{"id":26688,"date":"2024-09-13T14:02:14","date_gmt":"2024-09-13T06:02:14","guid":{"rendered":"https:\/\/chimaytech.net\/?p=26688"},"modified":"2024-09-15T10:35:30","modified_gmt":"2024-09-15T02:35:30","slug":"ph-meter-offset","status":"publish","type":"post","link":"https:\/\/chimaytech.net\/vi\/ph-meter-offset\/","title":{"rendered":"b\u00f9 \u0111o ph"},"content":{"rendered":"<h1 id=\"understanding-the-importance-of-ph-meter-offset-in-measurements-wpaicgheading\">Hi\u1ec3u t\u1ea7m quan tr\u1ecdng c\u1ee7a \u0111\u1ed9 l\u1ec7ch c\u1ee7a m\u00e1y \u0111o pH trong c\u00e1c ph\u00e9p \u0111o<\/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, x\u1eed l\u00fd n\u01b0\u1edbc v\u00e0 nghi\u00ean c\u1ee9u khoa h\u1ecdc. 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 ph\u00e1t hi\u1ec7n n\u1ed3ng \u0111\u1ed9 c\u1ee7a c\u00e1c ion hydro c\u00f3 trong dung d\u1ecbch. Tuy nhi\u00ean, \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o c\u00e1c ph\u00e9p \u0111o ch\u00ednh x\u00e1c v\u00e0 \u0111\u00e1ng tin c\u1eady, \u0111i\u1ec1u quan tr\u1ecdng l\u00e0 ph\u1ea3i hi\u1ec3u v\u00e0 t\u00ednh to\u00e1n \u0111\u1ed9 l\u1ec7ch c\u1ee7a m\u00e1y \u0111o pH.<\/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 kinh t\u1ebf CM-230S<\/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>0-100\/1000\/2000\/5000PPM<\/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 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>Ti\u00eau chu\u1ea9n: ABS C=1.0cm<sup>-1<\/sup> (nh\u1eefng c\u00e1i kh\u00e1c l\u00e0 t\u00f9y ch\u1ecdn)<\/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>Kh\u00f4ng Ch\u1ec9nh S\u1eeda<\/td>\n<td>Ch\u1ec9nh th\u1ee7 c\u00f4ng cho ph\u1ea1m vi th\u1ea5p 0,05-10ppm \u0110\u1eb7t t\u1eeb ECO<\/td>\n<\/tr>\n<tr>\n<td>Hi\u1ec3n Th\u1ecb \u0110\u01a1n V\u1ecb<\/td>\n<td>uS\/cm ho\u1eb7c PPM<\/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>\n\u0110\u1ed9 l\u1ec7ch c\u1ee7a m\u00e1y \u0111o pH \u0111\u1ec1 c\u1eadp \u0111\u1ebfn s\u1ef1 ch\u00eanh l\u1ec7ch gi\u1eefa gi\u00e1 tr\u1ecb pH th\u1ef1c t\u1ebf c\u1ee7a dung d\u1ecbch v\u00e0 s\u1ed1 \u0111\u1ecdc hi\u1ec3n th\u1ecb tr\u00ean m\u00e1y \u0111o pH. S\u1ef1 b\u00f9 \u0111\u1eafp n\u00e0y c\u00f3 th\u1ec3 x\u1ea3y ra do nhi\u1ec1u y\u1ebfu t\u1ed1 kh\u00e1c nhau, ch\u1eb3ng h\u1ea1n nh\u01b0 l\u00e3o h\u00f3a \u0111i\u1ec7n c\u1ef1c, dao \u0111\u1ed9ng nhi\u1ec7t \u0111\u1ed9 v\u00e0 nhi\u1ec5m b\u1ea9n \u0111i\u1ec7n c\u1ef1c. N\u1ebfu kh\u00f4ng \u0111\u01b0\u1ee3c x\u1eed l\u00fd \u0111\u00fang c\u00e1ch, \u0111\u1ed9 l\u1ec7ch c\u1ee7a m\u00e1y \u0111o pH c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn c\u00e1c ph\u00e9p \u0111o kh\u00f4ng ch\u00ednh x\u00e1c, \u0111i\u1ec1u n\u00e0y c\u00f3 th\u1ec3 g\u00e2y ra h\u1eadu qu\u1ea3 nghi\u00eam tr\u1ecdng trong c\u00e1c ng\u00e0nh m\u00e0 vi\u1ec7c ki\u1ec3m so\u00e1t \u0111\u1ed9 pH ch\u00ednh x\u00e1c l\u00e0 r\u1ea5t quan tr\u1ecdng.<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/chimaytech.net\/wp-content\/uploads\/2024\/09\/Main-071.png\" alt=\"alt-482\" class=\"wp-image-482\" id=\"i482\" \/><\/p>\n<p>M\u1ed9t nguy\u00ean nh\u00e2n ph\u1ed5 bi\u1ebfn khi\u1ebfn m\u00e1y \u0111o pH b\u1ecb l\u1ec7ch l\u00e0 do \u0111i\u1ec7n c\u1ef1c b\u1ecb l\u00e3o h\u00f3a. Theo th\u1eddi gian, m\u00e0ng th\u1ee7y tinh nh\u1ea1y c\u1ea3m c\u1ee7a \u0111i\u1ec7n c\u1ef1c c\u00f3 th\u1ec3 b\u1ecb m\u00f2n ho\u1eb7c h\u01b0 h\u1ecfng, \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn kh\u1ea3 n\u0103ng ph\u00e1t hi\u1ec7n ch\u00ednh x\u00e1c c\u00e1c ion hydro. \u0110i\u1ec1u n\u00e0y c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn s\u1ef1 sai l\u1ec7ch trong ch\u1ec9 s\u1ed1 pH hi\u1ec3n th\u1ecb tr\u00ean m\u00e1y \u0111o, d\u1eabn \u0111\u1ebfn k\u1ebft qu\u1ea3 \u0111o kh\u00f4ng ch\u00ednh x\u00e1c. \u0110\u1ec3 ng\u0103n ng\u1eeba l\u00e3o h\u00f3a \u0111i\u1ec7n c\u1ef1c v\u00e0 gi\u1ea3m thi\u1ec3u \u0111\u1ed9 l\u1ec7ch c\u1ee7a m\u00e1y \u0111o pH, \u0111i\u1ec1u c\u1ea7n thi\u1ebft l\u00e0 ph\u1ea3i th\u01b0\u1eddng xuy\u00ean hi\u1ec7u chu\u1ea9n v\u00e0 b\u1ea3o tr\u00ec m\u00e1y \u0111o pH theo h\u01b0\u1edbng d\u1eabn c\u1ee7a nh\u00e0 s\u1ea3n xu\u1ea5t.<\/p>\n<p>Bi\u1ebfn \u0111\u1ed9ng nhi\u1ec7t \u0111\u1ed9 c\u0169ng c\u00f3 th\u1ec3 g\u00f3p ph\u1ea7n b\u00f9 v\u00e0o \u0111\u1ed9 l\u1ec7ch c\u1ee7a m\u00e1y \u0111o pH. 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 v\u00e0 th\u1eddi gian \u0111\u00e1p \u1ee9ng c\u1ee7a \u0111i\u1ec7n c\u1ef1c, d\u1eabn \u0111\u1ebfn k\u1ebft qu\u1ea3 \u0111o pH kh\u00f4ng ch\u00ednh x\u00e1c. \u0110\u1ec3 b\u00f9 \u0111\u1eafp cho s\u1ef1 thay \u0111\u1ed5i nhi\u1ec7t \u0111\u1ed9, nhi\u1ec1u m\u00e1y \u0111o pH hi\u1ec7n \u0111\u1ea1i \u0111\u01b0\u1ee3c trang b\u1ecb t\u00ednh n\u0103ng b\u00f9 nhi\u1ec7t \u0111\u1ed9 t\u1ef1 \u0111\u1ed9ng (ATC). Nh\u1eefng t\u00ednh n\u0103ng n\u00e0y \u0111i\u1ec1u ch\u1ec9nh ch\u1ec9 s\u1ed1 pH d\u1ef1a tr\u00ean nhi\u1ec7t \u0111\u1ed9 c\u1ee7a dung d\u1ecbch, \u0111\u1ea3m b\u1ea3o k\u1ebft qu\u1ea3 ch\u00ednh x\u00e1c h\u01a1n.