{"id":24061,"date":"2024-08-30T05:41:18","date_gmt":"2024-08-29T21:41:18","guid":{"rendered":"https:\/\/chimaytech.net\/?p=24061"},"modified":"2024-08-31T13:30:55","modified_gmt":"2024-08-31T05:30:55","slug":"hach-hq11d","status":"publish","type":"post","link":"https:\/\/chimaytech.net\/vi\/hach-hq11d\/","title":{"rendered":"hq11d"},"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\/hach-hq11d\/#Cach_hieu_chinh_may_do_pH_Hach_HQ11D\" title=\"C\u00e1ch hi\u1ec7u ch\u1ec9nh m\u00e1y \u0111o pH Hach HQ11D\">C\u00e1ch hi\u1ec7u ch\u1ec9nh m\u00e1y \u0111o pH Hach HQ11D<\/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\/hach-hq11d\/#Khac_phuc_cac_su_co_thuong_gap_voi_may_do_pH_Hach_HQ11D\" title=\"Kh\u1eafc ph\u1ee5c c\u00e1c s\u1ef1 c\u1ed1 th\u01b0\u1eddng g\u1eb7p v\u1edbi m\u00e1y \u0111o pH Hach HQ11D\">Kh\u1eafc ph\u1ee5c c\u00e1c s\u1ef1 c\u1ed1 th\u01b0\u1eddng g\u1eb7p v\u1edbi m\u00e1y \u0111o pH Hach HQ11D<\/a><\/li><\/ul><\/nav><\/div>\n<h1 id=\"how-to-calibrate-the-hach-hq11d-ph-meter-wpaicgheading\"><span class=\"ez-toc-section\" id=\"Cach_hieu_chinh_may_do_pH_Hach_HQ11D\"><\/span>C\u00e1ch hi\u1ec7u ch\u1ec9nh m\u00e1y \u0111o pH Hach HQ11D<span class=\"ez-toc-section-end\"><\/span><\/h1>\n<p>\nM\u00e1y \u0111o pH Hach HQ11D l\u00e0 m\u1ed9t c\u00f4ng c\u1ee5 h\u1eefu \u00edch \u0111\u1ec3 \u0111o \u0111\u1ed9 axit ho\u1eb7c \u0111\u1ed9 ki\u1ec1m c\u1ee7a dung d\u1ecbch. \u0110\u1ec3 \u0111\u1ea3m b\u1ea3o k\u1ebft qu\u1ea3 \u0111o ch\u00ednh x\u00e1c, \u0111i\u1ec1u quan tr\u1ecdng l\u00e0 ph\u1ea3i hi\u1ec7u ch\u1ec9nh m\u00e1y \u0111o pH th\u01b0\u1eddng xuy\u00ean. Hi\u1ec7u chu\u1ea9n l\u00e0 qu\u00e1 tr\u00ecnh \u0111i\u1ec1u ch\u1ec9nh m\u00e1y \u0111o pH theo m\u1ed9t ti\u00eau chu\u1ea9n \u0111\u00e3 bi\u1ebft \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o r\u1eb1ng n\u00f3 cung c\u1ea5p c\u00e1c ph\u00e9p \u0111o ch\u00ednh x\u00e1c. Trong b\u00e0i vi\u1ebft n\u00e0y, ch\u00fang ta s\u1ebd th\u1ea3o lu\u1eadn v\u1ec1 c\u00e1ch hi\u1ec7u chu\u1ea9n m\u00e1y \u0111o pH Hach HQ11D \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o k\u1ebft qu\u1ea3 ch\u00ednh x\u00e1c v\u00e0 \u0111\u00e1ng tin c\u1eady.