{"id":9802,"date":"2024-04-02T13:34:06","date_gmt":"2024-04-02T05:34:06","guid":{"rendered":"https:\/\/shchimay.com\/?p=9802"},"modified":"2024-04-09T15:07:40","modified_gmt":"2024-04-09T07:07:40","slug":"do-ph-meters-really-work","status":"publish","type":"post","link":"https:\/\/shchimay.com\/vi\/do-ph-meters-really-work\/","title":{"rendered":"m\u00e1y \u0111o ph c\u00f3 th\u1ef1c s\u1ef1 hi\u1ec7u qu\u1ea3 kh\u00f4ng"},"content":{"rendered":"<p>&#8220;\u0110o pH ch\u00ednh x\u00e1c cho k\u1ebft qu\u1ea3 \u0111\u00e1ng tin c\u1eady.&#8221;<\/p>\n<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\/do-ph-meters-really-work\/#Khoa_hoc_dang_sau_may_do_pH_Chung_do_do_axit_va_do_kiem_nhu_the_nao\" title=\"Khoa h\u1ecdc \u0111\u1eb1ng sau m\u00e1y \u0111o pH: Ch\u00fang \u0111o \u0111\u1ed9 axit v\u00e0 \u0111\u1ed9 ki\u1ec1m nh\u01b0 th\u1ebf n\u00e0o?\">Khoa h\u1ecdc \u0111\u1eb1ng sau m\u00e1y \u0111o pH: Ch\u00fang \u0111o \u0111\u1ed9 axit v\u00e0 \u0111\u1ed9 ki\u1ec1m nh\u01b0 th\u1ebf n\u00e0o?<\/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\/do-ph-meters-really-work\/#Ung_dung_thuc_te_cua_may_do_pH_Chung_co_the_xac_dinh_chinh_xac_muc_do_pH_trong_cac_chat_khac_nhau_khong\" title=\"\u1ee8ng d\u1ee5ng th\u1ef1c t\u1ebf c\u1ee7a m\u00e1y \u0111o pH: Ch\u00fang c\u00f3 th\u1ec3 x\u00e1c \u0111\u1ecbnh ch\u00ednh x\u00e1c m\u1ee9c \u0111\u1ed9 pH trong c\u00e1c ch\u1ea5t kh\u00e1c nhau kh\u00f4ng?\">\u1ee8ng d\u1ee5ng th\u1ef1c t\u1ebf c\u1ee7a m\u00e1y \u0111o pH: Ch\u00fang c\u00f3 th\u1ec3 x\u00e1c \u0111\u1ecbnh ch\u00ednh x\u00e1c m\u1ee9c \u0111\u1ed9 pH trong c\u00e1c ch\u1ea5t kh\u00e1c nhau kh\u00f4ng?<\/a><\/li><\/ul><\/nav><\/div>\n<h1 id=\"the-science-behind-ph-meters-how-do-they-measure-acidity-and-alkalinity-wpaicgheading\"><span class=\"ez-toc-section\" id=\"Khoa_hoc_dang_sau_may_do_pH_Chung_do_do_axit_va_do_kiem_nhu_the_nao\"><\/span>Khoa h\u1ecdc \u0111\u1eb1ng sau m\u00e1y \u0111o pH: Ch\u00fang \u0111o \u0111\u1ed9 axit v\u00e0 \u0111\u1ed9 ki\u1ec1m nh\u01b0 th\u1ebf n\u00e0o?<span class=\"ez-toc-section-end\"><\/span><\/h1>\n<p>\nM\u00e1y \u0111o pH th\u01b0\u1eddng \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, \u0111\u1ec3 \u0111o \u0111\u1ed9 axit ho\u1eb7c \u0111\u1ed9 ki\u1ec1m c\u1ee7a dung d\u1ecbch. Nh\u01b0ng nh\u1eefng thi\u1ebft b\u1ecb n\u00e0y th\u1ef1c s\u1ef1 ho\u1ea1t \u0111\u1ed9ng nh\u01b0 th\u1ebf n\u00e0o v\u00e0 li\u1ec7u ch\u00fang c\u00f3 \u0111\u00e1ng tin c\u1eady \u0111\u1ec3 cung c\u1ea5p k\u1ebft qu\u1ea3 \u0111o ch\u00ednh x\u00e1c kh\u00f4ng?