{"id":9688,"date":"2024-04-01T19:56:51","date_gmt":"2024-04-01T11:56:51","guid":{"rendered":"https:\/\/shchimay.com\/?p=9688"},"modified":"2024-04-02T00:46:22","modified_gmt":"2024-04-01T16:46:22","slug":"how-does-ph-meter-electrode-work","status":"publish","type":"post","link":"https:\/\/shchimay.com\/vi\/how-does-ph-meter-electrode-work\/","title":{"rendered":"\u0111i\u1ec7n c\u1ef1c \u0111o ph ho\u1ea1t \u0111\u1ed9ng nh\u01b0 th\u1ebf n\u00e0o"},"content":{"rendered":"<p>&#8220;\u0110o ch\u00ednh x\u00e1c, k\u1ebft qu\u1ea3 ch\u00ednh x\u00e1c &#8211; s\u1ee9c m\u1ea1nh c\u1ee7a \u0111i\u1ec7n c\u1ef1c m\u00e1y \u0111o pH.&#8221;<\/p>\n<h1 id=\"understanding-the-basics-of-ph-meter-electrodes-wpaicgheading\">T\u00ecm hi\u1ec3u ki\u1ebfn \u200b\u200bth\u1ee9c c\u01a1 b\u1ea3n v\u1ec1 \u0111i\u1ec7n c\u1ef1c m\u00e1y \u0111o pH<\/h1>\n<p>\n\u0110i\u1ec7n c\u1ef1c m\u00e1y \u0111o pH l\u00e0 th\u00e0nh ph\u1ea7n quan tr\u1ecdng c\u1ee7a m\u00e1y \u0111o pH, thi\u1ebft b\u1ecb d\u00f9ng \u0111\u1ec3 \u0111o \u0111\u1ed9 axit ho\u1eb7c \u0111\u1ed9 ki\u1ec1m c\u1ee7a dung d\u1ecbch. Hi\u1ec3u c\u00e1ch ho\u1ea1t \u0111\u1ed9ng c\u1ee7a \u0111i\u1ec7n c\u1ef1c m\u00e1y \u0111o pH l\u00e0 \u0111i\u1ec1u c\u1ea7n thi\u1ebft \u0111\u1ed1i v\u1edbi b\u1ea5t k\u1ef3 ai s\u1eed d\u1ee5ng m\u00e1y \u0111o pH \u0111\u1ec3 nghi\u00ean c\u1ee9u khoa h\u1ecdc, ki\u1ec3m so\u00e1t ch\u1ea5t l\u01b0\u1ee3ng ho\u1eb7c c\u00e1c \u1ee9ng d\u1ee5ng kh\u00e1c.<\/p>\n<p>\n<img decoding=\"async\" src=\"http:\/\/shchimay.com\/wp-content\/uploads\/2023\/11\/CLA-7000-series-Total-chlorine-DPD-Online2.png\" alt=\"alt-191\" class=\"wp-image-191\" id=\"i191\" \/><br \/>\n\u0110i\u1ec7n c\u1ef1c c\u1ee7a m\u00e1y \u0111o pH bao g\u1ed3m m\u1ed9t m\u00e0ng th\u1ee7y tinh nh\u1ea1y c\u1ea3m v\u1edbi c\u00e1c ion hydro trong dung d\u1ecbch \u0111ang \u0111\u01b0\u1ee3c th\u1eed nghi\u1ec7m. Khi \u0111i\u1ec7n c\u1ef1c \u0111\u01b0\u1ee3c nh\u00fang v\u00e0o dung d\u1ecbch, c\u00e1c ion hydro trong dung d\u1ecbch s\u1ebd t\u01b0\u01a1ng t\u00e1c v\u1edbi m\u00e0ng th\u1ee7y tinh, g\u00e2y ra s\u1ef1 ch\u00eanh l\u1ec7ch \u0111i\u1ec7n th\u1ebf ph\u00e1t tri\u1ec3n gi\u1eefa b\u00ean trong v\u00e0 b\u00ean ngo\u00e0i \u0111i\u1ec7n c\u1ef1c. S\u1ef1 ch\u00eanh l\u1ec7ch \u0111i\u1ec7n th\u1ebf n\u00e0y \u0111\u01b0\u1ee3c \u0111o b\u1eb1ng m\u00e1y \u0111o pH v\u00e0 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 t\u00ednh \u0111\u1ed9 pH c\u1ee7a dung d\u1ecbch.