{"id":9693,"date":"2024-04-01T19:59:59","date_gmt":"2024-04-01T11:59:59","guid":{"rendered":"https:\/\/shchimay.com\/?p=9693"},"modified":"2024-04-02T00:39:37","modified_gmt":"2024-04-01T16:39:37","slug":"how-to-use-ph-controller","status":"publish","type":"post","link":"https:\/\/shchimay.com\/vi\/how-to-use-ph-controller\/","title":{"rendered":"c\u00e1ch s\u1eed d\u1ee5ng b\u1ed9 \u0111i\u1ec1u khi\u1ec3n ph"},"content":{"rendered":"<p>&#8220;Duy tr\u00ec m\u1ee9c \u0111\u1ed9 pH t\u1ed1i \u01b0u m\u1ed9t c\u00e1ch d\u1ec5 d\u00e0ng b\u1eb1ng b\u1ed9 \u0111i\u1ec1u khi\u1ec3n pH.&#8221;<\/p>\n<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\/how-to-use-ph-controller\/#Hieu_chuan_dung_cach_bo_dieu_khien_pH\" title=\"Hi\u1ec7u chu\u1ea9n \u0111\u00fang c\u00e1ch b\u1ed9 \u0111i\u1ec1u khi\u1ec3n pH\">Hi\u1ec7u chu\u1ea9n \u0111\u00fang c\u00e1ch b\u1ed9 \u0111i\u1ec1u khi\u1ec3n pH<\/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\/how-to-use-ph-controller\/#Khac_phuc_su_co_thuong_gap_voi_bo_dieu_khien_pH\" title=\"Kh\u1eafc ph\u1ee5c s\u1ef1 c\u1ed1 th\u01b0\u1eddng g\u1eb7p v\u1edbi b\u1ed9 \u0111i\u1ec1u khi\u1ec3n pH\">Kh\u1eafc ph\u1ee5c s\u1ef1 c\u1ed1 th\u01b0\u1eddng g\u1eb7p v\u1edbi b\u1ed9 \u0111i\u1ec1u khi\u1ec3n pH<\/a><\/li><\/ul><\/nav><\/div>\n<h1 id=\"proper-calibration-of-ph-controller-wpaicgheading\"><span class=\"ez-toc-section\" id=\"Hieu_chuan_dung_cach_bo_dieu_khien_pH\"><\/span>Hi\u1ec7u chu\u1ea9n \u0111\u00fang c\u00e1ch b\u1ed9 \u0111i\u1ec1u khi\u1ec3n pH<span class=\"ez-toc-section-end\"><\/span><\/h1>\n<p>\nVi\u1ec7c hi\u1ec7u chu\u1ea9n \u0111\u00fang c\u00e1ch b\u1ed9 \u0111i\u1ec1u khi\u1ec3n pH l\u00e0 \u0111i\u1ec1u c\u1ea7n thi\u1ebft \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o ch\u1ec9 s\u1ed1 pH ch\u00ednh x\u00e1c v\u00e0 \u0111\u00e1ng tin c\u1eady trong dung d\u1ecbch. B\u1ed9 \u0111i\u1ec1u khi\u1ec3n pH l\u00e0 thi\u1ebft b\u1ecb t\u1ef1 \u0111\u1ed9ng theo d\u00f5i v\u00e0 \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 pH c\u1ee7a dung d\u1ecbch, khi\u1ebfn n\u00f3 tr\u1edf th\u00e0nh m\u1ed9t c\u00f4ng c\u1ee5 quan tr\u1ecdng trong