{"id":27764,"date":"2024-09-21T15:46:16","date_gmt":"2024-09-21T07:46:16","guid":{"rendered":"https:\/\/shchimay.com\/?p=27764"},"modified":"2024-09-22T10:26:19","modified_gmt":"2024-09-22T02:26:19","slug":"water-flow-sensor-working-principle","status":"publish","type":"post","link":"https:\/\/shchimay.com\/vi\/water-flow-sensor-working-principle\/","title":{"rendered":"nguy\u00ean l\u00fd l\u00e0m vi\u1ec7c c\u1ee7a c\u1ea3m bi\u1ebfn l\u01b0u l\u01b0\u1ee3ng n\u01b0\u1edbc"},"content":{"rendered":"<h1 id=\"understanding-the-working-principle-of-water-flow-sensors-wpaicgheading\">T\u00ecm hi\u1ec3u nguy\u00ean l\u00fd ho\u1ea1t \u0111\u1ed9ng c\u1ee7a c\u1ea3m bi\u1ebfn l\u01b0u l\u01b0\u1ee3ng n\u01b0\u1edbc<\/h1>\n<p>\nC\u1ea3m bi\u1ebfn l\u01b0u l\u01b0\u1ee3ng n\u01b0\u1edbc l\u00e0 thi\u1ebft b\u1ecb thi\u1ebft y\u1ebfu \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong nhi\u1ec1u ng\u00e0nh c\u00f4ng nghi\u1ec7p kh\u00e1c nhau \u0111\u1ec3 \u0111o t\u1ed1c \u0111\u1ed9 d\u00f2ng n\u01b0\u1edbc trong h\u1ec7 th\u1ed1ng. Hi\u1ec3u nguy\u00ean l\u00fd ho\u1ea1t \u0111\u1ed9ng c\u1ee7a c\u00e1c c\u1ea3m bi\u1ebfn n\u00e0y l\u00e0 r\u1ea5t quan tr\u1ecdng \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o c\u00e1c ph\u00e9p \u0111o ch\u00ednh x\u00e1c v\u00e0 \u0111\u00e1ng tin c\u1eady. Trong b\u00e0i vi\u1ebft n\u00e0y, ch\u00fang ta s\u1ebd \u0111i s\u00e2u v\u00e0o nh\u1eefng \u0111i\u1ec3m ph\u1ee9c t\u1ea1p v\u1ec1 c\u00e1ch ho\u1ea1t \u0111\u1ed9ng c\u1ee7a c\u1ea3m bi\u1ebfn l\u01b0u l\u01b0\u1ee3ng n\u01b0\u1edbc v\u00e0 c\u00e1c y\u1ebfu t\u1ed1 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn hi\u1ec7u su\u1ea5t 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>B\u1ed9 \u0111i\u1ec1u khi\u1ec3n \u0111\u1ed9 d\u1eabn\/\u0111i\u1ec7n tr\u1edf EC-810<\/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>0-20\/200mS\/cm 0-18,25M\u03a9<\/td>\n<\/tr>\n<tr>\n<td>\u0110\u1ed9 ch\u00ednh x\u00e1c<\/td>\n<td>\u0110\u1ed9 d\u1eabn \u0111i\u1ec7n:1,5% ;\u00a0 \u0110i\u1ec7n tr\u1edf su\u1ea5t:2,0% (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>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>\u0110\u1ea7u Ra Hi\u1ec7n T\u1ea1i<\/td>\n<td>\u0110\u1ea7u ra 4-20mA\/2-10V\/1-5V<\/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>96\u00d796\u00d7100mm(H\u00d7W\u00d7L)<\/td>\n<\/tr>\n<tr>\n<td>K\u00edch th\u01b0\u1edbc l\u1ed7<\/td>\n<td>92\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>\nTr\u1ecdng