{"id":13376,"date":"2024-04-29T09:42:37","date_gmt":"2024-04-29T01:42:37","guid":{"rendered":"https:\/\/shchimay.com\/?p=13376"},"modified":"2024-04-29T12:33:26","modified_gmt":"2024-04-29T04:33:26","slug":"how-to-use-tds-meter-hold","status":"publish","type":"post","link":"https:\/\/shchimay.com\/vi\/how-to-use-tds-meter-hold\/","title":{"rendered":"c\u00e1ch s\u1eed d\u1ee5ng ch\u1ebf \u0111\u1ed9 gi\u1eef \u0111\u1ed3ng h\u1ed3 tds"},"content":{"rendered":"<h1 id=\"testing-water-quality-a-guide-on-how-to-properly-use-a-tds-meter-wpaicgheading\">Ki\u1ec3m tra ch\u1ea5t l\u01b0\u1ee3ng n\u01b0\u1edbc: H\u01b0\u1edbng d\u1eabn c\u00e1ch s\u1eed d\u1ee5ng m\u00e1y \u0111o TDS \u0111\u00fang c\u00e1ch<\/h1>\n<p>\nKi\u1ec3m tra ch\u1ea5t l\u01b0\u1ee3ng n\u01b0\u1edbc: H\u01b0\u1edbng d\u1eabn c\u00e1ch s\u1eed d\u1ee5ng m\u00e1y \u0111o TDS \u0111\u00fang c\u00e1ch<\/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>Khi n\u00f3i \u0111\u1ebfn vi\u1ec7c \u0111\u1ea3m b\u1ea3o s\u1ef1 an to\u00e0n v\u00e0 ch\u1ea5t l\u01b0\u1ee3ng n\u01b0\u1edbc c\u1ee7a b\u1ea1n, vi\u1ec7c s\u1eed d\u1ee5ng m\u00e1y \u0111o T\u1ed5ng ch\u1ea5t r\u1eafn h\u00f2a tan (TDS) c\u00f3 th\u1ec3 l\u00e0 m\u1ed9t c\u00f4ng c\u1ee5 c\u00f3 gi\u00e1 tr\u1ecb. M\u00e1y \u0111o TDS \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 \u0111o n\u1ed3ng \u0111\u1ed9 ch\u1ea5t r\u1eafn h\u00f2a tan trong n\u01b0\u1edbc, cung c\u1ea5p cho b\u1ea1n d\u1ea5u hi\u1ec7u v\u1ec1 \u0111\u1ed9 tinh khi\u1ebft t\u1ed5ng th\u1ec3 c\u1ee7a n\u01b0\u1edbc. B\u1eb1ng c\u00e1ch hi\u1ec3u c\u00e1ch s\u1eed d\u1ee5ng m\u00e1y \u0111o TDS \u0111\u00fang c\u00e1ch, b\u1ea1n c\u00f3 th\u1ec3 ch\u1ee7 \u0111\u1ed9ng th\u1ef1c hi\u1ec7n c\u00e1c b\u01b0\u1edbc \u0111\u1ec3 gi\u00e1m s\u00e1t v\u00e0 duy tr\u00ec ch\u1ea5t l\u01b0\u1ee3ng ngu\u1ed3n n\u01b0\u1edbc c\u1ee7a m\u00ecnh.<\/p>\n<p>Tr\u01b0\u1edbc khi s\u1eed d\u1ee5ng m\u00e1y \u0111o TDS, \u0111i\u1ec1u quan tr\u1ecdng l\u00e0 b\u1ea1n ph\u1ea3i t\u1ef1 l\u00e0m quen v\u1edbi c\u00e1c ch\u1ee9c n\u0103ng v\u00e0 t\u00ednh n\u0103ng c\u01a1 b\u1ea3n c\u1ee7a n\u00f3. H\u1ea7u h\u1ebft c\u00e1c m\u00e1y \u0111o TDS \u0111\u1ec1u l\u00e0 thi\u1ebft b\u1ecb c\u1ea7m tay d\u1ec5 s\u1eed d\u1ee5ng