{"id":10981,"date":"2024-04-13T16:09:59","date_gmt":"2024-04-13T08:09:59","guid":{"rendered":"https:\/\/shchimay.com\/?p=10981"},"modified":"2024-04-13T18:31:33","modified_gmt":"2024-04-13T10:31:33","slug":"ph-meter-reading","status":"publish","type":"post","link":"https:\/\/shchimay.com\/vi\/ph-meter-reading\/","title":{"rendered":"\u0111\u1ecdc \u0111\u1ed3ng h\u1ed3 \u0111o ph"},"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\/ph-meter-reading\/#Tam_quan_trong_cua_viec_hieu_chuan_may_do_pH_thich_hop\" title=\"T\u1ea7m quan tr\u1ecdng c\u1ee7a vi\u1ec7c hi\u1ec7u chu\u1ea9n m\u00e1y \u0111o pH th\u00edch h\u1ee3p\">T\u1ea7m quan tr\u1ecdng c\u1ee7a vi\u1ec7c hi\u1ec7u chu\u1ea9n m\u00e1y \u0111o pH th\u00edch h\u1ee3p<\/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\/ph-meter-reading\/#Cach_khac_phuc_su_co_ket_qua_do_tren_may_do_pH_khong_chinh_xac\" title=\"C\u00e1ch kh\u1eafc ph\u1ee5c s\u1ef1 c\u1ed1 k\u1ebft qu\u1ea3 \u0111o tr\u00ean m\u00e1y \u0111o pH kh\u00f4ng ch\u00ednh x\u00e1c\">C\u00e1ch kh\u1eafc ph\u1ee5c s\u1ef1 c\u1ed1 k\u1ebft qu\u1ea3 \u0111o tr\u00ean m\u00e1y \u0111o pH kh\u00f4ng ch\u00ednh x\u00e1c<\/a><\/li><\/ul><\/nav><\/div>\n<h1 id=\"the-importance-of-proper-ph-meter-calibration-wpaicgheading\"><span class=\"ez-toc-section\" id=\"Tam_quan_trong_cua_viec_hieu_chuan_may_do_pH_thich_hop\"><\/span>T\u1ea7m quan tr\u1ecdng c\u1ee7a vi\u1ec7c hi\u1ec7u chu\u1ea9n m\u00e1y \u0111o pH th\u00edch h\u1ee3p<span class=\"ez-toc-section-end\"><\/span><\/h1>\n<p>\nM\u00e1y \u0111o pH 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 n\u00f4ng nghi\u1ec7p, s\u1ea3n xu\u1ea5t th\u1ef1c ph\u1ea9m v\u00e0 \u0111\u1ed3 u\u1ed1ng, x\u1eed l\u00fd n\u01b0\u1edbc v\u00e0 nghi\u00ean c\u1ee9u khoa h\u1ecdc. C\u00e1c thi\u1ebft b\u1ecb n\u00e0y \u0111o \u0111\u1ed9 axit ho\u1eb7c \u0111\u1ed9 ki\u1ec1m c\u1ee7a dung d\u1ecbch b\u1eb1ng c\u00e1ch ph\u00e1t hi\u1ec7n n\u1ed3ng \u0111\u1ed9 c\u1ee7a c\u00e1c ion hydro c\u00f3 m\u1eb7t. Hi\u1ec7u chu\u1ea9n m\u00e1y \u0111o pH \u0111\u00fang c\u00e1ch l\u00e0 r\u1ea5t quan tr\u1ecdng \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o s\u1ed1 \u0111\u1ecdc ch\u00ednh x\u00e1c v\u00e0 \u0111\u00e1ng tin c\u1eady.<\/p>\n<p>Hi\u1ec7u chu\u1ea9n l\u00e0 qu\u00e1 tr\u00ecnh \u0111i\u1ec1u ch\u1ec9nh m\u00e1y \u0111o pH theo ti\u00eau chu\u1ea9n \u0111\u00e3 bi\u1ebft \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 ch\u00ednh x\u00e1c c\u1ee7a n\u00f3. \u0110i\u1ec1u n\u00e0y th\u01b0\u1eddng \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng dung d\u1ecbch \u0111\u1ec7m c\u00f3 gi\u00e1 tr\u1ecb pH \u0111\u00e3 bi\u1ebft. H\u1ea7u h\u1ebft c\u00e1c m\u00e1y \u0111o pH \u0111\u1ec1u c\u00f3 ch\u1ee9c n\u0103ng hi\u1ec7u chu\u1ea9n cho ph\u00e9p ng\u01b0\u1eddi d\u00f9ng d\u1ec5 d\u00e0ng \u0111i\u1ec1u ch\u1ec9nh thi\u1ebft b\u1ecb \u0111\u1ec3 ph\u00f9 h\u1ee3p v\u1edbi gi\u00e1 tr\u1ecb pH c\u1ee7a dung d\u1ecbch \u0111\u1ec7m.