{"id":11276,"date":"2024-04-16T10:47:20","date_gmt":"2024-04-16T02:47:20","guid":{"rendered":"https:\/\/shchimay.com\/?p=11276"},"modified":"2024-04-16T13:50:01","modified_gmt":"2024-04-16T05:50:01","slug":"how-ph-meter-is-calibrated","status":"publish","type":"post","link":"https:\/\/shchimay.com\/vi\/how-ph-meter-is-calibrated\/","title":{"rendered":"c\u00e1ch m\u00e1y \u0111o ph \u0111\u01b0\u1ee3c hi\u1ec7u ch\u1ec9nh"},"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\/how-ph-meter-is-calibrated\/#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\/how-ph-meter-is-calibrated\/#Huong_dan_tung_buoc_de_hieu_chinh_may_do_pH\" title=\"H\u01b0\u1edbng d\u1eabn t\u1eebng b\u01b0\u1edbc \u0111\u1ec3 hi\u1ec7u ch\u1ec9nh m\u00e1y \u0111o pH\">H\u01b0\u1edbng d\u1eabn t\u1eebng b\u01b0\u1edbc \u0111\u1ec3 hi\u1ec7u ch\u1ec9nh m\u00e1y \u0111o pH<\/a><\/li><\/ul><\/nav><\/div>\n<h1 id=\"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>\nVi\u1ec7c hi\u1ec7u chu\u1ea9n m\u00e1y \u0111o pH ph\u00f9 h\u1ee3p l\u00e0 \u0111i\u1ec1u c\u1ea7n thi\u1ebft \u0111\u1ec3 c\u00f3 c\u00e1c ph\u00e9p \u0111o ch\u00ednh x\u00e1c v\u00e0 \u0111\u00e1ng tin c\u1eady trong c\u00e1c ng\u00e0nh c\u00f4ng nghi\u1ec7p kh\u00e1c nhau nh\u01b0 th\u1ef1c ph\u1ea9m v\u00e0 \u0111\u1ed3 u\u1ed1ng, d\u01b0\u1ee3c ph\u1ea9m, gi\u00e1m s\u00e1t m\u00f4i tr\u01b0\u1eddng v\u00e0 nghi\u00ean c\u1ee9u. M\u00e1y \u0111o pH \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 trong \u0111\u00f3. \u0110\u1ec3 \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 ch\u00ednh x\u00e1c c\u1ee7a ph\u00e9p \u0111o pH, \u0111i\u1ec1u quan tr\u1ecdng l\u00e0 ph\u1ea3i hi\u1ec7u ch\u1ec9nh m\u00e1y \u0111o pH th\u01b0\u1eddng xuy\u00ean.<\/p>\n<p>Hi\u1ec7u chu\u1ea9n m\u00e1y \u0111o pH bao g\u1ed3m vi\u1ec7c \u0111i\u1ec1u ch\u1ec9nh thi\u1ebft b\u1ecb \u0111\u1ec3 \u0111\u1ecdc ch\u00ednh x\u00e1c gi\u00e1 tr\u1ecb pH \u0111\u00e3 bi\u1ebft. Qu\u00e1 tr\u00ecnh n\u00e0y l\u00e0 c\u1ea7n thi\u1ebft v\u00ec m\u00e1y \u0111o pH c\u00f3 th\u1ec3 b\u1ecb tr\u00f4i theo th\u1eddi gian do c\u00e1c y\u1ebfu t\u1ed1 nh\u01b0 thay \u0111\u1ed5i nhi\u1ec7t \u0111\u1ed9, l\u00e3o h\u00f3a \u0111i\u1ec7n c\u1ef1c v\u00e0 ti\u1ebfp x\u00fac v\u1edbi ch\u1ea5t g\u00e2y \u00f4 nhi\u1ec5m. N\u1ebfu kh\u00f4ng hi\u1ec7u chu\u1ea9n th\u00edch h\u1ee3p, c\u00e1c ph\u00e9p \u0111o pH c\u00f3 th\u1ec3 kh\u00f4ng ch\u00ednh x\u00e1c, d\u1eabn \u0111\u1ebfn k\u1ebft lu\u1eadn v\u00e0 quy\u1ebft \u0111\u1ecbnh kh\u00f4ng ch\u00ednh x\u00e1c d\u1ef1a tr\u00ean d\u1eef li\u1ec7u b\u1ecb l\u1ed7i.