed5 N,N-Diethyl-1,4-phenylenediamine (DPD)<\/td>\n<\/tr>\n<tr>\n<td>M\u00f4 h\u00ecnh<\/td>\n<td>CLA-7112<\/td>\n<td>CLA-7212<\/td>\n<td>CLA-7113<\/td>\n<td>CLA-7213<\/td>\n<\/tr>\n<tr>\n<td>K\u00eanh \u0111\u1ea7u v\u00e0o<\/td>\n<td>K\u00eanh \u0111\u01a1n<\/td>\n<td>K\u00eanh \u0111\u00f4i<\/td>\n<td>K\u00eanh \u0111\u01a1n<\/td>\n<td>K\u00eanh \u0111\u00f4i<\/td>\n<\/tr>\n<tr>\n<td rowspan=\"2\">Ph\u1ea1m vi \u0111o<\/td>\n<td colspan=\"2\">Clorin t\u1ef1 do\uff1a(0,0-2,0)mg\/L, t\u00ednh b\u1eb1ng Cl2;<\/td>\n<td colspan=\"2\">Clo t\u1ef1 do:(0,5-10,0)mg\/L, t\u00ednh b\u1eb1ng Cl2;<\/td>\n<\/tr>\n<tr>\n<td colspan=\"4\">pH\uff1a\uff080-14\uff09\uff1bNhi\u1ec7t \u0111\u1ed9\uff1a\uff080-100\uff09\u2103<\/td>\n<\/tr>\n<tr>\n<td rowspan=\"2\">\u0110\u1ed9 ch\u00ednh x\u00e1c<\/td>\n<td colspan=\"2\">Clor d\u01b0:\u00b110 ph\u1ea7n tr\u0103m ho\u1eb7c \u00b10,05mg\/L(l\u1ea5y gi\u00e1 tr\u1ecb l\u1edbn),T\u00ednh theo Cl2;<\/td>\n<td colspan=\"2\">Clor d\u01b0:\u00b110 ph\u1ea7n tr\u0103m ho\u1eb7c\u00b10,25mg\/L(l\u1ea5y gi\u00e1 tr\u1ecb l\u1edbn),T\u00ednh theo Cl2;<\/td>\n<\/tr>\n<tr>\n<td colspan=\"4\">pH:\u00b10.1pH\uff1bNhi\u1ec7t \u0111\u1ed9\uff1a\u00b10.5\u2103<\/td>\n<\/tr>\n<tr>\n<td>Th\u1eddi gian \u0111o<\/td>\n<td colspan=\"4\">\u22642.5 ph\u00fat<\/td>\n<\/tr>\n<tr>\n<td>Kho\u1ea3ng th\u1eddi gian l\u1ea5y m\u1eabu<\/td>\n<td colspan=\"4\">C\u00f3 th\u1ec3 \u0111\u1eb7t kho\u1ea3ng th\u1eddi gian (1\uff5e999) ph\u00fat t\u00f9y \u00fd<\/td>\n<\/tr>\n<tr>\n<td>Chu k\u1ef3 b\u1ea3o tr\u00ec<\/td>\n<td colspan=\"4\">Khuy\u1ebfn ngh\u1ecb m\u1ed7i th\u00e1ng m\u1ed9t l\u1ea7n (xem ch\u01b0\u01a1ng b\u1ea3o tr\u00ec)<\/td>\n<\/tr>\n<tr>\n<td>Y\u00eau c\u1ea7u v\u1ec1 m\u00f4i tr\u01b0\u1eddng<\/td>\n<td colspan=\"4\">Ph\u00f2ng th\u00f4ng gi\u00f3 v\u00e0 kh\u00f4 r\u00e1o, kh\u00f4ng rung l\u1eafc m\u1ea1nh;Nhi\u1ec7t \u0111\u1ed9 ph\u00f2ng khuy\u1ebfn ngh\u1ecb\uff1a\uff0815\uff5e28\uff09\u2103\uff1b\u0110\u1ed9 \u1ea9m t\u01b0\u01a1ng \u0111\u1ed1i\uff1a\u226485 ph\u1ea7n tr\u0103m \uff08Kh\u00f4ng ng\u01b0ng t\u1ee5\uff09<\/td>\n<\/tr>\n<tr>\n<td>D\u00f2ng m\u1eabu n\u01b0\u1edbc<\/td>\n<td colspan=\"4\">\uff08200-400\uff09 mL\/ph\u00fat<\/td>\n<\/tr>\n<tr>\n<td>\u00c1p