{"id":22982,"date":"2024-08-30T06:10:50","date_gmt":"2024-08-29T22:10:50","guid":{"rendered":"https:\/\/shchimay.com\/?p=22982"},"modified":"2024-08-31T15:40:34","modified_gmt":"2024-08-31T07:40:34","slug":"what-is-an-orp-meter","status":"publish","type":"post","link":"https:\/\/shchimay.com\/vi\/what-is-an-orp-meter\/","title":{"rendered":"m\u00e1y \u0111o orp l\u00e0 g\u00ec"},"content":{"rendered":"<h1 id=\"overview-of-orp-meter-and-its-importance-in-water-quality-monitoring-wpaicgheading\">T\u1ed5ng quan v\u1ec1 m\u00e1y \u0111o ORP v\u00e0 t\u1ea7m quan tr\u1ecdng c\u1ee7a n\u00f3 trong gi\u00e1m s\u00e1t ch\u1ea5t l\u01b0\u1ee3ng n\u01b0\u1edbc<\/h1>\n<p>\nM\u00e1y \u0111o ORP, hay m\u00e1y \u0111o th\u1ebf oxy h\u00f3a-kh\u1eed, l\u00e0 m\u1ed9t thi\u1ebft b\u1ecb d\u00f9ng \u0111\u1ec3 \u0111o kh\u1ea3 n\u0103ng ho\u1ea1t \u0111\u1ed9ng c\u1ee7a m\u1ed9t dung d\u1ecbch nh\u01b0 m\u1ed9t ch\u1ea5t oxy h\u00f3a ho\u1eb7c ch\u1ea5t kh\u1eed. Ph\u00e9p \u0111o n\u00e0y r\u1ea5t quan tr\u1ecdng trong nhi\u1ec1u ng\u00e0nh c\u00f4ng nghi\u1ec7p kh\u00e1c nhau, bao g\u1ed3m x\u1eed l\u00fd n\u01b0\u1edbc, nu\u00f4i tr\u1ed3ng th\u1ee7y s\u1ea3n v\u00e0 ch\u1ebf bi\u1ebfn th\u1ef1c ph\u1ea9m v\u00ec n\u00f3 cung c\u1ea5p th\u00f4ng tin c\u00f3 gi\u00e1 tr\u1ecb v\u1ec1 ch\u1ea5t l\u01b0\u1ee3ng c\u1ee7a gi\u1ea3i ph\u00e1p \u0111ang \u0111\u01b0\u1ee3c th\u1eed nghi\u1ec7m. M\u00e1y \u0111o ORP th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong gi\u00e1m s\u00e1t ch\u1ea5t l\u01b0\u1ee3ng n\u01b0\u1edbc \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o n\u01b0\u1edbc an to\u00e0n cho ti\u00eau d\u00f9ng ho\u1eb7c c\u00e1c m\u1ee5c \u0111\u00edch s\u1eed d\u1ee5ng kh\u00e1c.<\/p>\n<p>Gi\u00e1 tr\u1ecb ORP \u0111\u01b0\u1ee3c \u0111o b\u1eb1ng milivolt (mV) v\u00e0 cho bi\u1ebft xu h\u01b0\u1edbng thu ho\u1eb7c m\u1ea5t electron c\u1ee7a m\u1ed9t gi\u1ea3i ph\u00e1p. Gi\u00e1 tr\u1ecb ORP d\u01b0\u01a1ng cho bi\u1ebft dung d\u1ecbch \u0111ang b\u1ecb oxy h\u00f3a, ngh\u0129a l\u00e0 n\u00f3 c\u00f3 kh\u1ea3 n\u0103ng nh\u1eadn electron v\u00e0 g\u00e2y ra ph\u1ea3n \u1ee9ng oxy h\u00f3a. M\u1eb7t kh\u00e1c, gi\u00e1 tr\u1ecb ORP \u00e2m cho th\u1ea5y dung d\u1ecbch c\u00f3 t\u00ednh kh\u1eed, ngh\u0129a l\u00e0 n\u00f3 c\u00f3 kh\u1ea3 n\u0103ng cho electron v\u00e0 g\u00e2y ra ph\u1ea3n \u1ee9ng kh\u1eed. Gi\u00e1 tr\u1ecb ORP c\u00f3 th\u1ec3 n\u1eb1m trong kho\u1ea3ng t\u1eeb -200 mV \u0111\u1ebfn +1200 mV, v\u1edbi 0 mV \u0111\u01b0\u1ee3c coi l\u00e0 trung t\u00ednh.