{"id":19536,"date":"2024-08-04T10:55:45","date_gmt":"2024-08-04T02:55:45","guid":{"rendered":"https:\/\/shchimay.com\/?p=19536"},"modified":"2024-08-04T13:37:03","modified_gmt":"2024-08-04T05:37:03","slug":"how-does-a-ph-meter-work","status":"publish","type":"post","link":"https:\/\/shchimay.com\/vi\/how-does-a-ph-meter-work\/","title":{"rendered":"m\u00e1y \u0111o ph ho\u1ea1t \u0111\u1ed9ng nh\u01b0 th\u1ebf n\u00e0o"},"content":{"rendered":"<h1 id=\"understanding-the-basics-of-ph-and-ph-meters-wpaicgheading\">T\u00ecm hi\u1ec3u ki\u1ebfn \u200b\u200bth\u1ee9c c\u01a1 b\u1ea3n v\u1ec1 pH v\u00e0 m\u00e1y \u0111o pH<\/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 c\u0169ng nh\u01b0 gi\u00e1m s\u00e1t m\u00f4i tr\u01b0\u1eddng. 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 x\u00e1c \u0111\u1ecbnh n\u1ed3ng \u0111\u1ed9 ion hydro c\u00f3 trong dung d\u1ecbch. Hi\u1ec3u c\u00e1ch th\u1ee9c ho\u1ea1t \u0111\u1ed9ng c\u1ee7a m\u00e1y \u0111o pH l\u00e0 r\u1ea5t quan tr\u1ecdng \u0111\u1ec3 c\u00f3 \u0111\u01b0\u1ee3c s\u1ed1 \u0111o ch\u00ednh x\u00e1c v\u00e0 \u0111\u00e1ng tin c\u1eady.<\/p>\n<p> C\u1ed1t l\u00f5i c\u1ee7a m\u00e1y \u0111o pH l\u00e0 m\u1ed9t \u0111i\u1ec7n c\u1ef1c th\u1ee7y tinh nh\u1ea1y c\u1ea3m v\u1edbi c\u00e1c ion hydro. Khi nh\u00fang v\u00e0o dung d\u1ecbch, \u0111i\u1ec7n c\u1ef1c th\u1ee7y tinh t\u1ea1o ra \u0111i\u1ec7n \u00e1p t\u1ef7 l\u1ec7 thu\u1eadn v\u1edbi \u0111\u1ed9 pH c\u1ee7a dung d\u1ecbch. \u0110i\u1ec7n \u00e1p n\u00e0y sau \u0111\u00f3 \u0111\u01b0\u1ee3c chuy\u1ec3n \u0111\u1ed5i th\u00e0nh gi\u00e1 tr\u1ecb pH nh\u1edd m\u1ea1ch \u0111i\u1ec7n b\u00ean trong m\u00e1y \u0111o.<\/p>\n<p><img decoding=\"async\" src=\"http:\/\/shchimay.com\/wp-content\/uploads\/2023\/11\/RO-Controller-ROS-2210.png\" alt=\"alt-682\" class=\"wp-image-682\" id=\"i682\" \/><\/p>\n<p>\u0110\u1ec3 \u0111\u1ea3m b\u1ea3o ph\u00e9p \u0111o ch\u00ednh x\u00e1c, m\u00e1y \u0111o pH ph\u1ea3i \u0111\u01b0\u1ee3c hi\u1ec7u chu\u1ea9n th\u01b0\u1eddng xuy\u00ean b\u1eb1ng dung d\u1ecbch \u0111\u1ec7m c\u00f3 gi\u00e1 tr\u1ecb pH \u0111\u00e3 bi\u1ebft. Hi\u1ec7u chu\u1ea9n \u0111i\u1ec1u ch\u1ec9nh c\u00e1c c\u00e0i \u0111\u1eb7t b\u00ean trong c\u1ee7a m\u00e1y \u0111o \u0111\u1ec3 t\u00ednh \u0111\u1ebfn b\u1ea5t k\u1ef3 s\u1ef1 l\u1ec7ch ho\u1eb7c thay \u0111\u1ed5i n\u00e0o v\u1ec1 \u0111\u1ed9 nh\u1ea1y c\u1ee7a \u0111i\u1ec7n c\u1ef1c theo th\u1eddi gian. H\u1ea7u h\u1ebft c\u00e1c m\u00e1y \u0111o pH \u0111\u1ec1u cho ph\u00e9p hi\u1ec7u chu\u1ea9n t\u1ea1i nhi\u1ec1u \u0111i\u1ec3m \u0111\u1ec3 c\u1ea3i thi\u1ec7n \u0111\u1ed9 ch\u00ednh x\u00e1c tr\u00ean ph\u1ea1m vi pH r\u1ed9ng h\u01a1n.