su\u1ea5t \u0111\u1ea7u v\u00e0o<\/td>\n<td colspan=\"4\">\uff080.1-0.3\uff09 thanh<\/td>\n<\/tr>\n<tr>\n<td>Ph\u1ea1m vi nhi\u1ec7t \u0111\u1ed9 n\u01b0\u1edbc \u0111\u1ea7u v\u00e0o<\/td>\n<td colspan=\"4\">\uff080-40\uff09\u2103<\/td>\n<\/tr>\n<tr>\n<td>Ngu\u1ed3n \u0111i\u1ec7n<\/td>\n<td colspan=\"4\">AC (100-240)V\uff1b 50\/60Hz<\/td>\n<\/tr>\n<tr>\n<td>S\u1ee9c m\u1ea1nh<\/td>\n<td colspan=\"4\">120W<\/td>\n<\/tr>\n<tr>\n<td>K\u1ebft n\u1ed1i ngu\u1ed3n<\/td>\n<td colspan=\"4\">D\u00e2y ngu\u1ed3n 3 l\u00f5i c\u00f3 ph\u00edch c\u1eafm \u0111\u01b0\u1ee3c n\u1ed1i v\u00e0o \u1ed5 \u0111i\u1ec7n b\u1eb1ng d\u00e2y n\u1ed1i \u0111\u1ea5t<\/td>\n<\/tr>\n<tr>\n<td>\u0110\u1ea7u ra d\u1eef li\u1ec7u<\/td>\n<td colspan=\"4\">RS232\/RS485\/\uff084\uff5e20\uff09mA<\/td>\n<\/tr>\n<tr>\n<td>K\u00edch th\u01b0\u1edbc<\/td>\n<td colspan=\"4\">H*W*D\uff1a\uff08800*400*200\uff09mm<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/figure>\n<p>\nHi\u1ec7u chu\u1ea9n l\u00e0 qu\u00e1 tr\u00ecnh \u0111i\u1ec1u ch\u1ec9nh s\u1ed1 \u0111\u1ecdc c\u1ee7a d\u1ee5ng c\u1ee5 \u0111o \u0111\u1ec3 ph\u00f9 h\u1ee3p v\u1edbi c\u00e1c ti\u00eau chu\u1ea9n \u0111\u00e3 bi\u1ebft. Trong tr\u01b0\u1eddng h\u1ee3p m\u00e1y \u0111o oxy h\u00f2a tan, vi\u1ec7c hi\u1ec7u chu\u1ea9n bao g\u1ed3m vi\u1ec7c x\u00e1c minh \u0111\u1ed9 ch\u00ednh x\u00e1c c\u1ee7a thi\u1ebft b\u1ecb b\u1eb1ng c\u00e1ch so s\u00e1nh s\u1ed1 \u0111\u1ecdc c\u1ee7a thi\u1ebft b\u1ecb v\u1edbi s\u1ed1 \u0111\u1ecdc c\u1ee7a dung d\u1ecbch chu\u1ea9n \u0111\u00e3 bi\u1ebft. Qu\u00e1 tr\u00ecnh n\u00e0y gi\u00fap kh\u1eafc ph\u1ee5c m\u1ecdi l\u1ed7i ti\u1ec1m \u1ea9n ho\u1eb7c sai l\u1ec7ch trong ph\u00e9p \u0111o c\u1ee7a thi\u1ebft b\u1ecb, \u0111\u1ea3m b\u1ea3o r\u1eb1ng k\u1ebft qu\u1ea3 \u0111o ch\u00ednh x\u00e1c v\u00e0 \u0111\u00e1ng tin c\u1eady.<\/p>\n<p>Vi\u1ec7c hi\u1ec7u chu\u1ea9n \u0111\u00fang c\u00e1ch m\u00e1y \u0111o oxy h\u00f2a tan l\u00e0 r\u1ea5t quan tr\u1ecdng v\u00ec nhi\u1ec1u l\u00fd do. Th\u1ee9 nh\u1ea5t, c\u00e1c ph\u00e9p \u0111o ch\u00ednh x\u00e1c l\u00e0 c\u1ea7n thi\u1ebft \u0111\u1ec3 duy tr\u00ec ti\u00eau chu\u1ea9n ch\u1ea5t l\u01b0\u1ee3ng n\u01b0\u1edbc