{"id":11975,"date":"2024-04-20T12:49:17","date_gmt":"2024-04-20T04:49:17","guid":{"rendered":"https:\/\/shchimay.com\/?p=11975"},"modified":"2024-04-20T20:58:32","modified_gmt":"2024-04-20T12:58:32","slug":"how-to-use-ph-meter","status":"publish","type":"post","link":"https:\/\/shchimay.com\/vi\/how-to-use-ph-meter\/","title":{"rendered":"c\u00e1ch s\u1eed d\u1ee5ng m\u00e1y \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\/how-to-use-ph-meter\/#Ky_thuat_hieu_chuan_phu_hop_cho_may_do_pH\" title=\"K\u1ef9 thu\u1eadt hi\u1ec7u chu\u1ea9n ph\u00f9 h\u1ee3p cho m\u00e1y \u0111o pH\">K\u1ef9 thu\u1eadt hi\u1ec7u chu\u1ea9n ph\u00f9 h\u1ee3p cho m\u00e1y \u0111o 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-meter\/#Tim_hieu_cac_chi_so_cua_may_do_pH_va_khac_phuc_su_co_thuong_gap\" title=\"T\u00ecm hi\u1ec3u c\u00e1c ch\u1ec9 s\u1ed1 c\u1ee7a m\u00e1y \u0111o pH v\u00e0 kh\u1eafc ph\u1ee5c s\u1ef1 c\u1ed1 th\u01b0\u1eddng g\u1eb7p\">T\u00ecm hi\u1ec3u c\u00e1c ch\u1ec9 s\u1ed1 c\u1ee7a m\u00e1y \u0111o pH v\u00e0 kh\u1eafc ph\u1ee5c s\u1ef1 c\u1ed1 th\u01b0\u1eddng g\u1eb7p<\/a><\/li><\/ul><\/nav><\/div>\n<h1 id=\"proper-calibration-techniques-for-ph-meters-wpaicgheading\"><span class=\"ez-toc-section\" id=\"Ky_thuat_hieu_chuan_phu_hop_cho_may_do_pH\"><\/span>K\u1ef9 thu\u1eadt hi\u1ec7u chu\u1ea9n ph\u00f9 h\u1ee3p cho 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 c\u00f3 gi\u00e1 tr\u1ecb \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng 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 v\u00e0 \u0111\u00e1ng tin c\u1eady, \u0111i\u1ec1u c\u1ea7n thi\u1ebft l\u00e0 ph\u1ea3i hi\u1ec7u ch\u1ec9nh m\u00e1y \u0111o pH th\u01b0\u1eddng xuy\u00ean. K\u1ef9 thu\u1eadt hi\u1ec7u chu\u1ea9n ph\u00f9 h\u1ee3p \u0111\u00f3ng vai tr\u00f2 quan tr\u1ecdng trong vi\u1ec7c duy tr\u00ec \u0111\u1ed9 ch\u00ednh x\u00e1c c\u1ee7a m\u00e1y \u0111o pH v\u00e0 \u0111\u1ea3m b\u1ea3o r\u1eb1ng n\u00f3 cung c\u1ea5p c\u00e1c ph\u00e9p \u0111o 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 colspan=\"2\">B\u1ed9 \u0111i\u1ec1u khi\u1ec3n truy\u1ec1n tr\u1ef1c tuy\u1ebfn pH\/ORP d\u00f2ng pH\/ORP-5500<\/td>\n<\/tr>\n<tr>\n<td rowspan=\"3\">Ph\u1ea1m vi \u0111o<\/td>\n<td>pH<\/td>\n<td>0.00~14.00<\/td>\n<\/tr>\n<tr>\n<td>ORP<\/td>\n<td>-2000mV~2000mV<\/td>\n<\/tr>\n<tr>\n<td>Nhi\u1ec7t \u0111\u1ed9.