<\/p>\n<p>C\u00f3 hai ph\u01b0\u01a1ng ph\u00e1p ch\u00ednh \u0111\u1ec3 hi\u1ec7u chu\u1ea9n m\u00e1y \u0111o pH: hi\u1ec7u chu\u1ea9n m\u1ed9t \u0111i\u1ec3m v\u00e0 hi\u1ec7u chu\u1ea9n \u0111a \u0111i\u1ec3m. Trong hi\u1ec7u chu\u1ea9n m\u1ed9t \u0111i\u1ec3m, m\u00e1y \u0111o pH \u0111\u01b0\u1ee3c \u0111i\u1ec1u ch\u1ec9nh th\u00e0nh m\u1ed9t dung d\u1ecbch \u0111\u1ec7m ti\u00eau chu\u1ea9n duy nh\u1ea5t c\u00f3 gi\u00e1 tr\u1ecb pH \u0111\u00e3 bi\u1ebft. Ph\u01b0\u01a1ng ph\u00e1p n\u00e0y nhanh ch\u00f3ng v\u00e0 \u0111\u01a1n gi\u1ea3n nh\u01b0ng c\u00f3 th\u1ec3 kh\u00f4ng t\u00ednh \u0111\u1ebfn c\u00e1c l\u1ed7i ti\u1ec1m \u1ea9n \u1edf c\u00e1c gi\u00e1 tr\u1ecb pH kh\u00e1c. M\u1eb7t kh\u00e1c, hi\u1ec7u chu\u1ea9n \u0111a \u0111i\u1ec3m bao g\u1ed3m vi\u1ec7c \u0111i\u1ec1u ch\u1ec9nh m\u00e1y \u0111o pH \u1edf hai ho\u1eb7c nhi\u1ec1u dung d\u1ecbch \u0111\u1ec7m ti\u00eau chu\u1ea9n c\u00f3 gi\u00e1 tr\u1ecb pH kh\u00e1c nhau. Ph\u01b0\u01a1ng ph\u00e1p n\u00e0y cung c\u1ea5p kh\u1ea3 n\u0103ng hi\u1ec7u chu\u1ea9n to\u00e0n di\u1ec7n h\u01a1n v\u00e0 \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 ch\u00ednh x\u00e1c cao h\u01a1n tr\u00ean ph\u1ea1m vi gi\u00e1 tr\u1ecb pH r\u1ed9ng h\u01a1n.<\/p>\n<p>Tr\u01b0\u1edbc khi hi\u1ec7u chu\u1ea9n m\u00e1y \u0111o pH, \u0111i\u1ec1u c\u1ea7n thi\u1ebft l\u00e0 ph\u1ea3i ch\u1ecdn dung d\u1ecbch \u0111\u1ec7m th\u00edch h\u1ee3p bao ph\u1ee7 ph\u1ea1m vi pH quan t\u00e2m. Dung d\u1ecbch \u0111\u1ec7m l\u00e0 dung d\u1ecbch \u1ed5n \u0111\u1ecbnh v\u1edbi c\u00e1c gi\u00e1 tr\u1ecb pH \u0111\u00e3 bi\u1ebft, d\u00f9ng l\u00e0m \u0111i\u1ec3m tham chi\u1ebfu \u0111\u1ec3 hi\u1ec7u chu\u1ea9n. C\u00e1c dung d\u1ecbch \u0111\u1ec7m ph\u1ed5 bi\u1ebfn \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 hi\u1ec7u chu\u1ea9n m\u00e1y \u0111o pH bao g\u1ed3m pH 4,01, pH 7,00 v\u00e0 pH 10,01. \u0110i\u1ec1u quan tr\u1ecdng l\u00e0 s\u1eed d\u1ee5ng dung d\u1ecbch \u0111\u1ec7m m\u1edbi v\u00e0 b\u1ea3o qu\u1ea3n ch\u00fang \u0111\u00fang c\u00e1ch theo h\u01b0\u1edbng d\u1eabn c\u1ee7a nh\u00e0 s\u1ea3n xu\u1ea5t \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 ch\u00ednh x\u00e1c c\u1ee7a ch\u00fang.<\/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>\n\u0110\u1ec3 hi\u1ec7u ch\u1ec9nh m\u00e1y \u0111o pH, h\u00e3y b\u1eaft \u0111\u1ea7u b\u1eb1ng c\u00e1ch r\u1eeda \u0111i\u1ec7n c\u1ef1c b\u1eb1ng n\u01b0\u1edbc kh\u1eed ion \u0111\u1ec3 lo\u1ea1i b\u1ecf m\u1ecdi ch\u1ea5t g\u00e2y \u00f4 nhi\u1ec5m. Sau \u0111\u00f3, nh\u00fang \u0111i\u1ec7n c\u1ef1c v\u00e0o dung d\u1ecbch \u0111\u1ec7m \u0111\u1ea7u ti\u00ean v\u00e0 \u0111\u1ec3 gi\u00e1 tr\u1ecb \u0111\u1ecdc \u1ed5n \u0111\u1ecbnh. \u0110i\u1ec1u ch\u1ec9nh m\u00e1y \u0111o pH theo gi\u00e1 tr\u1ecb pH \u0111\u00e3 bi\u1ebft c\u1ee7a dung d\u1ecbch \u0111\u1ec7m b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng b\u1ed9 \u0111i\u1ec1u khi\u1ec3n hi\u1ec7u chu\u1ea9n. L\u1eb7p l\u1ea1i quy tr\u00ecnh n\u00e0y v\u1edbi c\u00e1c dung d\u1ecbch \u0111\u1ec7m b\u1ed5 sung n\u1ebfu th\u1ef1c hi\u1ec7n hi\u1ec7u chu\u1ea9n \u0111a \u0111i\u1ec3m. Sau khi hi\u1ec7u chu\u1ea9n, r\u1eeda l\u1ea1i \u0111i\u1ec7n c\u1ef1c b\u1eb1ng n\u01b0\u1edbc kh\u1eed ion v\u00e0 b\u1ea3o qu\u1ea3n \u0111\u00fang c\u00e1ch \u0111\u1ec3 duy tr\u00ec \u0111\u1ed9 ch\u00ednh x\u00e1c.<\/p>\n<p>Hi\u1ec7u chu\u1ea9n m\u00e1y \u0111o pH th\u01b0\u1eddng xuy\u00ean l\u00e0 c\u1ea7n thi\u1ebft \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 tin c\u1eady c\u1ee7a ph\u00e9p \u0111o pH. T\u1ea7n su\u1ea5t hi\u1ec7u chu\u1ea9n ph\u1ee5 thu\u1ed9c v\u00e0o y\u00eau c\u1ea7u c\u1ee5 th\u1ec3 c\u1ee7a \u1ee9ng d\u1ee5ng v\u00e0 khuy\u1ebfn ngh\u1ecb c\u1ee7a nh\u00e0 s\u1ea3n xu\u1ea5t. N\u00f3i chung, m\u00e1y \u0111o pH \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng th\u01b0\u1eddng xuy\u00ean c\u1ea7n \u0111\u01b0\u1ee3c hi\u1ec7u chu\u1ea9n h\u00e0ng ng\u00e0y ho\u1eb7c tr\u01b0\u1edbc m\u1ed7i l\u1ea7n s\u1eed d\u1ee5ng \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o k\u1ebft qu\u1ea3 ch\u00ednh x\u00e1c. \u0110\u1ed1i v\u1edbi vi\u1ec7c s\u1eed d\u1ee5ng \u00edt th\u01b0\u1eddng xuy\u00ean h\u01a1n, hi\u1ec7u chu\u1ea9n m\u1ed7i m\u1ed9t \u0111\u1ebfn hai tu\u1ea7n c\u00f3 th\u1ec3 l\u00e0 \u0111\u1ee7.<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-11276-1\" width=\"640\" height=\"360\" preload=\"metadata\" controls=\"controls\"><source type=\"video\/mp4\" src=\"http:\/\/shchimay.com\/wp-content\/uploads\/2023\/11\/BSQ-MINI\u6c34\u8d28\u53d8\u9001\u5668.mp4?_=1\" \/><a href=\"http:\/\/shchimay.com\/wp-content\/uploads\/2023\/11\/BSQ-MINI\u6c34\u8d28\u53d8\u9001\u5668.mp4\">http:\/\/shchimay.com\/wp-content\/uploads\/2023\/11\/BSQ-MINI\u6c34\u8d28\u53d8\u9001\u5668.mp4<\/a><\/video><\/div><br \/>\nT\u00f3m l\u1ea1i, vi\u1ec7c hi\u1ec7u chu\u1ea9n m\u00e1y \u0111o pH ph\u00f9 h\u1ee3p l\u00e0 r\u1ea5t quan tr\u1ecdng \u0111\u1ec3 \u0111o pH ch\u00ednh x\u00e1c v\u00e0 \u0111\u00e1ng tin c\u1eady. B\u1eb1ng c\u00e1ch tu\u00e2n theo c\u00e1c quy tr\u00ecnh hi\u1ec7u chu\u1ea9n ch\u00ednh x\u00e1c v\u00e0 s\u1eed d\u1ee5ng dung d\u1ecbch \u0111\u1ec7m m\u1edbi, ng\u01b0\u1eddi