<\/p>\n<p>M\u00e0ng th\u1ee7y tinh c\u1ee7a \u0111i\u1ec7n c\u1ef1c m\u00e1y \u0111o pH th\u01b0\u1eddng \u0111\u01b0\u1ee3c l\u00e0m b\u1eb1ng m\u1ed9t lo\u1ea1i th\u1ee7y tinh \u0111\u1eb7c bi\u1ec7t c\u00f3 t\u00ednh ch\u1ecdn l\u1ecdc \u0111\u1ed1i v\u1edbi c\u00e1c ion hydro. Lo\u1ea1i k\u00ednh n\u00e0y th\u01b0\u1eddng \u0111\u01b0\u1ee3c pha t\u1ea1p c\u00e1c oxit kim lo\u1ea1i nh\u01b0 lithium ho\u1eb7c natri \u0111\u1ec3 t\u0103ng c\u01b0\u1eddng \u0111\u1ed9 nh\u1ea1y c\u1ee7a n\u00f3 v\u1edbi c\u00e1c ion hydro. M\u00e0ng th\u1ee7y tinh x\u1ed1p, cho ph\u00e9p c\u00e1c ion hydro \u0111i qua v\u00e0 t\u01b0\u01a1ng t\u00e1c v\u1edbi dung d\u1ecbch tham chi\u1ebfu b\u00ean trong c\u1ee7a \u0111i\u1ec7n c\u1ef1c.<br \/>\n<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-9688-1\" width=\"640\" height=\"360\" preload=\"metadata\" controls=\"controls\"><source type=\"video\/mp4\" src=\"http:\/\/shchimay.com\/wp-content\/uploads\/2023\/11\/BSQ-2019.mp4?_=1\" \/><a href=\"http:\/\/shchimay.com\/wp-content\/uploads\/2023\/11\/BSQ-2019.mp4\">http:\/\/shchimay.com\/wp-content\/uploads\/2023\/11\/BSQ-2019.mp4<\/a><\/video><\/div><br \/>\nDung d\u1ecbch tham chi\u1ebfu b\u00ean trong c\u1ee7a \u0111i\u1ec7n c\u1ef1c m\u00e1y \u0111o pH th\u01b0\u1eddng l\u00e0 dung d\u1ecbch c\u00f3 \u0111\u1ed9 pH \u0111\u00e3 bi\u1ebft, ch\u1eb3ng h\u1ea1n nh\u01b0 dung d\u1ecbch \u0111\u1ec7m. Dung d\u1ecbch tham chi\u1ebfu n\u00e0y gi\u00fap duy tr\u00ec s\u1ef1 ch\u00eanh l\u1ec7ch \u0111i\u1ec7n th\u1ebf \u1ed5n \u0111\u1ecbnh gi\u1eefa b\u00ean trong v\u00e0 b\u00ean ngo\u00e0i \u0111i\u1ec7n c\u1ef1c, \u0111\u1ea3m b\u1ea3o ph\u00e9p \u0111o pH ch\u00ednh x\u00e1c. Dung d\u1ecbch \u0111\u1ed1i chi\u1ebfu \u0111\u01b0\u1ee3c t\u00e1ch kh\u1ecfi dung d\u1ecbch m\u1eabu b\u1eb1ng m\u00e0ng th\u1ee7y tinh, ng\u0103n ng\u1eeba s\u1ef1 nhi\u1ec5m b\u1ea9n dung d\u1ecbch \u0111\u1ed1i chi\u1ebfu b\u1edfi dung d\u1ecbch m\u1eabu.