<\/td>\n<td>( 0,0~50,0)\u2103 v\u00e0 nbsp; (Th\u00e0nh ph\u1ea7n b\u00f9 nhi\u1ec7t \u0111\u1ed9: NTC10K)<\/td>\n<\/tr>\n<tr>\n<td rowspan=\"3\">\u0110\u1ed9 ph\u00e2n gi\u1ea3i<\/td>\n<td>pH<\/td>\n<td>0.01<\/td>\n<\/tr>\n<tr>\n<td>ORP<\/td>\n<td>1mV<\/td>\n<\/tr>\n<tr>\n<td>Nhi\u1ec7t \u0111\u1ed9.<\/td>\n<td>0,1\u2103<\/td>\n<\/tr>\n<tr>\n<td rowspan=\"3\">\u0111\u1ed9 ch\u00ednh x\u00e1c<\/td>\n<td>pH<\/td>\n<td>0.1<\/td>\n<\/tr>\n<tr>\n<td>ORP<\/td>\n<td>\u00b15mV\uff08b\u1ed9 ph\u1eadn \u0111i\u1ec7n t\u1eed\uff09<\/td>\n<\/tr>\n<tr>\n<td>Nhi\u1ec7t \u0111\u1ed9.<\/td>\n<td>\u00b10.5\u2103<\/td>\n<\/tr>\n<tr>\n<td>Tr\u1edf kh\u00e1ng \u0111\u1ea7u v\u00e0o g\u1ea7n \u0111\u00fang<\/td>\n<td colspan=\"2\">3\u00d71011\u03a9<\/td>\n<\/tr>\n<tr>\n<td>Dung d\u1ecbch \u0111\u1ec7m<\/td>\n<td colspan=\"2\">gi\u00e1 tr\u1ecb pH: 10,00\uff1b9,18\uff1b7,00\uff1b6,86\uff1b4,01\uff1b4,00<\/td>\n<\/tr>\n<tr>\n<td>Nhi\u1ec7t \u0111\u1ed9. ph\u1ea1m vi b\u00f9<\/td>\n<td colspan=\"2\">(0~50)\u2103\uff08v\u1edbi 25\u2103 l\u00e0 ti\u00eau chu\u1ea9n\uff09B\u00f9 nhi\u1ec7t \u0111\u1ed9 th\u1ee7 c\u00f4ng v\u00e0 t\u1ef1 \u0111\u1ed9ng<\/td>\n<\/tr>\n<tr>\n<td rowspan=\"3\">(4~20)mA<\/td>\n<td>\u0111\u1eb7c \u0111i\u1ec3m<\/td>\n<td>D\u1ee5ng c\u1ee5\/m\u00e1y ph\u00e1t b\u1ecb c\u00f4 l\u1eadp, c\u00f3 th\u1ec3 \u0111i\u1ec1u ch\u1ec9nh ho\u00e0n to\u00e0n, c\u00f3 th\u1ec3 \u0111\u1ea3o ng\u01b0\u1ee3c \u0111\u1ec3 l\u1ef1a ch\u1ecdn<\/td>\n<\/tr>\n<tr>\n<td>\u0110i\u1ec7n tr\u1edf v\u00f2ng l\u1eb7p<\/td>\n<td>500\u03a9\uff08Max\uff09\uff0cDC 24V<\/td>\n<\/tr>\n<tr>\n<td>\u0111\u1ed9 ch\u00ednh x\u00e1c<\/td>\n<td>\u00b10.1mA<\/td>\n<\/tr>\n<tr>\n<td rowspan=\"2\">Ki\u1ec3m so\u00e1t li\u00ean h\u1ec7<\/td>\n<td>Ti\u1ebfp \u0111i\u1ec3m \u0111i\u1ec7n<\/td>\n<td>R\u01a1le \u0111\u00f4i SPST-NO, ki\u1ec3u tr\u1ea3 v\u1ec1<\/td>\n<\/tr>\n<tr>\n<td>Dung l\u01b0\u1ee3ng v\u00f2ng l\u1eb7p<\/td>\n<td>AC 220V\/AC 110V 2A(T\u1ed1i \u0111a)\uff1bDC 24V 2A(T\u1ed1i \u0111a)<\/td>\n<\/tr>\n<tr>\n<td>Ti\u00eau th\u1ee5 \u0111i\u1ec7n n\u0103ng<\/td>\n<td colspan=\"2\">3W<\/td>\n<\/tr>\n<tr>\n<td rowspan=\"2\">L\u00e0m vi\u1ec7c v\u00e0 m\u00f4i tr\u01b0\u1eddng<\/td>\n<td>nhi\u1ec7t \u0111\u1ed9<\/td>\n<td>(0~50)\u2103<\/td>\n<\/tr>\n<tr>\n<td>\u0111\u1ed9 \u1ea9m<\/td>\n<td>\u226485\uff05RH(kh\u00f4ng ng\u01b0ng t\u1ee5)<\/td>\n<\/tr>\n<tr>\n<td>M\u00f4i tr\u01b0\u1eddng l\u01b0u tr\u1eef<\/td>\n<td colspan=\"2\">Nhi\u1ec7t \u0111\u1ed9.