v\u00e0 \u0111\u1ea3m b\u1ea3o s\u1ee9c kh\u1ecfe c\u1ee7a c\u00e1c sinh v\u1eadt d\u01b0\u1edbi n\u01b0\u1edbc. Vi\u1ec7c \u0111\u1ecdc kh\u00f4ng ch\u00ednh x\u00e1c c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn \u0111\u00e1nh gi\u00e1 sai n\u1ed3ng \u0111\u1ed9 oxy, c\u00f3 kh\u1ea3 n\u0103ng g\u00e2y h\u1ea1i cho c\u00e1 v\u00e0 c\u00e1c sinh v\u1eadt th\u1ee7y sinh kh\u00e1c. B\u1eb1ng c\u00e1ch hi\u1ec7u chu\u1ea9n m\u00e1y \u0111o oxy h\u00f2a tan th\u01b0\u1eddng xuy\u00ean, ng\u01b0\u1eddi v\u1eadn h\u00e0nh c\u00f3 th\u1ec3 \u0111\u1ea3m b\u1ea3o r\u1eb1ng c\u00e1c ph\u00e9p \u0111o c\u1ee7a h\u1ecd \u0111\u00e1ng tin c\u1eady v\u00e0 ch\u00ednh x\u00e1c.<\/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 pH\/ORP-1800 pH\/ORP<\/td>\n<\/tr>\n<tr>\n<td>Ph\u1ea1m vi<\/td>\n<td>0-14 pH; -1600 &#8211; +1600mV<\/td>\n<\/tr>\n<tr>\n<td>\u0110\u1ed9 ch\u00ednh x\u00e1c<\/td>\n<td>\u00b10.1pH; \u00b12mV<\/td>\n<\/tr>\n<tr>\n<td>Nhi\u1ec7t \u0111\u1ed9. Comp.<\/td>\n<td>B\u00f9 nhi\u1ec7t \u0111\u1ed9 b\u1eb1ng tay\/t\u1ef1 \u0111\u1ed9ng; Kh\u00f4ng c\u00f3 ph\u1ea7n b\u00f9<\/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\uff5e100\u2103<\/td>\n<\/tr>\n<tr>\n<td>C\u1ea3m bi\u1ebfn<\/td>\n<td>c\u1ea3m bi\u1ebfn pH \u0111\u00f4i\/ba; C\u1ea3m bi\u1ebfn ORP<\/td>\n<\/tr>\n<tr>\n<td>Hi\u1ec3n th\u1ecb<\/td>\n<td>M\u00e0n h\u00ecnh LCD 128*64<\/td>\n<\/tr>\n<tr>\n<td>Giao ti\u1ebfp<\/td>\n<td>\u0110\u1ea7u ra 4-20mA\/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>96\u00d796\u00d7100mm(H\u00d7W\u00d7L)<\/td>\n<\/tr>\n<tr>\n<td>K\u00edch th\u01b0\u1edbc l\u1ed7<\/td>\n<td>92\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>Ngo\u00e0i ra, vi\u1ec7c hi\u1ec7u chu\u1ea9n gi\u00fap x\u00e1c \u0111\u1ecbnh v\u00e0 kh\u1eafc ph\u1ee5c m\u1ecdi sai l\u1ec7ch ho\u1eb7c thay \u0111\u1ed5i v\u1ec1 hi\u1ec7u su\u1ea5t c\u1ee7a thi\u1ebft b\u1ecb theo th\u1eddi gian. Gi\u1ed1ng nh\u01b0 t\u1ea5t c\u1ea3 c\u00e1c thi\u1ebft b\u1ecb \u0111o, m\u00e1y \u0111o oxy h\u00f2a tan c\u00f3 th\u1ec3 b\u1ecb l\u1ec7ch do c\u00e1c y\u1ebfu t\u1ed1 nh\u01b0 thay \u0111\u1ed5i nhi\u1ec7t \u0111\u1ed9, ti\u1ebfp x\u00fac v\u1edbi ch\u1ea5t g\u00e2y \u00f4 nhi\u1ec5m