{"id":11978,"date":"2024-04-20T12:52:13","date_gmt":"2024-04-20T04:52:13","guid":{"rendered":"https:\/\/shchimay.com\/?p=11978"},"modified":"2024-04-20T20:50:24","modified_gmt":"2024-04-20T12:50:24","slug":"what-do-the-numbers-mean-on-a-tds-meter","status":"publish","type":"post","link":"https:\/\/shchimay.com\/vi\/what-do-the-numbers-mean-on-a-tds-meter\/","title":{"rendered":"c\u00e1c con s\u1ed1 tr\u00ean m\u00e1y \u0111o tds c\u00f3 \u00fd ngh\u0129a g\u00ec"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_50 counter-hierarchy ez-toc-counter ez-toc-light-blue ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\">Table of Contents<\/p>\n<span class=\"ez-toc-title-toggle\"><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-1'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/shchimay.com\/vi\/what-do-the-numbers-mean-on-a-tds-meter\/#Hieu_tam_quan_trong_cua_muc_TDS_trong_chat_luong_nuoc\" title=\"Hi\u1ec3u t\u1ea7m quan tr\u1ecdng c\u1ee7a m\u1ee9c TDS trong ch\u1ea5t l\u01b0\u1ee3ng n\u01b0\u1edbc\">Hi\u1ec3u t\u1ea7m quan tr\u1ecdng c\u1ee7a m\u1ee9c TDS trong ch\u1ea5t l\u01b0\u1ee3ng n\u01b0\u1edbc<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-1'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/shchimay.com\/vi\/what-do-the-numbers-mean-on-a-tds-meter\/#Giai_thich_cac_chi_so_tren_dong_ho_TDS_cho_nuoc_uong_an_toan\" title=\"Gi\u1ea3i th\u00edch c\u00e1c ch\u1ec9 s\u1ed1 tr\u00ean \u0111\u1ed3ng h\u1ed3 TDS cho n\u01b0\u1edbc u\u1ed1ng an to\u00e0n\">Gi\u1ea3i th\u00edch c\u00e1c ch\u1ec9 s\u1ed1 tr\u00ean \u0111\u1ed3ng h\u1ed3 TDS cho n\u01b0\u1edbc u\u1ed1ng an to\u00e0n<\/a><\/li><\/ul><\/nav><\/div>\n<h1 id=\"understanding-the-importance-of-tds-levels-in-water-quality-wpaicgheading\"><span class=\"ez-toc-section\" id=\"Hieu_tam_quan_trong_cua_muc_TDS_trong_chat_luong_nuoc\"><\/span>Hi\u1ec3u t\u1ea7m quan tr\u1ecdng c\u1ee7a m\u1ee9c TDS trong ch\u1ea5t l\u01b0\u1ee3ng n\u01b0\u1edbc<span class=\"ez-toc-section-end\"><\/span><\/h1>\n<p>\nT\u1ed5ng ch\u1ea5t r\u1eafn h\u00f2a tan (TDS) l\u00e0 m\u1ed9t kh\u00eda c\u1ea1nh quan tr\u1ecdng c\u1ee7a ch\u1ea5t l\u01b0\u1ee3ng n\u01b0\u1edbc c\u00f3 th\u1ec3 c\u00f3 t\u00e1c \u0111\u1ed9ng \u0111\u00e1ng k\u1ec3 \u0111\u1ebfn s\u1ee9c kh\u1ecfe v\u00e0 m\u00f4i tr\u01b0\u1eddng c\u1ee7a ch\u00fang ta. TDS \u0111\u1ec1 c\u1eadp \u0111\u1ebfn t\u1ed5ng l\u01b0\u1ee3ng ch\u1ea5t h\u00f2a tan trong n\u01b0\u1edbc, bao g\u1ed3m kho\u00e1ng ch\u1ea5t, mu\u1ed1i, kim lo\u1ea1i v\u00e0 c\u00e1c h\u1ee3p ch\u1ea5t h\u1eefu c\u01a1 v\u00e0 v\u00f4 c\u01a1 kh\u00e1c. Nh\u1eefng ch\u1ea5t n\u00e0y c\u00f3 th\u1ec3 \u0111\u1ebfn t\u1eeb c\u00e1c ngu\u1ed3n t\u1ef1 nhi\u00ean nh\u01b0 \u0111\u00e1 v\u00e0 \u0111\u1ea5t, c\u0169ng nh\u01b0 c\u00e1c ho\u1ea1t \u0111\u1ed9ng c\u1ee7a con ng\u01b0\u1eddi nh\u01b0 n\u00f4ng nghi\u1ec7p, c\u00f4ng nghi\u1ec7p v\u00e0 n\u01b0\u1edbc th\u1ea3i \u0111\u00f4 th\u1ecb.