{"id":24050,"date":"2024-08-30T05:36:05","date_gmt":"2024-08-29T21:36:05","guid":{"rendered":"https:\/\/chimaytech.net\/?p=24050"},"modified":"2024-08-31T14:07:08","modified_gmt":"2024-08-31T06:07:08","slug":"what-do-ph-meters-measure","status":"publish","type":"post","link":"https:\/\/chimaytech.net\/vi\/what-do-ph-meters-measure\/","title":{"rendered":"m\u00e1y \u0111o ph \u0111o \u0111\u01b0\u1ee3c g\u00ec"},"content":{"rendered":"<h1 id=\"understanding-ph-meters-what-do-they-measure-wpaicgheading\">T\u00ecm hi\u1ec3u v\u1ec1 m\u00e1y \u0111o pH: Ch\u00fang \u0111o l\u01b0\u1eddng c\u00e1i g\u00ec?<\/h1>\n<p>\nM\u00e1y \u0111o pH l\u00e0 c\u00f4ng c\u1ee5 thi\u1ebft y\u1ebfu \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong nhi\u1ec1u ng\u00e0nh c\u00f4ng nghi\u1ec7p, ph\u00f2ng th\u00ed nghi\u1ec7m v\u00e0 th\u1eadm ch\u00ed trong cu\u1ed9c s\u1ed1ng h\u00e0ng ng\u00e0y \u0111\u1ec3 \u0111o \u0111\u1ed9 axit ho\u1eb7c \u0111\u1ed9 ki\u1ec1m c\u1ee7a dung d\u1ecbch. Nh\u01b0ng ch\u00ednh x\u00e1c th\u00ec m\u00e1y \u0111o pH \u0111o \u0111\u01b0\u1ee3c nh\u1eefng g\u00ec v\u00e0 ch\u00fang ho\u1ea1t \u0111\u1ed9ng nh\u01b0 th\u1ebf n\u00e0o? Trong b\u00e0i vi\u1ebft n\u00e0y, ch\u00fang ta s\u1ebd \u0111i s\u00e2u v\u00e0o th\u1ebf gi\u1edbi m\u00e1y \u0111o pH \u0111\u1ec3 hi\u1ec3u m\u1ee5c \u0111\u00edch v\u00e0 ch\u1ee9c n\u0103ng 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 \u0111\u1ed9 d\u1eabn \u0111i\u1ec7n th\u00f4ng minh EC-510<\/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>0-18,25M\\\u03a9<\/td>\n<\/tr>\n<tr>\n<td>\u0110\u1ed9 ch\u00ednh x\u00e1c<\/td>\n<td>1,5 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<\/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>C=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>Giao ti\u1ebfp<\/td>\n<td>\u0110\u1ea7u ra 4-20mA\/2-10V\/1-5V\/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>\npH, vi\u1ebft t\u1eaft c\u1ee7a &#8220;th\u1ebf n\u0103ng c\u1ee7a hydro&#8221;, l\u00e0 th\u01b0\u1edbc \u0111o n\u1ed3ng \u0111\u1ed9 c\u1ee7a c\u00e1c ion hydro trong dung d\u1ecbch. Thang \u0111o pH dao \u0111\u1ed9ng t\u1eeb 0 \u0111\u1ebfn 14, trong \u0111\u00f3 0 l\u00e0 c\u00f3 t\u00ednh axit cao, 7 l\u00e0 trung t\u00ednh v\u00e0 14 l\u00e0 c\u00f3 t\u00ednh ki\u1ec1m cao. M\u00e1y \u0111o pH \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 \u0111o \u0111\u1ed9 pH c\u1ee7a dung d\u1ecbch m\u1ed9t c\u00e1ch ch\u00ednh x\u00e1c v\u00e0 nhanh ch\u00f3ng.<\/p>\n<p>Nguy\u00ean t\u1eafc c\u01a1 b\u1ea3n c\u1ee7a m\u00e1y \u0111o pH l\u00e0 \u0111o s\u1ef1 ch\u00eanh l\u1ec7ch \u0111i\u1ec7n th\u1ebf gi\u1eefa \u0111i\u1ec7n c\u1ef1c tham chi\u1ebfu v\u00e0 \u0111i\u1ec7n c\u1ef1c th\u1ee7y tinh ng\u00e2m trong dung d\u1ecbch. \u0110i\u1ec7n c\u1ef1c th\u1ee7y tinh ch\u1ee9a m\u1ed9t m\u00e0ng \u0111\u1eb7c bi\u1ec7t nh\u1ea1y c\u1ea3m v\u1edbi c\u00e1c ion hydro. Khi \u0111i\u1ec7n c\u1ef1c th\u1ee7y tinh ti\u1ebfp x\u00fac v\u1edbi dung d\u1ecbch, hi\u1ec7u \u0111i\u1ec7n th\u1ebf s\u1ebd \u0111\u01b0\u1ee3c t\u1ea1o ra d\u1ef1a tr\u00ean n\u1ed3ng \u0111\u1ed9 ion hydro trong dung d\u1ecbch.