<\/p>\n<p>\u0110\u1ec3 hi\u1ec3u c\u00e1ch ho\u1ea1t \u0111\u1ed9ng c\u1ee7a m\u00e1y \u0111o pH, \u0111i\u1ec1u quan tr\u1ecdng tr\u01b0\u1edbc ti\u00ean l\u00e0 ph\u1ea3i hi\u1ec3u pH l\u00e0 g\u00ec. pH l\u00e0 th\u01b0\u1edbc \u0111o n\u1ed3ng \u0111\u1ed9 c\u1ee7a c\u00e1c ion hydro trong dung d\u1ecbch v\u00e0 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 cho bi\u1ebft dung d\u1ecbch \u0111\u00f3 c\u00f3 t\u00ednh axit (pH nh\u1ecf h\u01a1n 7), trung t\u00ednh (pH 7) hay ki\u1ec1m (pH l\u1edbn h\u01a1n 7). M\u00e1y \u0111o pH ho\u1ea1t \u0111\u1ed9ng b\u1eb1ng c\u00e1ch \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 nh\u1ea1y c\u1ea3m v\u1edbi c\u00e1c ion hydro.<\/p>\n<div class=\"entry-content-asset videofit\"><iframe loading=\"lazy\" title=\"what is Inductive TDS meter\/conductivity controller (chimay@chimaytech.com)\" width=\"720\" height=\"405\" src=\"https:\/\/www.youtube.com\/embed\/8z8rrZHhUGM?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>Khi \u0111\u1eb7t m\u00e1y \u0111o pH v\u00e0o dung d\u1ecbch, \u0111i\u1ec7n c\u1ef1c th\u1ee7y tinh s\u1ebd t\u1ea1o ra \u0111i\u1ec7n \u00e1p t\u1ef7 l\u1ec7 thu\u1eadn v\u1edbi n\u1ed3ng \u0111\u1ed9 ion hydro trong 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 b\u1eb1ng m\u00e1y \u0111o, \u0111\u01b0\u1ee3c hi\u1ec3n th\u1ecb tr\u00ean m\u00e0n h\u00ecnh k\u1ef9 thu\u1eadt s\u1ed1. \u0110\u1ed9 ch\u00ednh x\u00e1c c\u1ee7a m\u00e1y \u0111o pH ph\u1ee5 thu\u1ed9c v\u00e0o ch\u1ea5t l\u01b0\u1ee3ng c\u1ee7a \u0111i\u1ec7n c\u1ef1c v\u00e0 hi\u1ec7u chu\u1ea9n c\u1ee7a thi\u1ebft b\u1ecb.<\/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 m\u00e1y \u0111o pH l\u00e0 t\u00ecnh tr\u1ea1ng c\u1ee7a c\u00e1c \u0111i\u1ec7n c\u1ef1c. Theo th\u1eddi gian, \u0111i\u1ec7n c\u1ef1c th\u1ee7y tinh c\u00f3 th\u1ec3 b\u1ecb ph\u1ee7 ch\u1ea5t g\u00e2y \u00f4 nhi\u1ec5m ho\u1eb7c h\u00ecnh th\u00e0nh m\u1ed9t l\u1edbp protein ho\u1eb7c c\u00e1c ch\u1ea5t kh\u00e1c c\u00f3 th\u1ec3 c\u1ea3n tr\u1edf kh\u1ea3 n\u0103ng \u0111o pH ch\u00ednh x\u00e1c c\u1ee7a \u0111i\u1ec7n c\u1ef1c. \u0110\u1ec3 \u0111\u1ea3m b\u1ea3o k\u1ebft qu\u1ea3 \u0111o ch\u00ednh x\u00e1c, m\u00e1y \u0111o pH ph\u1ea3i \u0111\u01b0\u1ee3c hi\u1ec7u chu\u1ea9n v\u00e0 b\u1ea3o tr\u00ec th\u01b0\u1eddng xuy\u00ean theo h\u01b0\u1edbng d\u1eabn c\u1ee7a nh\u00e0 s\u1ea3n xu\u1ea5t.<\/p>\n<div class=\"entry-content-asset videofit\"><iframe loading=\"lazy\" title=\"pH ORP meter Definition, Principle, &amp; Facts (chimaytech.com)\" width=\"720\" height=\"405\" src=\"https:\/\/www.youtube.com\/embed\/jzMiBbYWFZw?