ho\u1eb7c hao m\u00f2n th\u00f4ng th\u01b0\u1eddng. Hi\u1ec7u chu\u1ea9n th\u01b0\u1eddng xuy\u00ean cho ph\u00e9p ng\u01b0\u1eddi v\u1eadn h\u00e0nh ph\u00e1t hi\u1ec7n v\u00e0 kh\u1eafc ph\u1ee5c nh\u1eefng sai l\u1ec7ch n\u00e0y, \u0111\u1ea3m b\u1ea3o r\u1eb1ng thi\u1ebft b\u1ecb ti\u1ebfp t\u1ee5c cung c\u1ea5p c\u00e1c ph\u00e9p \u0111o ch\u00ednh x\u00e1c.<\/p>\n<div class=\"entry-content-asset videofit\"><iframe loading=\"lazy\" title=\"What are the different types of pressure sensor?\" width=\"720\" height=\"405\" src=\"https:\/\/www.youtube.com\/embed\/lU1VsQWWjzo?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>Hi\u1ec7u chu\u1ea9n c\u0169ng \u0111\u00f3ng m\u1ed9t vai tr\u00f2 quan tr\u1ecdng trong vi\u1ec7c ki\u1ec3m so\u00e1t ch\u1ea5t l\u01b0\u1ee3ng v\u00e0 tu\u00e2n th\u1ee7 quy \u0111\u1ecbnh. Nhi\u1ec1u ng\u00e0nh c\u00f4ng nghi\u1ec7p nh\u01b0 nu\u00f4i tr\u1ed3ng th\u1ee7y s\u1ea3n v\u00e0 x\u1eed l\u00fd n\u01b0\u1edbc th\u1ea3i ph\u1ea3i tu\u00e2n theo c\u00e1c quy \u0111\u1ecbnh nghi\u00eam ng\u1eb7t v\u1ec1 ti\u00eau chu\u1ea9n ch\u1ea5t l\u01b0\u1ee3ng n\u01b0\u1edbc. M\u00e1y \u0111o oxy h\u00f2a tan \u0111\u01b0\u1ee3c hi\u1ec7u chu\u1ea9n \u0111\u00fang c\u00e1ch l\u00e0 \u0111i\u1ec1u c\u1ea7n thi\u1ebft \u0111\u1ec3 \u0111\u00e1p \u1ee9ng c\u00e1c y\u00eau c\u1ea7u quy \u0111\u1ecbnh n\u00e0y v\u00e0 th\u1ec3 hi\u1ec7n s\u1ef1 tu\u00e2n th\u1ee7 c\u00e1c ti\u00eau chu\u1ea9n m\u00f4i tr\u01b0\u1eddng. Vi\u1ec7c kh\u00f4ng hi\u1ec7u chu\u1ea9n c\u00e1c thi\u1ebft b\u1ecb n\u00e0y c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn d\u1eef li\u1ec7u kh\u00f4ng ch\u00ednh x\u00e1c, c\u00f3 kh\u1ea3 n\u0103ng b\u1ecb ph\u1ea1t v\u00e0 g\u00e2y thi\u1ec7t h\u1ea1i cho m\u00f4i tr\u01b0\u1eddng.<\/p>\n<p>\u0110\u1ec3 hi\u1ec7u ch\u1ec9nh m\u00e1y \u0111o oxy h\u00f2a tan, ng\u01b0\u1eddi v\u1eadn h\u00e0nh th\u01b0\u1eddng s\u1eed d\u1ee5ng c\u00e1c gi\u1ea3i ph\u00e1p hi\u1ec7u chu\u1ea9n c\u00f3 n\u1ed3ng \u0111\u1ed9 oxy \u0111\u00e3 bi\u1ebft. C\u00e1c gi\u1ea3i ph\u00e1p n\u00e0y \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 x\u00e1c minh t\u00ednh ch\u00ednh x\u00e1c c\u1ee7a s\u1ed1 li\u1ec7u tr\u00ean \u0111\u1ed3ng h\u1ed3 