d\u00f9ng c\u00f3 th\u1ec3 \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 ch\u00ednh x\u00e1c c\u1ee7a m\u00e1y \u0111o pH v\u00e0 thu \u0111\u01b0\u1ee3c k\u1ebft qu\u1ea3 ch\u00ednh x\u00e1c. Hi\u1ec7u chu\u1ea9n m\u00e1y \u0111o pH th\u01b0\u1eddng xuy\u00ean l\u00e0 \u0111i\u1ec1u c\u1ea7n thi\u1ebft \u0111\u1ec3 duy tr\u00ec \u0111\u1ed9 ch\u00ednh x\u00e1c c\u1ee7a ch\u00fang theo th\u1eddi gian v\u00e0 ng\u0103n ng\u1eeba sai s\u00f3t trong ph\u00e9p \u0111o pH. B\u1eb1ng c\u00e1ch hi\u1ec3u \u0111\u01b0\u1ee3c t\u1ea7m quan tr\u1ecdng c\u1ee7a vi\u1ec7c hi\u1ec7u chu\u1ea9n m\u00e1y \u0111o pH th\u00edch h\u1ee3p v\u00e0 tu\u00e2n theo c\u00e1c ph\u01b0\u01a1ng ph\u00e1p th\u1ef1c h\u00e0nh t\u1ed1t nh\u1ea5t, ng\u01b0\u1eddi d\u00f9ng c\u00f3 th\u1ec3 \u0111\u1ea3m b\u1ea3o ch\u1ea5t l\u01b0\u1ee3ng v\u00e0 t\u00ednh to\u00e0n v\u1eb9n c\u1ee7a ph\u00e9p \u0111o pH trong c\u00e1c ng\u00e0nh c\u00f4ng nghi\u1ec7p kh\u00e1c nhau.<\/p>\n<h1 id=\"step-by-step-guide-to-calibrating-a-ph-meter-wpaicgheading\"><span class=\"ez-toc-section\" id=\"Huong_dan_tung_buoc_de_hieu_chinh_may_do_pH\"><\/span>H\u01b0\u1edbng d\u1eabn t\u1eebng b\u01b0\u1edbc \u0111\u1ec3 hi\u1ec7u ch\u1ec9nh m\u00e1y \u0111o pH<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. \u0110\u1ec3 \u0111\u1ea3m b\u1ea3o k\u1ebft qu\u1ea3 \u0111o ch\u00ednh x\u00e1c, \u0111i\u1ec1u c\u1ea7n thi\u1ebft l\u00e0 ph\u1ea3i hi\u1ec7u ch\u1ec9nh m\u00e1y \u0111o pH th\u01b0\u1eddng xuy\u00ean. Hi\u1ec7u chu\u1ea9n bao g\u1ed3m vi\u1ec7c \u0111i\u1ec1u ch\u1ec9nh m\u00e1y \u0111o pH \u0111\u1ec3 \u0111o ch\u00ednh x\u00e1c \u0111\u1ed9 pH c\u1ee7a dung d\u1ecbch. Trong b\u00e0i vi\u1ebft n\u00e0y, ch\u00fang t\u00f4i s\u1ebd cung c\u1ea5p h\u01b0\u1edbng d\u1eabn t\u1eebng b\u01b0\u1edbc v\u1ec1 c\u00e1ch hi\u1ec7u ch\u1ec9nh m\u00e1y \u0111o pH m\u1ed9t c\u00e1ch hi\u1ec7u qu\u1ea3.<\/p>\n<div class=\"entry-content-asset videofit\"><iframe loading=\"lazy\" title=\"conductivity meter calibration\" width=\"720\" height=\"405\" src=\"https:\/\/www.youtube.com\/embed\/tQ9yGIYhMDU?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>Tr\u01b0\u1edbc khi b\u1eaft \u0111\u1ea7u qu\u00e1 tr\u00ecnh hi\u1ec7u chu\u1ea9n, \u0111i\u1ec1u quan tr\u1ecdng l\u00e0 ph\u1ea3i thu th\u1eadp t\u1ea5t c\u1ea3 c\u00e1c v\u1eadt li\u1ec7u c\u1ea7n thi\u1ebft. B\u1ea1n s\u1ebd c\u1ea7n c\u00e1c dung d\u1ecbch hi\u1ec7u chu\u1ea9n pH 4, pH 7 v\u00e0 pH 10, n\u01b0\u1edbc c\u1ea5t, c\u1ed1c s\u1ea1ch v\u00e0 m\u00e1y \u0111o pH. \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 