(-20-60) \u2103;\u0111\u1ed9 \u1ea9m t\u01b0\u01a1ng \u0111\u1ed1i:\u226485 ph\u1ea7n tr\u0103m RH(kh\u00f4ng ng\u01b0ng t\u1ee5<\/td>\n<\/tr>\n<tr>\n<td>K\u00edch th\u01b0\u1edbc ph\u00e1c th\u1ea3o<\/td>\n<td colspan=\"2\">96mm\u00d796mm\u00d7105mm\uff08H\u00d7W\u00d7D\uff09<\/td>\n<\/tr>\n<tr>\n<td>K\u00edch th\u01b0\u1edbc l\u1ed7<\/td>\n<td colspan=\"2\">91mm\u00d791mm(H\u00d7W)<\/td>\n<\/tr>\n<tr>\n<td>c\u00e0i \u0111\u1eb7t<\/td>\n<td colspan=\"2\">G\u1eafn b\u1ea3ng \u0111i\u1ec1u khi\u1ec3n, l\u1eafp \u0111\u1eb7t nhanh<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/figure>\n<p>\nHi\u1ec7u ch\u1ec9nh m\u00e1y \u0111o pH bao g\u1ed3m vi\u1ec7c \u0111i\u1ec1u ch\u1ec9nh thi\u1ebft b\u1ecb \u0111\u1ec3 \u0111\u1ecdc gi\u00e1 tr\u1ecb pH \u0111\u00e3 bi\u1ebft. Qu\u00e1 tr\u00ecnh n\u00e0y r\u1ea5t c\u1ea7n thi\u1ebft v\u00ec m\u00e1y \u0111o pH c\u00f3 th\u1ec3 b\u1ecb tr\u00f4i theo th\u1eddi gian, d\u1eabn \u0111\u1ebfn k\u1ebft qu\u1ea3 \u0111o kh\u00f4ng ch\u00ednh x\u00e1c. B\u1eb1ng c\u00e1ch hi\u1ec7u chu\u1ea9n m\u00e1y \u0111o pH th\u01b0\u1eddng xuy\u00ean, b\u1ea1n c\u00f3 th\u1ec3 \u0111\u1ea3m b\u1ea3o r\u1eb1ng m\u00e1y lu\u00f4n ch\u00ednh x\u00e1c v\u00e0 \u0111\u00e1ng tin c\u1eady.<\/p>\n<p>C\u00f3 hai ph\u01b0\u01a1ng ph\u00e1p ch\u00ednh \u0111\u1ec3 hi\u1ec7u ch\u1ec9nh m\u00e1y \u0111o pH: hi\u1ec7u chu\u1ea9n m\u1ed9t \u0111i\u1ec3m v\u00e0 hi\u1ec7u chu\u1ea9n \u0111a \u0111i\u1ec3m. Hi\u1ec7u chu\u1ea9n m\u1ed9t \u0111i\u1ec3m li\u00ean quan \u0111\u1ebfn vi\u1ec7c \u0111i\u1ec1u ch\u1ec9nh m\u00e1y \u0111o pH \u0111\u1ebfn m\u1ed9t gi\u00e1 tr\u1ecb pH \u0111\u00e3 bi\u1ebft duy nh\u1ea5t, \u0111i\u1ec3n h\u00ecnh l\u00e0 pH 7. Ph\u01b0\u01a1ng ph\u00e1p n\u00e0y ph\u00f9 h\u1ee3p cho c\u00e1c \u1ee9ng d\u1ee5ng m\u00e0 ph\u00e9p \u0111o ch\u00ednh x\u00e1c kh\u00f4ng quan tr\u1ecdng. Tuy nhi\u00ean, \u0111\u1ec3 c\u00f3 k\u1ebft qu\u1ea3 ch\u00ednh x\u00e1c h\u01a1n, n\u00ean hi\u1ec7u chu\u1ea9n \u0111a \u0111i\u1ec3m.