<\/p>\n<p>M\u1ed9t trong nh\u1eefng l\u00fd do ch\u00ednh t\u1ea1i sao vi\u1ec7c hi\u1ec7u chu\u1ea9n m\u00e1y \u0111o pH th\u00edch h\u1ee3p l\u1ea1i quan tr\u1ecdng l\u00e0 \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 ch\u00ednh x\u00e1c c\u1ee7a s\u1ed1 \u0111\u1ecdc. N\u1ebfu m\u00e1y \u0111o pH kh\u00f4ng \u0111\u01b0\u1ee3c hi\u1ec7u chu\u1ea9n ch\u00ednh x\u00e1c, n\u00f3 c\u00f3 th\u1ec3 cung c\u1ea5p k\u1ebft qu\u1ea3 kh\u00f4ng ch\u00ednh x\u00e1c, c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn nh\u1eefng sai l\u1ea7m t\u1ed1n k\u00e9m ho\u1eb7c th\u1eadm ch\u00ed g\u00e2y r\u1ee7i ro cho s\u1ee9c kh\u1ecfe v\u00e0 s\u1ef1 an to\u00e0n. V\u00ed d\u1ee5, trong ng\u00e0nh th\u1ef1c ph\u1ea9m v\u00e0 \u0111\u1ed3 u\u1ed1ng, vi\u1ec7c \u0111o \u0111\u1ed9 pH kh\u00f4ng ch\u00ednh x\u00e1c c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn s\u1ea3n ph\u1ea9m b\u1ecb h\u01b0 h\u1ecfng ho\u1eb7c s\u1ea3n ph\u1ea9m kh\u00f4ng an to\u00e0n khi ti\u00eau d\u00f9ng.<\/p>\n<p>\n<img decoding=\"async\" src=\"https:\/\/shchimay.com\/wp-content\/uploads\/2024\/04\/MFC-8800-IOT-Meter-Multi-channel-Controller-4.png\" alt=\"alt-545\" class=\"wp-image-545\" id=\"i545\" \/><br \/>\nM\u1ed9t l\u00fd do kh\u00e1c khi\u1ebfn vi\u1ec7c hi\u1ec7u chu\u1ea9n m\u00e1y \u0111o pH th\u00edch h\u1ee3p l\u1ea1i quan tr\u1ecdng l\u00e0 \u0111\u1ec3 duy tr\u00ec tu\u1ed5i th\u1ecd c\u1ee7a thi\u1ebft b\u1ecb. Hi\u1ec7u chu\u1ea9n th\u01b0\u1eddng xuy\u00ean gi\u00fap tr\u00e1nh hi\u1ec7n t\u01b0\u1ee3ng tr\u00f4i, t\u1ee9c l\u00e0 s\u1ef1 thay \u0111\u1ed5i d\u1ea7n d\u1ea7n c\u00e1c ch\u1ec9 s\u1ed1 c\u1ee7a m\u00e1y \u0111o pH theo th\u1eddi gian. B\u1eb1ng c\u00e1ch hi\u1ec7u chu\u1ea9n m\u00e1y \u0111o pH th\u01b0\u1eddng xuy\u00ean, ng\u01b0\u1eddi d\u00f9ng c\u00f3 th\u1ec3 \u0111\u1ea3m b\u1ea3o r\u1eb1ng thi\u1ebft b\u1ecb v\u1eabn ho\u1ea1t \u0111\u1ed9ng ch\u00ednh x\u00e1c v\u00e0 \u0111\u00e1ng tin c\u1eady trong th\u1eddi gian d\u00e0i.<\/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 oxy h\u00f2a tan DO-810\/1800<\/td>\n<\/tr>\n<tr>\n<td>Ph\u1ea1m vi<\/td>\n<td>0-20,00 mg\/L<\/td>\n<\/tr>\n<tr>\n<td>\u0110\u1ed9 ch\u00ednh x\u00e1c<\/td>\n<td>\u00b10,5 ph\u1ea7n tr\u0103m FS<\/td>\n<\/tr>\n<tr>\n<td>Nhi\u1ec7t \u0111\u1ed9. Comp.