<\/p>\n<div class=\"entry-content-asset videofit\"><iframe loading=\"lazy\" title=\"industrial ro controller introduction\" width=\"720\" height=\"405\" src=\"https:\/\/www.youtube.com\/embed\/pVT8_X616O0?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>\u0110\u1ec3 hi\u1ec7u ch\u1ec9nh m\u00e1y \u0111o pH, dung d\u1ecbch \u0111\u1ec7m ti\u00eau chu\u1ea9n c\u00f3 gi\u00e1 tr\u1ecb pH \u0111\u00e3 bi\u1ebft \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 \u0111\u1eb7t m\u00e1y \u0111o v\u1ec1 gi\u00e1 tr\u1ecb ch\u00ednh x\u00e1c. Sau khi \u0111\u01b0\u1ee3c hi\u1ec7u chu\u1ea9n, m\u00e1y \u0111o pH c\u00f3 th\u1ec3 \u0111o ch\u00ednh x\u00e1c \u0111\u1ed9 pH c\u1ee7a c\u00e1c dung d\u1ecbch ch\u01b0a bi\u1ebft b\u1eb1ng c\u00e1ch so s\u00e1nh ch\u00eanh l\u1ec7ch \u0111i\u1ec7n th\u1ebf gi\u1eefa \u0111i\u1ec7n c\u1ef1c tham chi\u1ebfu v\u00e0 \u0111i\u1ec7n c\u1ef1c th\u1ee7y tinh.<\/p>\n<p>M\u00e1y \u0111o pH \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong nhi\u1ec1u \u1ee9ng d\u1ee5ng, bao g\u1ed3m ki\u1ec3m tra ch\u1ea5t l\u01b0\u1ee3ng n\u01b0\u1edbc, s\u1ea3n xu\u1ea5t th\u1ef1c ph\u1ea9m v\u00e0 \u0111\u1ed3 u\u1ed1ng , d\u01b0\u1ee3c ph\u1ea9m, n\u00f4ng nghi\u1ec7p v\u00e0 gi\u00e1m s\u00e1t m\u00f4i tr\u01b0\u1eddng. Trong ki\u1ec3m tra ch\u1ea5t l\u01b0\u1ee3ng n\u01b0\u1edbc, m\u00e1y \u0111o pH \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 theo d\u00f5i \u0111\u1ed9 axit ho\u1eb7c \u0111\u1ed9 ki\u1ec1m c\u1ee7a n\u01b0\u1edbc u\u1ed1ng, n\u01b0\u1edbc th\u1ea3i v\u00e0 b\u1ec3 b\u01a1i. Trong s\u1ea3n xu\u1ea5t th\u1ef1c ph\u1ea9m v\u00e0 \u0111\u1ed3 u\u1ed1ng, m\u00e1y \u0111o pH \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o ch\u1ea5t l\u01b0\u1ee3ng v\u00e0 an to\u00e0n c\u1ee7a s\u1ea3n ph\u1ea9m b\u1eb1ng c\u00e1ch theo d\u00f5i \u0111\u1ed9 pH trong qu\u00e1 tr\u00ecnh s\u1ea3n xu\u1ea5t.<\/p>\n<p>Trong d\u01b0\u1ee3c ph\u1ea9m, m\u00e1y \u0111o pH \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 \u0111o \u0111\u1ed9 pH c\u1ee7a c\u00e1c c\u00f4ng th\u1ee9c thu\u1ed1c nh\u1eb1m \u0111\u1ea3m b\u1ea3o t\u00ednh \u1ed5n \u0111\u1ecbnh v\u00e0 hi\u1ec7u qu\u1ea3 c\u1ee7a thu\u1ed1c . Trong n\u00f4ng nghi\u1ec7p, m\u00e1y \u0111o pH \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 theo d\u00f5i \u0111\u1ed9 pH c\u1ee7a \u0111\u1ea5t v\u00e0 n\u01b0\u1edbc t\u01b0\u1edbi nh\u1eb1m t\u1ed1i \u01b0u h\u00f3a s\u1ef1 t\u0103ng tr\u01b0\u1edfng v\u00e0 n\u0103ng su\u1ea5t c\u00e2y tr\u1ed3ng. Trong gi\u00e1m s\u00e1t m\u00f4i tr\u01b0\u1eddng, m\u00e1y \u0111o pH \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 \u0111\u00e1nh gi\u00e1 t\u00ecnh tr\u1ea1ng c\u1ee7a h\u1ec7 sinh th\u00e1i d\u01b0\u1edbi n\u01b0\u1edbc b\u1eb1ng c\u00e1ch \u0111o \u0111\u1ed9 pH c\u1ee7a s\u00f4ng, h\u1ed3 v\u00e0 \u0111\u1ea1i d\u01b0\u01a1ng.<\/p>\n<p>Nh\u00ecn chung, m\u00e1y \u0111o pH \u0111\u00f3ng m\u1ed9t vai tr\u00f2 quan tr\u1ecdng trong nhi\u1ec1u ng\u00e0nh c\u00f4ng nghi\u1ec7p v\u00e0 l\u0129nh v\u1ef1c khoa h\u1ecdc b\u1eb1ng c\u00e1ch cung c\u1ea5p c\u00e1c ph\u00e9p \u0111o ch\u00ednh x\u00e1c v\u00e0 \u0111\u00e1ng tin c\u1eady v\u1ec1 \u0111\u1ed9 axit v\u00e0 \u0111\u1ed9 ki\u1ec1m. B\u1eb1ng c\u00e1ch hi\u1ec3u r\u00f5 m\u00e1y \u0111o pH \u0111o \u0111\u01b0\u1ee3c g\u00ec v\u00e0 c\u00e1ch ch\u00fang ho\u1ea1t \u0111\u1ed9ng, c\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u, nh\u00e0 khoa h\u1ecdc v\u00e0 k\u1ef9 thu\u1eadt vi\u00ean c\u00f3 th\u1ec3 \u0111\u01b0a ra quy\u1ebft \u0111\u1ecbnh s\u00e1ng su\u1ed1t d\u1ef1a tr\u00ean d\u1eef li\u1ec7u pH thu \u0111\u01b0\u1ee3c.