<\/p>\n<p>Hi\u1ec7u chu\u1ea9n \u0111a \u0111i\u1ec3m li\u00ean quan \u0111\u1ebfn vi\u1ec7c \u0111i\u1ec1u ch\u1ec9nh m\u00e1y \u0111o pH th\u00e0nh hai ho\u1eb7c nhi\u1ec1u gi\u00e1 tr\u1ecb pH \u0111\u00e3 bi\u1ebft. Ph\u01b0\u01a1ng ph\u00e1p n\u00e0y ch\u00ednh x\u00e1c h\u01a1n so v\u1edbi hi\u1ec7u chu\u1ea9n m\u1ed9t \u0111i\u1ec3m v\u00e0 l\u00fd t\u01b0\u1edfng cho c\u00e1c \u1ee9ng d\u1ee5ng c\u1ea7n \u0111o l\u01b0\u1eddng ch\u00ednh x\u00e1c. \u0110\u1ec3 th\u1ef1c hi\u1ec7n hi\u1ec7u chu\u1ea9n \u0111a \u0111i\u1ec3m, b\u1ea1n s\u1ebd c\u1ea7n c\u00e1c dung d\u1ecbch hi\u1ec7u chu\u1ea9n c\u00f3 gi\u00e1 tr\u1ecb pH \u0111\u00e3 bi\u1ebft, th\u01b0\u1eddng l\u00e0 pH 4, 7 v\u00e0 10.<\/p>\n<p>Tr\u01b0\u1edbc khi hi\u1ec7u ch\u1ec9nh m\u00e1y \u0111o pH, \u0111i\u1ec1u c\u1ea7n thi\u1ebft l\u00e0 ph\u1ea3i \u0111\u1ea3m b\u1ea3o r\u1eb1ng \u0111i\u1ec7n c\u1ef1c s\u1ea1ch v\u00e0 kh\u00f4ng c\u00f3 b\u1ea5t k\u1ef3 ch\u1ea5t g\u00e2y \u00f4 nhi\u1ec5m n\u00e0o . R\u1eeda s\u1ea1ch \u0111i\u1ec7n c\u1ef1c b\u1eb1ng n\u01b0\u1edbc c\u1ea5t r\u1ed3i nh\u00fang v\u00e0o dung d\u1ecbch hi\u1ec7u chu\u1ea9n pH 7. \u0110\u1ec3 \u0111i\u1ec7n c\u1ef1c \u1ed5n \u0111\u1ecbnh trong v\u00e0i ph\u00fat tr\u01b0\u1edbc khi \u0111i\u1ec1u ch\u1ec9nh m\u00e1y \u0111o pH \u0111\u1ebfn gi\u00e1 tr\u1ecb ch\u00ednh x\u00e1c.<\/p>\n<p>Sau khi m\u00e1y \u0111o pH \u0111\u01b0\u1ee3c hi\u1ec7u ch\u1ec9nh \u0111\u1ebfn pH 7, h\u00e3y r\u1eeda s\u1ea1ch \u0111i\u1ec7n c\u1ef1c m\u1ed9t l\u1ea7n n\u1eefa v\u00e0 nh\u00fang n\u00f3 v\u00e0o dung d\u1ecbch hi\u1ec7u chu\u1ea9n pH 4. \u0110\u1ec3 \u0111i\u1ec7n c\u1ef1c \u1ed5n \u0111\u1ecbnh tr\u01b0\u1edbc khi \u0111i\u1ec1u ch\u1ec9nh m\u00e1y \u0111o pH \u0111\u1ebfn gi\u00e1 tr\u1ecb ch\u00ednh x\u00e1c. L\u1eb7p l\u1ea1i quy tr\u00ecnh n\u00e0y cho dung d\u1ecbch hi\u1ec7u chu\u1ea9n pH 10 n\u1ebfu c\u1ea7n.<\/p>\n<p>\n<img decoding=\"async\" src=\"https:\/\/shchimay.com\/wp-content\/uploads\/2024\/04\/PH-sensor-installation-2.png\" alt=\"alt-9811\" class=\"wp-image-9811\" id=\"i9811\" \/><br \/>\nSau khi hi\u1ec7u ch\u1ec9nh m\u00e1y \u0111o pH, \u0111i\u1ec1u c\u1ea7n thi\u1ebft l\u00e0 ph\u1ea3i r\u1eeda s\u1ea1ch \u0111i\u1ec7n c\u1ef1c b\u1eb1ng n\u01b0\u1edbc c\u1ea5t v\u00e0 b\u1ea3o qu\u1ea3n \u0111\u00fang c\u00e1ch \u0111\u1ec3 tr\u00e1nh h\u01b0 h\u1ecfng. B\u1ea3o qu\u1ea3n \u0111i\u1ec7n c\u1ef1c \u0111\u00fang c\u00e1ch s\u1ebd gi\u00fap k\u00e9o d\u00e0i tu\u1ed5i th\u1ecd c\u1ee7a \u0111i\u1ec7n c\u1ef1c v\u00e0 \u0111\u1ea3m b\u1ea3o k\u1ebft qu\u1ea3 \u0111\u1ecdc ch\u00ednh x\u00e1c trong t\u01b0\u01a1ng lai.