<\/p>\n<p>M\u1ed9t trong nh\u1eefng c\u00e1ch ph\u1ed5 bi\u1ebfn nh\u1ea5t \u0111\u1ec3 \u0111o m\u1ee9c TDS trong n\u01b0\u1edbc l\u00e0 s\u1eed d\u1ee5ng m\u00e1y \u0111o TDS. Thi\u1ebft b\u1ecb c\u1ea7m tay n\u00e0y cung c\u1ea5p m\u1ed9t gi\u00e1 tr\u1ecb s\u1ed1 cho bi\u1ebft n\u1ed3ng \u0111\u1ed9 ch\u1ea5t r\u1eafn h\u00f2a tan trong n\u01b0\u1edbc. Nh\u01b0ng nh\u1eefng con s\u1ed1 n\u00e0y th\u1ef1c s\u1ef1 c\u00f3 \u00fd ngh\u0129a g\u00ec v\u00e0 t\u1ea1i sao ch\u00fang l\u1ea1i quan tr\u1ecdng?<\/p>\n<p>C\u00e1c con s\u1ed1 tr\u00ean m\u00e1y \u0111o TDS bi\u1ec3u th\u1ecb l\u01b0\u1ee3ng ch\u1ea5t r\u1eafn h\u00f2a tan t\u00ednh b\u1eb1ng ph\u1ea7n tri\u1ec7u (ppm) ho\u1eb7c miligam tr\u00ean l\u00edt (mg\/L) n\u01b0\u1edbc. N\u00f3i chung, ch\u1ec9 s\u1ed1 TDS c\u00e0ng cao th\u00ec c\u00e0ng c\u00f3 nhi\u1ec1u ch\u1ea5t r\u1eafn h\u00f2a tan trong n\u01b0\u1edbc. \u0110i\u1ec1u n\u00e0y c\u00f3 th\u1ec3 ch\u1ec9 ra nhi\u1ec1u th\u1ee9, ch\u1eb3ng h\u1ea1n nh\u01b0 h\u00e0m l\u01b0\u1ee3ng kho\u00e1ng ch\u1ea5t cao, \u00f4 nhi\u1ec5m ho\u1eb7c \u00f4 nhi\u1ec5m.<\/p>\n<p>M\u1ee9c TDS cao c\u00f3 th\u1ec3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn m\u00f9i v\u1ecb, m\u00f9i v\u00e0 v\u1ebb ngo\u00e0i c\u1ee7a n\u01b0\u1edbc. N\u01b0\u1edbc c\u00f3 TDS cao c\u00f3 th\u1ec3 c\u00f3 v\u1ecb m\u1eb7n, kim lo\u1ea1i ho\u1eb7c \u0111\u1eafng v\u00e0 c\u00f3 th\u1ec3 \u0111\u1ec3 l\u1ea1i c\u1eb7n ho\u1eb7c m\u00e0ng tr\u00ean b\u1ec1 m\u1eb7t. N\u00f3 c\u0169ng c\u00f3 th\u1ec3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn hi\u1ec7u qu\u1ea3 c\u1ee7a x\u00e0 ph\u00f2ng v\u00e0 ch\u1ea5t t\u1ea9y r\u1eeda c\u0169ng nh\u01b0 hi\u1ec7u su\u1ea5t c\u1ee7a c\u00e1c thi\u1ebft b\u1ecb nh\u01b0 m\u00e1y n\u01b0\u1edbc n\u00f3ng v\u00e0 m\u00e1y pha c\u00e0 ph\u00ea.<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-11978-1\" width=\"640\" height=\"360\" preload=\"metadata\" controls=\"controls\"><source type=\"video\/mp4\" src=\"http:\/\/shchimay.com\/wp-content\/uploads\/2023\/11\/PH-ORP-510-\u9178\u78b1\u5ea6-_\u6c27\u5316\u8fd8\u539f\u63a7\u5236\u5668%20.mp4?_=1\" \/><a href=\"http:\/\/shchimay.com\/wp-content\/uploads\/2023\/11\/PH-ORP-510-\u9178\u78b1\u5ea6-_\u6c27\u5316\u8fd8\u539f\u63a7\u5236\u5668%20.mp4\">http:\/\/shchimay.com\/wp-content\/uploads\/2023\/11\/PH-ORP-510-\u9178\u78b1\u5ea6-_\u6c27\u5316\u8fd8\u539f\u63a7\u5236\u5668%20.mp4<\/a><\/video><\/div><\/p>\n<p><img decoding=\"async\" src=\"https:\/\/shchimay.com\/wp-content\/uploads\/2024\/04\/pH-ORP-3500-series-pH-ORP-Online-Meter-Spec.jpg\" alt=\"alt-457\" class=\"wp-image-457\" id=\"i457\" \/><br \/>\nV\u1ec1 m\u1eb7t s\u1ee9c kh\u1ecfe, m\u1ee9c TDS cao c\u00f3 th\u1ec3 l\u00e0 m\u1ed1i lo ng\u1ea1i v\u00ec ch\u00fang c\u00f3 th\u1ec3 cho th\u1ea5y s\u1ef1 hi\u1ec7n di\u1ec7n c\u1ee7a c\u00e1c ch\u1ea5t g\u00e2y \u00f4 nhi\u1ec5m c\u00f3 h\u1ea1i nh\u01b0 ch\u00ec, asen ho\u1eb7c thu\u1ed1c tr\u1eeb s\u00e2u. Nh\u1eefng ch\u1ea5t n\u00e0y c\u00f3 th\u1ec3 g\u00e2y \u1ea3nh h\u01b0\u1edfng nghi\u00eam tr\u1ecdng \u0111\u1ebfn s\u1ee9c kh\u1ecfe, bao g\u1ed3m c\u00e1c v\u1ea5n \u0111\u1ec1 v\u1ec1 \u0111\u01b0\u1eddng ti\u00eau h\u00f3a, r\u1ed1i lo\u1ea1n th\u1ea7n kinh v\u00e0 th\u1eadm ch\u00ed l\u00e0 ung th\u01b0. Do \u0111\u00f3, \u0111i\u1ec1u quan tr\u1ecdng l\u00e0 ph\u1ea3i theo d\u00f5i m\u1ee9c TDS trong n\u01b0\u1edbc u\u1ed1ng \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o an to\u00e0n cho ng\u01b0\u1eddi ti\u00eau d\u00f9ng.