nhi\u1ec1u ng\u00e0nh c\u00f4ng nghi\u1ec7p kh\u00e1c nhau nh\u01b0 x\u1eed l\u00fd n\u01b0\u1edbc, n\u00f4ng nghi\u1ec7p v\u00e0 ch\u1ebf bi\u1ebfn th\u1ef1c ph\u1ea9m. \u0110\u1ec3 \u0111\u1ea3m b\u1ea3o b\u1ed9 \u0111i\u1ec1u khi\u1ec3n pH ho\u1ea1t \u0111\u1ed9ng b\u00ecnh th\u01b0\u1eddng, \u0111i\u1ec1u quan tr\u1ecdng l\u00e0 ph\u1ea3i hi\u1ec7u ch\u1ec9nh n\u00f3 ch\u00ednh x\u00e1c.<\/p>\n<div class=\"entry-content-asset videofit\"><iframe loading=\"lazy\" title=\"water pipe plastic connector factory\" width=\"720\" height=\"405\" src=\"https:\/\/www.youtube.com\/embed\/ByNRSPEuiNA?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>\nB\u01b0\u1edbc \u0111\u1ea7u ti\u00ean trong vi\u1ec7c hi\u1ec7u ch\u1ec9nh b\u1ed9 \u0111i\u1ec1u khi\u1ec3n pH l\u00e0 thu th\u1eadp t\u1ea5t c\u1ea3 c\u00e1c thi\u1ebft b\u1ecb c\u1ea7n thi\u1ebft. \u0110i\u1ec1u n\u00e0y bao g\u1ed3m m\u00e1y \u0111o pH, dung d\u1ecbch hi\u1ec7u chu\u1ea9n (pH 4 v\u00e0 pH 7), n\u01b0\u1edbc c\u1ea5t, b\u00ecnh ch\u1ee9a s\u1ea1ch v\u00e0 m\u00e1y khu\u1ea5y. \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 r\u1eb1ng m\u00e1y \u0111o pH s\u1ea1ch s\u1ebd v\u00e0 \u1edf t\u00ecnh tr\u1ea1ng ho\u1ea1t \u0111\u1ed9ng t\u1ed1t.<\/p>\n<p>Khi thi\u1ebft b\u1ecb \u0111\u00e3 s\u1eb5n s\u00e0ng, b\u01b0\u1edbc ti\u1ebfp theo l\u00e0 chu\u1ea9n b\u1ecb c\u00e1c dung d\u1ecbch hi\u1ec7u chu\u1ea9n. B\u1eaft \u0111\u1ea7u b\u1eb1ng c\u00e1ch r\u1eeda s\u1ea1ch th\u00f9ng ch\u1ee9a b\u1eb1ng n\u01b0\u1edbc c\u1ea5t \u0111\u1ec3 lo\u1ea1i b\u1ecf c\u1eb7n. Sau \u0111\u00f3, \u0111\u1ed5 m\u1ed9t l\u01b0\u1ee3ng nh\u1ecf dung d\u1ecbch hi\u1ec7u chu\u1ea9n pH 7 v\u00e0o th\u00f9ng ch\u1ee9a. \u0110\u1ea3m b\u1ea3o s\u1eed d\u1ee5ng \u0111\u1ee7 dung d\u1ecbch \u0111\u1ec3 ng\u1eadp ho\u00e0n to\u00e0n \u0111i\u1ec7n c\u1ef1c c\u1ee7a m\u00e1y \u0111o pH.