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>\nM\u1ed9t y\u1ebfu t\u1ed1 kh\u00e1c c\u00f3 th\u1ec3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn \u0111\u1ed9 ch\u00ednh x\u00e1c c\u1ee7a m\u00e1y \u0111o pH l\u00e0 nhi\u1ec7t \u0111\u1ed9. C\u00e1c ph\u00e9p \u0111o pH ph\u1ee5 thu\u1ed9c v\u00e0o nhi\u1ec7t \u0111\u1ed9, v\u00ec v\u1eady \u0111i\u1ec1u quan tr\u1ecdng l\u00e0 ph\u1ea3i t\u00ednh \u0111\u1ebfn nhi\u1ec7t \u0111\u1ed9 khi s\u1eed d\u1ee5ng m\u00e1y \u0111o pH. H\u1ea7u h\u1ebft c\u00e1c m\u00e1y \u0111o pH \u0111\u1ec1u c\u00f3 c\u1ea3m bi\u1ebfn nhi\u1ec7t \u0111\u1ed9 t\u00edch h\u1ee3p t\u1ef1 \u0111\u1ed9ng b\u00f9 \u0111\u1eafp cho s\u1ef1 thay \u0111\u1ed5i nhi\u1ec7t \u0111\u1ed9, nh\u01b0ng \u0111i\u1ec1u quan tr\u1ecdng l\u00e0 ph\u1ea3i hi\u1ec7u ch\u1ec9nh m\u00e1y \u0111o \u1edf nhi\u1ec7t \u0111\u1ed9 ch\u00ednh x\u00e1c \u0111\u1ec3 c\u00f3 k\u1ebft qu\u1ea3 ch\u00ednh x\u00e1c nh\u1ea5t.<\/p>\n<figure class=\"wp-block-table\">\n<table>\n<tbody>\n<tr>\n<td>M\u1eabu s\u1ea3n ph\u1ea9m<\/td>\n<td colspan=\"2\">MFC-8800<\/td>\n<\/tr>\n<tr>\n<td rowspan=\"2\">C\u1ed5ng giao ti\u1ebfp<\/td>\n<td colspan=\"2\">K\u00eanh ph\u1ee5 giao th\u1ee9c Modbus RTU c\u1ed5ng RS485 \u0111\u01b0\u1ee3c k\u1ebft n\u1ed1i v\u1edbi DTU v\u00e0 DCS<\/td>\n<\/tr>\n<tr>\n<td colspan=\"2\">C\u1ed5ng RS485 k\u00eanh ch\u00ednh \u0111\u01b0\u1eddng xu\u1ed1ng c\u1ee7a giao th\u1ee9c Modbus RTU \u0111\u01b0\u1ee3c k\u1ebft n\u1ed1i v\u1edbi thi\u1ebft b\u1ecb \u0111\u1ea7u cu\u1ed1i thu th\u1eadp d\u1eef li\u1ec7u<\/td>\n<\/tr>\n<tr>\n<td>4~20mA v\u00e0 nbsp;\u0111\u1ea7u ra<\/td>\n<td colspan=\"2\">1 k\u00eanh lo\u1ea1i hai d\u00e2y v\u00e0 nbsp;\u0110i\u1ec7n tr\u1edf v\u00f2ng l\u1eb7p t\u1ed1i \u0111a 400\u03a9<\/td>\n<\/tr>\n<tr>\n<td>4~20mA v\u00e0 nbsp;\u0110\u1ea7u v\u00e0o<\/td>\n<td colspan=\"2\"> v\u00e0 nbsp;2 k\u00eanh lo\u1ea1i hai d\u00e2y\uff08 v\u00e0 nbsp;ngu\u1ed3n c\u1ea5p d\u1eef li\u1ec7u ch\u1ee7 \u0111\u1ed9ng\uff09<\/td>\n<\/tr>\n<tr>\n<td>DI v\u00e0 nbsp;\u0110\u1ea7u v\u00e0o<\/td>\n<td colspan=\"2\"> v\u00e0 nbsp; v\u00e0 nbsp; v\u00e0 nbsp; v\u00e0 nbsp; v\u00e0 nbsp; v\u00e0 nbsp; v\u00e0 nbsp; v\u00e0 nbsp; v\u00e0 nbsp; v\u00e0 nbsp; v\u00e0 nbsp; v\u00e0 nbsp; v\u00e0 nbsp; v\u00e0 nbsp; v\u00e0 nbsp; v\u00e0 nbsp; v\u00e0 nbsp;2 k\u00eanh C\u00f4ng t\u1eafc logic c\u00e1ch ly quang \u0111i\u1ec7n<\/td>\n<\/tr>\n<tr>\n<td rowspan=\"4\">\u0110\u1ea7u Ra DO<\/td>\n<td>3 v\u00e0 nbsp;chuy\u1ec3n ti\u1ebfp k\u00eanh<\/td>\n<td>1 v\u00e0 nbsp;SPDT v\u00e0 nbsp;AC220V\uff1b 3A(MAX)<\/td>\n<\/tr>\n<tr>\n<td>\uff08ch\u1ec9 d\u00e0nh cho t\u00edn hi\u1ec7u truy\u1ec1n \u0111\u1ed9ng\uff09<\/td>\n<td>2 v\u00e0 nbsp;SPST v\u00e0 nbsp;AC220V\uff1b 3A(MAX)<\/td>\n<\/tr>\n<tr>\n<td rowspan=\"2\">1 k\u00eanh v\u00e0 nbsp;C\u00f4ng t\u1eafc quang \u0111i\u1ec7n v\u00e0 nbsp; v\u00e0 nbsp;<\/td>\n<td>Xung\/t\u1ea7n s\u1ed1 t\u1ef7 l\u1ec7<\/td>\n<\/tr>\n<tr>\n<td> v\u00e0 nbsp;Kh\u1ea3 n\u0103ng t\u1ea3i\uff1a100mA\/DC30V<\/td>\n<\/tr>\n<tr>\n<td> v\u00e0 nbsp;Thu th\u1eadp d\u1eef li\u1ec7u<\/td>\n<td colspan=\"2\">Thu