<\/p>\n<p>Tr\u01b0\u1edbc khi hi\u1ec7u ch\u1ec9nh m\u00e1y \u0111o pH, \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 dung d\u1ecbch \u0111\u1ec7m hi\u1ec7u chu\u1ea9n c\u00f3 gi\u00e1 tr\u1ecb pH \u0111\u00e3 bi\u1ebft, th\u01b0\u1eddng l\u00e0 pH 4,01 v\u00e0 pH 7,00, c\u0169ng nh\u01b0 n\u01b0\u1edbc c\u1ea5t \u0111\u1ec3 r\u1eeda \u0111i\u1ec7n c\u1ef1c gi\u1eefa c\u00e1c l\u1ea7n hi\u1ec7u chu\u1ea9n. \u0110i\u1ec1u quan tr\u1ecdng n\u1eefa l\u00e0 ph\u1ea3i \u0111\u1ea3m b\u1ea3o r\u1eb1ng m\u00e1y \u0111o pH s\u1ea1ch v\u00e0 kh\u00f4ng c\u00f3 b\u1ea5t k\u1ef3 m\u1ea3nh v\u1ee5n n\u00e0o c\u00f3 th\u1ec3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn \u0111\u1ed9 ch\u00ednh x\u00e1c c\u1ee7a k\u1ebft qu\u1ea3 \u0111o.<\/p>\n<p>\u0110\u1ec3 b\u1eaft \u0111\u1ea7u qu\u00e1 tr\u00ecnh hi\u1ec7u chu\u1ea9n, h\u00e3y b\u1eaft \u0111\u1ea7u b\u1eb1ng c\u00e1ch b\u1eadt m\u00e1y \u0111o pH v\u00e0 \u0111\u1ec3 m\u00e1y \u1ea5m l\u00ean \u00edt nh\u1ea5t 30 ph\u00fat. \u0110i\u1ec1u n\u00e0y s\u1ebd \u0111\u1ea3m b\u1ea3o r\u1eb1ng c\u00e1c b\u00e0i \u0111\u1ecdc \u1ed5n \u0111\u1ecbnh v\u00e0 ch\u00ednh x\u00e1c. Sau khi m\u00e1y \u0111o pH \u0111\u01b0\u1ee3c l\u00e0m \u1ea5m, r\u1eeda s\u1ea1ch \u0111i\u1ec7n c\u1ef1c b\u1eb1ng n\u01b0\u1edbc c\u1ea5t \u0111\u1ec3 lo\u1ea1i b\u1ecf c\u1eb7n c\u00f2n s\u00f3t l\u1ea1i.<\/p>\n<p>Ti\u1ebfp theo, nh\u00fang \u0111i\u1ec7n c\u1ef1c v\u00e0o dung d\u1ecbch \u0111\u1ec7m pH 7,00 v\u00e0 \u0111\u1ec3 \u1ed5n \u0111\u1ecbnh. Khi s\u1ed1 \u0111\u1ecdc tr\u00ean m\u00e1y \u0111o pH \u0111\u00e3 \u1ed5n \u0111\u1ecbnh, h\u00e3y \u0111i\u1ec1u ch\u1ec9nh n\u00fam hi\u1ec7u ch\u1ec9nh tr\u00ean m\u00e1y \u0111o cho \u0111\u1ebfn khi m\u00e0n h\u00ecnh hi\u1ec3n th\u1ecb gi\u00e1 tr\u1ecb pH ch\u00ednh x\u00e1c l\u00e0 7,00. \u0110i\u1ec1u quan tr\u1ecdng l\u00e0 ph\u1ea3i \u0111\u1ee3i s\u1ed1 \u0111\u1ecdc \u1ed5n \u0111\u1ecbnh tr\u01b0\u1edbc khi th\u1ef1c hi\u1ec7n b\u1ea5t k\u1ef3 \u0111i\u1ec1u ch\u1ec9nh n\u00e0o \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 ch\u00ednh x\u00e1c.<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/chimaytech.net\/wp-content\/uploads\/2024\/08\/MFC-8800-IOT-Meter-Multi-channel-Controller-1.png\" alt=\"alt-367\" class=\"wp-image-367\" id=\"i367\" \/><\/p>\n<p>\nSau khi hi\u1ec7u ch\u1ec9nh m\u00e1y \u0111o pH b\u1eb1ng dung d\u1ecbch \u0111\u1ec7m pH 7,00, r\u1eeda s\u1ea1ch \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 \u0111\u1ec7m pH 4,01. Nh\u00fang \u0111i\u1ec7n c\u1ef1c v\u00e0o dung d\u1ecbch \u0111\u1ec7m pH 4,01 v\u00e0 \u0111\u1ec3 \u1ed5n \u0111\u1ecbnh. Sau khi ch\u1ec9 s\u1ed1 tr\u00ean m\u00e1y \u0111o pH \u0111\u00e3 \u1ed5n \u0111\u1ecbnh, h\u00e3y \u0111i\u1ec1u ch\u1ec9nh n\u00fam hi\u1ec7u ch\u1ec9nh cho \u0111\u1ebfn khi m\u00e0n h\u00ecnh hi\u1ec3n th\u1ecb gi\u00e1 tr\u1ecb pH ch\u00ednh x\u00e1c l\u00e0 4,01.