v\u00e0 v\u1eadn h\u00e0nh. Ch\u00fang th\u01b0\u1eddng bao g\u1ed3m m\u1ed9t \u0111\u1ea7u d\u00f2 \u0111\u01b0\u1ee3c \u0111\u01b0a v\u00e0o m\u1eabu n\u01b0\u1edbc, m\u1ed9t m\u00e0n h\u00ecnh k\u1ef9 thu\u1eadt s\u1ed1 hi\u1ec3n th\u1ecb ch\u1ec9 s\u1ed1 TDS v\u00e0 m\u1ed9t n\u00fat ho\u1eb7c c\u00f4ng t\u1eafc \u0111\u1ec3 b\u1eadt v\u00e0 t\u1eaft \u0111\u1ed3ng h\u1ed3. M\u1ed9t s\u1ed1 m\u00e1y \u0111o TDS c\u00f2n c\u00f3 c\u00e1c t\u00ednh n\u0103ng b\u1ed5 sung, ch\u1eb3ng h\u1ea1n nh\u01b0 b\u00f9 nhi\u1ec7t \u0111\u1ed9 v\u00e0 hi\u1ec7u chu\u1ea9n t\u1ef1 \u0111\u1ed9ng.<\/p>\n<div class=\"entry-content-asset videofit\"><iframe loading=\"lazy\" title=\"flow transmitter controller introduction\" width=\"720\" height=\"405\" src=\"https:\/\/www.youtube.com\/embed\/UcaO-fcTnKw?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>\u0110\u1ec3 s\u1eed d\u1ee5ng m\u00e1y \u0111o TDS, h\u00e3y b\u1eaft \u0111\u1ea7u b\u1eb1ng c\u00e1ch \u0111\u1ea3m b\u1ea3o r\u1eb1ng \u0111\u1ea7u d\u00f2 s\u1ea1ch v\u00e0 kh\u00f4ng c\u00f3 b\u1ea5t k\u1ef3 m\u1ea3nh v\u1ee5n ho\u1eb7c ch\u1ea5t g\u00e2y \u00f4 nhi\u1ec5m n\u00e0o. R\u1eeda s\u1ea1ch \u0111\u1ea7u d\u00f2 b\u1eb1ng n\u01b0\u1edbc c\u1ea5t tr\u01b0\u1edbc khi \u0111o \u0111\u1ec3 tr\u00e1nh \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn k\u1ebft qu\u1ea3 \u0111o. Ti\u1ebfp theo, b\u1eadt m\u00e1y \u0111o TDS l\u00ean v\u00e0 ch\u1edd cho n\u00f3 \u1ed5n \u0111\u1ecbnh. Sau khi m\u00e1y \u0111o \u0111\u00e3 s\u1eb5n s\u00e0ng, h\u00e3y c\u1ea9n th\u1eadn nh\u00fang \u0111\u1ea7u d\u00f2 v\u00e0o m\u1eabu n\u01b0\u1edbc, \u0111\u1ea3m b\u1ea3o r\u1eb1ng c\u00e1c \u0111i\u1ec7n c\u1ef1c \u0111\u01b0\u1ee3c ng\u00e2m ho\u00e0n to\u00e0n. Cho ph\u00e9p \u0111\u1ed3ng h\u1ed3 l\u1ea5y s\u1ed1 \u0111\u1ecdc, th\u01b0\u1eddng \u0111\u01b0\u1ee3c hi\u1ec3n th\u1ecb theo ph\u1ea7n tri\u1ec7u (ppm) ho\u1eb7c miligam tr\u00ean l\u00edt (mg\/L).