<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/shchimay.com\/wp-content\/uploads\/2024\/04\/CCT-5300.png\" alt=\"alt-196\" class=\"wp-image-196\" id=\"i196\" \/><\/p>\n<p>Khi \u0111i\u1ec7n c\u1ef1c c\u1ee7a m\u00e1y \u0111o pH \u0111\u01b0\u1ee3c ng\u00e2m trong dung d\u1ecbch, c\u00e1c ion hydro trong dung d\u1ecbch s\u1ebd khu\u1ebfch t\u00e1n qua m\u00e0ng th\u1ee7y tinh v\u00e0 t\u01b0\u01a1ng t\u00e1c v\u1edbi dung d\u1ecbch tham chi\u1ebfu b\u00ean trong. S\u1ef1 t\u01b0\u01a1ng t\u00e1c n\u00e0y g\u00e2y ra s\u1ef1 kh\u00e1c bi\u1ec7t ti\u1ec1m n\u0103ng ph\u00e1t tri\u1ec3n gi\u1eefa b\u00ean trong v\u00e0 b\u00ean ngo\u00e0i \u0111i\u1ec7n c\u1ef1c, \u0111\u01b0\u1ee3c \u0111o b\u1eb1ng m\u00e1y \u0111o pH. Sau \u0111\u00f3, m\u00e1y \u0111o pH s\u1ebd chuy\u1ec3n \u0111\u1ed5i ch\u00eanh l\u1ec7ch \u0111i\u1ec7n th\u1ebf n\u00e0y th\u00e0nh gi\u00e1 tr\u1ecb pH b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng \u0111\u01b0\u1eddng cong hi\u1ec7u chu\u1ea9n.<\/p>\n<div class=\"entry-content-asset videofit\"><iframe loading=\"lazy\" title=\"ph controller with sensor\" width=\"720\" height=\"405\" src=\"https:\/\/www.youtube.com\/embed\/IEyDd_Y9ZUE?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>\nHi\u1ec7u chu\u1ea9n \u0111i\u1ec7n c\u1ef1c m\u00e1y \u0111o pH l\u00e0 \u0111i\u1ec1u c\u1ea7n thi\u1ebft \u0111\u1ec3 \u0111o pH ch\u00ednh x\u00e1c. Hi\u1ec7u chu\u1ea9n bao g\u1ed3m vi\u1ec7c nh\u00fang \u0111i\u1ec7n c\u1ef1c v\u00e0o c\u00e1c dung d\u1ecbch c\u00f3 \u0111\u1ed9 pH \u0111\u00e3 bi\u1ebft, \u0111i\u1ec3n h\u00ecnh l\u00e0 pH 4, 7 v\u00e0 10, \u0111\u1ed3ng th\u1eddi \u0111i\u1ec1u ch\u1ec9nh m\u00e1y \u0111o pH \u0111\u1ec3 ph\u00f9 h\u1ee3p v\u1edbi gi\u00e1 tr\u1ecb pH c\u1ee7a c\u00e1c dung d\u1ecbch n\u00e0y. Qu\u00e1 tr\u00ecnh hi\u1ec7u chu\u1ea9n n\u00e0y \u0111\u1ea3m b\u1ea3o r\u1eb1ng \u0111i\u1ec7n c\u1ef1c m\u00e1y \u0111o pH \u0111o ch\u00ednh x\u00e1c \u0111\u1ed9 pH c\u1ee7a dung d\u1ecbch m\u1eabu.<\/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><\/p>\n<figure class=\"wp-block-table\">\n<table>\n<tbody>\n<tr>\n<td>Ph\u01b0\u01a1ng ph\u00e1p \u0111o<\/td>\n<td colspan=\"4\">Ph\u01b0\u01a1ng ph\u00e1p quang ph\u1ed5 N,N-Diethyl-1,4-phenylenediamine (DPD)<\/td>\n<\/tr>\n<tr>\n<td>M\u00f4 