{"id":23752,"date":"2024-08-27T14:09:45","date_gmt":"2024-08-27T06:09:45","guid":{"rendered":"https:\/\/chimaytech.net\/?p=23752"},"modified":"2024-08-28T12:43:35","modified_gmt":"2024-08-28T04:43:35","slug":"how-to-read-flow-meter","status":"publish","type":"post","link":"https:\/\/chimaytech.net\/vi\/how-to-read-flow-meter\/","title":{"rendered":"c\u00e1ch \u0111\u1ecdc \u0111\u1ed3ng h\u1ed3 \u0111o l\u01b0u l\u01b0\u1ee3ng"},"content":{"rendered":"<h1 id=\"understanding-the-basics-of-flow-meters-wpaicgheading\">T\u00ecm hi\u1ec3u kh\u00e1i ni\u1ec7m c\u01a1 b\u1ea3n v\u1ec1 \u0111\u1ed3ng h\u1ed3 \u0111o l\u01b0u l\u01b0\u1ee3ng<\/h1>\n<p>\n\u0110\u1ed3ng h\u1ed3 \u0111o l\u01b0u l\u01b0\u1ee3ng l\u00e0 c\u00f4ng c\u1ee5 thi\u1ebft y\u1ebfu \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c ng\u00e0nh c\u00f4ng nghi\u1ec7p kh\u00e1c nhau \u0111\u1ec3 \u0111o t\u1ed1c \u0111\u1ed9 d\u00f2ng ch\u1ea5t l\u1ecfng ho\u1eb7c kh\u00ed qua \u0111\u01b0\u1eddng \u1ed1ng. Ch\u00fang cung c\u1ea5p d\u1eef li\u1ec7u c\u00f3 gi\u00e1 tr\u1ecb gi\u00fap theo d\u00f5i v\u00e0 ki\u1ec3m so\u00e1t d\u00f2ng ch\u1ea3y c\u1ee7a c\u00e1c ch\u1ea5t trong h\u1ec7 th\u1ed1ng. Hi\u1ec3u c\u00e1ch \u0111\u1ecdc \u0111\u1ed3ng h\u1ed3 \u0111o l\u01b0u l\u01b0\u1ee3ng l\u00e0 r\u1ea5t quan tr\u1ecdng \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o c\u00e1c ph\u00e9p \u0111o ch\u00ednh x\u00e1c v\u00e0 v\u1eadn h\u00e0nh hi\u1ec7u qu\u1ea3.<\/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>\nM\u1ed9t trong nh\u1eefng b\u01b0\u1edbc \u0111\u1ea7u ti\u00ean khi \u0111\u1ecdc l\u01b0u l\u01b0\u1ee3ng k\u1ebf l\u00e0 x\u00e1c \u0111\u1ecbnh lo\u1ea1i l\u01b0u l\u01b0\u1ee3ng k\u1ebf \u0111ang \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng. C\u00f3 m\u1ed9t s\u1ed1 lo\u1ea1i \u0111\u1ed3ng h\u1ed3 \u0111o l\u01b0u l\u01b0\u1ee3ng c\u00f3 s\u1eb5n, m\u1ed7i lo\u1ea1i c\u00f3 nguy\u00ean l\u00fd ho\u1ea1t \u0111\u1ed9ng v\u00e0 thi\u1ebft k\u1ebf \u0111\u1ed9c \u0111\u00e1o ri\u00eang. C\u00e1c lo\u1ea1i m\u00e1y \u0111o l\u01b0u l\u01b0\u1ee3ng ph\u1ed5 bi\u1ebfn bao g\u1ed3m m\u00e1y \u0111o ch\u00eanh l\u1ec7ch \u00e1p su\u1ea5t, m\u00e1y \u0111o chuy\u1ec3n v\u1ecb d\u01b0\u01a1ng, m\u00e1y \u0111o tuabin, m\u00e1y \u0111o \u0111i\u1ec7n t\u1eeb v\u00e0 m\u00e1y \u0111o si\u00eau \u00e2m. M\u1ed7i lo\u1ea1i \u0111\u1ed3ng h\u1ed3 \u0111o l\u01b0u l\u01b0\u1ee3ng c\u00f3 ph\u01b0\u01a1ng ph\u00e1p v\u1eadn h\u00e0nh v\u00e0 \u0111\u1ecdc s\u1ed1 ri\u00eang.