<\/p>\n<p>Sau khi l\u1ea5y s\u1ed1 \u0111\u1ecdc TDS, \u0111i\u1ec1u quan tr\u1ecdng l\u00e0 ph\u1ea3i di\u1ec5n gi\u1ea3i k\u1ebft qu\u1ea3 m\u1ed9t c\u00e1ch ch\u00ednh x\u00e1c. Ch\u1ec9 s\u1ed1 TDS th\u1ea5p (d\u01b0\u1edbi 50 ppm) cho th\u1ea5y n\u01b0\u1edbc t\u01b0\u01a1ng \u0111\u1ed1i tinh khi\u1ebft v\u00e0 kh\u00f4ng c\u00f3 ch\u1ea5t g\u00e2y \u00f4 nhi\u1ec5m. M\u1eb7t kh\u00e1c, ch\u1ec9 s\u1ed1 TDS cao (tr\u00ean 500 ppm) cho th\u1ea5y r\u1eb1ng n\u01b0\u1edbc c\u00f3 th\u1ec3 ch\u1ee9a h\u00e0m l\u01b0\u1ee3ng ch\u1ea5t r\u1eafn h\u00f2a tan cao, ch\u1eb3ng h\u1ea1n nh\u01b0 kho\u00e1ng ch\u1ea5t, mu\u1ed1i ho\u1eb7c ch\u1ea5t h\u1eefu c\u01a1. Nh\u00ecn chung, ch\u1ec9 s\u1ed1 TDS c\u00e0ng th\u1ea5p th\u00ec ch\u1ea5t l\u01b0\u1ee3ng n\u01b0\u1edbc c\u00e0ng t\u1ed1t.<\/p>\n<div class=\"entry-content-asset videofit\"><iframe loading=\"lazy\" title=\"4-20ma Hydraulic Pressure Transmitters For Liquid Gas And Steam chimaytech.com\" width=\"720\" height=\"405\" src=\"https:\/\/www.youtube.com\/embed\/9uMa6GV5GzY?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>\u0110\u1ec3 \u0111\u1ea3m b\u1ea3o c\u00e1c ph\u00e9p \u0111o TDS ch\u00ednh x\u00e1c v\u00e0 \u0111\u00e1ng tin c\u1eady, b\u1ea1n n\u00ean hi\u1ec7u ch\u1ec9nh m\u00e1y \u0111o th\u01b0\u1eddng xuy\u00ean. Hi\u1ec7u chu\u1ea9n gi\u00fap duy tr\u00ec \u0111\u1ed9 ch\u00ednh x\u00e1c c\u1ee7a \u0111\u1ed3ng h\u1ed3 v\u00e0 \u0111\u1ea3m b\u1ea3o r\u1eb1ng n\u00f3 cung c\u1ea5p s\u1ed1 \u0111\u1ecdc nh\u1ea5t qu\u00e1n theo th\u1eddi gian. H\u1ea7u h\u1ebft c\u00e1c m\u00e1y \u0111o TDS \u0111\u1ec1u c\u00f3 c\u00e1c gi\u1ea3i ph\u00e1p hi\u1ec7u chu\u1ea9n d\u00f9ng \u0111\u1ec3 \u0111i\u1ec1u ch\u1ec9nh m\u00e1y \u0111o theo ti\u00eau chu\u1ea9n \u0111\u00e3 bi\u1ebft. L\u00e0m theo h\u01b0\u1edbng d\u1eabn c\u1ee7a nh\u00e0 s\u1ea3n xu\u1ea5t \u0111\u1ec3 hi\u1ec7u ch\u1ec9nh m\u00e1y \u0111o TDS c\u1ee7a b\u1ea1n v\u00e0 nh\u1edb hi\u1ec7u ch\u1ec9nh l\u1ea1i b\u1ea5t c\u1ee9 khi n\u00e0o c\u1ea7n thi\u1ebft.<\/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\u1ef1c tuy\u1ebfn EC-1800<\/td>\n<\/tr>\n<tr>\n<td rowspan=\"2\">Ph\u1ea1m vi<\/td>\n<td>0-2000\/4000uS\/cm 0-20\/200mS\/cm<\/td>\n<\/tr>\n<tr>\n<td>0-1000\/2000PPM<\/td>\n<\/tr>\n<tr>\n<td>\u0110\u1ed9 ch\u00ednh x\u00e1c<\/td>\n<td>1,5% , 2% , 3% (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>C=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 128*64<\/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>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>Ngo\u00e0i