th\u1eadp d\u1eef li\u1ec7u\uff0cv\u1edbi 3 v\u00e0 nbsp;k\u00eanh ngu\u1ed3n \u0111i\u1ec7n c\u1ea3m bi\u1ebfn DC24V v\u00e0 nbsp;<\/td>\n<\/tr>\n<tr>\n<td>Ch\u1ebf \u0111\u1ed9 hi\u1ec3n th\u1ecb<\/td>\n<td colspan=\"2\">3.5\u201d\uff08ho\u1eb7c 4\u201d\uff09LCD \u0111\u1ea7y m\u00e0u s\u1eafc v\u00e0 m\u00e0n h\u00ecnh c\u1ea3m \u1ee9ng<\/td>\n<\/tr>\n<tr>\n<td>Ngu\u1ed3n \u0111i\u1ec7n<\/td>\n<td colspan=\"2\">D\u1ea3i c\u00f4ng su\u1ea5t r\u1ed9ng \uff1a\uff0812-24\uff09V<\/td>\n<\/tr>\n<tr>\n<td>Ti\u00eau th\u1ee5<\/td>\n<td colspan=\"2\"> v\u00e0 lt;5W<\/td>\n<\/tr>\n<tr>\n<td>Y\u00eau c\u1ea7u v\u1ec1 m\u00f4i tr\u01b0\u1eddng<\/td>\n<td colspan=\"2\">Nhi\u1ec7t \u0111\u1ed9 m\u00f4i tr\u01b0\u1eddng\uff1a\uff085~45\uff09\u2103\uff1b v\u00e0 nbsp;\u0111\u1ed9 \u1ea9m t\u01b0\u01a1ng \u0111\u1ed1i\uff1a\u226490 ph\u1ea7n tr\u0103m \u3002<\/td>\n<\/tr>\n<tr>\n<td>K\u00edch th\u01b0\u1edbc l\u1ed7<\/td>\n<td colspan=\"2\">\uff0891\u00d791\uff09mm v\u00e0 nbsp;k\u00edch th\u01b0\u1edbc l\u1ed7\uff1bk\u00edch th\u01b0\u1edbc b\u1ea3ng\uff08100*100\uff09mm<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/figure>\n<p><\/p>\n<div class=\"entry-content-asset videofit\"><iframe loading=\"lazy\" title=\"water pipe plastic connector\" width=\"720\" height=\"405\" src=\"https:\/\/www.youtube.com\/embed\/UYAn7sNi9yk?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>Ngo\u00e0i vi\u1ec7c hi\u1ec7u chu\u1ea9n v\u00e0 b\u1ea3o tr\u00ec, k\u1ef9 thu\u1eadt ph\u00f9 h\u1ee3p c\u0169ng r\u1ea5t quan tr\u1ecdng khi s\u1eed d\u1ee5ng m\u00e1y \u0111o pH. N\u00ean r\u1eeda s\u1ea1ch \u0111i\u1ec7n c\u1ef1c b\u1eb1ng n\u01b0\u1edbc c\u1ea5t gi\u1eefa c\u00e1c l\u1ea7n \u0111o \u0111\u1ec3 tr\u00e1nh nhi\u1ec5m b\u1ea9n v\u00e0 b\u1ea3o qu\u1ea3n m\u00e1y \u0111o \u1edf n\u01a1i kh\u00f4 r\u00e1o, s\u1ea1ch s\u1ebd khi kh\u00f4ng s\u1eed d\u1ee5ng. \u0110i\u1ec1u quan tr\u1ecdng n\u1eefa l\u00e0 s\u1eed d\u1ee5ng \u0111\u00fang lo\u1ea1i \u0111i\u1ec7n c\u1ef1c cho dung d\u1ecbch \u0111\u01b0\u1ee3c \u0111o, v\u00ec c\u00e1c \u0111i\u1ec7n c\u1ef1c kh\u00e1c nhau \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 \u0111o c\u00e1c lo\u1ea1i dung d\u1ecbch kh\u00e1c nhau.<\/p>\n<p>M\u1eb7c d\u00f9 c\u00f3 nh\u1eefng bi\u1ec7n ph\u00e1p ph\u00f2ng ng\u1eeba n\u00e0y nh\u01b0ng v\u1eabn c\u00f3 m\u1ed9t s\u1ed1 h\u1ea1n ch\u1ebf v\u1ec1 \u0111\u1ed9 ch\u00ednh x\u00e1c c\u1ee7a m\u00e1y \u0111o pH. V\u00ed d\u1ee5, m\u00e1y \u0111o pH c\u00f3 th\u1ec3 kh\u00f4ng \u0111o \u0111\u01b0\u1ee3c ch\u00ednh x\u00e1c \u0111\u1ed9 pH c\u1ee7a dung d\u1ecbch c\u00f3 \u0111\u1ed9 pH r\u1ea5t th\u1ea5p ho\u1eb7c r\u1ea5t cao, v\u00ec \u0111i\u1ec7n c\u1ef1c th\u1ee7y tinh c\u00f3 th\u1ec3 kh\u00f4ng \u0111\u1ee7 nh\u1ea1y \u0111\u1ec3 