<\/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>\nNgo\u00e0i \u0111i\u1ec7n c\u1ef1c th\u1ee7y tinh, m\u00e1y \u0111o pH c\u00f2n c\u00f3 \u0111i\u1ec7n c\u1ef1c tham chi\u1ebfu cung c\u1ea5p \u0111i\u1ec3m tham chi\u1ebfu \u1ed5n \u0111\u1ecbnh cho ph\u00e9p \u0111o. \u0110i\u1ec7n c\u1ef1c tham chi\u1ebfu th\u01b0\u1eddng ch\u1ee9a \u0111\u1ea7y dung d\u1ecbch c\u00f3 \u0111\u1ed9 pH \u0111\u00e3 bi\u1ebft, ch\u1eb3ng h\u1ea1n nh\u01b0 kali clorua. B\u1eb1ng c\u00e1ch so s\u00e1nh \u0111i\u1ec7n \u00e1p do \u0111i\u1ec7n c\u1ef1c th\u1ee7y tinh t\u1ea1o ra v\u1edbi \u0111i\u1ec7n c\u1ef1c tham chi\u1ebfu, m\u00e1y \u0111o pH c\u00f3 th\u1ec3 x\u00e1c \u0111\u1ecbnh ch\u00ednh x\u00e1c \u0111\u1ed9 pH c\u1ee7a dung d\u1ecbch \u0111ang \u0111\u01b0\u1ee3c ki\u1ec3m tra.<\/p>\n<p>M\u1ed9t trong nh\u1eefng y\u1ebfu t\u1ed1 ch\u00ednh c\u00f3 th\u1ec3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn \u0111\u1ed9 ch\u00ednh x\u00e1c c\u1ee7a ph\u00e9p \u0111o pH l\u00e0 nhi\u1ec7t \u0111\u1ed9. M\u00e1y \u0111o pH th\u01b0\u1eddng \u0111\u01b0\u1ee3c trang b\u1ecb t\u00ednh n\u0103ng b\u00f9 nhi\u1ec7t \u0111\u1ed9 \u0111\u1ec3 t\u00ednh \u0111\u1ebfn nh\u1eefng thay \u0111\u1ed5i v\u1ec1 nhi\u1ec7t \u0111\u1ed9 c\u00f3 th\u1ec3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn \u0111\u1ed9 nh\u1ea1y c\u1ee7a \u0111i\u1ec7n c\u1ef1c. M\u1ed9t s\u1ed1 m\u00e1y \u0111o pH c\u0169ng cho ph\u00e9p \u0111i\u1ec1u ch\u1ec9nh nhi\u1ec7t \u0111\u1ed9 th\u1ee7 c\u00f4ng \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o s\u1ed1 \u0111\u1ecdc ch\u00ednh x\u00e1c trong c\u00e1c m\u00f4i tr\u01b0\u1eddng kh\u00e1c nhau.<\/p>\n<p>Khi s\u1eed d\u1ee5ng m\u00e1y \u0111o pH, \u0111i\u1ec1u quan tr\u1ecdng l\u00e0 ph\u1ea3i chu\u1ea9n b\u1ecb \u0111i\u1ec7n c\u1ef1c \u0111\u00fang c\u00e1ch b\u1eb1ng c\u00e1ch r\u1eeda s\u1ea1ch b\u1eb1ng n\u01b0\u1edbc c\u1ea5t v\u00e0 b\u1ea3o qu\u1ea3n trong dung d\u1ecbch b\u1ea3o qu\u1ea3n khi kh\u00f4ng s\u1eed d\u1ee5ng . \u0110i\u1ec1u n\u00e0y gi\u00fap duy tr\u00ec \u0111\u1ed9 nh\u1ea1y c\u1ee7a \u0111i\u1ec7n c\u1ef1c v\u00e0 k\u00e9o d\u00e0i tu\u1ed5i th\u1ecd c\u1ee7a n\u00f3. \u0110i\u1ec1u quan tr\u1ecdng n\u1eefa l\u00e0 ph\u1ea3i x\u1eed l\u00fd \u0111i\u1ec7n c\u1ef1c c\u1ea9n th\u1eadn \u0111\u1ec3 tr\u00e1nh h\u01b0 h\u1ecfng c\u00f3 th\u1ec3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn hi\u1ec7u su\u1ea5t c\u1ee7a \u0111i\u1ec7n c\u1ef1c.<\/p>\n<p><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-19536-1\" width=\"640\" height=\"360\" preload=\"metadata\" controls=\"controls\"><source type=\"video\/mp4\" src=\"http:\/\/shchimay.com\/wp-content\/uploads\/2023\/11\/EC-8851-\u9ad8\u7cbe\u5ea6\u7535\u5bfc\u7387\u4eea.mp4?