vi\u1ec7c theo d\u00f5i m\u1ee9c TDS, \u0111i\u1ec1u quan tr\u1ecdng l\u00e0 ph\u1ea3i xem x\u00e9t c\u00e1c y\u1ebfu t\u1ed1 kh\u00e1c c\u00f3 th\u1ec3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn ch\u1ea5t l\u01b0\u1ee3ng n\u01b0\u1edbc. V\u00ed d\u1ee5, \u0111\u1ed9 pH, nhi\u1ec7t \u0111\u1ed9 v\u00e0 s\u1ef1 hi\u1ec7n di\u1ec7n c\u1ee7a c\u00e1c ch\u1ea5t g\u00e2y \u00f4 nhi\u1ec5m c\u1ee5 th\u1ec3 \u0111\u1ec1u c\u00f3 th\u1ec3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn \u0111\u1ed9 tinh khi\u1ebft chung c\u1ee7a n\u01b0\u1edbc. B\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng k\u1ebft h\u1ee3p c\u00e1c ph\u01b0\u01a1ng ph\u00e1p ki\u1ec3m tra kh\u00e1c nhau, ch\u1eb3ng h\u1ea1n nh\u01b0 m\u00e1y \u0111o TDS, m\u00e1y \u0111o pH v\u00e0 b\u1ed9 d\u1ee5ng c\u1ee5 ki\u1ec3m tra n\u01b0\u1edbc, b\u1ea1n c\u00f3 th\u1ec3 hi\u1ec3u bi\u1ebft to\u00e0n di\u1ec7n v\u1ec1 ch\u1ea5t l\u01b0\u1ee3ng n\u01b0\u1edbc c\u1ee7a m\u00ecnh.<\/p>\n<p>\n<img decoding=\"async\" src=\"https:\/\/shchimay.com\/wp-content\/uploads\/2024\/04\/FET-8920-1.png\" alt=\"alt-5913\" class=\"wp-image-5913\" id=\"i5913\" \/><br \/>\nT\u00f3m l\u1ea1i, s\u1eed d\u1ee5ng m\u00e1y \u0111o TDS l\u00e0 m\u1ed9t c\u00e1ch hi\u1ec7u qu\u1ea3 \u0111\u1ec3 gi\u00e1m s\u00e1t v\u00e0 duy tr\u00ec ch\u1ea5t l\u01b0\u1ee3ng ngu\u1ed3n n\u01b0\u1edbc c\u1ee7a b\u1ea1n. B\u1eb1ng c\u00e1ch tu\u00e2n theo c\u00e1c quy tr\u00ecnh th\u00edch h\u1ee3p \u0111\u1ec3 s\u1eed d\u1ee5ng m\u00e1y \u0111o TDS, di\u1ec5n gi\u1ea3i k\u1ebft qu\u1ea3 m\u1ed9t c\u00e1ch ch\u00ednh x\u00e1c v\u00e0 hi\u1ec7u ch\u1ec9nh m\u00e1y \u0111o th\u01b0\u1eddng xuy\u00ean, b\u1ea1n c\u00f3 th\u1ec3 \u0111\u1ea3m b\u1ea3o r\u1eb1ng n\u01b0\u1edbc c\u1ee7a m\u00ecnh an to\u00e0n v\u00e0 kh\u00f4ng c\u00f3 ch\u1ea5t g\u00e2y \u00f4 nhi\u1ec5m. H\u00e3y nh\u1edb xem x\u00e9t c\u00e1c y\u1ebfu t\u1ed1 kh\u00e1c c\u00f3 th\u1ec3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn ch\u1ea5t l\u01b0\u1ee3ng n\u01b0\u1edbc v\u00e0 th\u1ef1c hi\u1ec7n c\u00e1c b\u01b0\u1edbc ch\u1ee7 \u0111\u1ed9ng \u0111\u1ec3 gi\u1ea3i quy\u1ebft m\u1ecdi v\u1ea5n \u0111\u1ec1 c\u00f3 th\u1ec3 ph\u00e1t sinh. 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