ph\u00e1t hi\u1ec7n c\u00e1c m\u1ee9c pH qu\u00e1 cao. Ngo\u00e0i ra, m\u00e1y \u0111o pH c\u00f3 th\u1ec3 kh\u00f4ng \u0111o \u0111\u01b0\u1ee3c ch\u00ednh x\u00e1c \u0111\u1ed9 pH c\u1ee7a dung d\u1ecbch ch\u1ee9a h\u00e0m l\u01b0\u1ee3ng ch\u1ea5t r\u1eafn l\u01a1 l\u1eedng ho\u1eb7c d\u1ea7u cao, v\u00ec nh\u1eefng ch\u1ea5t n\u00e0y c\u00f3 th\u1ec3 c\u1ea3n tr\u1edf kh\u1ea3 n\u0103ng \u0111o pH c\u1ee7a \u0111i\u1ec7n c\u1ef1c.<\/p>\n<figure class=\"wp-block-table\">\n<table>\n<tbody>\n<tr>\n<td>M\u1eabu s\u1ea3n ph\u1ea9m<\/td>\n<td>DOF-6310 v\u00e0 nbsp;(DOF-6141)<\/td>\n<\/tr>\n<tr>\n<td>T\u00ean s\u1ea3n ph\u1ea9m<\/td>\n<td>Thi\u1ebft b\u1ecb \u0111\u1ea7u cu\u1ed1i thu th\u1eadp d\u1eef li\u1ec7u oxy h\u00f2a tan<\/td>\n<\/tr>\n<tr>\n<td>Ph\u01b0\u01a1ng ph\u00e1p \u0111o<\/td>\n<td>Ph\u01b0\u01a1ng ph\u00e1p hu\u1ef3nh quang<\/td>\n<\/tr>\n<tr>\n<td>Ph\u1ea1m vi \u0111o<\/td>\n<td>0-20mg\/L<\/td>\n<\/tr>\n<tr>\n<td>\u0110\u1ed9 ch\u00ednh x\u00e1c<\/td>\n<td>\u00b10,3mg\/L<\/td>\n<\/tr>\n<tr>\n<td>\u0110\u1ed9 ph\u00e2n gi\u1ea3i v\u00e0 nbsp; v\u00e0 nbsp;<\/td>\n<td>0,01mg\/L<\/td>\n<\/tr>\n<tr>\n<td>Th\u1eddi gian \u0111\u00e1p \u1ee9ng<\/td>\n<td>th\u1eadp ni\u00ean 90<\/td>\n<\/tr>\n<tr>\n<td>\u0110\u1ed9 l\u1eb7p l\u1ea1i<\/td>\n<td>5 ph\u1ea7n tr\u0103m RS<\/td>\n<\/tr>\n<tr>\n<td>B\u00f9 nhi\u1ec7t \u0111\u1ed9<\/td>\n<td>0-60.0\u2103 \u0110\u1ed9 ch\u00ednh x\u00e1c:\u00b10.5\u2103<\/td>\n<\/tr>\n<tr>\n<td>B\u00f9 \u00e1p su\u1ea5t kh\u00f4ng kh\u00ed<\/td>\n<td>300-1100hPa<\/td>\n<\/tr>\n<tr>\n<td>\u0110\u1ee9ng \u00e1p l\u1ef1c<\/td>\n<td>0,3Mpa<\/td>\n<\/tr>\n<tr>\n<td>Giao ti\u1ebfp<\/td>\n<td>Giao th\u1ee9c chu\u1ea9n RS485 MODBUS-RTU<\/td>\n<\/tr>\n<tr>\n<td>S\u1ee9c m\u1ea1nh<\/td>\n<td>DC(9-28)V<\/td>\n<\/tr>\n<tr>\n<td>N\u0103ng l\u01b0\u1ee3ng ti\u00eau th\u1ee5<\/td>\n<td> v\u00e0 lt;2W<\/td>\n<\/tr>\n<tr>\n<td>M\u00f4i tr\u01b0\u1eddng ho\u1ea1t \u0111\u1ed9ng<\/td>\n<td>Nhi\u1ec7t \u0111\u1ed9:(0-50)\u2103<\/td>\n<\/tr>\n<tr>\n<td>M\u00f4i tr\u01b0\u1eddng l\u01b0u tr\u1eef<\/td>\n<td>Nhi\u1ec7t \u0111\u1ed9:(-10-60)\u2103; v\u00e0 nbsp;\u0110\u1ed9 \u1ea9m:\u226495 ph\u1ea7n tr\u0103m RH(Kh\u00f4ng ng\u01b0ng t\u1ee5)<\/td>\n<\/tr>\n<tr>\n<td>C\u00e0i \u0111\u1eb7t<\/td>\n<td>Ng\u1eadp n\u01b0\u1edbc<\/td>\n<\/tr>\n<tr>\n<td>M\u1ee9c \u0111\u1ed9 b\u1ea3o v\u1ec7<\/td>\n<td>IP68<\/td>\n<\/tr>\n<tr>\n<td>Tr\u1ecdng l\u01b0\u1ee3ng<\/td>\n<td>1,5Kg (c\u00f3 c\u00e1p 10m)<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/figure>\n<p>Nh\u00ecn chung, m\u00e1y \u0111o pH c\u00f3 th\u1ec3 l\u00e0 m\u1ed9t c\u00f4ng c\u1ee5 c\u00f3 gi\u00e1 tr\u1ecb \u0111\u1ec3 \u0111o \u0111\u1ed9 axit v\u00e0 \u0111\u1ed9 ki\u1ec1m trong nhi\u1ec1u \u1ee9ng d\u1ee5ng. B\u1eb1ng c\u00e1ch hi\u1ec3u c\u00e1ch ho\u1ea1t \u0111\u1ed9ng c\u1ee7a m\u00e1y \u0111o pH c\u0169ng nh\u01b0 c\u1ea9n th\u1eadn trong vi\u1ec7c hi\u1ec7u ch\u1ec9nh v\u00e0 b\u1ea3o tr\u00ec ch\u00fang, ng\u01b0\u1eddi d\u00f9ng c\u00f3 th\u1ec3 tin t\u01b0\u1edfng r\u1eb1ng h\u1ecd \u0111ang c\u00f3 \u0111\u01b0\u1ee3c k\u1ebft qu\u1ea3 \u0111o pH ch\u00ednh x\u00e1c v\u00e0 \u0111\u00e1ng tin c\u1eady.