_=1\" \/><a href=\"http:\/\/shchimay.com\/wp-content\/uploads\/2023\/11\/EC-8851-\u9ad8\u7cbe\u5ea6\u7535\u5bfc\u7387\u4eea.mp4\">http:\/\/shchimay.com\/wp-content\/uploads\/2023\/11\/EC-8851-\u9ad8\u7cbe\u5ea6\u7535\u5bfc\u7387\u4eea.mp4<\/a><\/video><\/div>Ngo\u00e0i vi\u1ec7c \u0111o \u0111\u1ed9 pH, m\u1ed9t s\u1ed1 m\u00e1y \u0111o pH c\u00f2n cung c\u1ea5p c\u00e1c t\u00ednh n\u0103ng b\u1ed5 sung nh\u01b0 hi\u1ec7u chu\u1ea9n t\u1ef1 \u0111\u1ed9ng, ghi d\u1eef li\u1ec7u v\u00e0 c\u00e1c t\u00f9y ch\u1ecdn k\u1ebft n\u1ed1i \u0111\u1ec3 truy\u1ec1n d\u1eef li\u1ec7u sang m\u00e1y t\u00ednh ho\u1eb7c thi\u1ebft b\u1ecb di \u0111\u1ed9ng. Nh\u1eefng t\u00ednh n\u0103ng n\u00e2ng cao n\u00e0y c\u00f3 th\u1ec3 h\u1ee3p l\u00fd h\u00f3a quy tr\u00ecnh \u0111o v\u00e0 n\u00e2ng cao hi\u1ec7u qu\u1ea3 trong nhi\u1ec1u \u1ee9ng d\u1ee5ng kh\u00e1c nhau.<\/p>\n<p>Nh\u00ecn chung, hi\u1ec3u c\u00e1ch ho\u1ea1t \u0111\u1ed9ng c\u1ee7a m\u00e1y \u0111o pH l\u00e0 \u0111i\u1ec1u c\u1ea7n thi\u1ebft \u0111\u1ec3 c\u00f3 \u0111\u01b0\u1ee3c s\u1ed1 \u0111o pH ch\u00ednh x\u00e1c v\u00e0 \u0111\u00e1ng tin c\u1eady. B\u1eb1ng c\u00e1ch bi\u1ebft c\u00e1c nguy\u00ean t\u1eafc c\u01a1 b\u1ea3n c\u1ee7a m\u00e1y \u0111o pH c\u0169ng nh\u01b0 c\u00e1ch s\u1eed d\u1ee5ng v\u00e0 b\u1ea3o tr\u00ec ch\u00fang \u0111\u00fang c\u00e1ch, ng\u01b0\u1eddi d\u00f9ng c\u00f3 th\u1ec3 \u0111\u1ea3m b\u1ea3o r\u1eb1ng c\u00e1c ph\u00e9p \u0111o c\u1ee7a m\u00ecnh l\u00e0 ch\u00ednh x\u00e1c v\u00e0 nh\u1ea5t qu\u00e1n. D\u00f9 \u1edf trong ph\u00f2ng th\u00ed nghi\u1ec7m hay ngo\u00e0i hi\u1ec7n tr\u01b0\u1eddng, m\u00e1y \u0111o pH \u0111\u1ec1u \u0111\u00f3ng m\u1ed9t vai tr\u00f2 quan tr\u1ecdng trong vi\u1ec7c theo d\u00f5i v\u00e0 ki\u1ec3m so\u00e1t m\u1ee9c \u0111\u1ed9 pH trong nhi\u1ec1u ng\u00e0nh c\u00f4ng nghi\u1ec7p.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>T\u00ecm hi\u1ec3u ki\u1ebfn \u200b\u200bth\u1ee9c c\u01a1 b\u1ea3n v\u1ec1 pH v\u00e0 m\u00e1y \u0111o pH 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 c\u0169ng nh\u01b0 gi\u00e1m s\u00e1t m\u00f4i tr\u01b0\u1eddng. C\u00e1c thi\u1ebft b\u1ecb n\u00e0y \u0111o \u0111\u1ed9 axit ho\u1eb7c \u0111\u1ed9 ki\u1ec1m c\u1ee7a&#8230;<\/p>\n","protected":false},"author":1,"featured_media":1251,"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":[200],"tags":[187,11579],"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":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:\/\/shchimay.com\/vi\/wp-json\/wp\/v2\/posts\/19536"}],"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=19536"}],"version-history":[{"count":17,"href":"https:\/\/shchimay.com\/vi\/wp-json\/wp\/v2\/posts\/19536\/revisions"}],"predecessor-version":[{"id":19573,"href":"https:\/\/shchimay.com\/vi\/wp-json\/wp\/v2\/posts\/19536\/revisions\/19573"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/shchimay.com\/vi\/wp-json\/wp\/v2\/media\/1251"}],"wp:attachment":[{"href":"https:\/\/shchimay.com\/vi\/wp-json\/wp\/v2\/media?parent=19536"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/shchimay.com\/vi\/wp-json\/wp\/v2\/categories?post=19536"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/shchimay.com\/vi\/wp-json\/wp\/v2\/tags?post=19536"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}