h\u00ecnh<\/td>\n<td>CLA-7122<\/td>\n<td>CLA-7222<\/td>\n<td>CLA-7123<\/td>\n<td>CLA-7223<\/td>\n<\/tr>\n<tr>\n<td>K\u00eanh n\u01b0\u1edbc v\u00e0o<\/td>\n<td>K\u00eanh \u0111\u01a1n<\/td>\n<td>K\u00eanh k\u00e9p<\/td>\n<td>K\u00eanh \u0111\u01a1n<\/td>\n<td>K\u00eanh k\u00e9p v\u00e0 nbsp;<\/td>\n<\/tr>\n<tr>\n<td rowspan=\"2\">Ph\u1ea1m vi \u0111o<\/td>\n<td colspan=\"2\">T\u1ed5ng clo : (0,0 \uff5e 2,0)mg\/L , t\u00ednh b\u1eb1ng Cl2 ;<\/td>\n<td colspan=\"2\">T\u1ed5ng clo : (0,5 \uff5e10,0)mg\/L , t\u00ednh b\u1eb1ng Cl2 ;<\/td>\n<\/tr>\n<tr>\n<td colspan=\"4\">pH\uff1a\uff080-14\uff09\uff1bnhi\u1ec7t \u0111\u1ed9\uff1a\uff080-100\uff09\u2103<\/td>\n<\/tr>\n<tr>\n<td rowspan=\"2\">\u0110\u1ed9 ch\u00ednh x\u00e1c<\/td>\n<td colspan=\"2\">Clorin t\u1ef1 do: \u00b110 ph\u1ea7n tr\u0103m ho\u1eb7c 0,05mg\/L (t\u00f9y theo gi\u00e1 tr\u1ecb n\u00e0o l\u1edbn h\u01a1n), t\u00ednh b\u1eb1ng Cl2; T\u1ed5ng clo: \u00b110 ph\u1ea7n tr\u0103m ho\u1eb7c 0,05mg\/L (t\u00f9y theo gi\u00e1 tr\u1ecb n\u00e0o l\u1edbn h\u01a1n), t\u00ednh b\u1eb1ng Cl2<\/td>\n<td colspan=\"2\">Clor d\u01b0: \u00b110 ph\u1ea7n tr\u0103m ho\u1eb7c 0,25mg\/L (t\u00f9y theo gi\u00e1 tr\u1ecb n\u00e0o l\u1edbn h\u01a1n), t\u00ednh b\u1eb1ng Cl2; T\u1ed5ng clo: \u00b110 ph\u1ea7n tr\u0103m ho\u1eb7c 0,25mg\/L (t\u00f9y theo gi\u00e1 tr\u1ecb n\u00e0o l\u1edbn h\u01a1n), t\u00ednh b\u1eb1ng Cl2<\/td>\n<\/tr>\n<tr>\n<td colspan=\"4\">pH:\u00b10.1pH\uff1bNhi\u1ec7t \u0111\u1ed9.:\u00b10.5\u2103<\/td>\n<\/tr>\n<tr>\n<td>Chu k\u1ef3 \u0111o<\/td>\n<td colspan=\"4\">Clo t\u1ef1 do\u22642,5 ph\u00fat<\/td>\n<\/tr>\n<tr>\n<td>Kho\u1ea3ng th\u1eddi gian l\u1ea5y m\u1eabu<\/td>\n<td colspan=\"4\">Kho\u1ea3ng th\u1eddi gian (1\uff5e999) ph\u00fat c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c \u0111\u1eb7t th\u00e0nh b\u1ea5t k\u1ef3 gi\u00e1 tr\u1ecb n\u00e0o<\/td>\n<\/tr>\n<tr>\n<td>Chu k\u1ef3 b\u1ea3o tr\u00ec<\/td>\n<td colspan=\"4\">Khuy\u1ebfn ngh\u1ecb m\u1ed7i th\u00e1ng m\u1ed9t l\u1ea7n (xem ch\u01b0\u01a1ng b\u1ea3o tr\u00ec)<\/td>\n<\/tr>\n<tr>\n<td>M\u00f4i tr\u01b0\u1eddng<\/td>\n<td colspan=\"4\" rowspan=\"2\">Ph\u00f2ng th\u00f4ng tho\u00e1ng, kh\u00f4 r\u00e1o kh\u00f4ng b\u1ecb rung l\u1eafc m\u1ea1nh; Nhi\u1ec7t \u0111\u1ed9 ph\u00f2ng \u0111\u1ec1 xu\u1ea5t: (15 \uff5e 28)\u2103; \u0111\u1ed9 \u1ea9m t\u01b0\u01a1ng \u0111\u1ed1i: \u226485 ph\u1ea7n tr\u0103m (kh\u00f4ng ng\u01b0ng t\u1ee5).