<\/p>\n<p>[nh\u00fang]http:\/\/shchimay.com\/wp-content\/uploads\/2023\/11\/DO-Meter.mp4[\/embed]Khi b\u1ea1n \u0111\u00e3 hi\u1ec7u ch\u1ec9nh m\u00e1y \u0111o pH cho c\u1ea3 dung d\u1ecbch \u0111\u1ec7m pH 7,00 v\u00e0 pH 4,01, h\u00e3y r\u1eeda s\u1ea1ch \u0111i\u1ec7n c\u1ef1c b\u1eb1ng n\u01b0\u1edbc c\u1ea5t \u0111\u1ec3 lo\u1ea1i b\u1ecf c\u1eb7n v\u00e0 \u0111\u1ea3m b\u1ea3o k\u1ebft qu\u1ea3 \u0111\u1ecdc ch\u00ednh x\u00e1c. M\u00e1y \u0111o pH Hach HQ11D c\u1ee7a b\u1ea1n hi\u1ec7n \u0111\u00e3 \u0111\u01b0\u1ee3c hi\u1ec7u chu\u1ea9n v\u00e0 s\u1eb5n s\u00e0ng \u0111\u1ec3 s\u1eed d\u1ee5ng.<\/p>\n<figure class=\"wp-block-table\">\n<table>\n<tbody>\n<tr>\n<td>M\u00f4 h\u00ecnh<\/td>\n<td>B\u1ed9 \u0111i\u1ec1u khi\u1ec3n \u0111\u1ed9 d\u1eabn\/\u0111i\u1ec7n tr\u1edf su\u1ea5t ch\u00ednh x\u00e1c cao EC-8851\/EC-9900<\/td>\n<\/tr>\n<tr>\n<td rowspan=\"2\">Ph\u1ea1m vi<\/td>\n<td>0-200\/2000\/4000\/10000uS\/cm<\/td>\n<\/tr>\n<tr>\n<td>0-20\/200mS\/cm 0-18,25M\\\u03a9<\/td>\n<\/tr>\n<tr>\n<td>\u0110\u1ed9 ch\u00ednh x\u00e1c<\/td>\n<td>\u0110\u1ed9 d\u1eabn \u0111i\u1ec7n:1,5 \u0103m ;\\\u00a0 \u0110i\u1ec7n tr\u1edf su\u1ea5t:2,0 ph\u1ea7n tr\u0103m (FS)<\/td>\n<\/tr>\n<tr>\n<td>Nhi\u1ec7t \u0111\u1ed9. Comp.<\/td>\n<td>B\u00f9 nhi\u1ec7t \u0111\u1ed9 t\u1ef1 \u0111\u1ed9ng d\u1ef1a tr\u00ean 25\\\u2103<\/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\\\uff5e120\\\u2103<\/td>\n<\/tr>\n<tr>\n<td>C\u1ea3m bi\u1ebfn<\/td>\n<td>0,01\/0,02\/0,1\/1,0\/10,0cm<sup>-1<\/sup><\/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>\u0110\u1ea7u Ra Hi\u1ec7n T\u1ea1i<\/td>\n<td>\u0110\u1ea7u ra 4-20mA\/2-10V\/1-5V<\/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 rowspan=\"2\">S\u1ee9c m\u1ea1nh<\/td>\n<td>DC24V\/0.5A ho\u1eb7c<\/td>\n<\/tr>\n<tr>\n<td>AC85-265V\\\u00b110 ph\u1ea7n tr\u0103m 50\/60Hz<\/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\\\u00d772mm(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\u0110i\u1ec1u quan tr\u1ecdng c\u1ea7n l\u01b0u \u00fd l\u00e0 vi\u1ec7c hi\u1ec7u chu\u1ea9n ph\u1ea3i \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n th\u01b0\u1eddng xuy\u00ean \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o k\u1ebft qu\u1ea3 ch\u00ednh x\u00e1c v\u00e0 \u0111\u00e1ng tin c\u1eady. C\u00e1c y\u1ebfu t\u1ed1 nh\u01b0 nhi\u1ec7t \u0111\u1ed9, tu\u1ed5i \u0111i\u1ec7n c\u1ef1c v\u00e0 nhi\u1ec5m b\u1ea9n m\u1eabu c\u00f3 th\u1ec3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn \u0111\u1ed9 ch\u00ednh x\u00e1c c\u1ee7a ph\u00e9p \u0111o pH, v\u00ec v\u1eady \u0111i\u1ec1u quan tr\u1ecdng l\u00e0 ph\u1ea3i hi\u1ec7u chu\u1ea9n m\u00e1y \u0111o pH th\u01b0\u1eddng xuy\u00ean \u0111\u1ec3 duy tr\u00ec \u0111\u1ed9 ch\u00ednh x\u00e1c.