<\/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>\nNgo\u00e0i vi\u1ec7c hi\u1ec7u chu\u1ea9n th\u01b0\u1eddng xuy\u00ean, \u0111i\u1ec1u c\u1ea7n thi\u1ebft l\u00e0 ph\u1ea3i th\u1ef1c hi\u1ec7n b\u1ea3o tr\u00ec \u0111\u1ecbnh k\u1ef3 m\u00e1y \u0111o pH c\u1ee7a b\u1ea1n \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o hi\u1ec7u su\u1ea5t t\u1ed1i \u01b0u. \u0110i\u1ec1u n\u00e0y bao g\u1ed3m vi\u1ec7c v\u1ec7 sinh \u0111i\u1ec7n c\u1ef1c th\u01b0\u1eddng xuy\u00ean, thay th\u1ebf ch\u1ea5t \u0111i\u1ec7n ph\u00e2n tham chi\u1ebfu khi c\u1ea7n v\u00e0 b\u1ea3o qu\u1ea3n m\u00e1y \u0111o pH trong m\u00f4i tr\u01b0\u1eddng th\u00edch h\u1ee3p.<\/p>\n<p>B\u1eb1ng c\u00e1ch tu\u00e2n theo c\u00e1c k\u1ef9 thu\u1eadt hi\u1ec7u chu\u1ea9n th\u00edch h\u1ee3p v\u00e0 th\u1ef1c hi\u1ec7n b\u1ea3o tr\u00ec \u0111\u1ecbnh k\u1ef3 tr\u00ean m\u00e1y \u0111o pH, b\u1ea1n c\u00f3 th\u1ec3 \u0111\u1ea3m b\u1ea3o c\u00e1c ph\u00e9p \u0111o ch\u00ednh x\u00e1c v\u00e0 \u0111\u00e1ng tin c\u1eady cho c\u1ee5 th\u1ec3 c\u1ee7a m\u00ecnh. \u1ee9ng d\u1ee5ng. Hi\u1ec7u chu\u1ea9n 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 m\u00e1y \u0111o pH v\u00e0 \u0111\u1ea3m b\u1ea3o r\u1eb1ng n\u00f3 cung c\u1ea5p s\u1ed1 \u0111\u1ecdc ch\u00ednh x\u00e1c.<\/p>\n<p>T\u00f3m l\u1ea1i, k\u1ef9 thu\u1eadt hi\u1ec7u chu\u1ea9n ph\u00f9 h\u1ee3p l\u00e0 r\u1ea5t quan tr\u1ecdng \u0111\u1ec3 duy tr\u00ec \u0111\u1ed9 ch\u00ednh x\u00e1c c\u1ee7a m\u00e1y \u0111o pH v\u00e0 \u0111\u1ea3m b\u1ea3o c\u00e1c ph\u00e9p \u0111o \u0111\u00e1ng tin c\u1eady. B\u1eb1ng c\u00e1ch l\u00e0m theo c\u00e1c b\u01b0\u1edbc \u0111\u01b0\u1ee3c n\u00eau trong b\u00e0i vi\u1ebft 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 \u0111\u1ea3m b\u1ea3o s\u1ed1 \u0111\u1ecdc ch\u00ednh x\u00e1c cho \u1ee9ng d\u1ee5ng c\u1ee5 th\u1ec3 c\u1ee7a m\u00ecnh. Hi\u1ec7u chu\u1ea9n th\u01b0\u1eddng xuy\u00ean v\u00e0 b\u1ea3o tr\u00ec \u0111\u1ecbnh k\u1ef3 l\u00e0 \u0111i\u1ec1u c\u1ea7n thi\u1ebft \u0111\u1ec3 k\u00e9o d\u00e0i tu\u1ed5i th\u1ecd c\u1ee7a m\u00e1y \u0111o pH v\u00e0 \u0111\u1ea3m b\u1ea3o hi\u1ec7u su\u1ea5t t\u1ed1i \u01b0u.