<\/p>\n<p>Sau khi chu\u1ea9n b\u1ecb dung d\u1ecbch hi\u1ec7u chu\u1ea9n, \u0111\u00e3 \u0111\u1ebfn l\u00fac hi\u1ec7u ch\u1ec9nh b\u1ed9 \u0111i\u1ec1u khi\u1ec3n pH. B\u1eaft \u0111\u1ea7u b\u1eb1ng c\u00e1ch b\u1eadt m\u00e1y \u0111o pH v\u00e0 \u0111\u1eb7t \u0111i\u1ec7n c\u1ef1c v\u00e0o dung d\u1ecbch hi\u1ec7u chu\u1ea9n pH 7. \u0110\u1ec3 m\u00e1y \u1ed5n \u0111\u1ecbnh v\u00e0 sau \u0111\u00f3 \u0111i\u1ec1u ch\u1ec9nh s\u1ed1 \u0111\u1ecdc cho ph\u00f9 h\u1ee3p v\u1edbi gi\u00e1 tr\u1ecb pH 7. Vi\u1ec7c n\u00e0y th\u01b0\u1eddng c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n b\u1eb1ng c\u00e1ch xoay n\u00fam ho\u1eb7c nh\u1ea5n n\u00fat tr\u00ean b\u1ed9 \u0111i\u1ec1u khi\u1ec3n pH.<\/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;Kh\u1ea3 n\u0103ng 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 m\u00e1y \u0111o pH \u0111\u01b0\u1ee3c hi\u1ec7u chu\u1ea9n th\u00e0nh dung d\u1ecbch pH 7, h\u00e3y r\u1eeda \u0111i\u1ec7n c\u1ef1c b\u1eb1ng n\u01b0\u1edbc c\u1ea5t v\u00e0 l\u1eb7p l\u1ea1i quy tr\u00ecnh v\u1edbi dung d\u1ecbch hi\u1ec7u chu\u1ea9n pH 4. M\u1ed9t l\u1ea7n n\u1eefa, \u0111\u1ec3 m\u00e1y \u0111o \u1ed5n \u0111\u1ecbnh v\u00e0 \u0111i\u1ec1u ch\u1ec9nh s\u1ed1 \u0111\u1ecdc cho ph\u00f9 h\u1ee3p v\u1edbi gi\u00e1 tr\u1ecb pH 4. B\u01b0\u1edbc n\u00e0y r\u1ea5t quan tr\u1ecdng \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 ch\u00ednh x\u00e1c c\u1ee7a b\u1ed9 \u0111i\u1ec1u khi\u1ec3n pH tr\u00ean ph\u1ea1m vi \u0111\u1ed9 pH r\u1ed9ng h\u01a1n.<\/p>\n<p>\n<img decoding=\"async\" src=\"https:\/\/shchimay.com\/wp-content\/uploads\/2024\/04\/MFC-1202-MFC-1382-General-Multi-parameter-Online-Controller.png\" alt=\"alt-759\" class=\"wp-image-759\" id=\"i759\" \/><br \/>\nSau khi hi\u1ec7u ch\u1ec9nh b\u1ed9 \u0111i\u1ec1u khi\u1ec3n pH cho c\u1ea3 dung d\u1ecbch pH 4 v\u00e0 pH 7, \u0111i\u1ec1u quan tr\u1ecdng l\u00e0 ph\u1ea3i r\u1eeda s\u1ea1ch \u0111i\u1ec7n c\u1ef1c b\u1eb1ng n\u01b0\u1edbc c\u1ea5t \u0111\u1ec3 lo\u1ea1i b\u1ecf c\u1eb7n. \u0110i\u1ec1u n\u00e0y s\u1ebd gi\u00fap ng\u0103n ng\u1eeba \u00f4 nhi\u1ec5m v\u00e0 \u0111\u1ea3m b\u1ea3o k\u1ebft qu\u1ea3 \u0111o ch\u00ednh x\u00e1c trong t\u01b0\u01a1ng lai. B\u1ea1n c\u0169ng n\u00ean b\u1ea3o qu\u1ea3n m\u00e1y \u0111o pH \u1edf n\u01a1i kh\u00f4 r\u00e1o, s\u1ea1ch s\u1ebd khi kh\u00f4ng s\u1eed d\u1ee5ng.