<\/p>\n<p>T\u00f3m l\u1ea1i, hi\u1ec7u chu\u1ea9n m\u00e1y \u0111o pH Hach HQ11D l\u00e0 m\u1ed9t qu\u00e1 tr\u00ecnh \u0111\u01a1n gi\u1ea3n c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n nhanh ch\u00f3ng v\u00e0 d\u1ec5 d\u00e0ng v\u1edbi c\u00e1c v\u1eadt li\u1ec7u v\u00e0 k\u1ef9 thu\u1eadt ph\u00f9 h\u1ee3p. 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 \u0111\u1ea3m b\u1ea3o r\u1eb1ng m\u00e1y \u0111o pH \u0111ang cung c\u1ea5p c\u00e1c ph\u00e9p \u0111o ch\u00ednh x\u00e1c v\u00e0 \u0111\u00e1ng tin c\u1eady cho c\u00e1c th\u00ed nghi\u1ec7m ho\u1eb7c \u1ee9ng d\u1ee5ng c\u1ee7a b\u1ea1n. Hi\u1ec7u chu\u1ea9n th\u01b0\u1eddng xuy\u00ean l\u00e0 ch\u00eca kh\u00f3a \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 b\u1ea1n nh\u1eadn \u0111\u01b0\u1ee3c k\u1ebft qu\u1ea3 \u0111\u00e1ng tin c\u1eady nh\u1ea5t c\u00f3 th\u1ec3.<\/p>\n<h1 id=\"troubleshooting-common-issues-with-the-hach-hq11d-ph-meter-wpaicgheading\"><span class=\"ez-toc-section\" id=\"Khac_phuc_cac_su_co_thuong_gap_voi_may_do_pH_Hach_HQ11D\"><\/span>Kh\u1eafc ph\u1ee5c c\u00e1c s\u1ef1 c\u1ed1 th\u01b0\u1eddng g\u1eb7p v\u1edbi m\u00e1y \u0111o pH Hach HQ11D<span class=\"ez-toc-section-end\"><\/span><\/h1>\n<p>\nM\u00e1y \u0111o pH Hach HQ11D l\u00e0 m\u1ed9t c\u00f4ng c\u1ee5 h\u1eefu \u00edch \u0111\u1ec3 \u0111o \u0111\u1ed9 axit ho\u1eb7c \u0111\u1ed9 ki\u1ec1m c\u1ee7a dung d\u1ecbch. Tuy nhi\u00ean, gi\u1ed1ng nh\u01b0 b\u1ea5t k\u1ef3 thi\u1ebft b\u1ecb n\u00e0o, n\u00f3 c\u00f3 th\u1ec3 g\u1eb7p ph\u1ea3i c\u00e1c v\u1ea5n \u0111\u1ec1 c\u00f3 th\u1ec3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn hi\u1ec7u su\u1ea5t c\u1ee7a n\u00f3. 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 m\u00e1y \u0111o pH Hach HQ11D 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 ch\u00fang.<\/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 m\u00e1y \u0111o pH Hach HQ11D l\u00e0 k\u1ebft qu\u1ea3 \u0111\u1ecdc kh\u00f4ng ch\u00ednh x\u00e1c. \u0110i\u1ec1u n\u00e0y c\u00f3 th\u1ec3 do nhi\u1ec1u y\u1ebfu t\u1ed1 g\u00e2y ra, ch\u1eb3ng h\u1ea1n nh\u01b0 \u0111i\u1ec7n c\u1ef1c b\u1ea9n ho\u1eb7c h\u01b0 h\u1ecfng, hi\u1ec7u chu\u1ea9n kh\u00f4ng \u0111\u00fang ho\u1eb7c nhi\u1ec5u t\u1eeb c\u00e1c ch\u1ea5t kh\u00e1c trong dung d\u1ecbch \u0111\u01b0\u1ee3c \u0111o. \u0110\u1ec3 kh\u1eafc