t\u00e2m c\u1ee7a c\u1ea3m bi\u1ebfn l\u01b0u l\u01b0\u1ee3ng n\u01b0\u1edbc l\u00e0 c\u01a1 ch\u1ebf ph\u00e1t hi\u1ec7n chuy\u1ec3n \u0111\u1ed9ng c\u1ee7a n\u01b0\u1edbc qua \u0111\u01b0\u1eddng \u1ed1ng ho\u1eb7c k\u00eanh. C\u00f3 m\u1ed9t s\u1ed1 lo\u1ea1i c\u1ea3m bi\u1ebfn l\u01b0u l\u01b0\u1ee3ng n\u01b0\u1edbc, m\u1ed7i lo\u1ea1i s\u1eed d\u1ee5ng c\u00e1c c\u00f4ng ngh\u1ec7 kh\u00e1c nhau \u0111\u1ec3 \u0111o t\u1ed1c \u0111\u1ed9 d\u00f2ng ch\u1ea3y. M\u1ed9t lo\u1ea1i ph\u1ed5 bi\u1ebfn l\u00e0 c\u1ea3m bi\u1ebfn l\u01b0u l\u01b0\u1ee3ng tuabin, bao g\u1ed3m m\u1ed9t r\u00f4to c\u00f3 c\u00e1c c\u00e1nh quay khi n\u01b0\u1edbc ch\u1ea3y qua c\u1ea3m bi\u1ebfn. T\u1ed1c \u0111\u1ed9 c\u1ee7a r\u00f4to t\u1ef7 l\u1ec7 thu\u1eadn v\u1edbi t\u1ed1c \u0111\u1ed9 d\u00f2ng ch\u1ea3y c\u1ee7a n\u01b0\u1edbc, cho ph\u00e9p \u0111o ch\u00ednh x\u00e1c.<\/p>\n<p>M\u1ed9t lo\u1ea1i c\u1ea3m bi\u1ebfn l\u01b0u l\u01b0\u1ee3ng n\u01b0\u1edbc kh\u00e1c l\u00e0 c\u1ea3m bi\u1ebfn l\u01b0u l\u01b0\u1ee3ng \u0111i\u1ec7n t\u1eeb, s\u1eed d\u1ee5ng \u0111\u1ecbnh lu\u1eadt c\u1ea3m \u1ee9ng \u0111i\u1ec7n t\u1eeb Faraday \u0111\u1ec3 \u0111o t\u1ed1c \u0111\u1ed9 d\u00f2ng ch\u1ea3y. Trong c\u1ea3m bi\u1ebfn n\u00e0y, m\u1ed9t t\u1eeb tr\u01b0\u1eddng \u0111\u01b0\u1ee3c \u0111\u1eb7t v\u00e0o d\u00f2ng n\u01b0\u1edbc \u0111ang ch\u1ea3y v\u00e0 c\u00e1c \u0111i\u1ec7n c\u1ef1c \u0111o \u0111i\u1ec7n \u00e1p \u0111\u01b0\u1ee3c t\u1ea1o ra khi n\u01b0\u1edbc \u0111i qua t\u1eeb tr\u01b0\u1eddng. \u0110i\u1ec7n \u00e1p t\u1ef7 l\u1ec7 thu\u1eadn v\u1edbi t\u1ed1c \u0111\u1ed9 d\u00f2ng ch\u1ea3y, cung c\u1ea5p s\u1ed1 \u0111o l\u01b0u l\u01b0\u1ee3ng n\u01b0\u1edbc ch\u00ednh x\u00e1c.<\/p>\n<p>C\u1ea3m bi\u1ebfn l\u01b0u l\u01b0\u1ee3ng si\u00eau \u00e2m c\u0169ng th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong \u0111o l\u01b0u l\u01b0\u1ee3ng n\u01b0\u1edbc. Nh\u1eefng c\u1ea3m bi\u1ebfn n\u00e0y s\u1eed d\u1ee5ng s\u00f3ng si\u00eau \u00e2m \u0111\u1ec3 \u0111o v\u1eadn t\u1ed1c n\u01b0\u1edbc ch\u1ea3y qua \u0111\u01b0\u1eddng \u1ed1ng. B\u1eb1ng c\u00e1ch \u0111o th\u1eddi gian \u0111\u1ec3 s\u00f3ng si\u00eau \u00e2m truy\u1ec1n ng\u01b0\u1ee3c d\u00f2ng v\u00e0 xu\u00f4i d\u00f2ng, c\u1ea3m bi\u1ebfn c\u00f3 th\u1ec3 t\u00ednh to\u00e1n t\u1ed1c \u0111\u1ed9 d\u00f2ng ch\u1ea3y c\u1ee7a n\u01b0\u1edbc. C\u1ea3m bi\u1ebfn l\u01b0u l\u01b0\u1ee3ng si\u00eau \u00e2m kh\u00f4ng x\u00e2m l\u1ea5n v\u00e0 c\u00f3 th\u1ec3 l\u1eafp \u0111\u1eb7t d\u1ec5 d\u00e0ng m\u00e0 kh\u00f4ng l\u00e0m gi\u00e1n \u0111o\u1ea1n d\u00f2ng n\u01b0\u1edbc.