v\u00e0 th\u1ef1c hi\u1ec7n m\u1ecdi \u0111i\u1ec1u ch\u1ec9nh c\u1ea7n thi\u1ebft. Vi\u1ec7c hi\u1ec7u chu\u1ea9n ph\u1ea3i \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n th\u01b0\u1eddng xuy\u00ean, tu\u00e2n theo h\u01b0\u1edbng d\u1eabn v\u00e0 ph\u01b0\u01a1ng ph\u00e1p th\u1ef1c h\u00e0nh t\u1ed1t nh\u1ea5t c\u1ee7a nh\u00e0 s\u1ea3n xu\u1ea5t \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o hi\u1ec7u su\u1ea5t t\u1ed1i \u01b0u.<\/p>\n<p>T\u00f3m l\u1ea1i, vi\u1ec7c hi\u1ec7u chu\u1ea9n \u0111\u00fang c\u00e1ch m\u00e1y \u0111o oxy h\u00f2a tan l\u00e0 \u0111i\u1ec1u c\u1ea7n thi\u1ebft \u0111\u1ec3 \u0111o ch\u00ednh x\u00e1c, duy tr\u00ec ch\u1ea5t l\u01b0\u1ee3ng n\u01b0\u1edbc v\u00e0 \u0111\u1ea3m b\u1ea3o tu\u00e2n th\u1ee7 quy \u0111\u1ecbnh. B\u1eb1ng c\u00e1ch hi\u1ec7u ch\u1ec9nh c\u00e1c thi\u1ebft b\u1ecb n\u00e0y th\u01b0\u1eddng xuy\u00ean v\u00e0 tu\u00e2n theo c\u00e1c bi\u1ec7n ph\u00e1p th\u1ef1c h\u00e0nh t\u1ed1t nh\u1ea5t, ng\u01b0\u1eddi v\u1eadn h\u00e0nh c\u00f3 th\u1ec3 \u0111\u1ea3m b\u1ea3o r\u1eb1ng c\u00e1c ph\u00e9p \u0111o c\u1ee7a h\u1ecd l\u00e0 \u0111\u00e1ng tin c\u1eady v\u00e0 \u0111\u00e1ng tin c\u1eady. Hi\u1ec7u chu\u1ea9n th\u01b0\u1eddng xuy\u00ean gi\u00fap x\u00e1c \u0111\u1ecbnh v\u00e0 kh\u1eafc ph\u1ee5c m\u1ecdi sai l\u1ec7ch trong ho\u1ea1t \u0111\u1ed9ng c\u1ee7a thi\u1ebft b\u1ecb, \u0111\u1ea3m b\u1ea3o r\u1eb1ng thi\u1ebft b\u1ecb ti\u1ebfp t\u1ee5c cung c\u1ea5p d\u1eef li\u1ec7u ch\u00ednh x\u00e1c. Nh\u00ecn chung, hi\u1ec7u chu\u1ea9n l\u00e0 m\u1ed9t b\u01b0\u1edbc quan tr\u1ecdng trong vi\u1ec7c b\u1ea3o tr\u00ec v\u00e0 v\u1eadn h\u00e0nh \u0111\u00fang c\u00e1ch m\u00e1y \u0111o oxy h\u00f2a tan trong c\u00e1c ng\u00e0nh c\u00f4ng nghi\u1ec7p kh\u00e1c nhau.<\/p>\n<h1 id=\"step-by-step-guide-to-calibrating-your-dissolved-oxygen-meter-wpaicgheading\"><span class=\"ez-toc-section\" id=\"Huong_dan_tung_buoc_de_hieu_chinh_may_do_oxy_hoa_tan\"><\/span>H\u01b0\u1edbng d\u1eabn t\u1eebng b\u01b0\u1edbc \u0111\u1ec3 hi\u1ec7u ch\u1ec9nh m\u00e1y \u0111o oxy h\u00f2a tan<span class=\"ez-toc-section-end\"><\/span><\/h1>\n<p>\nHi\u1ec7u ch\u1ec9nh m\u00e1y \u0111o oxy h\u00f2a tan l\u00e0 m\u1ed9t