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><img decoding=\"async\" src=\"http:\/\/shchimay.com\/wp-content\/uploads\/2023\/11\/CIT-8800-Inductive-Conductivity-Concentration-Online-Controller3.jpg\" alt=\"alt-9914\" class=\"wp-image-9914\" id=\"i9914\" \/><\/p>\n<p>B\u01b0\u1edbc \u0111\u1ea7u ti\u00ean trong vi\u1ec7c hi\u1ec7u ch\u1ec9nh m\u00e1y \u0111o pH l\u00e0 r\u1eeda \u0111i\u1ec7n c\u1ef1c b\u1eb1ng n\u01b0\u1edbc c\u1ea5t \u0111\u1ec3 lo\u1ea1i b\u1ecf c\u1eb7n ho\u1eb7c ch\u1ea5t g\u00e2y \u00f4 nhi\u1ec5m. B\u01b0\u1edbc n\u00e0y r\u1ea5t c\u1ea7n thi\u1ebft \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o s\u1ed1 \u0111\u1ecdc ch\u00ednh x\u00e1c trong qu\u00e1 tr\u00ecnh hi\u1ec7u chu\u1ea9n. Sau khi \u0111i\u1ec7n c\u1ef1c s\u1ea1ch, b\u1ea1n c\u00f3 th\u1ec3 ti\u1ebfn h\u00e0nh b\u01b0\u1edbc ti\u1ebfp theo.<\/p>\n<p>Ti\u1ebfp theo, b\u1ea1n s\u1ebd c\u1ea7n nh\u00fang \u0111i\u1ec7n c\u1ef1c v\u00e0o dung d\u1ecbch hi\u1ec7u chu\u1ea9n pH 7. \u0110\u1ea3m b\u1ea3o r\u1eb1ng \u0111i\u1ec7n c\u1ef1c \u0111\u01b0\u1ee3c ng\u00e2m ho\u00e0n to\u00e0n trong dung d\u1ecbch v\u00e0 \u0111\u1ec3 \u1ed5n \u0111\u1ecbnh trong v\u00e0i ph\u00fat. B\u01b0\u1edbc n\u00e0y r\u1ea5t quan tr\u1ecdng v\u00ec n\u00f3 cho ph\u00e9p m\u00e1y \u0111o pH \u0111i\u1ec1u ch\u1ec9nh theo dung d\u1ecbch hi\u1ec7u chu\u1ea9n pH 7.<\/p>\n<p>Sau khi \u0111i\u1ec7n c\u1ef1c \u1ed5n \u0111\u1ecbnh trong dung d\u1ecbch hi\u1ec7u chu\u1ea9n pH 7, b\u1ea1n c\u00f3 th\u1ec3 \u0111i\u1ec1u ch\u1ec9nh m\u00e1y \u0111o pH \u0111\u1ec3 \u0111\u1ecdc pH 7. S\u1eed d\u1ee5ng c\u00e1c n\u00fam ho\u1eb7c n\u00fat hi\u1ec7u chu\u1ea9n tr\u00ean m\u00e1y \u0111o pH \u0111\u1ec3 \u0111i\u1ec1u ch\u1ec9nh gi\u00e1 tr\u1ecb \u0111\u1ecdc v\u1ec1 pH 7. Sau khi m\u00e1y \u0111o pH \u0111\u1ecdc ch\u00ednh x\u00e1c pH 7, b\u1ea1n c\u00f3 th\u1ec3 ti\u1ebfn h\u00e0nh b\u01b0\u1edbc ti\u1ebfp theo.<\/p>\n<p>\n<img decoding=\"async\" src=\"https:\/\/shchimay.com\/wp-content\/uploads\/2024\/04\/PH-510-Specification.jpg\" alt=\"alt-9921\" class=\"wp-image-9921\" id=\"i9921\" \/><br \/>\nB\u01b0\u1edbc ti\u1ebfp theo l\u00e0 r\u1eeda \u0111i\u1ec7n c\u1ef1c b\u1eb1ng n\u01b0\u1edbc c\u1ea5t v\u00e0 ng\u00e2m \u0111i\u1ec7n c\u1ef1c v\u00e0o dung d\u1ecbch hi\u1ec7u chu\u1ea9n pH 4. M\u1ed9t l\u1ea7n n\u1eefa, \u0111\u1ec3 \u0111i\u1ec7n c\u1ef1c \u1ed5n \u0111\u1ecbnh trong dung d\u1ecbch v\u00e0i ph\u00fat tr\u01b0\u1edbc khi \u0111i\u1ec1u ch\u1ec9nh m\u00e1y \u0111o pH \u0111\u1ec3 \u0111\u1ecdc pH 4. S\u1eed d\u1ee5ng c\u00e1c n\u00fam ho\u1eb7c n\u00fat hi\u1ec7u chu\u1ea9n \u0111\u1ec3 \u0111i\u1ec1u ch\u1ec9nh gi\u00e1 tr\u1ecb \u0111\u1ecdc \u0111\u1ebfn pH 4 m\u1ed9t c\u00e1ch 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-510 pH\/ORP<\/td>\n<\/tr>\n<tr>\n<td>Ph\u1ea1m vi<\/td>\n<td>0-14 pH; -2000 &#8211; +2000mV<\/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\uff5e60\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<\/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>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>\nSau khi m\u00e1y \u0111o pH \u0111\u1ecdc ch\u00ednh x\u00e1c pH 4, 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 10. \u0110\u1ec3 \u0111i\u1ec7n c\u1ef1c \u1ed5n \u0111\u1ecbnh trong dung d\u1ecbch tr\u01b0\u1edbc khi \u0111i\u1ec1u ch\u1ec9nh m\u00e1y \u0111o pH \u0111\u1ec3 \u0111\u1ecdc pH 10. S\u1eed d\u1ee5ng c\u00e1c n\u00fam ho\u1eb7c n\u00fat hi\u1ec7u chu\u1ea9n \u0111\u1ec3 \u0111i\u1ec1u ch\u1ec9nh gi\u00e1 tr\u1ecb \u0111\u1ecdc \u0111\u1ebfn pH 10 m\u1ed9t c\u00e1ch ch\u00ednh x\u00e1c.<\/p>\n<p>Sau khi hi\u1ec7u ch\u1ec9nh m\u00e1y \u0111o pH v\u1edbi pH 4, pH 7 v\u00e0 pH 10 dung d\u1ecbch hi\u1ec7u chu\u1ea9n, r\u1eeda \u0111i\u1ec7n c\u1ef1c b\u1eb1ng n\u01b0\u1edbc c\u1ea5t \u0111\u1ec3 lo\u1ea1i b\u1ecf c\u1eb7n. M\u00e1y \u0111o pH c\u1ee7a b\u1ea1n hi\u1ec7n \u0111\u00e3 \u0111\u01b0\u1ee3c hi\u1ec7u chu\u1ea9n v\u00e0 s\u1eb5n s\u00e0ng s\u1eed d\u1ee5ng \u0111\u1ec3 \u0111o pH ch\u00ednh x\u00e1c.<\/p>\n<p>T\u00f3m l\u1ea1i, hi\u1ec7u ch\u1ec9nh m\u00e1y \u0111o pH l\u00e0 m\u1ed9t quy tr\u00ecnh \u0111\u01a1n gi\u1ea3n nh\u01b0ng quan tr\u1ecdng \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o ph\u00e9p \u0111o pH ch\u00ednh x\u00e1c. B\u1eb1ng c\u00e1ch l\u00e0m theo h\u01b0\u1edbng d\u1eabn t\u1eebng b\u01b0\u1edbc n\u00e0y, b\u1ea1n c\u00f3 th\u1ec3 hi\u1ec7u ch\u1ec9nh m\u00e1y \u0111o pH m\u1ed9t c\u00e1ch hi\u1ec7u qu\u1ea3 v\u00e0 duy tr\u00ec \u0111\u1ed9 ch\u00ednh x\u00e1c c\u1ee7a n\u00f3. Hi\u1ec7u chu\u1ea9n m\u00e1y \u0111o pH th\u01b0\u1eddng xuy\u00ean l\u00e0 \u0111i\u1ec1u c\u1ea7n thi\u1ebft \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o k\u1ebft qu\u1ea3 \u0111\u00e1ng tin c\u1eady trong nhi\u1ec1u ng\u00e0nh c\u00f4ng nghi\u1ec7p kh\u00e1c nhau.