<\/p>\n<h1 id=\"real-life-applications-of-ph-meters-can-they-accurately-determine-ph-levels-in-various-substances-wpaicgheading\"><span class=\"ez-toc-section\" id=\"Ung_dung_thuc_te_cua_may_do_pH_Chung_co_the_xac_dinh_chinh_xac_muc_do_pH_trong_cac_chat_khac_nhau_khong\"><\/span>\u1ee8ng d\u1ee5ng th\u1ef1c t\u1ebf c\u1ee7a m\u00e1y \u0111o pH: Ch\u00fang c\u00f3 th\u1ec3 x\u00e1c \u0111\u1ecbnh ch\u00ednh x\u00e1c m\u1ee9c \u0111\u1ed9 pH trong c\u00e1c ch\u1ea5t kh\u00e1c nhau kh\u00f4ng?<span class=\"ez-toc-section-end\"><\/span><\/h1>\n<p>\nM\u00e1y \u0111o pH \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong nhi\u1ec1u ng\u00e0nh c\u00f4ng nghi\u1ec7p v\u00e0 l\u0129nh v\u1ef1c khoa h\u1ecdc kh\u00e1c nhau \u0111\u1ec3 \u0111o \u0111\u1ed9 axit ho\u1eb7c \u0111\u1ed9 ki\u1ec1m c\u1ee7a m\u1ed9t ch\u1ea5t. Nh\u01b0ng m\u00e1y \u0111o pH c\u00f3 th\u1ef1c s\u1ef1 hi\u1ec7u qu\u1ea3? H\u1ecd c\u00f3 th\u1ec3 x\u00e1c \u0111\u1ecbnh ch\u00ednh x\u00e1c \u0111\u1ed9 pH trong c\u00e1c ch\u1ea5t kh\u00e1c nhau kh\u00f4ng? Trong b\u00e0i vi\u1ebft n\u00e0y, ch\u00fang ta s\u1ebd kh\u00e1m ph\u00e1 c\u00e1c \u1ee9ng d\u1ee5ng th\u1ef1c t\u1ebf c\u1ee7a m\u00e1y \u0111o pH v\u00e0 th\u1ea3o lu\u1eadn v\u1ec1 t\u00ednh hi\u1ec7u qu\u1ea3 c\u1ee7a ch\u00fang trong vi\u1ec7c \u0111o m\u1ee9c \u0111\u1ed9 pH.<\/p>\n<p>M\u00e1y \u0111o pH ho\u1ea1t \u0111\u1ed9ng d\u1ef1a tr\u00ean nguy\u00ean t\u1eafc \u0111o n\u1ed3ng \u0111\u1ed9 ion hydro trong dung d\u1ecbch. Thang \u0111o pH dao \u0111\u1ed9ng t\u1eeb 0 \u0111\u1ebfn 14, trong \u0111\u00f3 0 l\u00e0 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 trang b\u1ecb m\u1ed9t \u0111i\u1ec7n c\u1ef1c th\u1ee7y tinh t\u1ea1o ra \u0111i\u1ec7n \u00e1p t\u1ef7 l\u1ec7 thu\u1eadn v\u1edbi n\u1ed3ng \u0111\u1ed9 ion hydro trong 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, bi\u1ec3u th\u1ecb \u0111\u1ed9 axit ho\u1eb7c \u0111\u1ed9 ki\u1ec1m c\u1ee7a ch\u1ea5t \u0111ang \u0111\u01b0\u1ee3c ki\u1ec3m tra.