b\u01b0\u1edbc quan tr\u1ecdng \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o \u0111o ch\u00ednh x\u00e1c n\u1ed3ng \u0111\u1ed9 oxy trong n\u01b0\u1edbc. Hi\u1ec7u chu\u1ea9n ph\u00f9 h\u1ee3p gi\u00fap duy tr\u00ec \u0111\u1ed9 tin c\u1eady v\u00e0 \u0111\u1ed9 ch\u00ednh x\u00e1c c\u1ee7a \u0111\u1ed3ng h\u1ed3, \u0111i\u1ec1u n\u00e0y r\u1ea5t c\u1ea7n thi\u1ebft cho c\u00e1c \u1ee9ng d\u1ee5ng kh\u00e1c nhau nh\u01b0 nu\u00f4i tr\u1ed3ng th\u1ee7y s\u1ea3n, gi\u00e1m s\u00e1t m\u00f4i tr\u01b0\u1eddng v\u00e0 \u0111\u00e1nh gi\u00e1 ch\u1ea5t l\u01b0\u1ee3ng n\u01b0\u1edbc. Trong h\u01b0\u1edbng d\u1eabn t\u1eebng b\u01b0\u1edbc n\u00e0y, ch\u00fang t\u00f4i s\u1ebd h\u01b0\u1edbng d\u1eabn b\u1ea1n quy tr\u00ecnh hi\u1ec7u ch\u1ec9nh m\u00e1y \u0111o oxy h\u00f2a tan \u0111\u1ec3 gi\u00fap b\u1ea1n \u0111\u1ea1t \u0111\u01b0\u1ee3c k\u1ebft qu\u1ea3 ch\u00ednh x\u00e1c v\u00e0 \u0111\u00e1ng tin c\u1eady.<\/p>\n<p>\u0110\u1ec3 b\u1eaft \u0111\u1ea7u qu\u00e1 tr\u00ecnh hi\u1ec7u chu\u1ea9n, b\u1ea1n s\u1ebd c\u1ea7n m\u1ed9t b\u1ed9 hi\u1ec7u chu\u1ea9n oxy h\u00f2a tan, th\u01b0\u1eddng l\u00e0 bao g\u1ed3m c\u00e1c dung d\u1ecbch hi\u1ec7u chu\u1ea9n c\u00f3 n\u1ed3ng \u0111\u1ed9 oxy \u0111\u00e3 bi\u1ebft. Nh\u1eefng gi\u1ea3i ph\u00e1p n\u00e0y \u0111\u00f3ng vai tr\u00f2 l\u00e0 \u0111i\u1ec3m tham chi\u1ebfu \u0111\u1ec3 hi\u1ec7u ch\u1ec9nh \u0111\u1ed3ng h\u1ed3 c\u1ee7a b\u1ea1n. \u0110i\u1ec1u quan tr\u1ecdng l\u00e0 s\u1eed d\u1ee5ng c\u00e1c dung d\u1ecbch hi\u1ec7u chu\u1ea9n m\u1edbi v\u00e0 \u0111\u1ea3m b\u1ea3o ch\u00fang \u0111\u01b0\u1ee3c b\u1ea3o qu\u1ea3n \u0111\u00fang c\u00e1ch \u0111\u1ec3 duy tr\u00ec \u0111\u1ed9 ch\u00ednh x\u00e1c.<\/p>\n<p>B\u01b0\u1edbc \u0111\u1ea7u ti\u00ean trong vi\u1ec7c hi\u1ec7u ch\u1ec9nh m\u00e1y \u0111o oxy h\u00f2a tan l\u00e0 chu\u1ea9n b\u1ecb c\u00e1c dung d\u1ecbch hi\u1ec7u chu\u1ea9n theo h\u01b0\u1edbng d\u1eabn c\u1ee7a nh\u00e0 s\u1ea3n xu\u1ea5t. \u0110\u1ea3m b\u1ea3o d\u00e1n nh\u00e3n r\u00f5 r\u00e0ng cho t\u1eebng dung d\u1ecbch \u0111\u1ec3 tr\u00e1nh nh\u1ea7m l\u1eabn trong qu\u00e1 tr\u00ecnh hi\u1ec7u chu\u1ea9n. Sau khi chu\u1ea9n b\u1ecb xong c\u00e1c dung d\u1ecbch, h\u00e3y \u0111\u1ec3 ch\u00fang c\u00e2n b\u1eb1ng v\u1edbi nhi\u1ec7t \u0111\u1ed9 c\u1ee7a m\u1eabu n\u01b0\u1edbc \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o s\u1ed1 \u0111\u1ecdc ch\u00ednh x\u00e1c.