<\/p>\n<p>M\u1eb7t kh\u00e1c, m\u1ee9c TDS th\u1ea5p c\u0169ng c\u00f3 th\u1ec3 l\u00e0 m\u1ed9t nguy\u00ean nh\u00e2n g\u00e2y lo ng\u1ea1i. N\u01b0\u1edbc c\u00f3 TDS r\u1ea5t th\u1ea5p c\u00f3 th\u1ec3 thi\u1ebfu c\u00e1c kho\u00e1ng ch\u1ea5t thi\u1ebft y\u1ebfu nh\u01b0 canxi v\u00e0 magi\u00ea, nh\u1eefng ch\u1ea5t quan tr\u1ecdng \u0111\u1ed1i v\u1edbi s\u1ee9c kh\u1ecfe c\u1ee7a ch\u00fang ta. \u0110i\u1ec1u n\u00e0y c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn thi\u1ebfu h\u1ee5t kho\u00e1ng ch\u1ea5t v\u00e0 c\u00e1c v\u1ea5n \u0111\u1ec1 s\u1ee9c kh\u1ecfe ti\u1ec1m \u1ea9n. Ngo\u00e0i ra, n\u01b0\u1edbc c\u00f3 TDS th\u1ea5p c\u00f3 th\u1ec3 \u0103n m\u00f2n nhi\u1ec1u h\u01a1n, g\u00e2y h\u01b0 h\u1ecfng \u0111\u01b0\u1eddng \u1ed1ng v\u00e0 thi\u1ebft b\u1ecb \u1ed1ng n\u01b0\u1edbc.<\/p>\n<p>Hi\u1ec3u r\u00f5 c\u00e1c con s\u1ed1 tr\u00ean \u0111\u1ed3ng h\u1ed3 TDS l\u00e0 \u0111i\u1ec1u c\u1ea7n thi\u1ebft \u0111\u1ec3 duy tr\u00ec ch\u1ea5t l\u01b0\u1ee3ng n\u01b0\u1edbc v\u00e0 \u0111\u1ea3m b\u1ea3o an to\u00e0n cho n\u01b0\u1edbc u\u1ed1ng c\u1ee7a ch\u00fang ta. B\u1eb1ng c\u00e1ch th\u01b0\u1eddng xuy\u00ean ki\u1ec3m tra m\u1ee9c TDS, ch\u00fang t\u00f4i c\u00f3 th\u1ec3 x\u00e1c \u0111\u1ecbnh m\u1ecdi v\u1ea5n \u0111\u1ec1 ti\u1ec1m \u1ea9n v\u00e0 th\u1ef1c hi\u1ec7n c\u00e1c bi\u1ec7n ph\u00e1p th\u00edch h\u1ee3p \u0111\u1ec3 gi\u1ea3i quy\u1ebft ch\u00fang. \u0110i\u1ec1u n\u00e0y c\u00f3 th\u1ec3 li\u00ean quan \u0111\u1ebfn vi\u1ec7c l\u1eafp \u0111\u1eb7t h\u1ec7 th\u1ed1ng x\u1eed l\u00fd n\u01b0\u1edbc, s\u1eed d\u1ee5ng thi\u1ebft b\u1ecb l\u1ecdc ho\u1eb7c thay \u0111\u1ed5i ngu\u1ed3n n\u01b0\u1edbc c\u1ee7a ch\u00fang ta.<\/p>\n<figure class=\"wp-block-table\">\n<table>\n<tbody>\n<tr>\n<td colspan=\"2\">B\u1ed9 \u0111i\u1ec1u khi\u1ec3n ch\u01b0\u01a1ng tr\u00ecnh th\u1ea9m th\u1ea5u ng\u01b0\u1ee3c hai giai \u0111o\u1ea1n ROS-2210<\/td>\n<\/tr>\n<tr>\n<td>\u3000<\/td>\n<td>1.b\u1ec3 ch\u1ee9a n\u01b0\u1edbc ngu\u1ed3n kh\u00f4ng c\u00f3 b\u1ea3o v\u1ec7 n\u01b0\u1edbc<\/td>\n<\/tr>\n<tr>\n<td>\u3000<\/td>\n<td>2. B\u1ec3 tinh khi\u1ebft m\u1ee9c th\u1ea5p<\/td>\n<\/tr>\n<tr>\n<td>\u3000<\/td>\n<td>3.B\u1ec3 tinh khi\u1ebft c\u1ea5p cao<\/td>\n<\/tr>\n<tr>\n<td>T\u00edn hi\u1ec7u thu nh\u1eadn<\/td>\n<td>4.b\u1ea3o v\u1ec7 \u00e1p su\u1ea5t th\u1ea5p<\/td>\n<\/tr>\n<tr>\n<td>\u3000<\/td>\n<td>5.b\u1ea3o v\u1ec7 \u00e1p su\u1ea5t cao<\/td>\n<\/tr>\n<tr>\n<td>\u3000<\/td>\n<td>6.t\u00e1i sinh ti\u1ec1n x\u1eed l\u00fd<\/td>\n<\/tr>\n<tr>\n<td>\u3000<\/td>\n<td>7.