<\/p>\n<p>M\u1ed9t trong nh\u1eefng \u1ee9ng d\u1ee5ng ph\u1ed5 bi\u1ebfn nh\u1ea5t c\u1ee7a m\u00e1y \u0111o pH l\u00e0 trong l\u0129nh v\u1ef1c n\u00f4ng nghi\u1ec7p. N\u00f4ng d\u00e2n s\u1eed d\u1ee5ng m\u00e1y \u0111o pH \u0111\u1ec3 ki\u1ec3m tra \u0111\u1ed9 axit ho\u1eb7c \u0111\u1ed9 ki\u1ec1m c\u1ee7a \u0111\u1ea5t, \u0111i\u1ec1u n\u00e0y r\u1ea5t quan tr\u1ecdng \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh \u0111i\u1ec1u ki\u1ec7n t\u1ed1i \u01b0u cho s\u1ef1 ph\u00e1t tri\u1ec3n c\u1ee7a c\u00e2y tr\u1ed3ng. C\u00e1c lo\u1ea1i c\u00e2y kh\u00e1c nhau ph\u00e1t tri\u1ec3n m\u1ea1nh \u1edf c\u00e1c m\u1ee9c \u0111\u1ed9 pH kh\u00e1c nhau, v\u00ec v\u1eady \u0111i\u1ec1u c\u1ea7n thi\u1ebft l\u00e0 n\u00f4ng d\u00e2n ph\u1ea3i \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ed9 pH c\u1ee7a \u0111\u1ea5t cho ph\u00f9 h\u1ee3p. M\u00e1y \u0111o pH gi\u00fap n\u00f4ng d\u00e2n theo d\u00f5i v\u00e0 duy tr\u00ec \u0111\u1ed9 pH trong \u0111\u1ea5t, \u0111\u1ea3m b\u1ea3o c\u00e2y tr\u1ed3ng ph\u00e1t tri\u1ec3n kh\u1ecfe m\u1ea1nh.<\/p>\n<p>Trong ng\u00e0nh th\u1ef1c ph\u1ea9m v\u00e0 \u0111\u1ed3 u\u1ed1ng, m\u00e1y \u0111o pH \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 theo d\u00f5i \u0111\u1ed9 axit c\u1ee7a nhi\u1ec1u s\u1ea3n ph\u1ea9m kh\u00e1c nhau. V\u00ed d\u1ee5, trong s\u1ea3n xu\u1ea5t bia, r\u01b0\u1ee3u vang v\u00e0 pho m\u00e1t, m\u00e1y \u0111o pH \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o qu\u00e1 tr\u00ecnh l\u00ean men di\u1ec5n ra nh\u01b0 mong \u0111\u1ee3i. M\u00e1y \u0111o pH c\u0169ng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong ki\u1ec3m so\u00e1t ch\u1ea5t l\u01b0\u1ee3ng s\u1ea3n ph\u1ea9m th\u1ef1c ph\u1ea9m \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o r\u1eb1ng ch\u00fang \u0111\u00e1p \u1ee9ng c\u00e1c ti\u00eau chu\u1ea9n pH c\u1ea7n thi\u1ebft v\u1ec1 an to\u00e0n v\u00e0 h\u01b0\u01a1ng v\u1ecb.<\/p>\n<p>\n<img decoding=\"async\" src=\"https:\/\/shchimay.com\/wp-content\/uploads\/2024\/04\/high-quality-Conductivity-TDS-Meter-CM-230s-for-water-treatment4.png\" alt=\"alt-8121\" class=\"wp-image-8121\" id=\"i8121\" \/><br \/>\nTrong l\u0129nh v\u1ef1c khoa h\u1ecdc m\u00f4i tr\u01b0\u1eddng, m\u00e1y \u0111o pH \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 theo d\u00f5i \u0111\u1ed9 axit c\u1ee7a c\u00e1c v\u00f9ng n\u01b0\u1edbc nh\u01b0 h\u1ed3, s\u00f4ng v\u00e0 \u0111\u1ea1i d\u01b0\u01a1ng. Nh\u1eefng thay \u0111\u1ed5i v\u1ec1 \u0111\u1ed9 pH c\u00f3 th\u1ec3 cho th\u1ea5y t\u00ecnh tr\u1ea1ng \u00f4 nhi\u1ec5m ho\u1eb7c c\u00e1c v\u1ea5n \u0111\u1ec1 m\u00f4i tr\u01b0\u1eddng kh\u00e1c c\u1ea7n \u0111\u01b0\u1ee3c gi\u1ea3i quy\u1ebft. M\u00e1y \u0111o pH c\u0169ng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c nh\u00e0 m\u00e1y x\u1eed l\u00fd n\u01b0\u1edbc th\u1ea3i \u0111\u1ec3 theo d\u00f5i \u0111\u1ed9 pH c\u1ee7a n\u01b0\u1edbc th\u1ea3i tr\u01b0\u1edbc khi th\u1ea3i ra m\u00f4i tr\u01b0\u1eddng. B\u1eb1ng c\u00e1ch \u0111o ch\u00ednh x\u00e1c \u0111\u1ed9 pH, c\u00e1c nh\u00e0 khoa h\u1ecdc m\u00f4i tr\u01b0\u1eddng c\u00f3 th\u1ec3 \u0111\u00e1nh gi\u00e1 s\u1ee9c kh\u1ecfe c\u1ee7a h\u1ec7 sinh th\u00e1i d\u01b0\u1edbi n\u01b0\u1edbc v\u00e0 th\u1ef1c hi\u1ec7n c\u00e1c bi\u1ec7n ph\u00e1p th\u00edch h\u1ee3p \u0111\u1ec3 b\u1ea3o v\u1ec7 ch\u00fang.