<\/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 Vi\u1ec7c hi\u1ec7u chu\u1ea9n m\u00e1y \u0111o pH ph\u00f9 h\u1ee3p l\u00e0 \u0111i\u1ec1u c\u1ea7n thi\u1ebft \u0111\u1ec3 c\u00f3 c\u00e1c ph\u00e9p \u0111o ch\u00ednh x\u00e1c v\u00e0 \u0111\u00e1ng tin c\u1eady trong c\u00e1c ng\u00e0nh c\u00f4ng nghi\u1ec7p kh\u00e1c nhau nh\u01b0 th\u1ef1c ph\u1ea9m v\u00e0 \u0111\u1ed3 u\u1ed1ng, d\u01b0\u1ee3c ph\u1ea9m, gi\u00e1m s\u00e1t m\u00f4i tr\u01b0\u1eddng v\u00e0&#8230;<\/p>\n","protected":false},"author":1,"featured_media":1829,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_kad_post_transparent":"","_kad_post_title":"","_kad_post_layout":"","_kad_post_sidebar_id":"","_kad_post_content_style":"","_kad_post_vertical_padding":"","_kad_post_feature":"","_kad_post_feature_position":"","_kad_post_header":false,"_kad_post_footer":false},"categories":[200],"tags":[],"translation":{"provider":"WPGlobus","version":"2.12.0","language":"vi","enabled_languages":["en","zh","es","de","fr","ru","pt","ar","ja","ko","it","id","hi","th","vi","tr"],"languages":{"en":{"title":true,"content":true,"excerpt":false},"zh":{"title":true,"content":true,"excerpt":false},"es":{"title":true,"content":true,"excerpt":false},"de":{"title":false,"content":false,"excerpt":false},"fr":{"title":true,"content":true,"excerpt":false},"ru":{"title":true,"content":true,"excerpt":false},"pt":{"title":false,"content":false,"excerpt":false},"ar":{"title":false,"content":false,"excerpt":false},"ja":{"title":false,"content":false,"excerpt":false},"ko":{"title":true,"content":true,"excerpt":false},"it":{"title":true,"content":true,"excerpt":false},"id":{"title":true,"content":true,"excerpt":false},"hi":{"title":false,"content":false,"excerpt":false},"th":{"title":true,"content":true,"excerpt":false},"vi":{"title":true,"content":true,"excerpt":false},"tr":{"title":false,"content":false,"excerpt":false}}},"_links":{"self":[{"href":"https:\/\/shchimay.com\/vi\/wp-json\/wp\/v2\/posts\/11276"}],"collection":[{"href":"https:\/\/shchimay.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/shchimay.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/shchimay.com\/vi\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/shchimay.com\/vi\/wp-json\/wp\/v2\/comments?post=11276"}],"version-history":[{"count":11,"href":"https:\/\/shchimay.com\/vi\/wp-json\/wp\/v2\/posts\/11276\/revisions"}],"predecessor-version":[{"id":11398,"href":"https:\/\/shchimay.com\/vi\/wp-json\/wp\/v2\/posts\/11276\/revisions\/11398"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/shchimay.com\/vi\/wp-json\/wp\/v2\/media\/1829"}],"wp:attachment":[{"href":"https:\/\/shchimay.com\/vi\/wp-json\/wp\/v2\/media?parent=11276"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/shchimay.com\/vi\/wp-json\/wp\/v2\/categories?post=11276"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/shchimay.com\/vi\/wp-json\/wp\/v2\/tags?post=11276"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}