<\/p>\n<h1 id=\"understanding-ph-meter-readings-and-troubleshooting-common-issues-wpaicgheading\"><span class=\"ez-toc-section\" id=\"Tim_hieu_cac_chi_so_cua_may_do_pH_va_khac_phuc_su_co_thuong_gap\"><\/span>T\u00ecm hi\u1ec3u c\u00e1c ch\u1ec9 s\u1ed1 c\u1ee7a m\u00e1y \u0111o pH v\u00e0 kh\u1eafc ph\u1ee5c s\u1ef1 c\u1ed1 th\u01b0\u1eddng g\u1eb7p<span class=\"ez-toc-section-end\"><\/span><\/h1>\n<p>\nM\u00e1y \u0111o pH l\u00e0 m\u1ed9t c\u00f4ng c\u1ee5 c\u00f3 gi\u00e1 tr\u1ecb \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng 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 theo thang \u0111i\u1ec3m t\u1eeb 0 \u0111\u1ebfn 14, v\u1edbi 7 l\u00e0 trung t\u00ednh. Hi\u1ec3u c\u00e1ch s\u1eed d\u1ee5ng m\u00e1y \u0111o pH \u0111\u00fang c\u00e1ch l\u00e0 \u0111i\u1ec1u c\u1ea7n thi\u1ebft \u0111\u1ec3 c\u00f3 \u0111\u01b0\u1ee3c k\u1ebft qu\u1ea3 ch\u00ednh x\u00e1c v\u00e0 \u0111\u1ea3m b\u1ea3o ch\u1ea5t l\u01b0\u1ee3ng s\u1ea3n ph\u1ea9m ho\u1eb7c quy tr\u00ecnh c\u1ee7a b\u1ea1n.<\/p>\n<div class=\"entry-content-asset videofit\"><iframe loading=\"lazy\" title=\"Factory Supply  Brass Water Pressure Sensor For Liquid Gas\" width=\"720\" height=\"405\" src=\"https:\/\/www.youtube.com\/embed\/ThIBsETw5s8?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><img decoding=\"async\" src=\"http:\/\/shchimay.com\/wp-content\/uploads\/2023\/11\/TUR-2200L-1.jpg\" alt=\"alt-9819\" class=\"wp-image-9819\" id=\"i9819\" \/><br \/>\n\u0110\u1ec3 s\u1eed d\u1ee5ng m\u00e1y \u0111o pH, h\u00e3y b\u1eaft \u0111\u1ea7u b\u1eb1ng c\u00e1ch hi\u1ec7u ch\u1ec9nh m\u00e1y b\u1eb1ng dung d\u1ecbch \u0111\u1ec7m c\u00f3 gi\u00e1 tr\u1ecb pH \u0111\u00e3 bi\u1ebft. B\u01b0\u1edbc n\u00e0y r\u1ea5t quan tr\u1ecdng \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o t\u00ednh ch\u00ednh x\u00e1c c\u1ee7a b\u00e0i \u0111\u1ecdc c\u1ee7a b\u1ea1n. H\u1ea7u h\u1ebft c\u00e1c m\u00e1y \u0111o pH \u0111\u1ec1u c\u00f3 h\u01b0\u1edbng d\u1eabn hi\u1ec7u chu\u1ea9n, v\u00ec v\u1eady h\u00e3y nh\u1edb l\u00e0m theo ch\u00fang m\u1ed9t c\u00e1ch c\u1ea9n th\u1eadn. Sau khi hi\u1ec7u chu\u1ea9n, r\u1eeda s\u1ea1ch \u0111i\u1ec7n c\u1ef1c b\u1eb1ng n\u01b0\u1edbc c\u1ea5t v\u00e0 nh\u1eb9 nh\u00e0ng th\u1ea5m kh\u00f4 b\u1eb1ng kh\u0103n gi\u1ea5y s\u1ea1ch tr\u01b0\u1edbc khi nh\u00fang v\u00e0o dung d\u1ecbch b\u1ea1n mu\u1ed1n ki\u1ec3m tra.