<\/td>\n<\/tr>\n<tr>\n<td>y\u00eau c\u1ea7u<\/td>\n<\/tr>\n<tr>\n<td>D\u00f2ng n\u01b0\u1edbc m\u1eabu<\/td>\n<td colspan=\"4\">\uff08200-400\uff09 mL\/ph\u00fat<\/td>\n<\/tr>\n<tr>\n<td>\u00e1p l\u1ef1c n\u01b0\u1edbc \u0111\u1ea7u v\u00e0o<\/td>\n<td colspan=\"4\">\uff080.1-0.3\uff09 thanh<\/td>\n<\/tr>\n<tr>\n<td>Ph\u1ea1m vi nhi\u1ec7t \u0111\u1ed9 n\u01b0\u1edbc \u0111\u1ea7u v\u00e0o<\/td>\n<td colspan=\"4\">\uff080-40\uff09\u2103<\/td>\n<\/tr>\n<tr>\n<td>Ngu\u1ed3n \u0111i\u1ec7n<\/td>\n<td colspan=\"4\">AC (100-240)V\uff1b 50\/60Hz<\/td>\n<\/tr>\n<tr>\n<td>Ti\u00eau th\u1ee5<\/td>\n<td colspan=\"4\">120W<\/td>\n<\/tr>\n<tr>\n<td>K\u1ebft n\u1ed1i ngu\u1ed3n<\/td>\n<td colspan=\"4\">D\u00e2y ngu\u1ed3n 3 l\u00f5i c\u00f3 ph\u00edch c\u1eafm \u0111\u01b0\u1ee3c n\u1ed1i v\u00e0o \u1ed5 c\u1eafm \u0111i\u1ec7n b\u1eb1ng d\u00e2y n\u1ed1i \u0111\u1ea5t<\/td>\n<\/tr>\n<tr>\n<td>\u0110\u1ea7u ra d\u1eef li\u1ec7u<\/td>\n<td colspan=\"4\">RS232\/RS485\/\uff084\uff5e20\uff09mA<\/td>\n<\/tr>\n<tr>\n<td>K\u00edch th\u01b0\u1edbc k\u00edch th\u01b0\u1edbc<\/td>\n<td colspan=\"4\">H*W*D:\uff08800*400*200\uff09mm<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/figure>\n<p>Ngo\u00e0i \u0111i\u1ec7n c\u1ef1c m\u00e0ng th\u1ee7y tinh, c\u00f2n c\u00f3 c\u00e1c lo\u1ea1i \u0111i\u1ec7n c\u1ef1c \u0111o pH kh\u00e1c nh\u01b0 \u0111i\u1ec7n c\u1ef1c r\u1eafn v\u00e0 \u0111i\u1ec7n c\u1ef1c k\u1ebft h\u1ee3p. C\u00e1c \u0111i\u1ec7n c\u1ef1c th\u1ec3 r\u1eafn s\u1eed d\u1ee5ng c\u1ea3m bi\u1ebfn tr\u1ea1ng th\u00e1i r\u1eafn thay v\u00ec m\u00e0ng th\u1ee7y tinh \u0111\u1ec3 \u0111o \u0111\u1ed9 pH, trong khi c\u00e1c \u0111i\u1ec7n c\u1ef1c k\u1ebft h\u1ee3p k\u1ebft h\u1ee3p \u0111i\u1ec7n c\u1ef1c pH v\u1edbi \u0111i\u1ec7n c\u1ef1c tham chi\u1ebfu trong m\u1ed9t v\u1ecf duy nh\u1ea5t.<\/p>\n<figure class=\"wp-block-table\">\n<table>\n<tbody>\n<tr>\n<td>CCT-3300<\/td>\n<td><\/td>\n<td><\/td>\n<td><\/td>\n<td><\/td>\n<\/tr>\n<tr>\n<td>Kh\u00f4ng \u0111\u1ed5i<\/td>\n<td>10,00cm-1<\/td>\n<td>1.000cm-1<\/td>\n<td>0.100cm-1<\/td>\n<td>0,010cm-1<\/td>\n<\/tr>\n<tr>\n<td rowspan=\"2\">\u0110\u1ed9 d\u1eabn \u0111i\u1ec7n<\/td>\n<td>(500\uff5e20.000)<\/td>\n<td>(1.0\uff5e2.000)<\/td>\n<td>(0.5\uff5e200)<\/td>\n<td>(0,05\uff5e18,25)<\/td>\n<\/tr>\n<tr>\n<td>\u03bcS\/cm<\/td>\n<td>\u03bcS\/cm<\/td>\n<td>\u03bcS\/cm<\/td>\n<td>M\u03a9\u00b7cm<\/td>\n<\/tr>\n<tr>\n<td rowspan=\"2\">TDS<\/td>\n<td>(250\uff5e10.000)<\/td>\n<td>(0,5\uff5e1,000)<\/td>\n<td>(0,25\uff5e100)<\/td>\n<td rowspan=\"2\">\u2014\u2014<\/td>\n<\/tr>\n<tr>\n<td>ppm<\/td>\n<td>ppm<\/td>\n<td>ppm<\/td>\n<\/tr>\n<tr>\n<td>Nhi\u1ec7t \u0111\u1ed9 trung b\u00ecnh.<\/td>\n<td colspan=\"4\">(0\uff5e50)\u2103\uff08Nhi\u1ec7t \u0111\u1ed9. B\u1ed3i th\u01b0\u1eddng : NTC10K\uff09<\/td>\n<\/tr>\n<tr>\n<td rowspan=\"3\">\u0110\u1ed9 ph\u00e2n gi\u1ea3i<\/td>\n<td colspan=\"4\">\u0110\u1ed9 d\u1eabn \u0111i\u1ec7n: 0,01\u03bcS\/cm\uff1b0,01mS\/cm<\/td>\n<\/tr>\n<tr>\n<td colspan=\"4\">TDS: 0,01ppm<\/td>\n<\/tr>\n<tr>\n<td colspan=\"4\">Nhi\u1ec7t \u0111\u1ed9: 0,1\u2103<\/td>\n<\/tr>\n<tr>\n<td rowspan=\"4\">\u0110\u1ed9 ch\u00ednh x\u00e1c<\/td>\n<td colspan=\"4\">\u0110\u1ed9 d\u1eabn \u0111i\u1ec7n:1,5% \uff08FS\uff09<\/td>\n<\/tr>\n<tr>\n<td colspan=\"4\">\u0110i\u1ec7n tr\u1edf su\u1ea5t: 2,0% \uff08FS\uff09<\/td>\n<\/tr>\n<tr>\n<td colspan=\"4\">TDS:1,5% \uff08FS\uff09<\/td>\n<\/tr>\n<tr>\n<td colspan=\"4\">Nhi\u1ec7t \u0111\u1ed9:\u00b10.5\u2103<\/td>\n<\/tr>\n<tr>\n<td>\u0110\u1ea7u Ra T\u01b0\u01a1ng T\u1ef1<\/td>\n<td colspan=\"4\">B\u1ed9 ph\u00e1t\/b\u1ed9 ph\u00e1t \u0111\u01a1n c\u00e1ch ly(4\uff5e20)mA\uff0cin \u0111\u1ec3 l\u1ef1a ch\u1ecdn<\/td>\n<\/tr>\n<tr>\n<td>\u0110\u1ea7u Ra \u0110i\u1ec1u Khi\u1ec3n<\/td>\n<td colspan=\"4\">R\u01a1le SPDT\uff0cC\u00f4ng su\u1ea5t t\u1ea3i: AC 230V\/50A(T\u1ed1i \u0111a)<\/td>\n<\/tr>\n<tr>\n<td>M\u00f4i tr\u01b0\u1eddng l\u00e0m vi\u1ec7c<\/td>\n<td colspan=\"4\">Nhi\u1ec7t \u0111\u1ed9: v\u00e0 nbsp;(0\uff5e50)\u2103\uff1b\u0110\u1ed9 \u1ea9m t\u01b0\u01a1ng \u0111\u1ed1i\uff1a v\u00e0 nbsp;\u226485 ph\u1ea7n tr\u0103m RH(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=\"4\">Nhi\u1ec7t \u0111\u1ed9:(-20\uff5e60)\u2103; \u0110\u1ed9 \u1ea9m t\u01b0\u01a1ng \u0111\u1ed1i v\u00e0 nbsp;\u226485 ph\u1ea7n tr\u0103m RH(kh\u00f4ng ng\u01b0ng t\u1ee5)<\/td>\n<\/tr>\n<tr>\n<td>Ngu\u1ed3n \u0111i\u1ec7n<\/td>\n<td colspan=\"4\">DC 