<\/td>\n<td>0-60\u2103<\/td>\n<\/tr>\n<tr>\n<td>Ho\u1ea1t \u0111\u1ed9ng. Nhi\u1ec7t \u0111\u1ed9<\/td>\n<td>0\uff5e60\u2103<\/td>\n<\/tr>\n<tr>\n<td>C\u1ea3m bi\u1ebfn<\/td>\n<td>C\u1ea3m bi\u1ebfn oxy h\u00f2a tan<\/td>\n<\/tr>\n<tr>\n<td>Hi\u1ec3n th\u1ecb<\/td>\n<td>Ho\u1ea1t \u0111\u1ed9ng m\u00e3 ph\u00e2n \u0111o\u1ea1n\/M\u00e0n h\u00ecnh LCD 128*64(DO-1800)<\/td>\n<\/tr>\n<tr>\n<td>Giao ti\u1ebfp<\/td>\n<td>RS485 t\u00f9y ch\u1ecdn<\/td>\n<\/tr>\n<tr>\n<td>\u0110\u1ea7u ra<\/td>\n<td>4-20mA \u0111\u1ea7u ra v\u00e0 nbsp; \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>\nNgo\u00e0i ra, vi\u1ec7c hi\u1ec7u chu\u1ea9n m\u00e1y \u0111o pH th\u00edch h\u1ee3p l\u00e0 \u0111i\u1ec1u c\u1ea7n thi\u1ebft \u0111\u1ec3 tu\u00e2n th\u1ee7 c\u00e1c quy \u0111\u1ecbnh v\u00e0 ti\u00eau chu\u1ea9n c\u1ee7a ng\u00e0nh. Nhi\u1ec1u ng\u00e0nh c\u00f4ng nghi\u1ec7p c\u00f3 nh\u1eefng h\u01b0\u1edbng d\u1eabn nghi\u00eam ng\u1eb7t v\u1ec1 \u0111\u1ed9 ch\u00ednh x\u00e1c v\u00e0 \u0111\u1ed9 tin c\u1eady c\u1ee7a ph\u00e9p \u0111o pH. B\u1eb1ng c\u00e1ch hi\u1ec7u chu\u1ea9n m\u00e1y \u0111o pH th\u01b0\u1eddng xuy\u00ean v\u00e0 l\u01b0u gi\u1eef h\u1ed3 s\u01a1 chi ti\u1ebft v\u1ec1 quy tr\u00ecnh hi\u1ec7u chu\u1ea9n, doanh nghi\u1ec7p c\u00f3 th\u1ec3 th\u1ec3 hi\u1ec7n cam k\u1ebft c\u1ee7a m\u00ecnh trong vi\u1ec7c ki\u1ec3m so\u00e1t ch\u1ea5t l\u01b0\u1ee3ng v\u00e0 tu\u00e2n th\u1ee7 quy \u0111\u1ecbnh.<\/p>\n<p>\u0110\u1ec3 hi\u1ec7u ch\u1ec9nh m\u00e1y \u0111o pH, ng\u01b0\u1eddi d\u00f9ng n\u00ean c\u1ea9n th\u1eadn l\u00e0m theo h\u01b0\u1edbng d\u1eabn c\u1ee7a nh\u00e0 s\u1ea3n xu\u1ea5t. \u0110i\u1ec1u n\u00e0y th\u01b0\u1eddng bao g\u1ed3m vi\u1ec7c nh\u00fang \u0111i\u1ec7n c\u1ef1c c\u1ee7a m\u00e1y \u0111o pH v\u00e0o m\u1ed9t lo\u1ea1t dung d\u1ecbch \u0111\u1ec7m c\u00f3 gi\u00e1 tr\u1ecb pH \u0111\u00e3 bi\u1ebft v\u00e0 \u0111i\u1ec1u ch\u1ec9nh c\u00e0i \u0111\u1eb7t c\u1ee7a thi\u1ebft b\u1ecb cho ph\u00f9 h\u1ee3p. \u0110i\u1ec1u quan tr\u1ecdng l\u00e0 s\u1eed d\u1ee5ng dung d\u1ecbch \u0111\u1ec7m m\u1edbi v\u00e0 r\u1eeda \u0111i\u1ec7n c\u1ef1c b\u1eb1ng n\u01b0\u1edbc c\u1ea5t gi\u1eefa m\u1ed7i \u0111i\u1ec3m hi\u1ec7u chu\u1ea9n \u0111\u1ec3 tr\u00e1nh nhi\u1ec5m b\u1ea9n.