<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/chimaytech.net\/wp-content\/uploads\/2024\/08\/pH-ORP8500A-meter-pH-controller-with-RS485-2-2.png\" alt=\"alt-5413\" class=\"wp-image-5413\" id=\"i5413\" \/><\/p>\n<p>\nT\u00f3m l\u1ea1i, m\u00e1y \u0111o pH l\u00e0 d\u1ee5ng c\u1ee5 \u0111a n\u0103ng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 \u0111o \u0111\u1ed9 axit ho\u1eb7c \u0111\u1ed9 ki\u1ec1m c\u1ee7a dung d\u1ecbch m\u1ed9t c\u00e1ch ch\u00ednh x\u00e1c. B\u1eb1ng c\u00e1ch \u0111o n\u1ed3ng \u0111\u1ed9 ion hydro trong dung d\u1ecbch, m\u00e1y \u0111o pH cung c\u1ea5p th\u00f4ng tin c\u00f3 gi\u00e1 tr\u1ecb cho nhi\u1ec1u \u1ee9ng d\u1ee5ng, t\u1eeb ki\u1ec3m tra ch\u1ea5t l\u01b0\u1ee3ng n\u01b0\u1edbc \u0111\u1ebfn s\u1ea3n xu\u1ea5t th\u1ef1c ph\u1ea9m \u0111\u1ebfn gi\u00e1m s\u00e1t m\u00f4i tr\u01b0\u1eddng. Hi\u1ec3u c\u00e1c nguy\u00ean t\u1eafc \u0111\u1eb1ng sau m\u00e1y \u0111o pH v\u00e0 c\u00e1ch ch\u00fang ho\u1ea1t \u0111\u1ed9ng l\u00e0 \u0111i\u1ec1u c\u1ea7n thi\u1ebft \u0111\u1ec3 c\u00f3 \u0111\u01b0\u1ee3c ph\u00e9p \u0111o pH \u0111\u00e1ng tin c\u1eady v\u00e0 \u0111\u1ea3m b\u1ea3o ch\u1ea5t l\u01b0\u1ee3ng c\u0169ng nh\u01b0 s\u1ef1 an to\u00e0n c\u1ee7a s\u1ea3n ph\u1ea9m v\u00e0 m\u00f4i tr\u01b0\u1eddng.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>T\u00ecm hi\u1ec3u v\u1ec1 m\u00e1y \u0111o pH: Ch\u00fang \u0111o l\u01b0\u1eddng c\u00e1i g\u00ec? M\u00e1y \u0111o pH l\u00e0 c\u00f4ng c\u1ee5 thi\u1ebft y\u1ebfu \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong nhi\u1ec1u ng\u00e0nh c\u00f4ng nghi\u1ec7p, ph\u00f2ng th\u00ed nghi\u1ec7m v\u00e0 th\u1eadm ch\u00ed trong cu\u1ed9c s\u1ed1ng h\u00e0ng ng\u00e0y \u0111\u1ec3 \u0111o \u0111\u1ed9 axit ho\u1eb7c \u0111\u1ed9 ki\u1ec1m c\u1ee7a dung d\u1ecbch. Nh\u01b0ng ch\u00ednh x\u00e1c th\u00ec m\u00e1y \u0111o pH&#8230;<\/p>\n","protected":false},"author":1,"featured_media":19259,"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":[87076,87669],"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\/24050"}],"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=24050"}],"version-history":[{"count":16,"href":"https:\/\/chimaytech.net\/vi\/wp-json\/wp\/v2\/posts\/24050\/revisions"}],"predecessor-version":[{"id":24384,"href":"https:\/\/chimaytech.net\/vi\/wp-json\/wp\/v2\/posts\/24050\/revisions\/24384"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/chimaytech.net\/vi\/wp-json\/wp\/v2\/media\/19259"}],"wp:attachment":[{"href":"https:\/\/chimaytech.net\/vi\/wp-json\/wp\/v2\/media?parent=24050"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/chimaytech.net\/vi\/wp-json\/wp\/v2\/categories?post=24050"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/chimaytech.net\/vi\/wp-json\/wp\/v2\/tags?post=24050"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}