<\/p>\n<p>Ti\u1ebfp theo, b\u1eadt m\u00e1y \u0111o oxy h\u00f2a tan v\u00e0 \u0111\u1ec3 m\u00e1y \u1ea5m l\u00ean trong th\u1eddi gian quy \u0111\u1ecbnh do nh\u00e0 s\u1ea3n xu\u1ea5t khuy\u1ebfn ngh\u1ecb. B\u01b0\u1edbc n\u00e0y r\u1ea5t quan tr\u1ecdng \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o m\u00e1y \u0111o ho\u1ea1t \u0111\u1ed9ng b\u00ecnh th\u01b0\u1eddng tr\u01b0\u1edbc khi hi\u1ec7u chu\u1ea9n. Sau khi m\u00e1y \u0111o \u0111\u00e3 s\u1eb5n s\u00e0ng, h\u00e3y nh\u00fang c\u1ea3m bi\u1ebfn v\u00e0o dung d\u1ecbch hi\u1ec7u chu\u1ea9n \u0111\u1ea7u ti\u00ean v\u00e0 \u0111\u1ee3i k\u1ebft qu\u1ea3 \u0111o \u1ed5n \u0111\u1ecbnh. So s\u00e1nh s\u1ed1 \u0111\u1ecdc tr\u00ean m\u00e1y \u0111o v\u1edbi n\u1ed3ng \u0111\u1ed9 oxy \u0111\u00e3 bi\u1ebft c\u1ee7a dung d\u1ecbch hi\u1ec7u chu\u1ea9n.<\/p>\n<p>N\u1ebfu c\u00f3 s\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa s\u1ed1 \u0111\u1ecdc tr\u00ean m\u00e1y \u0111o v\u00e0 n\u1ed3ng \u0111\u1ed9 \u0111\u00e3 bi\u1ebft c\u1ee7a dung d\u1ecbch hi\u1ec7u chu\u1ea9n, b\u1ea1n s\u1ebd c\u1ea7n \u0111i\u1ec1u ch\u1ec9nh hi\u1ec7u chu\u1ea9n m\u00e1y \u0111o. H\u1ea7u h\u1ebft c\u00e1c m\u00e1y \u0111o oxy h\u00f2a tan \u0111\u1ec1u cho ph\u00e9p \u0111i\u1ec1u ch\u1ec9nh hi\u1ec7u chu\u1ea9n th\u1ee7 c\u00f4ng b\u1eb1ng tu\u1ed1c n\u01a1 v\u00edt ho\u1eb7c n\u00fam hi\u1ec7u ch\u1ec9nh. L\u00e0m theo h\u01b0\u1edbng d\u1eabn c\u1ee7a nh\u00e0 s\u1ea3n xu\u1ea5t \u0111\u1ec3 th\u1ef1c hi\u1ec7n c\u00e1c \u0111i\u1ec1u ch\u1ec9nh c\u1ea7n thi\u1ebft cho \u0111\u1ebfn khi ch\u1ec9 s\u1ed1 tr\u00ean m\u00e1y \u0111o kh\u1edbp v\u1edbi n\u1ed3ng \u0111\u1ed9 \u0111\u00e3 bi\u1ebft c\u1ee7a dung d\u1ecbch hi\u1ec7u chu\u1ea9n.