ph\u1ee5c s\u1ef1 c\u1ed1 n\u00e0y, h\u00e3y b\u1eaft \u0111\u1ea7u b\u1eb1ng c\u00e1ch ki\u1ec3m tra t\u00ecnh tr\u1ea1ng c\u1ee7a \u0111i\u1ec7n c\u1ef1c. H\u00e3y ch\u1eafc ch\u1eafn r\u1eb1ng n\u00f3 s\u1ea1ch s\u1ebd v\u00e0 kh\u00f4ng c\u00f3 b\u1ea5t k\u1ef3 m\u1ea3nh v\u1ee5n ho\u1eb7c ch\u1ea5t t\u00edch t\u1ee5 n\u00e0o c\u00f3 th\u1ec3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn \u0111\u1ed9 ch\u00ednh x\u00e1c c\u1ee7a n\u00f3. N\u1ebfu \u0111i\u1ec7n c\u1ef1c b\u1ecb h\u1ecfng, c\u00f3 th\u1ec3 c\u1ea7n ph\u1ea3i thay th\u1ebf.<\/p>\n<p>Ti\u1ebfp theo, \u0111\u1ea3m b\u1ea3o r\u1eb1ng m\u00e1y \u0111o pH \u0111\u00e3 \u0111\u01b0\u1ee3c hi\u1ec7u chu\u1ea9n \u0111\u00fang c\u00e1ch. Hi\u1ec7u chu\u1ea9n l\u00e0 \u0111i\u1ec1u c\u1ea7n thi\u1ebft \u0111\u1ec3 \u0111\u1ecdc ch\u00ednh x\u00e1c, v\u00ec v\u1eady h\u00e3y nh\u1edb l\u00e0m theo h\u01b0\u1edbng d\u1eabn c\u1ee7a nh\u00e0 s\u1ea3n xu\u1ea5t m\u1ed9t c\u00e1ch c\u1ea9n th\u1eadn. N\u1ebfu m\u00e1y \u0111o pH v\u1eabn cho k\u1ebft qu\u1ea3 kh\u00f4ng ch\u00ednh x\u00e1c sau khi l\u00e0m s\u1ea1ch \u0111i\u1ec7n c\u1ef1c v\u00e0 hi\u1ec7u chu\u1ea9n, h\u00e3y xem x\u00e9t li\u1ec7u c\u00f3 b\u1ea5t k\u1ef3 ch\u1ea5t n\u00e0o trong dung d\u1ecbch c\u00f3 th\u1ec3 c\u1ea3n tr\u1edf ph\u00e9p \u0111o hay kh\u00f4ng. Trong m\u1ed9t s\u1ed1 tr\u01b0\u1eddng h\u1ee3p, c\u00f3 th\u1ec3 c\u1ea7n ph\u1ea3i l\u1ecdc ho\u1eb7c pha lo\u00e3ng dung d\u1ecbch \u0111\u1ec3 thu \u0111\u01b0\u1ee3c k\u1ebft qu\u1ea3 ch\u00ednh x\u00e1c.<\/p>\n<p>M\u1ed9t v\u1ea5n \u0111\u1ec1 th\u01b0\u1eddng g\u1eb7p kh\u00e1c v\u1edbi m\u00e1y \u0111o pH Hach HQ11D l\u00e0 kh\u00f3 b\u1eadt ho\u1eb7c t\u1eaft. \u0110i\u1ec1u n\u00e0y c\u00f3 th\u1ec3 g\u00e2y kh\u00f3 ch\u1ecbu, \u0111\u1eb7c bi\u1ec7t khi c\u1ed1 g\u1eafng s\u1eed d\u1ee5ng \u0111\u1ed3ng h\u1ed3 \u0111o trong t\u00ecnh hu\u1ed1ng nh\u1ea1y c\u1ea3m v\u1ec1 th\u1eddi gian. N\u1ebfu b\u1ea1n g\u1eb7p s\u1ef1 c\u1ed1 khi b\u1eadt ho\u1eb7c t\u1eaft m\u00e1y \u0111o pH, tr\u01b0\u1edbc ti\u00ean h\u00e3y ki\u1ec3m tra pin. Pin y\u1ebfu c\u00f3 th\u1ec3 g\u00e2y ra s\u1ef1 c\u1ed1 v\u1edbi n\u00fat ngu\u1ed3n. N\u1ebfu pin \u0111\u00e3 \u0111\u01b0\u1ee3c s\u1ea1c \u0111\u1ea7y v\u00e0 s\u1ef1 c\u1ed1 v\u1eabn ti\u1ebfp di\u1ec5n th\u00ec c\u00f3 th\u1ec3 c\u00f3 v\u1ea5n \u0111\u1ec1 v\u1edbi ch\u00ednh n\u00fat ngu\u1ed3n. Trong tr\u01b0\u1eddng h\u1ee3p n\u00e0y, h\u00e3y li\u00ean h\u1ec7 v\u1edbi nh\u00e0 s\u1ea3n xu\u1ea5t \u0111\u1ec3 \u0111\u01b0\u1ee3c h\u1ed7 tr\u1ee3.