24V\/AC 110V\/AC 220V\u00b115 ph\u1ea7n tr\u0103m \uff08\u0111\u1ec3 l\u1ef1a ch\u1ecdn\uff09<\/td>\n<\/tr>\n<tr>\n<td>K\u00edch th\u01b0\u1edbc<\/td>\n<td colspan=\"4\">48mm\u00d796mm\u00d780mm (H\u00d7W\u00d7D)<\/td>\n<\/tr>\n<tr>\n<td>K\u00edch th\u01b0\u1edbc l\u1ed7<\/td>\n<td colspan=\"4\">44mm\u00d792mm (H\u00d7W)<\/td>\n<\/tr>\n<tr>\n<td>C\u00e0i \u0111\u1eb7t<\/td>\n<td colspan=\"4\">G\u1eafn b\u1ea3ng \u0111i\u1ec1u khi\u1ec3n, l\u1eafp \u0111\u1eb7t nhanh<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/figure>\n<p>T\u00f3m l\u1ea1i, \u0111i\u1ec7n c\u1ef1c m\u00e1y \u0111o pH ho\u1ea1t \u0111\u1ed9ng b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng m\u00e0ng th\u1ee7y tinh nh\u1ea1y c\u1ea3m v\u1edbi c\u00e1c ion hydro trong dung d\u1ecbch. Khi \u0111i\u1ec7n c\u1ef1c \u0111\u01b0\u1ee3c ng\u00e2m trong dung d\u1ecbch, c\u00e1c ion hydro t\u01b0\u01a1ng t\u00e1c v\u1edbi m\u00e0ng th\u1ee7y tinh, g\u00e2y ra s\u1ef1 ch\u00eanh l\u1ec7ch \u0111i\u1ec7n th\u1ebf gi\u1eefa b\u00ean trong v\u00e0 b\u00ean ngo\u00e0i \u0111i\u1ec7n c\u1ef1c. S\u1ef1 ch\u00eanh l\u1ec7ch \u0111i\u1ec7n th\u1ebf n\u00e0y \u0111\u01b0\u1ee3c \u0111o b\u1eb1ng m\u00e1y \u0111o pH v\u00e0 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 t\u00ednh \u0111\u1ed9 pH c\u1ee7a dung d\u1ecbch. Hi\u1ec7u chu\u1ea9n \u0111i\u1ec7n c\u1ef1c m\u00e1y \u0111o pH l\u00e0 \u0111i\u1ec1u c\u1ea7n thi\u1ebft \u0111\u1ec3 \u0111o pH ch\u00ednh x\u00e1c v\u00e0 c\u00f3 nhi\u1ec1u lo\u1ea1i \u0111i\u1ec7n c\u1ef1c m\u00e1y \u0111o pH kh\u00e1c nhau d\u00e0nh cho c\u00e1c \u1ee9ng d\u1ee5ng kh\u00e1c nhau. Hi\u1ec3u c\u00e1ch ho\u1ea1t \u0111\u1ed9ng c\u1ee7a \u0111i\u1ec7n c\u1ef1c m\u00e1y \u0111o pH l\u00e0 \u0111i\u1ec1u c\u1ea7n thi\u1ebft \u0111\u1ed1i v\u1edbi b\u1ea5t k\u1ef3 ai s\u1eed d\u1ee5ng m\u00e1y \u0111o pH \u0111\u1ec3 \u0111o pH.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>&#8220;\u0110o ch\u00ednh x\u00e1c, k\u1ebft qu\u1ea3 ch\u00ednh x\u00e1c &#8211; s\u1ee9c m\u1ea1nh c\u1ee7a \u0111i\u1ec7n c\u1ef1c m\u00e1y \u0111o pH.&#8221; T\u00ecm hi\u1ec3u ki\u1ebfn \u200b\u200bth\u1ee9c c\u01a1 b\u1ea3n v\u1ec1 \u0111i\u1ec7n c\u1ef1c m\u00e1y \u0111o pH \u0110i\u1ec7n c\u1ef1c m\u00e1y \u0111o pH l\u00e0 th\u00e0nh ph\u1ea7n quan tr\u1ecdng c\u1ee7a m\u00e1y \u0111o pH, thi\u1ebft b\u1ecb d\u00f9ng \u0111\u1ec3 \u0111o \u0111\u1ed9 axit ho\u1eb7c \u0111\u1ed9 ki\u1ec1m c\u1ee7a dung d\u1ecbch&#8230;.