<\/p>\n<p><img decoding=\"async\" src=\"http:\/\/shchimay.com\/wp-content\/uploads\/2023\/11\/CL-9500-Water-Quality-Test-Residual-Chlorine-Controller2-1.png\" alt=\"alt-7510\" class=\"wp-image-7510\" id=\"i7510\" \/><\/p>\n<p>T\u00f3m l\u1ea1i, vi\u1ec7c hi\u1ec7u chu\u1ea9n th\u00edch h\u1ee3p b\u1ed9 \u0111i\u1ec1u khi\u1ec3n pH l\u00e0 \u0111i\u1ec1u c\u1ea7n thi\u1ebft \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o ch\u1ec9 s\u1ed1 pH ch\u00ednh x\u00e1c v\u00e0 \u0111\u00e1ng tin c\u1eady trong dung d\u1ecbch. B\u1eb1ng c\u00e1ch l\u00e0m theo c\u00e1c b\u01b0\u1edbc n\u00eau tr\u00ean v\u00e0 s\u1eed d\u1ee5ng c\u00e1c dung d\u1ecbch hi\u1ec7u chu\u1ea9n m\u1edbi, ng\u01b0\u1eddi d\u00f9ng c\u00f3 th\u1ec3 \u0111\u1ea3m b\u1ea3o r\u1eb1ng b\u1ed9 \u0111i\u1ec1u khi\u1ec3n pH c\u1ee7a h\u1ecd ho\u1ea1t \u0111\u1ed9ng b\u00ecnh th\u01b0\u1eddng v\u00e0 cung c\u1ea5p k\u1ebft qu\u1ea3 \u0111\u1ecdc ch\u00ednh x\u00e1c. H\u00e3y nh\u1edb r\u1eeda s\u1ea1ch \u0111i\u1ec7n c\u1ef1c b\u1eb1ng n\u01b0\u1edbc c\u1ea5t sau m\u1ed7i l\u1ea7n hi\u1ec7u chu\u1ea9n v\u00e0 b\u1ea3o qu\u1ea3n m\u00e1y \u0111o pH \u0111\u00fang c\u00e1ch \u0111\u1ec3 k\u00e9o d\u00e0i tu\u1ed5i th\u1ecd c\u1ee7a m\u00e1y. V\u1edbi s\u1ef1 hi\u1ec7u chu\u1ea9n th\u00edch h\u1ee3p, b\u1ed9 \u0111i\u1ec1u khi\u1ec3n pH c\u00f3 th\u1ec3 l\u00e0 m\u1ed9t c\u00f4ng c\u1ee5 c\u00f3 gi\u00e1 tr\u1ecb trong vi\u1ec7c duy tr\u00ec m\u1ee9c \u0111\u1ed9 pH mong mu\u1ed1n trong nhi\u1ec1u \u1ee9ng d\u1ee5ng kh\u00e1c nhau.<\/p>\n<h1 id=\"troubleshooting-common-issues-with-ph-controller-wpaicgheading\"><span class=\"ez-toc-section\" id=\"Khac_phuc_su_co_thuong_gap_voi_bo_dieu_khien_pH\"><\/span>Kh\u1eafc ph\u1ee5c s\u1ef1 c\u1ed1 th\u01b0\u1eddng g\u1eb7p v\u1edbi b\u1ed9 \u0111i\u1ec1u khi\u1ec3n pH<span class=\"ez-toc-section-end\"><\/span><\/h1>\n<p>\nB\u1ed9 \u0111i\u1ec1u khi\u1ec3n \u0111\u1ed9 pH l\u00e0 m\u1ed9t c\u00f4ng c\u1ee5 c\u00f3 gi\u00e1 tr\u1ecb \u0111\u1ec3 duy tr\u00ec \u0111\u1ed9 pH c\u1ee7a b\u1ec3 c\u00e1, h\u1ec7 th\u1ed1ng th\u1ee7y canh ho\u1eb7c b\u1ec3 b\u01a1i c\u1ee7a b\u1ea1n. Tuy nhi\u00ean, gi\u1ed1ng nh\u01b0 b\u1ea5t k\u1ef3 thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed n\u00e0o, b\u1ed9 \u0111i\u1ec1u khi\u1ec3n pH \u0111\u00f4i khi c\u00f3 th\u1ec3 g\u1eb7p s\u1ef1 c\u1ed1 c\u00f3 th\u1ec3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn hi\u1ec7u su\u1ea5t c\u1ee7a ch\u00fang. Trong b\u00e0i vi\u1ebft n\u00e0y, ch\u00fang t\u00f4i s\u1ebd th\u1ea3o lu\u1eadn v\u1ec1 m\u1ed9t s\u1ed1 v\u1ea5n \u0111\u1ec1 ph\u1ed5 bi\u1ebfn m\u00e0 ng\u01b0\u1eddi d\u00f9ng c\u00f3 th\u1ec3 g\u1eb7p ph\u1ea3i v\u1edbi b\u1ed9 \u0111i\u1ec1u khi\u1ec3n pH v\u00e0 cung c\u1ea5p c\u00e1c m\u1eb9o kh\u1eafc ph\u1ee5c s\u1ef1 c\u1ed1 \u0111\u1ec3 gi\u00fap gi\u1ea3i quy\u1ebft nh\u1eefng v\u1ea5n \u0111\u1ec1 n\u00e0y.<\/p>\n<p>M\u1ed9t v\u1ea5n \u0111\u1ec1 ph\u1ed5 bi\u1ebfn m\u00e0 ng\u01b0\u1eddi d\u00f9ng c\u00f3 th\u1ec3 g\u1eb7p ph\u1ea3i v\u1edbi b\u1ed9 \u0111i\u1ec1u khi\u1ec3n pH l\u00e0 k\u1ebft qu\u1ea3 \u0111o pH kh\u00f4ng ch\u00ednh x\u00e1c. N\u1ebfu b\u1ea1n nh\u1eadn th\u1ea5y ch\u1ec9 s\u1ed1 pH tr\u00ean b\u1ed9 \u0111i\u1ec1u khi\u1ec3n kh\u00f4ng kh\u1edbp v\u1edbi m\u1ee9c pH th\u1ef1c t\u1ebf c\u1ee7a n\u01b0\u1edbc th\u00ec c\u00f3 m\u1ed9t s\u1ed1 nguy\u00ean nh\u00e2n c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn s\u1ef1 kh\u00e1c bi\u1ec7t n\u00e0y. M\u1ed9t l\u00fd do ti\u1ec1m \u1ea9n d\u1eabn \u0111\u1ebfn k\u1ebft qu\u1ea3 \u0111\u1ecdc kh\u00f4ng ch\u00ednh x\u00e1c l\u00e0 \u0111\u1ea7u d\u00f2 pH b\u1ecb b\u1ea9n ho\u1eb7c tr\u1ee5c tr\u1eb7c. \u0110\u1ec3 gi\u1ea3i quy\u1ebft v\u1ea5n \u0111\u1ec1 n\u00e0y, b\u1ea1n c\u00f3 th\u1ec3 th\u1eed l\u00e0m s\u1ea1ch \u0111\u1ea7u d\u00f2 b\u1eb1ng b\u00e0n ch\u1ea3i m\u1ec1m v\u00e0 dung d\u1ecbch l\u00e0m s\u1ea1ch \u0111\u1ea7u d\u00f2 pH. N\u1ebfu vi\u1ec7c v\u1ec7 sinh \u0111\u1ea7u d\u00f2 kh\u00f4ng gi\u1ea3i quy\u1ebft \u0111\u01b0\u1ee3c v\u1ea5n \u0111\u1ec1, b\u1ea1n c\u00f3 th\u1ec3 c\u1ea7n ph\u1ea3i thay th\u1ebf ho\u00e0n to\u00e0n \u0111\u1ea7u d\u00f2.