<\/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-27764-1\" width=\"640\" height=\"360\" preload=\"metadata\" controls=\"controls\"><source type=\"video\/mp4\" src=\"http:\/\/shchimay.com\/wp-content\/uploads\/2023\/11\/ROS-360-7\u5bf8\u89e6\u6478\u5c4fRO\u7a0b\u63a7\u5668\u53cc\u8def\u7535\u5bfc%20u7387.mp4?_=1\" \/><a href=\"http:\/\/shchimay.com\/wp-content\/uploads\/2023\/11\/ROS-360-7\u5bf8\u89e6\u6478\u5c4fRO\u7a0b\u63a7\u5668\u53cc\u8def\u7535\u5bfc%20u7387.mp4\">http:\/\/shchimay.com\/wp-content\/uploads\/2023\/11\/ROS-360-7\u5bf8\u89e6\u6478\u5c4fRO\u7a0b\u63a7\u5668\u53cc\u8def\u7535\u5bfc%20u7387.mp4<\/a><\/video><\/div>Nguy\u00ean l\u00fd ho\u1ea1t \u0111\u1ed9ng c\u1ee7a c\u1ea3m bi\u1ebfn l\u01b0u l\u01b0\u1ee3ng n\u01b0\u1edbc b\u1ecb \u1ea3nh h\u01b0\u1edfng b\u1edfi m\u1ed9t s\u1ed1 y\u1ebfu t\u1ed1, bao g\u1ed3m lo\u1ea1i c\u1ea3m bi\u1ebfn, \u0111\u1eb7c t\u00ednh c\u1ee7a n\u01b0\u1edbc \u0111\u01b0\u1ee3c \u0111o v\u00e0 \u0111i\u1ec1u ki\u1ec7n m\u00f4i tr\u01b0\u1eddng. V\u00ed d\u1ee5, \u0111\u1ed9 nh\u1edbt v\u00e0 nhi\u1ec7t \u0111\u1ed9 c\u1ee7a n\u01b0\u1edbc c\u00f3 th\u1ec3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn \u0111\u1ed9 ch\u00ednh x\u00e1c c\u1ee7a ph\u00e9p \u0111o \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n b\u1edfi c\u1ea3m bi\u1ebfn l\u01b0u l\u01b0\u1ee3ng n\u01b0\u1edbc. \u0110i\u1ec1u quan tr\u1ecdng l\u00e0 ph\u1ea3i hi\u1ec7u ch\u1ec9nh c\u1ea3m bi\u1ebfn th\u01b0\u1eddng xuy\u00ean \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o k\u1ebft qu\u1ea3 \u0111\u1ecdc ch\u00ednh x\u00e1c.<\/p>\n<p><img decoding=\"async\" src=\"http:\/\/shchimay.com\/wp-content\/uploads\/2023\/11\/EC-1800-Water-treatment-industry-online-conductivity-meter.png\" alt=\"alt-648\" class=\"wp-image-648\" id=\"i648\" \/><\/p>\n<p>Ngo\u00e0i vi\u1ec7c \u0111o t\u1ed1c \u0111\u1ed9 d\u00f2ng ch\u1ea3y, c\u1ea3m bi\u1ebfn l\u01b0u l\u01b0\u1ee3ng n\u01b0\u1edbc c\u00f2n c\u00f3 th\u1ec3 cung c\u1ea5p d\u1eef li\u1ec7u c\u00f3 gi\u00e1 tr\u1ecb v\u1ec1 t\u1ed5ng l\u01b0\u1ee3ng n\u01b0\u1edbc \u0111i qua h\u1ec7 th\u1ed1ng trong m\u1ed9t kho\u1ea3ng th\u1eddi gian. Th\u00f4ng tin n\u00e0y r\u1ea5t quan tr\u1ecdng \u0111\u1ec3 theo d\u00f5i vi\u1ec7c s\u1eed d\u1ee5ng n\u01b0\u1edbc, ph\u00e1t hi\u1ec7n r\u00f2 r\u1ec9 v\u00e0 t\u1ed1i \u01b0u h\u00f3a