<\/p>\n<p><img decoding=\"async\" src=\"http:\/\/shchimay.com\/wp-content\/uploads\/2023\/11\/BSQ-MINI-Water-Quality-Monitoring-Transmitter-4.png\" alt=\"alt-822\" class=\"wp-image-822\" id=\"i822\" \/><\/p>\n<p>M\u00e1y \u0111o ORP th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng c\u00f9ng v\u1edbi m\u00e1y \u0111o pH \u0111\u1ec3 cung c\u1ea5p ph\u00e2n t\u00edch to\u00e0n di\u1ec7n v\u1ec1 ch\u1ea5t l\u01b0\u1ee3ng n\u01b0\u1edbc. Trong khi m\u00e1y \u0111o pH \u0111o \u0111\u1ed9 axit ho\u1eb7c \u0111\u1ed9 ki\u1ec1m c\u1ee7a dung d\u1ecbch, m\u00e1y \u0111o ORP cung c\u1ea5p th\u00f4ng tin v\u1ec1 t\u00ecnh tr\u1ea1ng t\u1ed5ng th\u1ec3 c\u1ee7a dung d\u1ecbch. B\u1eb1ng c\u00e1ch \u0111o c\u1ea3 gi\u00e1 tr\u1ecb pH v\u00e0 ORP, c\u00e1c chuy\u00ean gia ch\u1ea5t l\u01b0\u1ee3ng n\u01b0\u1edbc c\u00f3 th\u1ec3 x\u00e1c \u0111\u1ecbnh xem n\u01b0\u1edbc c\u00f3 ph\u00f9 h\u1ee3p v\u1edbi m\u1ee5c \u0111\u00edch s\u1eed d\u1ee5ng hay kh\u00f4ng.<\/p>\n<p>Trong c\u00e1c nh\u00e0 m\u00e1y x\u1eed l\u00fd n\u01b0\u1edbc, m\u00e1y \u0111o ORP \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 theo d\u00f5i hi\u1ec7u qu\u1ea3 c\u1ee7a qu\u00e1 tr\u00ecnh kh\u1eed tr\u00f9ng. Clo th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 kh\u1eed tr\u00f9ng n\u01b0\u1edbc b\u1eb1ng c\u00e1ch oxy h\u00f3a vi khu\u1ea9n v\u00e0 m\u1ea7m b\u1ec7nh c\u00f3 h\u1ea1i. B\u1eb1ng c\u00e1ch \u0111o gi\u00e1 tr\u1ecb ORP c\u1ee7a n\u01b0\u1edbc, ng\u01b0\u1eddi v\u1eadn h\u00e0nh c\u00f3 th\u1ec3 \u0111\u1ea3m b\u1ea3o r\u1eb1ng n\u1ed3ng \u0111\u1ed9 clo \u0111\u1ee7 \u0111\u1ec3 ti\u00eau di\u1ec7t vi khu\u1ea9n \u0111\u1ed3ng th\u1eddi ng\u0103n ng\u1eeba t\u00ecnh tr\u1ea1ng clo h\u00f3a qu\u00e1 m\u1ee9c, c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn c\u00e1c s\u1ea3n ph\u1ea9m ph\u1ee5 c\u00f3 h\u1ea1i.<\/p>\n<div class=\"entry-content-asset videofit\"><iframe loading=\"lazy\" title=\"online pH Transmitting controller for water treatment\" width=\"720\" height=\"405\" src=\"https:\/\/www.youtube.com\/embed\/K1X_JvYPARI?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>Trong nu\u00f4i tr\u1ed3ng th\u1ee7y s\u1ea3n, m\u00e1y \u0111o ORP \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 theo d\u00f5i ch\u1ea5t l\u01b0\u1ee3ng n\u01b0\u1edbc trong b\u1ec3 c\u00e1, ao nu\u00f4i. C\u00e1 r\u1ea5t nh\u1ea1y c\u1ea3m v\u1edbi nh\u1eefng thay \u0111\u1ed5i v\u1ec1 ch\u1ea5t l\u01b0\u1ee3ng n\u01b0\u1edbc v\u00e0 vi\u1ec7c duy tr\u00ec gi\u00e1 tr\u1ecb ORP th\u00edch