<\/p>\n<p>Sau khi hi\u1ec7u chu\u1ea9n, ng\u01b0\u1eddi d\u00f9ng c\u0169ng n\u00ean th\u1ef1c hi\u1ec7n ki\u1ec3m tra \u0111\u1ed9 d\u1ed1c v\u00e0 \u0111\u1ed9 l\u1ec7ch \u0111\u1ec3 x\u00e1c minh \u0111\u1ed9 ch\u00ednh x\u00e1c c\u1ee7a m\u00e1y \u0111o pH tr\u00ean to\u00e0n b\u1ed9 ph\u1ea1m vi c\u1ee7a n\u00f3 . \u0110i\u1ec1u n\u00e0y li\u00ean quan \u0111\u1ebfn vi\u1ec7c \u0111o gi\u00e1 tr\u1ecb pH c\u1ee7a dung d\u1ecbch \u0111\u1ec7m b\u1ed5 sung v\u00e0 so s\u00e1nh k\u1ebft qu\u1ea3 \u0111o v\u1edbi gi\u00e1 tr\u1ecb d\u1ef1 ki\u1ebfn. N\u1ebfu ch\u1ec9 s\u1ed1 c\u1ee7a m\u00e1y \u0111o pH sai l\u1ec7ch \u0111\u00e1ng k\u1ec3 so v\u1edbi gi\u00e1 tr\u1ecb d\u1ef1 ki\u1ebfn, \u0111i\u1ec1u \u0111\u00f3 c\u00f3 th\u1ec3 cho th\u1ea5y r\u1eb1ng thi\u1ebft b\u1ecb c\u1ea7n \u0111\u01b0\u1ee3c hi\u1ec7u chu\u1ea9n l\u1ea1i ho\u1eb7c b\u1ea3o tr\u00ec.<\/p>\n<p>T\u00f3m l\u1ea1i, vi\u1ec7c hi\u1ec7u chu\u1ea9n m\u00e1y \u0111o pH th\u00edch h\u1ee3p l\u00e0 \u0111i\u1ec1u c\u1ea7n thi\u1ebft \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o c\u00e1c ph\u00e9p \u0111o pH ch\u00ednh x\u00e1c v\u00e0 \u0111\u00e1ng tin c\u1eady. B\u1eb1ng c\u00e1ch hi\u1ec7u chu\u1ea9n m\u00e1y \u0111o pH th\u01b0\u1eddng xuy\u00ean, ng\u01b0\u1eddi d\u00f9ng c\u00f3 th\u1ec3 ng\u0103n ng\u1eeba l\u1ed7i, duy tr\u00ec tu\u1ed5i th\u1ecd c\u1ee7a thi\u1ebft b\u1ecb v\u00e0 ch\u1ee9ng minh s\u1ef1 tu\u00e2n th\u1ee7 c\u00e1c quy \u0111\u1ecbnh c\u1ee7a ng\u00e0nh. L\u00e0m theo h\u01b0\u1edbng d\u1eabn c\u1ee7a nh\u00e0 s\u1ea3n xu\u1ea5t v\u00e0 th\u1ef1c hi\u1ec7n ki\u1ec3m tra th\u01b0\u1eddng xuy\u00ean c\u00f3 th\u1ec3 gi\u00fap ng\u01b0\u1eddi d\u00f9ng \u0111\u1ea1t \u0111\u01b0\u1ee3c hi\u1ec7u su\u1ea5t t\u1ed1i \u01b0u t\u1eeb m\u00e1y \u0111o pH. D\u00f9 \u1edf m\u00f4i tr\u01b0\u1eddng ph\u00f2ng th\u00ed nghi\u1ec7m hay m\u00f4i tr\u01b0\u1eddng c\u00f4ng nghi\u1ec7p, vi\u1ec7c \u0111o pH ch\u00ednh x\u00e1c \u0111\u1ec1u r\u1ea5t quan tr\u1ecdng \u0111\u1ec3 ki\u1ec3m so\u00e1t ch\u1ea5t l\u01b0\u1ee3ng, an to\u00e0n v\u00e0 tu\u00e2n th\u1ee7 quy \u0111\u1ecbnh.<\/p>\n<h1 id=\"how-to-troubleshoot-inaccurate-ph-meter-readings-wpaicgheading\"><span class=\"ez-toc-section\" id=\"Cach_khac_phuc_su_co_ket_qua_do_tren_may_do_pH_khong_chinh_xac\"><\/span>C\u00e1ch kh\u1eafc ph\u1ee5c s\u1ef1 c\u1ed1 k\u1ebft qu\u1ea3 \u0111o tr\u00ean m\u00e1y \u0111o pH kh\u00f4ng ch\u00ednh x\u00e1c<span class=\"ez-toc-section-end\"><\/span><\/h1>\n<p>\nM\u00e1y \u0111o pH l\u00e0 m\u1ed9t c\u00f4ng c\u1ee5 quan tr\u1ecdng trong nhi\u1ec1u ng\u00e0nh c\u00f4ng nghi\u1ec7p kh\u00e1c nhau, bao g\u1ed3m n\u00f4ng nghi\u1ec7p, s\u1ea3n xu\u1ea5t th\u1ef1c ph\u1ea9m v\u00e0 \u0111\u1ed3 u\u1ed1ng c\u0169ng nh\u01b0 x\u1eed l\u00fd n\u01b0\u1edbc. N\u00f3 \u0111o \u0111\u1ed9 axit ho\u1eb7c \u0111\u1ed9 ki\u1ec1m c\u1ee7a dung d\u1ecbch, cung c\u1ea5p th\u00f4ng tin c\u00f3 gi\u00e1 tr\u1ecb \u0111\u1ec3 duy tr\u00ec ki\u1ec3m so\u00e1t ch\u1ea5t l\u01b0\u1ee3ng v\u00e0 \u0111\u1ea3m