\u0111i\u1ec1u khi\u1ec3n b\u1eb1ng tay\/t\u1ef1 \u0111\u1ed9ng<\/td>\n<\/tr>\n<tr>\n<td>\u3000<\/td>\n<td>1.van c\u1ea5p n\u01b0\u1edbc<\/td>\n<\/tr>\n<tr>\n<td>\u3000<\/td>\n<td>2. van x\u1ea3<\/td>\n<\/tr>\n<tr>\n<td>Ki\u1ec3m so\u00e1t \u0111\u1ea7u ra<\/td>\n<td>3. b\u01a1m \u00e1p su\u1ea5t th\u1ea5p<\/td>\n<\/tr>\n<tr>\n<td>\u3000<\/td>\n<td>4.b\u01a1m cao \u00e1p<\/td>\n<\/tr>\n<tr>\n<td>\u3000<\/td>\n<td>5.\u0111\u1ed9 d\u1eabn \u0111i\u1ec7n tr\u00ean van ti\u00eau chu\u1ea9n<\/td>\n<\/tr>\n<tr>\n<td>Ph\u1ea1m vi \u0111o<\/td>\n<td>0~2000uS<\/td>\n<\/tr>\n<tr>\n<td>Ph\u1ea1m vi nhi\u1ec7t \u0111\u1ed9<\/td>\n<td>D\u1ef1a tr\u00ean 25\u2103, t\u1ef1 \u0111\u1ed9ng b\u00f9 nhi\u1ec7t \u0111\u1ed9<\/td>\n<\/tr>\n<tr>\n<td>\u3000<\/td>\n<td>AC220v\u00b110 ph\u1ea7n tr\u0103m 50\/60Hz<\/td>\n<\/tr>\n<tr>\n<td>Ngu\u1ed3n \u0111i\u1ec7n<\/td>\n<td>AC110v\u00b110 ph\u1ea7n tr\u0103m 50\/60Hz<\/td>\n<\/tr>\n<tr>\n<td>\u3000<\/td>\n<td>DC24v\u00b110 ph\u1ea7n tr\u0103m <\/td>\n<\/tr>\n<tr>\n<td>Nhi\u1ec7t \u0111\u1ed9 trung b\u00ecnh<\/td>\n<td>\u0110i\u1ec7n c\u1ef1c nhi\u1ec7t \u0111\u1ed9 b\u00ecnh th\u01b0\u1eddng v\u00e0 lt;60\u2103<\/td>\n<\/tr>\n<tr>\n<td>\u3000<\/td>\n<td>\u0110i\u1ec7n c\u1ef1c nhi\u1ec7t \u0111\u1ed9 cao v\u00e0 lt;120\u2103<\/td>\n<\/tr>\n<tr>\n<td>\u0110\u1ea7u ra \u0111i\u1ec1u khi\u1ec3n<\/td>\n<td>5A\/250V AC<\/td>\n<\/tr>\n<tr>\n<td>\u0110\u1ed9 \u1ea9m t\u01b0\u01a1ng \u0111\u1ed1i<\/td>\n<td>\u226485 ph\u1ea7n tr\u0103m <\/td>\n<\/tr>\n<tr>\n<td>Nhi\u1ec7t \u0111\u1ed9 m\u00f4i tr\u01b0\u1eddng<\/td>\n<td>0~50\u2103<\/td>\n<\/tr>\n<tr>\n<td>K\u00edch th\u01b0\u1edbc l\u1ed7<\/td>\n<td>92*92mm(cao*r\u1ed9ng)<\/td>\n<\/tr>\n<tr>\n<td>Ph\u01b0\u01a1ng ph\u00e1p c\u00e0i \u0111\u1eb7t<\/td>\n<td>Ph\u1ea7n nh\u00fang<\/td>\n<\/tr>\n<tr>\n<td>H\u1eb1ng s\u1ed1 \u00f4<\/td>\n<td>1.0cm-\u00b9*2<\/td>\n<\/tr>\n<tr>\n<td>Hi\u1ec3n th\u1ecb c\u00e1ch s\u1eed d\u1ee5ng<\/td>\n<td>Hi\u1ec3n th\u1ecb k\u1ef9 thu\u1eadt s\u1ed1: gi\u00e1 tr\u1ecb \u0111\u1ed9 d\u1eabn\/gi\u00e1 tr\u1ecb nhi\u1ec7t \u0111\u1ed9; Bi\u1ec3u \u0111\u1ed3 quy tr\u00ecnh RO h\u1ed7 tr\u1ee3<\/td>\n<\/tr>\n<tr>\n<td>\u3000<\/td>\n<td>1.C\u00e0i \u0111\u1eb7t lo\u1ea1i v\u00e0 h\u1eb1ng s\u1ed1 \u0111i\u1ec7n c\u1ef1c<\/td>\n<\/tr>\n<tr>\n<td>\u3000<\/td>\n<td>2.C\u00e0i \u0111\u1eb7t v\u01b0\u1ee3t qu\u00e1 \u0111\u1ed9 d\u1eabn \u0111i\u1ec7n<\/td>\n<\/tr>\n<tr>\n<td>\u3000<\/td>\n<td>3.C\u00e0i \u0111\u1eb7t x\u1ea3 trong kho\u1ea3ng th\u1eddi gian * gi\u1edd<\/td>\n<\/tr>\n<tr>\n<td>Ch\u1ee9c n\u0103ng ch\u00ednh<\/td>\n<td>4.C\u00e0i \u0111\u1eb7t th\u1eddi gian x\u1ea3<\/td>\n<\/tr>\n<tr>\n<td>\u3000<\/td>\n<td>5.C\u00e0i \u0111\u1eb7t th\u1eddi gian ch\u1ea1y m\u00e0ng RO<\/td>\n<\/tr>\n<tr>\n<td>\u3000<\/td>\n<td>6.B\u1eadt ngu\u1ed3n t\u1ef1 \u0111\u1ed9ng v\u1eadn h\u00e0nh\/c\u00e0i \u0111\u1eb7t d\u1eebng<\/td>\n<\/tr>\n<tr>\n<td>\u3000<\/td>\n<td>7.