hi\u1ec7u qu\u1ea3 c\u1ee7a h\u1ec7 th\u1ed1ng ph\u00e2n ph\u1ed1i n\u01b0\u1edbc. B\u1eb1ng c\u00e1ch hi\u1ec3u nguy\u00ean l\u00fd ho\u1ea1t \u0111\u1ed9ng c\u1ee7a c\u1ea3m bi\u1ebfn l\u01b0u l\u01b0\u1ee3ng n\u01b0\u1edbc, c\u00e1c ng\u00e0nh c\u00f4ng nghi\u1ec7p c\u00f3 th\u1ec3 \u0111\u01b0a ra quy\u1ebft \u0111\u1ecbnh s\u00e1ng su\u1ed1t \u0111\u1ec3 c\u1ea3i thi\u1ec7n ph\u01b0\u01a1ng ph\u00e1p qu\u1ea3n l\u00fd n\u01b0\u1edbc.<\/p>\n<p>T\u00f3m l\u1ea1i, c\u1ea3m bi\u1ebfn l\u01b0u l\u01b0\u1ee3ng n\u01b0\u1edbc \u0111\u00f3ng vai tr\u00f2 quan tr\u1ecdng trong vi\u1ec7c \u0111o t\u1ed1c \u0111\u1ed9 d\u00f2ng n\u01b0\u1edbc trong c\u00e1c \u1ee9ng d\u1ee5ng kh\u00e1c nhau. B\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng c\u00e1c c\u00f4ng ngh\u1ec7 kh\u00e1c nhau nh\u01b0 c\u1ea3m bi\u1ebfn tuabin, \u0111i\u1ec7n t\u1eeb v\u00e0 si\u00eau \u00e2m, c\u00e1c thi\u1ebft b\u1ecb n\u00e0y cung c\u1ea5p c\u00e1c ph\u00e9p \u0111o ch\u00ednh x\u00e1c v\u00e0 \u0111\u00e1ng tin c\u1eady. C\u00e1c y\u1ebfu t\u1ed1 nh\u01b0 t\u00ednh ch\u1ea5t c\u1ee7a n\u01b0\u1edbc v\u00e0 \u0111i\u1ec1u ki\u1ec7n m\u00f4i tr\u01b0\u1eddng c\u00f3 th\u1ec3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn nguy\u00ean l\u00fd ho\u1ea1t \u0111\u1ed9ng c\u1ee7a c\u1ea3m bi\u1ebfn l\u01b0u l\u01b0\u1ee3ng n\u01b0\u1edbc, l\u00e0m n\u1ed5i b\u1eadt t\u1ea7m quan tr\u1ecdng c\u1ee7a vi\u1ec7c hi\u1ec7u chu\u1ea9n th\u01b0\u1eddng xuy\u00ean. V\u1edbi s\u1ef1 hi\u1ec3u bi\u1ebft th\u1ea5u \u0111\u00e1o v\u1ec1 c\u00e1ch th\u1ee9c ho\u1ea1t \u0111\u1ed9ng c\u1ee7a c\u1ea3m bi\u1ebfn l\u01b0u l\u01b0\u1ee3ng n\u01b0\u1edbc, c\u00e1c ng\u00e0nh c\u00f4ng nghi\u1ec7p c\u00f3 th\u1ec3 t\u1ed1i \u01b0u h\u00f3a c\u00e1c bi\u1ec7n ph\u00e1p qu\u1ea3n l\u00fd n\u01b0\u1edbc v\u00e0 \u0111\u1ea3m b\u1ea3o s\u1eed d\u1ee5ng hi\u1ec7u qu\u1ea3 ngu\u1ed3n t\u00e0i nguy\u00ean qu\u00fd gi\u00e1 n\u00e0y.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>T\u00ecm hi\u1ec3u nguy\u00ean l\u00fd ho\u1ea1t \u0111\u1ed9ng c\u1ee7a c\u1ea3m bi\u1ebfn l\u01b0u l\u01b0\u1ee3ng n\u01b0\u1edbc C\u1ea3m bi\u1ebfn l\u01b0u l\u01b0\u1ee3ng n\u01b0\u1edbc l\u00e0 thi\u1ebft b\u1ecb thi\u1ebft y\u1ebfu \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong nhi\u1ec1u ng\u00e0nh c\u00f4ng nghi\u1ec7p kh\u00e1c nhau \u0111\u1ec3 \u0111o t\u1ed1c \u0111\u1ed9 d\u00f2ng n\u01b0\u1edbc trong h\u1ec7 th\u1ed1ng. 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