<\/p>\n","protected":false},"author":1,"featured_media":2031,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_kad_post_transparent":"","_kad_post_title":"","_kad_post_layout":"","_kad_post_sidebar_id":"","_kad_post_content_style":"","_kad_post_vertical_padding":"","_kad_post_feature":"","_kad_post_feature_position":"","_kad_post_header":false,"_kad_post_footer":false},"categories":[200],"tags":[],"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":false,"content":false,"excerpt":false},"es":{"title":false,"content":false,"excerpt":false},"de":{"title":true,"content":true,"excerpt":false},"fr":{"title":true,"content":true,"excerpt":false},"ru":{"title":false,"content":false,"excerpt":false},"pt":{"title":false,"content":false,"excerpt":false},"ar":{"title":false,"content":false,"excerpt":false},"ja":{"title":true,"content":true,"excerpt":false},"ko":{"title":false,"content":false,"excerpt":false},"it":{"title":false,"content":false,"excerpt":false},"id":{"title":false,"content":false,"excerpt":false},"hi":{"title":false,"content":false,"excerpt":false},"th":{"title":false,"content":false,"excerpt":false},"vi":{"title":true,"content":true,"excerpt":false},"tr":{"title":false,"content":false,"excerpt":false}}},"_links":{"self":[{"href":"https:\/\/shchimay.com\/vi\/wp-json\/wp\/v2\/posts\/9688"}],"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=9688"}],"version-history":[{"count":7,"href":"https:\/\/shchimay.com\/vi\/wp-json\/wp\/v2\/posts\/9688\/revisions"}],"predecessor-version":[{"id":9728,"href":"https:\/\/shchimay.com\/vi\/wp-json\/wp\/v2\/posts\/9688\/revisions\/9728"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/shchimay.com\/vi\/wp-json\/wp\/v2\/media\/2031"}],"wp:attachment":[{"href":"https:\/\/shchimay.com\/vi\/wp-json\/wp\/v2\/media?parent=9688"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/shchimay.com\/vi\/wp-json\/wp\/v2\/categories?post=9688"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/shchimay.com\/vi\/wp-json\/wp\/v2\/tags?post=9688"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}