<\/p>\n<p>Khi \u0111\u1ecdc gi\u00e1 tr\u1ecb pH, h\u00e3y \u0111\u1ea3m b\u1ea3o \u0111i\u1ec7n c\u1ef1c \u0111\u01b0\u1ee3c ng\u1eadp ho\u00e0n to\u00e0n trong dung d\u1ecbch v\u00e0 \u0111\u01b0a \u0111i\u1ec7n c\u1ef1c v\u00e0o m\u1ed9t th\u1eddi gian n\u1eefa s\u1ebd \u1ed5n \u0111\u1ecbnh. M\u00e1y \u0111o pH s\u1ebd hi\u1ec3n th\u1ecb gi\u00e1 tr\u1ecb b\u1eb1ng s\u1ed1 t\u01b0\u01a1ng \u1ee9ng v\u1edbi \u0111\u1ed9 axit ho\u1eb7c \u0111\u1ed9 ki\u1ec1m c\u1ee7a dung d\u1ecbch. H\u00e3y nh\u1edb r\u1eb1ng ch\u1ec9 s\u1ed1 pH c\u00f3 th\u1ec3 b\u1ecb \u1ea3nh h\u01b0\u1edfng b\u1edfi nhi\u1ec7t \u0111\u1ed9, v\u00ec v\u1eady \u0111i\u1ec1u quan tr\u1ecdng l\u00e0 ph\u1ea3i t\u00ednh \u0111\u1ebfn y\u1ebfu t\u1ed1 n\u00e0y v\u00e0 th\u1ef1c hi\u1ec7n b\u1ea5t k\u1ef3 \u0111i\u1ec1u ch\u1ec9nh c\u1ea7n thi\u1ebft n\u00e0o.<br \/>\n<a href=\"http:\/\/shchimay.com\/wp-content\/uploads\/2023\/11\/TU-650-\u4f4e\u91cf\u7a0b\u6d4a\u5ea6-\u663e\u793a\u4e00\u4f53\u5f0f\u5e26.%20mp4\">http:\/\/shchimay.com\/wp-content\/uploads\/2023\/11\/TU-650-\u4f4e\u91cf\u7a0b\u6d4a\u5ea6-\u663e\u793a\u4e00\u4f53\u5f0f\u5e26. mp4<\/a><br \/>\nN\u1ebfu b\u1ea1n g\u1eb7p b\u1ea5t k\u1ef3 v\u1ea5n \u0111\u1ec1 n\u00e0o v\u1edbi ch\u1ec9 s\u1ed1 tr\u00ean m\u00e1y \u0111o pH, b\u1ea1n c\u00f3 th\u1ec3 th\u1ef1c hi\u1ec7n m\u1ed9t s\u1ed1 b\u01b0\u1edbc kh\u1eafc ph\u1ee5c s\u1ef1 c\u1ed1 ph\u1ed5 bi\u1ebfn. M\u1ed9t v\u1ea5n \u0111\u1ec1 ph\u1ed5 bi\u1ebfn l\u00e0 nhi\u1ec5m b\u1ea9n \u0111i\u1ec7n c\u1ef1c, c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn k\u1ebft qu\u1ea3 \u0111\u1ecdc kh\u00f4ng ch\u00ednh x\u00e1c. \u0110\u1ec3 gi\u1ea3i quy\u1ebft v\u1ea5n \u0111\u1ec1 n\u00e0y, h\u00e3y l\u00e0m s\u1ea1ch \u0111i\u1ec7n c\u1ef1c b\u1eb1ng b\u00e0n ch\u1ea3i m\u1ec1m v\u00e0 dung d\u1ecbch t\u1ea9y r\u1eeda nh\u1eb9, sau \u0111\u00f3 r\u1eeda k\u1ef9 b\u1eb1ng n\u01b0\u1edbc c\u1ea5t.