<\/p>\n<p>Ng\u01b0\u1eddi d\u00f9ng c\u0169ng c\u00f3 th\u1ec3 g\u1eb7p ph\u1ea3i s\u1ef1 c\u1ed1 v\u1edbi m\u00e0n h\u00ecnh tr\u00ean m\u00e1y \u0111o pH Hach HQ11D. \u0110i\u1ec1u n\u00e0y c\u00f3 th\u1ec3 bi\u1ec3u hi\u1ec7n d\u01b0\u1edbi d\u1ea1ng m\u00e0n h\u00ecnh tr\u1ed1ng, m\u00e0n h\u00ecnh nh\u1ea5p nh\u00e1y ho\u1eb7c th\u00f4ng b\u00e1o l\u1ed7i. N\u1ebfu b\u1ea1n g\u1eb7p v\u1ea5n \u0111\u1ec1 v\u1ec1 hi\u1ec3n th\u1ecb, tr\u01b0\u1edbc ti\u00ean h\u00e3y ki\u1ec3m tra pin \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o pin \u0111\u00e3 \u0111\u01b0\u1ee3c s\u1ea1c \u0111\u1ea7y. N\u1ebfu pin kh\u00f4ng ph\u1ea3i l\u00e0 v\u1ea5n \u0111\u1ec1, h\u00e3y th\u1eed \u0111\u1eb7t l\u1ea1i m\u00e1y \u0111o pH b\u1eb1ng c\u00e1ch t\u1eaft v\u00e0 b\u1eadt l\u1ea1i. N\u1ebfu s\u1ef1 c\u1ed1 v\u1eabn ti\u1ebfp di\u1ec5n, c\u00f3 th\u1ec3 \u0111\u00e3 x\u1ea3y ra s\u1ef1 c\u1ed1 nghi\u00eam tr\u1ecdng h\u01a1n v\u1edbi m\u00e0n h\u00ecnh v\u00e0 c\u1ea7n \u0111\u01b0\u1ee3c s\u1eeda ch\u1eefa chuy\u00ean nghi\u1ec7p.<\/p>\n<p>T\u00f3m l\u1ea1i, m\u00e1y \u0111o pH Hach HQ11D l\u00e0 m\u1ed9t c\u00f4ng c\u1ee5 c\u00f3 gi\u00e1 tr\u1ecb \u0111\u1ec3 \u0111o m\u1ee9c \u0111\u1ed9 pH trong nhi\u1ec1u dung d\u1ecbch kh\u00e1c nhau. Tuy nhi\u00ean, ng\u01b0\u1eddi d\u00f9ng c\u00f3 th\u1ec3 g\u1eb7p ph\u1ea3i c\u00e1c v\u1ea5n \u0111\u1ec1 nh\u01b0 s\u1ed1 \u0111\u1ecdc kh\u00f4ng ch\u00ednh x\u00e1c, kh\u00f3 b\u1eadt ho\u1eb7c t\u1eaft \u0111\u1ed3ng h\u1ed3 ho\u1eb7c v\u1ea5n \u0111\u1ec1 hi\u1ec3n th\u1ecb. B\u1eb1ng c\u00e1ch l\u00e0m theo c\u00e1c m\u1eb9o kh\u1eafc ph\u1ee5c s\u1ef1 c\u1ed1 \u0111\u01b0\u1ee3c n\u00eau trong b\u00e0i vi\u1ebft n\u00e0y, ng\u01b0\u1eddi d\u00f9ng c\u00f3 th\u1ec3 gi\u1ea3i quy\u1ebft c\u00e1c v\u1ea5n \u0111\u1ec1 ph\u1ed5 bi\u1ebfn n\u00e0y v\u00e0 \u0111\u1ea3m b\u1ea3o r\u1eb1ng m\u00e1y \u0111o pH c\u1ee7a h\u1ecd ho\u1ea1t \u0111\u1ed9ng b\u00ecnh th\u01b0\u1eddng. N\u1ebfu v\u1ea5n \u0111\u1ec1 v\u1eabn ti\u1ebfp di\u1ec5n, h\u00e3y li\u00ean h\u1ec7 v\u1edbi nh\u00e0 s\u1ea3n xu\u1ea5t \u0111\u1ec3 \u0111\u01b0\u1ee3c h\u1ed7 tr\u1ee3 th\u00eam.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>C\u00e1ch hi\u1ec7u ch\u1ec9nh m\u00e1y \u0111o pH Hach HQ11D M\u00e1y \u0111o pH Hach HQ11D l\u00e0 m\u1ed9t c\u00f4ng c\u1ee5 h\u1eefu \u00edch \u0111\u1ec3 \u0111o \u0111\u1ed9 axit ho\u1eb7c \u0111\u1ed9 ki\u1ec1m c\u1ee7a dung d\u1ecbch. \u0110\u1ec3 \u0111\u1ea3m b\u1ea3o k\u1ebft qu\u1ea3 \u0111o ch\u00ednh x\u00e1c, \u0111i\u1ec1u quan tr\u1ecdng