<\/p>\n<p>Khi b\u1ea1n \u0111\u00e3 x\u00e1c \u0111\u1ecbnh \u0111\u01b0\u1ee3c lo\u1ea1i \u0111\u1ed3ng h\u1ed3 \u0111o l\u01b0u l\u01b0\u1ee3ng \u0111ang \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng, b\u01b0\u1edbc ti\u1ebfp theo l\u00e0 l\u00e0m quen v\u1edbi thang \u0111o ho\u1eb7c hi\u1ec3n th\u1ecb tr\u00ean \u0111\u1ed3ng h\u1ed3 \u0111o l\u01b0u l\u01b0\u1ee3ng. H\u1ea7u h\u1ebft c\u00e1c \u0111\u1ed3ng h\u1ed3 \u0111o l\u01b0u l\u01b0\u1ee3ng \u0111\u1ec1u c\u00f3 thang \u0111o cho bi\u1ebft t\u1ed1c \u0111\u1ed9 d\u00f2ng ch\u1ea3y theo \u0111\u01a1n v\u1ecb nh\u01b0 l\u00edt tr\u00ean ph\u00fat, feet kh\u1ed1i m\u1ed7i gi\u1edd ho\u1eb7c gallon m\u1ed7i ph\u00fat. M\u1ed9t s\u1ed1 \u0111\u1ed3ng h\u1ed3 \u0111o l\u01b0u l\u01b0\u1ee3ng c\u0169ng c\u00f3 th\u1ec3 c\u00f3 m\u00e0n h\u00ecnh k\u1ef9 thu\u1eadt s\u1ed1 cung c\u1ea5p s\u1ed1 li\u1ec7u v\u1ec1 t\u1ed1c \u0111\u1ed9 d\u00f2ng ch\u1ea3y.<\/p>\n<p>\u0110\u1ec3 \u0111\u1ecdc \u0111\u1ed3ng h\u1ed3 \u0111o l\u01b0u l\u01b0\u1ee3ng, h\u00e3y b\u1eaft \u0111\u1ea7u b\u1eb1ng c\u00e1ch quan s\u00e1t v\u1ecb tr\u00ed c\u1ee7a ch\u1ec9 b\u00e1o ho\u1eb7c con tr\u1ecf tr\u00ean thang \u0111o. Ch\u1ec9 b\u00e1o s\u1ebd di chuy\u1ec3n theo d\u00f2ng ch\u1ea3y c\u1ee7a ch\u1ea5t \u0111\u01b0\u1ee3c \u0111o. V\u1ecb tr\u00ed c\u1ee7a ch\u1ec9 b\u00e1o so v\u1edbi thang \u0111o cho bi\u1ebft t\u1ed1c \u0111\u1ed9 d\u00f2ng ch\u1ea3y t\u1ea1i th\u1eddi \u0111i\u1ec3m c\u1ee5 th\u1ec3 \u0111\u00f3. \u0110\u1ea3m b\u1ea3o ghi ch\u00fa c\u00e1c \u0111\u01a1n v\u1ecb \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng tr\u00ean c\u00e2n \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o k\u1ebft qu\u1ea3 \u0111\u1ecdc ch\u00ednh x\u00e1c.<\/p>\n<div class=\"entry-content-asset videofit\"><iframe loading=\"lazy\" title=\"Why are pressure sensors used?\" width=\"720\" height=\"405\" src=\"https:\/\/www.youtube.com\/embed\/lk150HPXgI8?