<\/p>\n<p>\u00d4 nhi\u1ec5m \u0111i\u1ec7n c\u1ef1c l\u00e0 m\u1ed9t y\u1ebfu t\u1ed1 kh\u00e1c c\u00f3 th\u1ec3 khi\u1ebfn m\u00e1y \u0111o pH b\u1ecb l\u1ec7ch. C\u00e1c ch\u1ea5t g\u00e2y \u00f4 nhi\u1ec5m nh\u01b0 d\u1ea7u, protein v\u00e0 c\u00e1c ch\u1ea5t kh\u00e1c c\u00f3 th\u1ec3 t\u00edch t\u1ee5 tr\u00ean b\u1ec1 m\u1eb7t \u0111i\u1ec7n c\u1ef1c, c\u1ea3n tr\u1edf kh\u1ea3 n\u0103ng ph\u00e1t hi\u1ec7n c\u00e1c ion hydro. \u0110i\u1ec1u n\u00e0y c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn k\u1ebft qu\u1ea3 \u0111o pH th\u1ea5t th\u01b0\u1eddng v\u00e0 sai s\u1ed1 b\u00f9 \u0111\u1eafp. \u0110\u1ec3 ng\u0103n ng\u1eeba nhi\u1ec5m b\u1ea9n \u0111i\u1ec7n c\u1ef1c v\u00e0 gi\u1ea3m thi\u1ec3u \u0111\u1ed9 l\u1ec7ch c\u1ee7a m\u00e1y \u0111o pH, \u0111i\u1ec1u c\u1ea7n thi\u1ebft l\u00e0 ph\u1ea3i v\u1ec7 sinh v\u00e0 b\u1ea3o qu\u1ea3n \u0111i\u1ec7n c\u1ef1c \u0111\u00fang c\u00e1ch sau m\u1ed7i l\u1ea7n s\u1eed d\u1ee5ng.<\/p>\n<p>Ngo\u00e0i nh\u1eefng y\u1ebfu t\u1ed1 n\u00e0y, vi\u1ec7c hi\u1ec7u chu\u1ea9n v\u00e0 b\u1ea3o tr\u00ec kh\u00f4ng \u0111\u00fang c\u00e1ch c\u0169ng c\u00f3 th\u1ec3 g\u00f3p ph\u1ea7n g\u00e2y ra \u0111\u1ed9 l\u1ec7ch c\u1ee7a m\u00e1y \u0111o pH. N\u1ebfu m\u00e1y \u0111o pH kh\u00f4ng \u0111\u01b0\u1ee3c hi\u1ec7u chu\u1ea9n ch\u00ednh x\u00e1c ho\u1eb7c n\u1ebfu \u0111i\u1ec7n c\u1ef1c kh\u00f4ng \u0111\u01b0\u1ee3c b\u1ea3o tr\u00ec \u0111\u00fang c\u00e1ch, c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn k\u1ebft qu\u1ea3 \u0111o pH kh\u00f4ng ch\u00ednh x\u00e1c. \u0110\u1ec3 \u0111\u1ea3m b\u1ea3o k\u1ebft qu\u1ea3 ch\u00ednh x\u00e1c v\u00e0 \u0111\u00e1ng tin c\u1eady, \u0111i\u1ec1u c\u1ea7n thi\u1ebft l\u00e0 ph\u1ea3i tu\u00e2n theo h\u01b0\u1edbng d\u1eabn c\u1ee7a nh\u00e0 s\u1ea3n xu\u1ea5t v\u1ec1 hi\u1ec7u chu\u1ea9n, b\u1ea3o tr\u00ec v\u00e0 b\u1ea3o qu\u1ea3n m\u00e1y \u0111o pH v\u00e0 \u0111i\u1ec7n c\u1ef1c.<\/p>\n<div class=\"entry-content-asset videofit\"><iframe loading=\"lazy\" title=\"80MA Pressure Sensor\" width=\"720\" height=\"405\" src=\"https:\/\/www.youtube.com\/embed\/R2pLqwrP4e0?