<\/p>\n<p>[nh\u00fang]http:\/\/shchimay.com\/wp-content\/uploads\/2023\/11\/BSQ-MINI\u6c34\u8d28\u53d8\u9001\u5668.mp4[\/embed]Sau khi hi\u1ec7u chu\u1ea9n m\u00e1y \u0111o b\u1eb1ng dung d\u1ecbch hi\u1ec7u chu\u1ea9n \u0111\u1ea7u ti\u00ean, r\u1eeda k\u1ef9 c\u1ea3m bi\u1ebfn b\u1eb1ng n\u01b0\u1edbc kh\u1eed ion \u0111\u1ec3 lo\u1ea1i b\u1ecf c\u1eb7n tr\u01b0\u1edbc khi ti\u1ebfn h\u00e0nh dung d\u1ecbch hi\u1ec7u chu\u1ea9n ti\u1ebfp theo. L\u1eb7p l\u1ea1i quy tr\u00ecnh t\u01b0\u01a1ng t\u1ef1 v\u1edbi c\u00e1c dung d\u1ecbch hi\u1ec7u chu\u1ea9n c\u00f2n l\u1ea1i, \u0111i\u1ec1u ch\u1ec9nh hi\u1ec7u chu\u1ea9n n\u1ebfu c\u1ea7n \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o s\u1ed1 \u0111\u1ecdc ch\u00ednh x\u00e1c \u1edf m\u1ed7i n\u1ed3ng \u0111\u1ed9.<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/chimaytech.net\/wp-content\/uploads\/2024\/05\/DO-1800-Spec-Dissolved-oxygen-measurement-and-control-instrumentpng.jpg\" alt=\"alt-4124\" class=\"wp-image-4124\" id=\"i4124\" \/><\/p>\n<p>Sau khi b\u1ea1n \u0111\u00e3 hi\u1ec7u chu\u1ea9n m\u00e1y \u0111o b\u1eb1ng t\u1ea5t c\u1ea3 c\u00e1c dung d\u1ecbch hi\u1ec7u chu\u1ea9n, h\u00e3y r\u1eeda l\u1ea1i c\u1ea3m bi\u1ebfn b\u1eb1ng n\u01b0\u1edbc kh\u1eed ion \u0111\u1ec3 lo\u1ea1i b\u1ecf m\u1ecdi d\u1ea5u v\u1ebft c\u1ee7a dung d\u1ecbch hi\u1ec7u chu\u1ea9n. Cu\u1ed1i c\u00f9ng, th\u1ef1c hi\u1ec7n ki\u1ec3m tra l\u1ea7n cu\u1ed1i b\u1eb1ng c\u00e1ch nh\u00fang c\u1ea3m bi\u1ebfn v\u00e0o m\u1eabu n\u01b0\u1edbc s\u1ea1ch v\u00e0 x\u00e1c minh r\u1eb1ng \u0111\u1ed3ng h\u1ed3 \u0111o \u0111\u1ed9 b\u00e3o h\u00f2a g\u1ea7n 100%, cho bi\u1ebft hi\u1ec7u chu\u1ea9n \u0111\u00e3 th\u00e0nh c\u00f4ng.<\/p>\n<p>T\u00f3m l\u1ea1i, hi\u1ec7u ch\u1ec9nh m\u00e1y \u0111o oxy h\u00f2a tan l\u00e0 m\u1ed9t b\u01b0\u1edbc quan tr\u1ecdng trong duy tr\u00ec \u0111\u1ed9 ch\u00ednh x\u00e1c v\u00e0 \u0111\u1ed9 tin c\u1eady c\u1ee7a ph\u00e9p \u0111o c\u1ee7a b\u1ea1n. B\u1eb1ng c\u00e1ch l\u00e0m theo h\u01b0\u1edbng d\u1eabn t\u1eebng b\u01b0\u1edbc n\u00e0y v\u00e0 s\u1eed d\u1ee5ng c\u00e1c gi\u1ea3i ph\u00e1p hi\u1ec7u chu\u1ea9n m\u1edbi, b\u1ea1n c\u00f3 th\u1ec3 \u0111\u1ea3m b\u1ea3o r\u1eb1ng \u0111\u1ed3ng h\u1ed3 c\u1ee7a b\u1ea1n cung c\u1ea5p s\u1ed1 li\u1ec7u ch\u00ednh x\u00e1c cho vi\u1ec7c \u0111\u00e1nh gi\u00e1 ch\u1ea5t l\u01b0\u1ee3ng n\u01b0\u1edbc v\u00e0 c\u00e1c \u1ee9ng d\u1ee5ng kh\u00e1c. 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