<\/p>\n<p>M\u1ed9t v\u1ea5n \u0111\u1ec1 ph\u1ed5 bi\u1ebfn kh\u00e1c m\u00e0 ng\u01b0\u1eddi d\u00f9ng c\u00f3 th\u1ec3 g\u1eb7p ph\u1ea3i v\u1edbi b\u1ed9 \u0111i\u1ec1u khi\u1ec3n pH l\u00e0 v\u1ea5n \u0111\u1ec1 hi\u1ec7u chu\u1ea9n. N\u1ebfu b\u1ed9 \u0111i\u1ec1u khi\u1ec3n pH c\u1ee7a b\u1ea1n kh\u00f4ng \u0111\u01b0\u1ee3c hi\u1ec7u chu\u1ea9n \u0111\u00fang c\u00e1ch, n\u00f3 c\u00f3 th\u1ec3 cung c\u1ea5p k\u1ebft qu\u1ea3 \u0111\u1ecdc kh\u00f4ng ch\u00ednh x\u00e1c. \u0110\u1ec3 hi\u1ec7u ch\u1ec9nh b\u1ed9 \u0111i\u1ec1u khi\u1ec3n pH, b\u1ea1n s\u1ebd c\u1ea7n s\u1eed d\u1ee5ng c\u00e1c dung d\u1ecbch hi\u1ec7u chu\u1ea9n c\u00f3 gi\u00e1 tr\u1ecb pH \u0111\u00e3 bi\u1ebft. L\u00e0m theo h\u01b0\u1edbng d\u1eabn c\u1ee7a nh\u00e0 s\u1ea3n xu\u1ea5t \u0111\u1ec3 hi\u1ec7u ch\u1ec9nh m\u1eabu b\u1ed9 \u0111i\u1ec1u khi\u1ec3n pH c\u1ee5 th\u1ec3 c\u1ee7a b\u1ea1n. N\u1ebfu b\u1ea1n v\u1eabn g\u1eb7p s\u1ef1 c\u1ed1 hi\u1ec7u chu\u1ea9n sau khi l\u00e0m theo h\u01b0\u1edbng d\u1eabn, b\u1ea1n c\u00f3 th\u1ec3 c\u1ea7n li\u00ean h\u1ec7 v\u1edbi nh\u00e0 s\u1ea3n xu\u1ea5t \u0111\u1ec3 \u0111\u01b0\u1ee3c h\u1ed7 tr\u1ee3 th\u00eam.<br \/>\n<div style=\"width: 640px;\" class=\"wp-video\"><!--[if lt IE 9]><script>document.createElement('video');<\/script><![endif]-->\n<video class=\"wp-video-shortcode\" id=\"video-9693-1\" width=\"640\" height=\"360\" preload=\"metadata\" controls=\"controls\"><source type=\"video\/mp4\" src=\"http:\/\/shchimay.com\/wp-content\/uploads\/2023\/11\/PH-ORP-510-\u9178\u78b1\u5ea6-_\u6c27\u5316\u8fd8\u539f\u63a7\u5236\u5668%20.mp4?_=1\" \/><a href=\"http:\/\/shchimay.com\/wp-content\/uploads\/2023\/11\/PH-ORP-510-\u9178\u78b1\u5ea6-_\u6c27\u5316\u8fd8\u539f\u63a7\u5236\u5668%20.mp4\">http:\/\/shchimay.com\/wp-content\/uploads\/2023\/11\/PH-ORP-510-\u9178\u78b1\u5ea6-_\u6c27\u5316\u8fd8\u539f\u63a7\u5236\u5668%20.mp4<\/a><\/video><\/div><br \/>\nNg\u01b0\u1eddi d\u00f9ng c\u0169ng c\u00f3 th\u1ec3 g\u1eb7p s\u1ef1 c\u1ed1 v\u1edbi \u0111i\u1ec3m c\u00e0i \u0111\u1eb7t c\u1ee7a b\u1ed9 \u0111i\u1ec1u khi\u1ec3n pH. \u0110i\u1ec3m \u0111\u1eb7t l\u00e0 m\u1ee9c \u0111\u1ed9 pH mong mu\u1ed1n m\u00e0 b\u1ed9 \u0111i\u1ec1u khi\u1ec3n \u0111\u01b0\u1ee3c l\u1eadp tr\u00ecnh \u0111\u1ec3 duy tr\u00ec. N\u1ebfu b\u1ed9 \u0111i\u1ec1u khi\u1ec3n pH c\u1ee7a b\u1ea1n kh\u00f4ng duy tr\u00ec \u0111i\u1ec3m \u0111\u1eb7t, c\u00f3 th\u1ec3 c\u00f3 v\u1ea5n \u0111\u1ec1 v\u1edbi ch\u01b0\u01a1ng tr\u00ecnh ho\u1eb7c c\u00e0i \u0111\u1eb7t c\u1ee7a b\u1ed9 \u0111i\u1ec1u khi\u1ec3n. Ki\u1ec3m tra h\u01b0\u1edbng d\u1eabn s\u1eed d\u1ee5ng b\u1ed9 \u0111i\u1ec1u khi\u1ec3n \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o r\u1eb1ng \u0111i\u1ec3m \u0111\u1eb7t \u0111\u01b0\u1ee3c l\u1eadp tr\u00ecnh ch\u00ednh x\u00e1c. N\u1ebfu \u0111i\u1ec3m c\u00e0i \u0111\u1eb7t ch\u00ednh x\u00e1c v\u00e0 b\u1ed9 \u0111i\u1ec1u khi\u1ec3n v\u1eabn kh\u00f4ng duy tr\u00ec \u0111\u01b0\u1ee3c m\u1ee9c \u0111\u1ed9 pH mong mu\u1ed1n, b\u1ea1n c\u00f3 th\u1ec3 c\u1ea7n ph\u1ea3i hi\u1ec7u ch\u1ec9nh l\u1ea1i b\u1ed9 \u0111i\u1ec1u khi\u1ec3n ho\u1eb7c \u0111i\u1ec1u ch\u1ec9nh c\u00e0i \u0111\u1eb7t c\u1ee7a b\u1ed9 \u0111i\u1ec1u khi\u1ec3n.<\/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>\nTrong m\u1ed9t s\u1ed1 tr\u01b0\u1eddng h\u1ee3p, ng\u01b0\u1eddi d\u00f9ng c\u00f3 th\u1ec3 g\u1eb7p s\u1ef1 c\u1ed1 v\u1edbi ngu\u1ed3n \u0111i\u1ec7n c\u1ee7a b\u1ed9 \u0111i\u1ec1u khi\u1ec3n pH. N\u1ebfu b\u1ed9 \u0111i\u1ec1u khi\u1ec3n pH c\u1ee7a b\u1ea1n kh\u00f4ng b\u1eadt ho\u1eb7c g\u1eb7p s\u1ef1 c\u1ed1 v\u1ec1 \u0111i\u1ec7n kh\u00f4ng li\u00ean t\u1ee5c, h\u00e3y ki\u1ec3m tra ngu\u1ed3n \u0111i\u1ec7n v\u00e0 c\u00e1c k\u1ebft n\u1ed1i \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o r\u1eb1ng ch\u00fang \u0111\u01b0\u1ee3c an to\u00e0n. N\u1ebfu ngu\u1ed3n \u0111i\u1ec7n ho\u1ea1t \u0111\u1ed9ng b\u00ecnh th\u01b0\u1eddng m\u00e0 b\u1ed9 \u0111i\u1ec1u khi\u1ec3n v\u1eabn kh\u00f4ng b\u1eadt th\u00ec c\u00f3 th\u1ec3 c\u00f3 v\u1ea5n \u0111\u1ec1 v\u1edbi m\u1ea1ch \u0111i\u1ec7n b\u00ean trong c\u1ee7a b\u1ed9 \u0111i\u1ec1u khi\u1ec3n. Trong tr\u01b0\u1eddng h\u1ee3p n\u00e0y, b\u1ea1n c\u00f3 th\u1ec3 c\u1ea7n li\u00ean h\u1ec7 v\u1edbi nh\u00e0 s\u1ea3n xu\u1ea5t \u0111\u1ec3 c\u00f3 c\u00e1c ph\u01b0\u01a1ng \u00e1n s\u1eeda ch\u1eefa ho\u1eb7c thay th\u1ebf.