b\u1ea3o \u0111i\u1ec1u ki\u1ec7n t\u1ed1i \u01b0u cho c\u00e1c quy tr\u00ecnh. Tuy nhi\u00ean, gi\u1ed1ng nh\u01b0 b\u1ea5t k\u1ef3 thi\u1ebft b\u1ecb n\u00e0o, m\u00e1y \u0111o pH \u0111\u00f4i khi c\u00f3 th\u1ec3 cho k\u1ebft qu\u1ea3 kh\u00f4ng ch\u00ednh x\u00e1c. K\u1ebft qu\u1ea3 \u0111o pH kh\u00f4ng ch\u00ednh x\u00e1c c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn nh\u1eefng sai l\u1ea7m t\u1ed1n k\u00e9m v\u00e0 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn ch\u1ea5t l\u01b0\u1ee3ng s\u1ea3n ph\u1ea9m. V\u00ec v\u1eady, \u0111i\u1ec1u c\u1ea7n thi\u1ebft l\u00e0 ph\u1ea3i kh\u1eafc ph\u1ee5c s\u1ef1 c\u1ed1 v\u00e0 gi\u1ea3i quy\u1ebft m\u1ecdi v\u1ea5n \u0111\u1ec1 k\u1ecbp th\u1eddi.<\/p>\n<p><img decoding=\"async\" src=\"http:\/\/shchimay.com\/wp-content\/uploads\/2023\/11\/FL-9900-High-Precision-Type-Runner-Flow-Controller1.jpg\" alt=\"alt-5414\" class=\"wp-image-5414\" id=\"i5414\" \/><\/p>\n<p>M\u1ed9t l\u00fd do ph\u1ed5 bi\u1ebfn khi\u1ebfn m\u00e1y \u0111o pH kh\u00f4ng ch\u00ednh x\u00e1c l\u00e0 do nhi\u1ec5m b\u1ea9n \u0111i\u1ec7n c\u1ef1c. Theo th\u1eddi gian, \u0111i\u1ec7n c\u1ef1c c\u00f3 th\u1ec3 b\u1ecb b\u00e1m c\u1eb7n t\u1eeb dung d\u1ecbch \u0111ang \u0111\u01b0\u1ee3c th\u1eed nghi\u1ec7m, \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn kh\u1ea3 n\u0103ng \u0111o pH ch\u00ednh x\u00e1c. \u0110\u1ec3 gi\u1ea3i quy\u1ebft v\u1ea5n \u0111\u1ec1 n\u00e0y, \u0111i\u1ec1u quan tr\u1ecdng l\u00e0 ph\u1ea3i th\u01b0\u1eddng xuy\u00ean v\u1ec7 sinh v\u00e0 hi\u1ec7u ch\u1ec9nh m\u00e1y \u0111o pH theo h\u01b0\u1edbng d\u1eabn c\u1ee7a nh\u00e0 s\u1ea3n xu\u1ea5t. L\u00e0m s\u1ea1ch \u0111i\u1ec7n c\u1ef1c b\u1eb1ng dung d\u1ecbch l\u00e0m s\u1ea1ch nh\u1eb9 v\u00e0 r\u1eeda k\u1ef9 c\u00f3 th\u1ec3 gi\u00fap lo\u1ea1i b\u1ecf m\u1ecdi ch\u1ea5t t\u00edch t\u1ee5 v\u00e0 kh\u00f4i ph\u1ee5c s\u1ed1 \u0111\u1ecdc ch\u00ednh x\u00e1c.<\/p>\n<p>M\u1ed9t y\u1ebfu t\u1ed1 kh\u00e1c c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn s\u1ed1 \u0111\u1ecdc c\u1ee7a m\u00e1y \u0111o pH kh\u00f4ng ch\u00ednh x\u00e1c l\u00e0 l\u00e3o h\u00f3a \u0111i\u1ec7n c\u1ef1c. Theo th\u1eddi gian, c\u00e1c \u0111i\u1ec7n c\u1ef1c c\u00f3 th\u1ec3 xu\u1ed1ng c\u1ea5p v\u00e0 m\u1ea5t \u0111\u1ed9 nh\u1ea1y, d\u1eabn \u0111\u1ebfn k\u1ebft qu\u1ea3 \u0111o kh\u00f4ng ch\u00ednh x\u00e1c. N\u1ebfu b\u1ea1n nh\u1eadn th\u1ea5y m\u00e1y \u0111o pH cho k\u1ebft qu\u1ea3 kh\u00f4ng nh\u1ea5t qu\u00e1n m\u1eb7c d\u00f9 \u0111\u00e3 hi\u1ec7u chu\u1ea9n v\u00e0 v\u1ec7 sinh \u0111\u00fang c\u00e1ch, c\u00f3 l\u1ebd \u0111\u00e3 \u0111\u1ebfn l\u00fac thay th\u1ebf \u0111i\u1ec7n c\u1ef1c. H\u1ea7u h\u1ebft c\u00e1c m\u00e1y \u0111o pH \u0111\u1ec1u cho ph\u00e9p thay th\u1ebf \u0111i\u1ec7n c\u1ef1c v\u00e0 l\u00e0m nh\u01b0 v\u1eady c\u00f3 th\u1ec3 gi\u00fap kh\u00f4i ph\u1ee5c \u0111\u1ed9 ch\u00ednh x\u00e1c c\u1ee7a ph\u00e9p \u0111o.