<\/p>\n<p>M\u1ed9t v\u1ea5n \u0111\u1ec1 ph\u1ed5 bi\u1ebfn kh\u00e1c l\u00e0 tr\u00f4i \u0111i\u1ec7n c\u1ef1c, x\u1ea3y ra khi m\u00e1y \u0111o pH hi\u1ec3n th\u1ecb s\u1ed1 \u0111\u1ecdc dao \u0111\u1ed9ng. \u0110i\u1ec1u n\u00e0y c\u00f3 th\u1ec3 do nhi\u1ec1u y\u1ebfu t\u1ed1 g\u00e2y ra, ch\u1eb3ng h\u1ea1n nh\u01b0 pin y\u1ebfu ho\u1eb7c ch\u1ebft, hi\u1ec7u chu\u1ea9n kh\u00f4ng \u0111\u00fang ho\u1eb7c \u0111i\u1ec7n c\u1ef1c b\u1ecb h\u1ecfng. \u0110\u1ec3 kh\u1eafc ph\u1ee5c s\u1ef1 c\u1ed1 tr\u00f4i \u0111i\u1ec7n c\u1ef1c, h\u00e3y ki\u1ec3m tra m\u1ee9c pin, hi\u1ec7u ch\u1ec9nh l\u1ea1i m\u00e1y \u0111o pH v\u00e0 ki\u1ec3m tra \u0111i\u1ec7n c\u1ef1c xem c\u00f3 d\u1ea5u hi\u1ec7u h\u01b0 h\u1ecfng n\u00e0o kh\u00f4ng.<\/p>\n<p>N\u1ebfu b\u1ea1n ti\u1ebfp t\u1ee5c g\u1eb7p s\u1ef1 c\u1ed1 v\u1edbi m\u00e1y \u0111o pH, c\u00f3 l\u1ebd \u0111\u00e3 \u0111\u1ebfn l\u00fac thay \u0111i\u1ec7n c\u1ef1c ho\u1eb7c t\u00ecm ki\u1ebfm s\u1ef1 tr\u1ee3 gi\u00fap chuy\u00ean nghi\u1ec7p . Vi\u1ec7c b\u1ea3o tr\u00ec v\u00e0 hi\u1ec7u chu\u1ea9n th\u01b0\u1eddng xuy\u00ean m\u00e1y \u0111o pH l\u00e0 \u0111i\u1ec1u c\u1ea7n thi\u1ebft \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o s\u1ed1 \u0111\u1ecdc ch\u00ednh x\u00e1c v\u00e0 k\u00e9o d\u00e0i tu\u1ed5i th\u1ecd c\u1ee7a n\u00f3.<\/p>\n<p>T\u00f3m l\u1ea1i, s\u1eed d\u1ee5ng m\u00e1y \u0111o pH \u0111\u00fang c\u00e1ch l\u00e0 \u0111i\u1ec1u c\u1ea7n thi\u1ebft \u0111\u1ec3 c\u00f3 \u0111\u01b0\u1ee3c s\u1ed1 \u0111\u1ecdc ch\u00ednh x\u00e1c v\u00e0 duy tr\u00ec ch\u1ea5t l\u01b0\u1ee3ng s\u1ea3n ph\u1ea9m ho\u1eb7c quy tr\u00ecnh c\u1ee7a b\u1ea1n. B\u1eb1ng c\u00e1ch tu\u00e2n theo c\u00e1c quy tr\u00ecnh hi\u1ec7u chu\u1ea9n th\u00edch h\u1ee3p, l\u1ea5y s\u1ed1 \u0111\u1ecdc ch\u00ednh x\u00e1c v\u00e0 kh\u1eafc ph\u1ee5c c\u00e1c s\u1ef1 c\u1ed1 th\u01b0\u1eddng g\u1eb7p, b\u1ea1n c\u00f3 th\u1ec3 \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 tin c\u1eady v\u00e0 hi\u1ec7u qu\u1ea3 c\u1ee7a m\u00e1y \u0111o pH. H\u00e3y nh\u1edb s\u1eed d\u1ee5ng \u0111i\u1ec7n c\u1ef1c c\u1ea9n th\u1eadn, v\u1ec7 sinh th\u01b0\u1eddng xuy\u00ean v\u00e0 b\u1ea3o qu\u1ea3n \u0111\u00fang c\u00e1ch \u0111\u1ec3 t\u1ed1i \u0111a h\u00f3a hi\u1ec7u su\u1ea5t c\u1ee7a \u0111i\u1ec7n c\u1ef1c. 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