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 ch\u1ec9 b\u00e1o ho\u1eb7c con tr\u1ecf, m\u1ed9t s\u1ed1 \u0111\u1ed3ng h\u1ed3 \u0111o l\u01b0u l\u01b0\u1ee3ng c\u00f2n c\u00f3 th\u1ec3 c\u00f3 c\u00e1c t\u00ednh n\u0103ng b\u1ed5 sung nh\u01b0 c\u1ea3nh b\u00e1o, t\u00ednh t\u1ed5ng ho\u1eb7c kh\u1ea3 n\u0103ng ghi d\u1eef li\u1ec7u. Nh\u1eefng t\u00ednh n\u0103ng n\u00e0y c\u00f3 th\u1ec3 cung c\u1ea5p th\u00f4ng tin c\u00f3 gi\u00e1 tr\u1ecb v\u1ec1 t\u1ed1c \u0111\u1ed9 d\u00f2ng ch\u1ea3y theo th\u1eddi gian, \u0111\u1ed3ng th\u1eddi gi\u00fap theo d\u00f5i v\u00e0 ph\u00e2n t\u00edch hi\u1ec7u su\u1ea5t c\u1ee7a h\u1ec7 th\u1ed1ng.<\/p>\n<p>Khi \u0111\u1ecdc \u0111\u1ed3ng h\u1ed3 \u0111o l\u01b0u l\u01b0\u1ee3ng, \u0111i\u1ec1u quan tr\u1ecdng l\u00e0 ph\u1ea3i t\u00ednh \u0111\u1ebfn m\u1ecdi y\u1ebfu t\u1ed1 c\u00f3 th\u1ec3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn \u0111\u1ed9 ch\u00ednh x\u00e1c c\u1ee7a ph\u00e9p \u0111o. C\u00e1c y\u1ebfu t\u1ed1 nh\u01b0 nhi\u1ec7t \u0111\u1ed9, \u00e1p su\u1ea5t, \u0111\u1ed9 nh\u1edbt v\u00e0 m\u1eadt \u0111\u1ed9 c\u1ee7a ch\u1ea5t \u0111\u01b0\u1ee3c \u0111o \u0111\u1ec1u c\u00f3 th\u1ec3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn hi\u1ec7u su\u1ea5t c\u1ee7a \u0111\u1ed3ng h\u1ed3 \u0111o l\u01b0u l\u01b0\u1ee3ng. \u0110\u1ea3m b\u1ea3o hi\u1ec7u ch\u1ec9nh \u0111\u1ed3ng h\u1ed3 \u0111o l\u01b0u l\u01b0\u1ee3ng th\u01b0\u1eddng xuy\u00ean v\u00e0 tu\u00e2n theo h\u01b0\u1edbng d\u1eabn c\u1ee7a nh\u00e0 s\u1ea3n xu\u1ea5t \u0111\u1ec3 b\u1ea3o tr\u00ec v\u00e0 v\u1eadn h\u00e0nh \u0111\u00fang c\u00e1ch.<\/p>\n<p>C\u00e1c c\u1ee5m t\u1eeb chuy\u1ec3n ti\u1ebfp nh\u01b0 &#8220;ngo\u00e0i ra&#8221;, &#8220;khi b\u1ea1n \u0111\u00e3 x\u00e1c \u0111\u1ecbnh&#8221; v\u00e0 &#8220;khi \u0111\u1ecdc&#8221; c\u00f3 th\u1ec3 gi\u00fap h\u01b0\u1edbng d\u1eabn ng\u01b0\u1eddi \u0111\u1ecdc th\u1ef1c hi\u1ec7n quy tr\u00ecnh \u0111\u1ecdc l\u01b0u l\u01b0\u1ee3ng k\u1ebf. Nh\u1eefng c\u1ee5m t\u1eeb n\u00e0y gi\u00fap k\u1ebft n\u1ed1i c\u00e1c \u00fd t\u01b0\u1edfng v\u00e0 cung c\u1ea5p lu\u1ed3ng th\u00f4ng tin tr\u00f4i ch\u1ea3y t\u1eeb b\u01b0\u1edbc n\u00e0y sang b\u01b0\u1edbc ti\u1ebfp theo.<\/p>\n<p><img decoding=\"async\" src=\"http:\/\/shchimay.com\/wp-content\/uploads\/2023\/11\/ROS-360-7\\\u5bf8\\\u89e6\\\u6478\\\u5c4fRO\\\u7a0b\\\u63a7\\\u5668\\\u53cc\\\u8def\\\u7535\\\u5bfc\\\u73871.png\" alt=\"alt-5612\" class=\"wp-image-5612\" id=\"i5612\" \/><\/p>\n<p>T\u00f3m l\u1ea1i, hi\u1ec3u c\u00e1ch \u0111\u1ecdc \u0111\u1ed3ng h\u1ed3 \u0111o l\u01b0u l\u01b0\u1ee3ng l\u00e0 \u0111i\u1ec1u c\u1ea7n thi\u1ebft \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o c\u00e1c ph\u00e9p \u0111o ch\u00ednh x\u00e1c v\u00e0 ho\u1ea1t \u0111\u1ed9ng hi\u1ec7u qu\u1ea3 trong c\u00e1c ng\u00e0nh c\u00f4ng nghi\u1ec7p kh\u00e1c nhau. B\u1eb1ng c\u00e1ch x\u00e1c \u0111\u1ecbnh lo\u1ea1i \u0111\u1ed3ng h\u1ed3 \u0111o l\u01b0u l\u01b0\u1ee3ng \u0111ang \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng, l\u00e0m quen v\u1edbi thang \u0111o ho\u1eb7c m\u00e0n h\u00ecnh v\u00e0 t\u00ednh \u0111\u1ebfn b\u1ea5t k\u1ef3 y\u1ebfu t\u1ed1 n\u00e0o c\u00f3 th\u1ec3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn \u0111\u1ed9 ch\u00ednh x\u00e1c c\u1ee7a ph\u00e9p \u0111o, b\u1ea1n c\u00f3 th\u1ec3 \u0111\u1ecdc \u0111\u1ed3ng h\u1ed3 \u0111o l\u01b0u l\u01b0\u1ee3ng m\u1ed9t c\u00e1ch hi\u1ec7u qu\u1ea3 v\u00e0 thu \u0111\u01b0\u1ee3c d\u1eef li\u1ec7u c\u00f3 gi\u00e1 tr\u1ecb \u0111\u1ec3 theo d\u00f5i v\u00e0 ki\u1ec3m so\u00e1t d\u00f2ng ch\u1ea3y. c\u1ee7a c\u00e1c ch\u1ea5t trong m\u1ed9t h\u1ec7 th\u1ed1ng. Hi\u1ec7u chu\u1ea9n v\u00e0 b\u1ea3o tr\u00ec th\u01b0\u1eddng xuy\u00ean \u0111\u1ed3ng h\u1ed3 \u0111o l\u01b0u l\u01b0\u1ee3ng c\u0169ng r\u1ea5t quan tr\u1ecdng \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o hi\u1ec7u su\u1ea5t \u0111\u00e1ng tin c\u1eady. V\u1edbi ki\u1ebfn \u200b\u200bth\u1ee9c \u0111\u00fang \u0111\u1eafn v\u00e0 s\u1ef1 ch\u00fa \u00fd \u0111\u1ebfn t\u1eebng chi ti\u1ebft, vi\u1ec7c \u0111\u1ecdc \u0111\u1ed3ng h\u1ed3 \u0111o l\u01b0u l\u01b0\u1ee3ng c\u00f3 th\u1ec3 l\u00e0 m\u1ed9t nhi\u1ec7m v\u1ee5 \u0111\u01a1n gi\u1ea3n v\u00e0 c\u00f3 gi\u00e1 tr\u1ecb trong b\u1ea5t k\u1ef3 m\u00f4i tr\u01b0\u1eddng c\u00f4ng nghi\u1ec7p n\u00e0o.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>T\u00ecm hi\u1ec3u kh\u00e1i ni\u1ec7m c\u01a1 b\u1ea3n v\u1ec1 \u0111\u1ed3ng h\u1ed3 \u0111o l\u01b0u l\u01b0\u1ee3ng \u0110\u1ed3ng h\u1ed3 \u0111o l\u01b0u l\u01b0\u1ee3ng l\u00e0 c\u00f4ng c\u1ee5 thi\u1ebft y\u1ebfu \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c ng\u00e0nh c\u00f4ng nghi\u1ec7p kh\u00e1c nhau \u0111\u1ec3 \u0111o t\u1ed1c \u0111\u1ed9 d\u00f2ng ch\u1ea5t l\u1ecfng ho\u1eb7c kh\u00ed qua \u0111\u01b0\u1eddng \u1ed1ng. 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