<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-10981-1\" width=\"640\" height=\"360\" preload=\"metadata\" controls=\"controls\"><source type=\"video\/mp4\" src=\"http:\/\/shchimay.com\/wp-content\/uploads\/2023\/11\/POP-8300.mp4?_=1\" \/><a href=\"http:\/\/shchimay.com\/wp-content\/uploads\/2023\/11\/POP-8300.mp4\">http:\/\/shchimay.com\/wp-content\/uploads\/2023\/11\/POP-8300.mp4<\/a><\/video><\/div><br \/>\nNgo\u00e0i c\u00e1c v\u1ea5n \u0111\u1ec1 v\u1ec1 \u0111i\u1ec7n c\u1ef1c, nhi\u1ec7t \u0111\u1ed9 c\u0169ng c\u00f3 th\u1ec3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn k\u1ebft qu\u1ea3 \u0111o c\u1ee7a m\u00e1y \u0111o pH. M\u00e1y \u0111o pH th\u01b0\u1eddng \u0111\u01b0\u1ee3c hi\u1ec7u chu\u1ea9n \u1edf nhi\u1ec7t \u0111\u1ed9 c\u1ee5 th\u1ec3 v\u00e0 s\u1ef1 thay \u0111\u1ed5i nhi\u1ec7t \u0111\u1ed9 c\u00f3 th\u1ec3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn \u0111\u1ed9 ch\u00ednh x\u00e1c c\u1ee7a k\u1ebft qu\u1ea3 \u0111o. \u0110\u1ec3 \u0111\u1ea3m b\u1ea3o c\u00e1c ph\u00e9p \u0111o ch\u00ednh x\u00e1c, \u0111i\u1ec1u c\u1ea7n thi\u1ebft l\u00e0 ph\u1ea3i hi\u1ec7u ch\u1ec9nh m\u00e1y \u0111o pH \u1edf nhi\u1ec7t \u0111\u1ed9 c\u1ee7a dung d\u1ecbch \u0111ang \u0111\u01b0\u1ee3c ki\u1ec3m tra ho\u1eb7c s\u1eed d\u1ee5ng t\u00ednh n\u0103ng b\u00f9 nhi\u1ec7t \u0111\u1ed9 n\u1ebfu c\u00f3. \u0110i\u1ec1u n\u00e0y s\u1ebd gi\u00fap gi\u1ea3i th\u00edch s\u1ef1 dao \u0111\u1ed9ng c\u1ee7a nhi\u1ec7t \u0111\u1ed9 v\u00e0 cung c\u1ea5p s\u1ed1 \u0111\u1ecdc pH \u0111\u00e1ng tin c\u1eady h\u01a1n.<\/p>\n<p>H\u01a1n n\u1eefa, vi\u1ec7c b\u1ea3o qu\u1ea3n m\u00e1y \u0111o pH kh\u00f4ng \u0111\u00fang c\u00e1ch c\u0169ng c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn k\u1ebft qu\u1ea3 \u0111\u1ecdc kh\u00f4ng ch\u00ednh x\u00e1c. M\u00e1y \u0111o pH n\u00ean \u0111\u01b0\u1ee3c b\u1ea3o qu\u1ea3n trong m\u00f4i tr\u01b0\u1eddng kh\u00f4 r\u00e1o, s\u1ea1ch s\u1ebd \u0111\u1ec3 tr\u00e1nh nhi\u1ec5m b\u1ea9n v\u00e0 h\u01b0 h\u1ecfng. B\u1ea3o qu\u1ea3n \u0111i\u1ec7n c\u1ef1c trong dung d\u1ecbch b\u1ea3o qu\u1ea3n khi kh\u00f4ng s\u1eed d\u1ee5ng c\u00f3 th\u1ec3 gi\u00fap duy tr\u00ec \u0111\u1ed9 nh\u1ea1y v\u00e0 k\u00e9o d\u00e0i tu\u1ed5i th\u1ecd c\u1ee7a \u0111i\u1ec7n c\u1ef1c. Ngo\u00e0i ra, vi\u1ec7c b\u1ea3o tr\u00ec th\u01b0\u1eddng xuy\u00ean v\u00e0 b\u1ea3o qu\u1ea3n th\u00edch h\u1ee3p c\u00f3 th\u1ec3 gi\u00fap ng\u0103n ng\u1eeba c\u00e1c v\u1ea5n \u0111\u1ec1 nh\u01b0 \u0111i\u1ec7n c\u1ef1c b\u1ecb kh\u00f4 ho\u1eb7c b\u1ecb h\u1ecfng, c\u00f3 th\u1ec3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn \u0111\u1ed9 ch\u00ednh x\u00e1c c\u1ee7a k\u1ebft qu\u1ea3 \u0111o pH.