l\u00e0 ph\u1ea3i hi\u1ec7u ch\u1ec9nh m\u00e1y \u0111o pH th\u01b0\u1eddng xuy\u00ean. Hi\u1ec7u chu\u1ea9n l\u00e0 qu\u00e1 tr\u00ecnh \u0111i\u1ec1u&#8230;<\/p>\n","protected":false},"author":1,"featured_media":24064,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_kad_post_transparent":"default","_kad_post_title":"default","_kad_post_layout":"default","_kad_post_sidebar_id":"","_kad_post_content_style":"default","_kad_post_vertical_padding":"default","_kad_post_feature":"","_kad_post_feature_position":"","_kad_post_header":false,"_kad_post_footer":false},"categories":[202],"tags":[203228,87669,87125],"translation":{"provider":"WPGlobus","version":"2.12.0","language":"vi","enabled_languages":["en","es","de","fr","ru","pt","ar","ja","ko","it","id","hi","th","vi","tr"],"languages":{"en":{"title":true,"content":true,"excerpt":false},"es":{"title":true,"content":true,"excerpt":false},"de":{"title":true,"content":true,"excerpt":false},"fr":{"title":true,"content":true,"excerpt":false},"ru":{"title":true,"content":true,"excerpt":false},"pt":{"title":true,"content":true,"excerpt":false},"ar":{"title":true,"content":true,"excerpt":false},"ja":{"title":true,"content":true,"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":true,"content":true,"excerpt":false},"th":{"title":true,"content":true,"excerpt":false},"vi":{"title":true,"content":true,"excerpt":false},"tr":{"title":true,"content":true,"excerpt":false}}},"_links":{"self":[{"href":"https:\/\/chimaytech.net\/vi\/wp-json\/wp\/v2\/posts\/24061"}],"collection":[{"href":"https:\/\/chimaytech.net\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/chimaytech.net\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/chimaytech.net\/vi\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/chimaytech.net\/vi\/wp-json\/wp\/v2\/comments?post=24061"}],"version-history":[{"count":16,"href":"https:\/\/chimaytech.net\/vi\/wp-json\/wp\/v2\/posts\/24061\/revisions"}],"predecessor-version":[{"id":24346,"href":"https:\/\/chimaytech.net\/vi\/wp-json\/wp\/v2\/posts\/24061\/revisions\/24346"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/chimaytech.net\/vi\/wp-json\/wp\/v2\/media\/24064"}],"wp:attachment":[{"href":"https:\/\/chimaytech.net\/vi\/wp-json\/wp\/v2\/media?parent=24061"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/chimaytech.net\/vi\/wp-json\/wp\/v2\/categories?post=24061"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/chimaytech.net\/vi\/wp-json\/wp\/v2\/tags?post=24061"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}