\u0110\u1ecba ch\u1ec9 g\u1eedi th\u01b0, c\u00e0i \u0111\u1eb7t t\u1ed1c \u0111\u1ed9 truy\u1ec1n<\/td>\n<\/tr>\n<tr>\n<td>\u3000<\/td>\n<td>8.Giao di\u1ec7n truy\u1ec1n th\u00f4ng RS-485 t\u00f9y ch\u1ecdn<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/figure>\n<p>\nT\u00f3m l\u1ea1i, c\u00e1c con s\u1ed1 tr\u00ean m\u00e1y \u0111o TDS cung c\u1ea5p th\u00f4ng tin c\u00f3 gi\u00e1 tr\u1ecb v\u1ec1 ch\u1ea5t l\u01b0\u1ee3ng n\u01b0\u1edbc c\u1ee7a ch\u00fang ta. B\u1eb1ng c\u00e1ch di\u1ec5n gi\u1ea3i nh\u1eefng con s\u1ed1 n\u00e0y m\u1ed9t c\u00e1ch ch\u00ednh x\u00e1c, ch\u00fang ta c\u00f3 th\u1ec3 \u0111\u01b0a ra nh\u1eefng quy\u1ebft \u0111\u1ecbnh s\u00e1ng su\u1ed1t v\u1ec1 c\u00e1ch b\u1ea3o v\u1ec7 s\u1ee9c kh\u1ecfe v\u00e0 m\u00f4i tr\u01b0\u1eddng. Gi\u00e1m s\u00e1t m\u1ee9c TDS l\u00e0 m\u1ed9t c\u00e1ch \u0111\u01a1n gi\u1ea3n nh\u01b0ng hi\u1ec7u qu\u1ea3 \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o r\u1eb1ng n\u01b0\u1edbc c\u1ee7a ch\u00fang ta an to\u00e0n, s\u1ea1ch s\u1ebd v\u00e0 kh\u00f4ng c\u00f3 c\u00e1c ch\u1ea5t g\u00e2y \u00f4 nhi\u1ec5m c\u00f3 h\u1ea1i.<\/p>\n<h1 id=\"interpreting-tds-meter-readings-for-safe-drinking-water-wpaicgheading\"><span class=\"ez-toc-section\" id=\"Giai_thich_cac_chi_so_tren_dong_ho_TDS_cho_nuoc_uong_an_toan\"><\/span>Gi\u1ea3i th\u00edch c\u00e1c ch\u1ec9 s\u1ed1 tr\u00ean \u0111\u1ed3ng h\u1ed3 TDS cho n\u01b0\u1edbc u\u1ed1ng an to\u00e0n<span class=\"ez-toc-section-end\"><\/span><\/h1>\n<p>\nM\u00e1y \u0111o t\u1ed5ng ch\u1ea5t r\u1eafn h\u00f2a tan (TDS) l\u00e0 c\u00f4ng c\u1ee5 thi\u1ebft y\u1ebfu \u0111\u1ec3 gi\u00e1m s\u00e1t ch\u1ea5t l\u01b0\u1ee3ng n\u01b0\u1edbc u\u1ed1ng. Nh\u1eefng thi\u1ebft b\u1ecb n\u00e0y \u0111o n\u1ed3ng \u0111\u1ed9 kho\u00e1ng ch\u1ea5t h\u00f2a tan v\u00e0 mu\u1ed1i trong n\u01b0\u1edbc, cung c\u1ea5p th\u00f4ng tin c\u00f3 gi\u00e1 tr\u1ecb v\u1ec1 \u0111\u1ed9 tinh khi\u1ebft c\u1ee7a n\u01b0\u1edbc. Hi\u1ec3u c\u00e1c con s\u1ed1 hi\u1ec3n th\u1ecb tr\u00ean m\u00e1y \u0111o TDS l\u00e0 r\u1ea5t quan tr\u1ecdng \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o n\u01b0\u1edbc u\u1ed1ng c\u1ee7a b\u1ea1n an to\u00e0n v\u00e0 t\u1ed1t cho s\u1ee9c kh\u1ecfe.<\/p>\n<p>Khi s\u1eed d\u1ee5ng m\u00e1y \u0111o TDS, \u0111i\u1ec1u quan tr\u1ecdng l\u00e0 ph\u1ea3i bi\u1ebft \u00fd ngh\u0129a c\u1ee7a c\u00e1c con s\u1ed1. TDS th\u01b0\u1eddng \u0111\u01b0\u1ee3c \u0111o b\u1eb1ng ph\u1ea7n tri\u1ec7u (ppm), bi\u1ec3u th\u1ecb s\u1ed1 miligam ch\u1ea5t r\u1eafn h\u00f2a tan tr\u00ean m\u1ed9t l\u00edt n\u01b0\u1edbc. Ch\u1ec9 s\u1ed1 TDS c\u00e0ng cao th\u00ec n\u1ed3ng \u0111\u1ed9 ch\u1ea5t r\u1eafn h\u00f2a tan trong n\u01b0\u1edbc c\u00e0ng cao. M\u1eb7c d\u00f9 m\u1ed9t s\u1ed1 kho\u00e1ng ch\u1ea5t c\u00f3 l\u1ee3i cho s\u1ee9c kh\u1ecfe nh\u01b0ng m\u1ee9c TDS qu\u00e1 cao c\u00f3 th\u1ec3 cho th\u1ea5y n\u01b0\u1edbc b\u1ecb \u00f4 nhi\u1ec5m ho\u1eb7c ch\u1ea5t l\u01b0\u1ee3ng n\u01b0\u1edbc k\u00e9m.