<\/p>\n<figure class=\"wp-block-table\">\n<table>\n<tbody>\n<tr>\n<td>M\u00f4 h\u00ecnh<\/td>\n<td>Thi\u1ebft b\u1ecb \u0111\u1ea7u cu\u1ed1i thu th\u1eadp d\u1eef li\u1ec7u \u0111\u1ed9 \u0111\u1ee5c b\u1eb1ng laser TUR-6101<\/td>\n<\/tr>\n<tr>\n<td>Ph\u1ea1m vi<\/td>\n<td>0-10\/100\/4000NTU ho\u1eb7c theo y\u00eau c\u1ea7u<\/td>\n<\/tr>\n<tr>\n<td>Hi\u1ec3n th\u1ecb<\/td>\n<td>LCD<\/td>\n<\/tr>\n<tr>\n<td>\u0110\u01a1n v\u1ecb<\/td>\n<td>NTU<\/td>\n<\/tr>\n<tr>\n<td>DPI<\/td>\n<td>0.01<\/td>\n<\/tr>\n<tr>\n<td>\u0110\u1ed9 ch\u00ednh x\u00e1c<\/td>\n<td>\u00b15 ph\u1ea7n tr\u0103m FS<\/td>\n<\/tr>\n<tr>\n<td>Kh\u1ea3 n\u0103ng l\u1eb7p l\u1ea1i<\/td>\n<td>\u00b11 ph\u1ea7n tr\u0103m <\/td>\n<\/tr>\n<tr>\n<td>S\u1ee9c m\u1ea1nh<\/td>\n<td>\u22643W<\/td>\n<\/tr>\n<tr>\n<td rowspan=\"2\">Ngu\u1ed3n \u0111i\u1ec7n<\/td>\n<td>AC 85V-265V\u00b110 ph\u1ea7n tr\u0103m 50\/60Hz ho\u1eb7c<\/td>\n<\/tr>\n<tr>\n<td>DC 9~36V\/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>160*80*135mm(Treo) ho\u1eb7c 96*96mm(Nh\u00fang)<\/td>\n<\/tr>\n<tr>\n<td>Giao ti\u1ebfp<\/td>\n<td>4~20mA v\u00e0 giao ti\u1ebfp RS-485 (Modbus RTU)<\/td>\n<\/tr>\n<tr>\n<td>\u0110\u1ea7u ra \u0111\u00e3 chuy\u1ec3n \u0111\u1ed5i<\/td>\n<td>R\u01a1le 3 chi\u1ec1u, c\u00f4ng su\u1ea5t 250VAC\/5A<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/figure>\n<p>Cu\u1ed1i c\u00f9ng, \u0111i\u1ec1u c\u1ea7n thi\u1ebft l\u00e0 ph\u1ea3i xem x\u00e9t ch\u1ea5t l\u01b0\u1ee3ng c\u1ee7a c\u00e1c dung d\u1ecbch hi\u1ec7u chu\u1ea9n \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng v\u1edbi m\u00e1y \u0111o pH. S\u1eed d\u1ee5ng dung d\u1ecbch hi\u1ec7u chu\u1ea9n \u0111\u00e3 h\u1ebft h\u1ea1n ho\u1eb7c b\u1ecb nhi\u1ec5m b\u1ea9n c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn k\u1ebft qu\u1ea3 \u0111\u1ecdc kh\u00f4ng ch\u00ednh x\u00e1c v\u00e0 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn \u0111\u1ed9 tin c\u1eady c\u1ee7a m\u00e1y \u0111o pH. \u0110i\u1ec1u quan tr\u1ecdng l\u00e0 ph\u1ea3i th\u01b0\u1eddng xuy\u00ean ki\u1ec3m tra ng\u00e0y h\u1ebft h\u1ea1n c\u1ee7a c\u00e1c dung d\u1ecbch hi\u1ec7u chu\u1ea9n v\u00e0 thay th\u1ebf ch\u00fang khi c\u1ea7n thi\u1ebft. Ngo\u00e0i ra, vi\u1ec7c b\u1ea3o qu\u1ea3n dung d\u1ecbch hi\u1ec7u chu\u1ea9n \u0111\u00fang c\u00e1ch v\u00e0 l\u00e0m theo h\u01b0\u1edbng d\u1eabn s\u1eed d\u1ee5ng c\u1ee7a nh\u00e0 s\u1ea3n xu\u1ea5t c\u00f3 th\u1ec3 gi\u00fap \u0111\u1ea3m b\u1ea3o hi\u1ec7u chu\u1ea9n ch\u00ednh x\u00e1c v\u00e0 c\u00e1c ph\u00e9p \u0111o pH \u0111\u00e1ng tin c\u1eady.