<\/p>\n<p>Nh\u00ecn chung, vi\u1ec7c kh\u1eafc ph\u1ee5c c\u00e1c s\u1ef1 c\u1ed1 th\u01b0\u1eddng g\u1eb7p v\u1edbi b\u1ed9 \u0111i\u1ec1u khi\u1ec3n pH \u0111\u00f2i h\u1ecfi m\u1ed9t c\u00e1ch ti\u1ebfp c\u1eadn c\u00f3 h\u1ec7 th\u1ed1ng \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh v\u00e0 gi\u1ea3i quy\u1ebft v\u1ea5n \u0111\u1ec1 c\u01a1 b\u1ea3n. B\u1eb1ng c\u00e1ch l\u00e0m theo h\u01b0\u1edbng d\u1eabn c\u1ee7a nh\u00e0 s\u1ea3n xu\u1ea5t, v\u1ec7 sinh v\u00e0 hi\u1ec7u ch\u1ec9nh \u0111\u1ea7u d\u00f2 pH, ki\u1ec3m tra \u0111i\u1ec3m c\u00e0i \u0111\u1eb7t v\u00e0 ngu\u1ed3n \u0111i\u1ec7n, ng\u01b0\u1eddi d\u00f9ng c\u00f3 th\u1ec3 kh\u1eafc ph\u1ee5c s\u1ef1 c\u1ed1 v\u00e0 gi\u1ea3i quy\u1ebft c\u00e1c v\u1ea5n \u0111\u1ec1 v\u1edbi b\u1ed9 \u0111i\u1ec1u khi\u1ec3n pH m\u1ed9t c\u00e1ch hi\u1ec7u qu\u1ea3. N\u1ebfu b\u1ea1n kh\u00f4ng th\u1ec3 t\u1ef1 m\u00ecnh gi\u1ea3i quy\u1ebft v\u1ea5n \u0111\u1ec1, \u0111\u1eebng ng\u1ea7n ng\u1ea1i li\u00ean h\u1ec7 v\u1edbi nh\u00e0 s\u1ea3n xu\u1ea5t ho\u1eb7c chuy\u00ean gia \u0111\u1ec3 \u0111\u01b0\u1ee3c h\u1ed7 tr\u1ee3. B\u1eb1ng c\u00e1ch x\u00e1c \u0111\u1ecbnh v\u00e0 gi\u1ea3i quy\u1ebft k\u1ecbp th\u1eddi c\u00e1c v\u1ea5n \u0111\u1ec1, b\u1ea1n c\u00f3 th\u1ec3 \u0111\u1ea3m b\u1ea3o r\u1eb1ng b\u1ed9 \u0111i\u1ec1u khi\u1ec3n \u0111\u1ed9 pH ti\u1ebfp t\u1ee5c duy tr\u00ec hi\u1ec7u qu\u1ea3 \u0111\u1ed9 pH trong n\u01b0\u1edbc.<\/p>\n<div class=\"entry-content-asset videofit\"><iframe loading=\"lazy\" title=\"conductivity meter working principle\" width=\"720\" height=\"405\" src=\"https:\/\/www.youtube.com\/embed\/huEnM2S4aYE?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>&#8220;Duy tr\u00ec m\u1ee9c \u0111\u1ed9 pH t\u1ed1i \u01b0u m\u1ed9t c\u00e1ch d\u1ec5 d\u00e0ng b\u1eb1ng b\u1ed9 \u0111i\u1ec1u khi\u1ec3n pH.&#8221; Hi\u1ec7u chu\u1ea9n \u0111\u00fang c\u00e1ch b\u1ed9 \u0111i\u1ec1u khi\u1ec3n pH Vi\u1ec7c hi\u1ec7u chu\u1ea9n \u0111\u00fang c\u00e1ch b\u1ed9 \u0111i\u1ec1u khi\u1ec3n pH l\u00e0 \u0111i\u1ec1u c\u1ea7n thi\u1ebft \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o ch\u1ec9 s\u1ed1 pH ch\u00ednh x\u00e1c v\u00e0 \u0111\u00e1ng tin c\u1eady trong dung d\u1ecbch. 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