<\/p>\n<figure class=\"wp-block-table\">\n<table>\n<tbody>\n<tr>\n<td>M\u00f4 h\u00ecnh<\/td>\n<td>CIT-8800 B\u1ed9 \u0111i\u1ec1u khi\u1ec3n Oline d\u1eabn \u0111i\u1ec7n\/n\u1ed3ng \u0111\u1ed9 c\u1ea3m \u1ee9ng<\/td>\n<\/tr>\n<tr>\n<td>T\u1eadp trung<\/td>\n<td>1.NaOH:(0~15) ph\u1ea7n tr\u0103m ho\u1eb7c (25~50) ph\u1ea7n tr\u0103m ; 2.HNO<sub>3<\/sub>:(0~25) ph\u1ea7n tr\u0103m ho\u1eb7c (36~82) ph\u1ea7n tr\u0103m ; 3. \u0110\u01b0\u1eddng cong n\u1ed3ng \u0111\u1ed9 do ng\u01b0\u1eddi d\u00f9ng x\u00e1c \u0111\u1ecbnh<\/td>\n<\/tr>\n<tr>\n<td>\u0110\u1ed9 d\u1eabn \u0111i\u1ec7n<\/td>\n<td>(500~2.000.000)uS\/cm<\/td>\n<\/tr>\n<tr>\n<td>TDS<\/td>\n<td>(250~1.000.000)ppm<\/td>\n<\/tr>\n<tr>\n<td>Nhi\u1ec7t \u0111\u1ed9.<\/td>\n<td>(0~120)\u00b0C<\/td>\n<\/tr>\n<tr>\n<td>\u0110\u1ed9 ph\u00e2n gi\u1ea3i<\/td>\n<td>\u0110\u1ed9 d\u1eabn \u0111i\u1ec7n: 0,01uS\/cm; N\u1ed3ng \u0111\u1ed9: 0,01% ; TDS:0,01ppm, Nhi\u1ec7t \u0111\u1ed9: 0,1\u2103<\/td>\n<\/tr>\n<tr>\n<td rowspan=\"2\">\u0110\u1ed9 ch\u00ednh x\u00e1c<\/td>\n<td>\u0110\u1ed9 d\u1eabn \u0111i\u1ec7n: (500~1000)uS\/cm +\/-10uS\/cm; (1~2000)mS\/cm+\/-1,0 ph\u1ea7n tr\u0103m <\/td>\n<\/tr>\n<tr>\n<td>TDS: c\u1ea5p 1,5, Nhi\u1ec7t \u0111\u1ed9: +\/- 0,5\u2103<\/td>\n<\/tr>\n<tr>\n<td>Nhi\u1ec7t \u0111\u1ed9. b\u1ed3i th\u01b0\u1eddng<\/td>\n<td>Ph\u1ea1m vi: (0~120)\u00b0C; ph\u1ea7n t\u1eed: Pt1000<\/td>\n<\/tr>\n<tr>\n<td>C\u1ed5ng giao ti\u1ebfp<\/td>\n<td>Giao th\u1ee9c RS485.Modbus RTU<\/td>\n<\/tr>\n<tr>\n<td>\u0110\u1ea7u ra t\u01b0\u01a1ng t\u1ef1<\/td>\n<td>Hai k\u00eanh c\u00e1ch ly\/c\u00f3 th\u1ec3 v\u1eadn chuy\u1ec3n (4-20)mA, Thi\u1ebft b\u1ecb \/ M\u00e1y ph\u00e1t \u0111\u1ec3 l\u1ef1a ch\u1ecdn<\/td>\n<\/tr>\n<tr>\n<td>\u0110\u1ea7u Ra \u0110i\u1ec1u Khi\u1ec3n<\/td>\n<td>C\u00f4ng t\u1eafc quang \u0111i\u1ec7n b\u00e1n d\u1eabn ba k\u00eanh, C\u00f4ng t\u1eafc l\u1eadp tr\u00ecnh, xung v\u00e0 t\u1ea7n s\u1ed1<\/td>\n<\/tr>\n<tr>\n<td>M\u00f4i tr\u01b0\u1eddng l\u00e0m vi\u1ec7c<\/td>\n<td>Nhi\u1ec7t \u0111\u1ed9.(0~50)\u2103; \u0111\u1ed9 \u1ea9m t\u01b0\u01a1ng \u0111\u1ed1i v\u00e0 lt;95% 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>Nhi\u1ec7t \u0111\u1ed9.(-20~60)\u2103;\u0110\u1ed9 \u1ea9m t\u01b0\u01a1ng \u0111\u1ed1i \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>DC 24V+15% <\/td>\n<\/tr>\n<tr>\n<td>M\u1ee9c \u0111\u1ed9 b\u1ea3o v\u1ec7<\/td>\n<td>IP65 (c\u00f3 n\u1eafp sau)<\/td>\n<\/tr>\n<tr>\n<td>K\u00edch th\u01b0\u1edbc<\/td>\n<td>96mmx96mmx94mm(CxRxS)<\/td>\n<\/tr>\n<tr>\n<td>K\u00edch th\u01b0\u1edbc l\u1ed7<\/td>\n<td>9lmx91mm(CxR)<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/figure>\n<p>\nTDS d\u01b0\u1edbi 50 ppm \u0111\u01b0\u1ee3c coi l\u00e0 r\u1ea5t th\u1ea5p v\u00e0 c\u00f3 th\u1ec3 cho th\u1ea5y n\u01b0\u1edbc \u0111ang thi\u1ebfu c\u00e1c kho\u00e1ng ch\u1ea5t thi\u1ebft y\u1ebfu. M\u1eb7c d\u00f9 \u0111i\u1ec1u n\u00e0y kh\u00f4ng nh\u1ea5t thi\u1ebft c\u00f3 h\u1ea1i nh\u01b0ng \u0111i\u1ec1u quan tr\u1ecdng l\u00e0 ph\u1ea3i \u0111\u1ea3m b\u1ea3o r\u1eb1ng b\u1ea1n nh\u1eadn \u0111\u1ee7 ch\u1ea5t dinh d\u01b0\u1ee1ng t\u1eeb c\u00e1c ngu\u1ed3n kh\u00e1c. N\u01b0\u1edbc c\u00f3 ch\u1ec9 s\u1ed1 TDS trong kho\u1ea3ng 50-100 ppm th\u01b0\u1eddng \u0111\u01b0\u1ee3c coi l\u00e0 c\u00f3 th\u1ec3 u\u1ed1ng \u0111\u01b0\u1ee3c v\u00ec n\u00f3 ch\u1ee9a m\u1ed9t l\u01b0\u1ee3ng kho\u00e1ng ch\u1ea5t v\u1eeba ph\u1ea3i.