<\/p>\n<p>\n<img decoding=\"async\" src=\"http:\/\/shchimay.com\/wp-content\/uploads\/2023\/11\/RO-Controller-ROS-2210-11.png\" alt=\"alt-8123\" class=\"wp-image-8123\" id=\"i8123\" \/><br \/>\nTrong l\u0129nh v\u1ef1c y h\u1ecdc, m\u00e1y \u0111o pH \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c x\u00e9t nghi\u1ec7m v\u00e0 quy tr\u00ecnh ch\u1ea9n \u0111o\u00e1n kh\u00e1c nhau. V\u00ed d\u1ee5, trong ph\u00e2n t\u00edch kh\u00ed m\u00e1u, m\u00e1y \u0111o pH \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 \u0111o \u0111\u1ed9 axit ho\u1eb7c \u0111\u1ed9 ki\u1ec1m trong m\u00e1u c\u1ee7a b\u1ec7nh nh\u00e2n. M\u1ee9c \u0111\u1ed9 pH b\u1ea5t th\u01b0\u1eddng c\u00f3 th\u1ec3 ch\u1ec9 ra c\u00e1c r\u1ed1i lo\u1ea1n h\u00f4 h\u1ea5p ho\u1eb7c chuy\u1ec3n h\u00f3a c\u1ea7n can thi\u1ec7p y t\u1ebf. M\u00e1y \u0111o pH c\u0169ng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong ng\u00e0nh d\u01b0\u1ee3c ph\u1ea9m \u0111\u1ec3 theo d\u00f5i \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 ch\u00fang.<\/p>\n<p>Nh\u00ecn chung, m\u00e1y \u0111o pH l\u00e0 c\u00f4ng c\u1ee5 c\u00f3 gi\u00e1 tr\u1ecb trong nhi\u1ec1u ng\u00e0nh c\u00f4ng nghi\u1ec7p v\u00e0 l\u0129nh v\u1ef1c khoa h\u1ecdc. Ch\u00fang cung c\u1ea5p c\u00e1c ph\u00e9p \u0111o ch\u00ednh x\u00e1c v\u00e0 \u0111\u00e1ng tin c\u1eady v\u1ec1 \u0111\u1ed9 pH trong nhi\u1ec1u ch\u1ea5t kh\u00e1c nhau, gi\u00fap c\u00e1c chuy\u00ean gia \u0111\u01b0a ra quy\u1ebft \u0111\u1ecbnh s\u00e1ng su\u1ed1t v\u1ec1 \u0111\u1ed9 ph\u00ec c\u1ee7a \u0111\u1ea5t, an to\u00e0n th\u1ef1c ph\u1ea9m, b\u1ea3o v\u1ec7 m\u00f4i tr\u01b0\u1eddng v\u00e0 ch\u0103m s\u00f3c b\u1ec7nh nh\u00e2n. M\u1eb7c d\u00f9 m\u00e1y \u0111o pH c\u00f3 th\u1ec3 y\u00eau c\u1ea7u hi\u1ec7u chu\u1ea9n v\u00e0 b\u1ea3o tr\u00ec \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 ch\u00ednh x\u00e1c nh\u01b0ng ch\u00fang l\u00e0 c\u00f4ng c\u1ee5 c\u1ea7n thi\u1ebft \u0111\u1ec3 \u0111o v\u00e0 theo d\u00f5i m\u1ee9c \u0111\u1ed9 pH trong c\u00e1c \u1ee9ng d\u1ee5ng th\u1ef1c t\u1ebf. V\u1eady m\u00e1y \u0111o pH c\u00f3 th\u1ef1c s\u1ef1 hi\u1ec7u qu\u1ea3? C\u00e2u tr\u1ea3 l\u1eddi l\u00e0 c\u00f3.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>&#8220;\u0110o pH ch\u00ednh x\u00e1c cho k\u1ebft qu\u1ea3 \u0111\u00e1ng tin c\u1eady.&#8221; Khoa h\u1ecdc \u0111\u1eb1ng sau m\u00e1y \u0111o pH: Ch\u00fang \u0111o \u0111\u1ed9 axit v\u00e0 \u0111\u1ed9 ki\u1ec1m nh\u01b0 th\u1ebf n\u00e0o? 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