<br \/>\n<div style=\"width: 640px;\" class=\"wp-video\"><video class=\"wp-video-shortcode\" id=\"video-10981-2\" width=\"640\" height=\"360\" preload=\"metadata\" controls=\"controls\"><source type=\"video\/mp4\" src=\"http:\/\/shchimay.com\/wp-content\/uploads\/2023\/11\/ROC-2315.mp4?_=2\" \/><a href=\"http:\/\/shchimay.com\/wp-content\/uploads\/2023\/11\/ROC-2315.mp4\">http:\/\/shchimay.com\/wp-content\/uploads\/2023\/11\/ROC-2315.mp4<\/a><\/video><\/div><br \/>\nT\u00f3m l\u1ea1i, vi\u1ec7c kh\u1eafc ph\u1ee5c s\u1ef1 c\u1ed1 khi k\u1ebft qu\u1ea3 \u0111o pH kh\u00f4ng ch\u00ednh x\u00e1c l\u00e0 \u0111i\u1ec1u c\u1ea7n thi\u1ebft \u0111\u1ec3 duy tr\u00ec \u0111\u1ed9 ch\u00ednh x\u00e1c v\u00e0 \u0111\u1ed9 tin c\u1eady c\u1ee7a ph\u00e9p \u0111o pH. B\u1eb1ng c\u00e1ch gi\u1ea3i quy\u1ebft c\u00e1c v\u1ea5n \u0111\u1ec1 ph\u1ed5 bi\u1ebfn nh\u01b0 nhi\u1ec5m b\u1ea9n \u0111i\u1ec7n c\u1ef1c, l\u00e3o h\u00f3a, thay \u0111\u1ed5i nhi\u1ec7t \u0111\u1ed9, b\u1ea3o qu\u1ea3n kh\u00f4ng \u0111\u00fang c\u00e1ch v\u00e0 ch\u1ea5t l\u01b0\u1ee3ng dung d\u1ecbch hi\u1ec7u chu\u1ea9n, b\u1ea1n c\u00f3 th\u1ec3 \u0111\u1ea3m b\u1ea3o r\u1eb1ng m\u00e1y \u0111o pH cung c\u1ea5p s\u1ed1 \u0111\u1ecdc ch\u00ednh x\u00e1c cho \u1ee9ng d\u1ee5ng c\u1ee7a b\u1ea1n. B\u1ea3o tr\u00ec th\u01b0\u1eddng xuy\u00ean, hi\u1ec7u chu\u1ea9n v\u00e0 b\u1ea3o qu\u1ea3n \u0111\u00fang c\u00e1ch l\u00e0 ch\u00eca kh\u00f3a \u0111\u1ec3 t\u1ed1i \u0111a h\u00f3a hi\u1ec7u su\u1ea5t v\u00e0 tu\u1ed5i th\u1ecd c\u1ee7a m\u00e1y \u0111o pH. B\u1eb1ng c\u00e1ch l\u00e0m theo nh\u1eefng h\u01b0\u1edbng d\u1eabn n\u00e0y, b\u1ea1n c\u00f3 th\u1ec3 kh\u1eafc ph\u1ee5c s\u1ef1 c\u1ed1 v\u00e0 gi\u1ea3i quy\u1ebft m\u1ecdi v\u1ea5n \u0111\u1ec1 k\u1ecbp th\u1eddi, \u0111\u1ea3m b\u1ea3o ch\u1ea5t l\u01b0\u1ee3ng v\u00e0 t\u00ednh nh\u1ea5t qu\u00e1n c\u1ee7a ph\u00e9p \u0111o pH.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>T\u1ea7m quan tr\u1ecdng c\u1ee7a vi\u1ec7c hi\u1ec7u chu\u1ea9n m\u00e1y \u0111o pH th\u00edch h\u1ee3p M\u00e1y \u0111o pH 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 n\u00f4ng nghi\u1ec7p, s\u1ea3n xu\u1ea5t th\u1ef1c ph\u1ea9m v\u00e0 \u0111\u1ed3 u\u1ed1ng, x\u1eed l\u00fd n\u01b0\u1edbc v\u00e0 nghi\u00ean c\u1ee9u khoa h\u1ecdc. 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