<\/p>\n<div class=\"entry-content-asset videofit\"><iframe loading=\"lazy\" title=\"High Accuracy 4-20mA Absolute Pressure Transmitter For Liquid Gas And Steam\" width=\"720\" height=\"405\" src=\"https:\/\/www.youtube.com\/embed\/EL0pJGBee4I?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>\nM\u1ee9c TDS trong kho\u1ea3ng 100-300 ppm v\u1eabn n\u1eb1m trong ph\u1ea1m vi an to\u00e0n \u0111\u1ed1i v\u1edbi n\u01b0\u1edbc u\u1ed1ng. Ph\u1ea1m vi n\u00e0y ph\u1ed5 bi\u1ebfn \u1edf h\u1ea7u h\u1ebft c\u00e1c ngu\u1ed3n n\u01b0\u1edbc m\u00e1y v\u00e0 th\u01b0\u1eddng \u0111\u01b0\u1ee3c coi l\u00e0 t\u1ed1t cho s\u1ee9c kh\u1ecfe khi ti\u00eau d\u00f9ng. Tuy nhi\u00ean, \u0111i\u1ec1u quan tr\u1ecdng c\u1ea7n l\u01b0u \u00fd l\u00e0 m\u00f9i v\u1ecb c\u1ee7a n\u01b0\u1edbc c\u00f3 th\u1ec3 thay \u0111\u1ed5i t\u00f9y thu\u1ed9c v\u00e0o h\u00e0m l\u01b0\u1ee3ng kho\u00e1ng ch\u1ea5t.<\/p>\n<p>TDS trong kho\u1ea3ng 300-500 ppm c\u00f3 th\u1ec3 cho th\u1ea5y n\u01b0\u1edbc c\u1ee9ng, ngh\u0129a l\u00e0 n\u00f3 ch\u1ee9a h\u00e0m l\u01b0\u1ee3ng canxi v\u00e0 magie cao. M\u1eb7c d\u00f9 n\u01b0\u1edbc c\u1ee9ng kh\u00f4ng g\u00e2y h\u1ea1i cho s\u1ee9c kh\u1ecfe nh\u01b0ng n\u00f3 c\u00f3 th\u1ec3 g\u00e2y t\u00edch t\u1ee5 kho\u00e1ng ch\u1ea5t trong \u0111\u01b0\u1eddng \u1ed1ng v\u00e0 thi\u1ebft b\u1ecb. N\u01b0\u1edbc c\u00f3 m\u1ee9c TDS tr\u00ean 500 ppm \u0111\u01b0\u1ee3c coi l\u00e0 r\u1ea5t c\u1ee9ng v\u00e0 c\u00f3 th\u1ec3 c\u00f3 m\u00f9i v\u1ecb d\u1ec5 nh\u1eadn th\u1ea5y. Trong m\u1ed9t s\u1ed1 tr\u01b0\u1eddng h\u1ee3p, h\u1ec7 th\u1ed1ng l\u00e0m m\u1ec1m n\u01b0\u1edbc c\u00f3 th\u1ec3 c\u1ea7n thi\u1ebft \u0111\u1ec3 c\u1ea3i thi\u1ec7n ch\u1ea5t l\u01b0\u1ee3ng n\u01b0\u1edbc.<\/p>\n<p>N\u1ebfu ch\u1ec9 s\u1ed1 TDS v\u01b0\u1ee3t qu\u00e1 1000 ppm, \u0111i\u1ec1u quan tr\u1ecdng l\u00e0 ph\u1ea3i \u0111i\u1ec1u tra ngu\u1ed3n n\u01b0\u1edbc v\u00e0 c\u00e2n nh\u1eafc s\u1eed d\u1ee5ng h\u1ec7 th\u1ed1ng l\u1ecdc n\u01b0\u1edbc. M\u1ee9c TDS cao c\u00f3 th\u1ec3 cho th\u1ea5y s\u1ef1 \u00f4 nhi\u1ec5m t\u1eeb c\u00e1c ch\u1ea5t \u00f4 nhi\u1ec5m ho\u1eb7c h\u00f3a ch\u1ea5t, c\u00f3 th\u1ec3 g\u00e2y nguy hi\u1ec3m cho s\u1ee9c kh\u1ecfe n\u1ebfu ti\u00eau th\u1ee5. N\u00ean ki\u1ec3m tra n\u01b0\u1edbc th\u01b0\u1eddng xuy\u00ean v\u00e0 th\u1ef1c hi\u1ec7n c\u00e1c bi\u1ec7n ph\u00e1p th\u00edch h\u1ee3p \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o an to\u00e0n.<\/p>\n<p>Ngo\u00e0i m\u1ee9c TDS, \u0111i\u1ec1u quan tr\u1ecdng l\u00e0 ph\u1ea3i xem x\u00e9t c\u00e1c y\u1ebfu t\u1ed1 kh\u00e1c khi di\u1ec5n gi\u1ea3i ch\u1ec9 s\u1ed1 tr\u00ean \u0111\u1ed3ng h\u1ed3 TDS. \u0110\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 ch\u1ea5t l\u01b0\u1ee3ng chung c\u1ee7a n\u01b0\u1edbc u\u1ed1ng. B\u1eb1ng c\u00e1ch gi\u00e1m s\u00e1t c\u00e1c y\u1ebfu t\u1ed1 n\u00e0y c\u00f9ng v\u1edbi m\u1ee9c TDS, b\u1ea1n c\u00f3 th\u1ec3 \u0111\u1ea3m b\u1ea3o r\u1eb1ng n\u01b0\u1edbc c\u1ee7a b\u1ea1n an to\u00e0n v\u00e0 t\u1ed1t cho s\u1ee9c kh\u1ecfe \u0111\u1ec3 ti\u00eau d\u00f9ng.