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>T\u00f3m l\u1ea1i, \u0111\u1ed9 l\u1ec7ch c\u1ee7a m\u00e1y \u0111o pH l\u00e0 y\u1ebfu t\u1ed1 quan tr\u1ecdng c\u1ea7n xem x\u00e9t khi s\u1eed d\u1ee5ng m\u00e1y \u0111o pH \u0111\u1ec3 \u0111o. B\u1eb1ng c\u00e1ch hi\u1ec3u r\u00f5 nguy\u00ean nh\u00e2n g\u00e2y ra sai l\u1ec7ch c\u1ee7a m\u00e1y \u0111o pH v\u00e0 th\u1ef1c hi\u1ec7n c\u00e1c b\u01b0\u1edbc \u0111\u1ec3 gi\u1ea3m thi\u1ec3u t\u00e1c \u0111\u1ed9ng c\u1ee7a n\u00f3, ng\u01b0\u1eddi d\u00f9ng c\u00f3 th\u1ec3 \u0111\u1ea3m b\u1ea3o c\u00e1c ph\u00e9p \u0111o pH ch\u00ednh x\u00e1c v\u00e0 \u0111\u00e1ng tin c\u1eady. Hi\u1ec7u chu\u1ea9n, b\u1ea3o tr\u00ec th\u01b0\u1eddng xuy\u00ean v\u00e0 b\u1ea3o qu\u1ea3n m\u00e1y \u0111o pH v\u00e0 \u0111i\u1ec7n c\u1ef1c \u0111\u00fang c\u00e1ch l\u00e0 nh\u1eefng bi\u1ec7n ph\u00e1p c\u1ea7n thi\u1ebft \u0111\u1ec3 ng\u0103n ng\u1eeba l\u1ed7i b\u00f9. B\u1eb1ng c\u00e1ch gi\u1ea3i quy\u1ebft v\u1ea5n \u0111\u1ec1 b\u00f9 \u0111\u1eafp m\u00e1y \u0111o pH m\u1ed9t c\u00e1ch hi\u1ec7u qu\u1ea3, c\u00e1c ng\u00e0nh c\u00f4ng nghi\u1ec7p c\u00f3 th\u1ec3 duy tr\u00ec ki\u1ec3m so\u00e1t ch\u1ea5t l\u01b0\u1ee3ng, \u0111\u1ea3m b\u1ea3o an to\u00e0n s\u1ea3n ph\u1ea9m v\u00e0 \u0111\u1ea1t \u0111\u01b0\u1ee3c k\u1ebft qu\u1ea3 t\u1ed1i \u01b0u trong quy tr\u00ecnh c\u1ee7a m\u00ecnh.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Hi\u1ec3u t\u1ea7m quan tr\u1ecdng c\u1ee7a \u0111\u1ed9 l\u1ec7ch c\u1ee7a m\u00e1y \u0111o pH trong c\u00e1c ph\u00e9p \u0111o 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, x\u1eed l\u00fd n\u01b0\u1edbc v\u00e0 nghi\u00ean c\u1ee9u khoa h\u1ecdc. C\u00e1c thi\u1ebft b\u1ecb n\u00e0y \u0111o \u0111\u1ed9&#8230;<\/p>\n","protected":false},"author":1,"featured_media":26692,"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":[87077,87669,87716],"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\/26688"}],"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=26688"}],"version-history":[{"count":16,"href":"https:\/\/chimaytech.net\/vi\/wp-json\/wp\/v2\/posts\/26688\/revisions"}],"predecessor-version":[{"id":27042,"href":"https:\/\/chimaytech.net\/vi\/wp-json\/wp\/v2\/posts\/26688\/revisions\/27042"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/chimaytech.net\/vi\/wp-json\/wp\/v2\/media\/26692"}],"wp:attachment":[{"href":"https:\/\/chimaytech.net\/vi\/wp-json\/wp\/v2\/media?parent=26688"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/chimaytech.net\/vi\/wp-json\/wp\/v2\/categories?post=26688"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/chimaytech.net\/vi\/wp-json\/wp\/v2\/tags?post=26688"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}