<\/p>\n<p>T\u00f3m l\u1ea1i, hi\u1ec3u r\u00f5 c\u00e1c con s\u1ed1 tr\u00ean \u0111\u1ed3ng h\u1ed3 TDS l\u00e0 \u0111i\u1ec1u c\u1ea7n thi\u1ebft \u0111\u1ec3 duy tr\u00ec n\u01b0\u1edbc u\u1ed1ng an to\u00e0n. B\u1eb1ng c\u00e1ch gi\u1ea3i th\u00edch c\u00e1c ch\u1ec9 s\u1ed1 TDS v\u00e0 th\u1ef1c hi\u1ec7n c\u00e1c bi\u1ec7n ph\u00e1p th\u00edch h\u1ee3p \u0111\u1ec3 gi\u1ea3i quy\u1ebft m\u1ecdi v\u1ea5n \u0111\u1ec1, b\u1ea1n c\u00f3 th\u1ec3 \u0111\u1ea3m b\u1ea3o r\u1eb1ng n\u01b0\u1edbc c\u1ee7a b\u1ea1n kh\u00f4ng c\u00f3 ch\u1ea5t g\u00e2y \u00f4 nhi\u1ec5m v\u00e0 ph\u00f9 h\u1ee3p \u0111\u1ec3 ti\u00eau d\u00f9ng. Ki\u1ec3m tra v\u00e0 gi\u00e1m s\u00e1t th\u01b0\u1eddng xuy\u00ean l\u00e0 ch\u00eca kh\u00f3a \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o ch\u1ea5t l\u01b0\u1ee3ng n\u01b0\u1edbc u\u1ed1ng v\u00e0 b\u1ea3o v\u1ec7 s\u1ee9c kh\u1ecfe c\u1ee7a b\u1ea1n.<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/shchimay.com\/wp-content\/uploads\/2024\/04\/CCT-5300-1.png\" alt=\"alt-4528\" class=\"wp-image-4528\" id=\"i4528\" \/><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Hi\u1ec3u t\u1ea7m quan tr\u1ecdng c\u1ee7a m\u1ee9c TDS trong ch\u1ea5t l\u01b0\u1ee3ng n\u01b0\u1edbc T\u1ed5ng ch\u1ea5t r\u1eafn h\u00f2a tan (TDS) l\u00e0 m\u1ed9t kh\u00eda c\u1ea1nh quan tr\u1ecdng c\u1ee7a ch\u1ea5t l\u01b0\u1ee3ng n\u01b0\u1edbc c\u00f3 th\u1ec3 c\u00f3 t\u00e1c \u0111\u1ed9ng \u0111\u00e1ng k\u1ec3 \u0111\u1ebfn s\u1ee9c kh\u1ecfe v\u00e0 m\u00f4i tr\u01b0\u1eddng c\u1ee7a ch\u00fang ta. TDS \u0111\u1ec1 c\u1eadp \u0111\u1ebfn t\u1ed5ng l\u01b0\u1ee3ng ch\u1ea5t h\u00f2a tan trong n\u01b0\u1edbc, bao&#8230;<\/p>\n","protected":false},"author":1,"featured_media":0,"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":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":false,"content":false,"excerpt":false},"pt":{"title":true,"content":true,"excerpt":false},"ar":{"title":false,"content":false,"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":false,"content":false,"excerpt":false},"hi":{"title":false,"content":false,"excerpt":false},"th":{"title":true,"content":true,"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\/11978"}],"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=11978"}],"version-history":[{"count":12,"href":"https:\/\/shchimay.com\/vi\/wp-json\/wp\/v2\/posts\/11978\/revisions"}],"predecessor-version":[{"id":12103,"href":"https:\/\/shchimay.com\/vi\/wp-json\/wp\/v2\/posts\/11978\/revisions\/12103"}],"wp:attachment":[{"href":"https:\/\/shchimay.com\/vi\/wp-json\/wp\/v2\/media?parent=11978"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/shchimay.com\/vi\/wp-json\/wp\/v2\/categories?post=11978"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/shchimay.com\/vi\/wp-json\/wp\/v2\/tags?post=11978"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}