h\u1ee3p l\u00e0 \u0111i\u1ec1u c\u1ea7n thi\u1ebft cho s\u1ee9c kh\u1ecfe v\u00e0 s\u1ef1 ph\u00e1t tri\u1ec3n c\u1ee7a ch\u00fang. B\u1eb1ng c\u00e1ch th\u01b0\u1eddng xuy\u00ean \u0111o gi\u00e1 tr\u1ecb ORP c\u1ee7a n\u01b0\u1edbc, ng\u01b0\u1eddi nu\u00f4i tr\u1ed3ng th\u1ee7y s\u1ea3n c\u00f3 th\u1ec3 \u0111\u1ea3m b\u1ea3o r\u1eb1ng c\u00e1 \u0111ang s\u1ed1ng trong m\u00f4i tr\u01b0\u1eddng s\u1ea1ch s\u1ebd v\u00e0 kh\u1ecfe m\u1ea1nh.<\/p>\n<p>Trong ch\u1ebf bi\u1ebfn th\u1ef1c ph\u1ea9m, m\u00e1y \u0111o ORP \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 gi\u00e1m s\u00e1t ch\u1ea5t l\u01b0\u1ee3ng c\u1ee7a c\u00e1c dung d\u1ecbch l\u00e0m s\u1ea1ch v\u00e0 kh\u1eed tr\u00f9ng. B\u1eb1ng c\u00e1ch \u0111o gi\u00e1 tr\u1ecb ORP c\u1ee7a c\u00e1c dung d\u1ecbch n\u00e0y, c\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t th\u1ef1c ph\u1ea9m c\u00f3 th\u1ec3 \u0111\u1ea3m b\u1ea3o r\u1eb1ng h\u1ecd \u0111ang lo\u1ea1i b\u1ecf hi\u1ec7u qu\u1ea3 vi khu\u1ea9n v\u00e0 c\u00e1c ch\u1ea5t g\u00e2y \u00f4 nhi\u1ec5m kh\u00e1c kh\u1ecfi thi\u1ebft b\u1ecb v\u00e0 b\u1ec1 m\u1eb7t. \u0110i\u1ec1u n\u00e0y r\u1ea5t quan tr\u1ecdng \u0111\u1ec3 ng\u0103n ng\u1eeba c\u00e1c b\u1ec7nh do th\u1ef1c ph\u1ea9m g\u00e2y ra v\u00e0 \u0111\u1ea3m b\u1ea3o an to\u00e0n cho ng\u01b0\u1eddi ti\u00eau d\u00f9ng.<\/p>\n<figure class=\"wp-block-table\">\n<table>\n<tbody>\n<tr>\n<td>M\u00f4 h\u00ecnh<\/td>\n<td>CCT-8301A B\u1ed9 \u0111i\u1ec1u khi\u1ec3n tr\u1ef1c tuy\u1ebfn \u0110\u1ed9 d\u1eabn \u0111i\u1ec7n\/\u0110i\u1ec7n tr\u1edf su\u1ea5t\/TDS\/TEMP<\/td>\n<\/tr>\n<tr>\n<td>Kh\u00f4ng \u0111\u1ed5i<\/td>\n<td>0,01cm<sup>-1<\/sup>, 0,1cm<sup>-1<\/sup>, 1,0cm<sup>-1<\/sup>, 10,0cm<sup>-1<\/sup><\/td>\n<\/tr>\n<tr>\n<td>\u0110\u1ed9 d\u1eabn \u0111i\u1ec7n<\/td>\n<td>(500~100.000)uS\/cm,(1~10.000)uS\/cm, (0,5~200)uS\/cm, (0,05~18,25) M\u03a9\u00b7cm<\/td>\n<\/tr>\n<tr>\n<td>TDS<\/td>\n<td>(250~50.000)ppm, (0,5~5.000)ppm, (0,25~100)ppm<\/td>\n<\/tr>\n<tr>\n<td>Nhi\u1ec7t \u0111\u1ed9 trung b\u00ecnh.<\/td>\n<td>(0~180)\u00b0C(Nhi\u1ec7t \u0111\u1ed9. B\u1ed3i th\u01b0\u1eddng: Pt1000)<\/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, 0,01mS\/cm; \u0110i\u1ec7n tr\u1edf su\u1ea5t: 0,01M\u03a9\u00b7cm; TDS:0,01ppm, Nhi\u1ec7t \u0111\u1ed9: 0,1\u2103<\/td>\n<\/tr>\n<tr>\n<td>\u0110\u1ed9 ch\u00ednh x\u00e1c<\/td>\n<td>\u0110\u1ed9 d\u1eabn \u0111i\u1ec7n: 1,5 ph\u1ea7n tr\u0103m (FS), \u0110i\u1ec7n tr\u1edf su\u1ea5t: 2,0 ph\u1ea7n tr\u0103m (FS), TDS: 1,5 ph\u1ea7n tr\u0103m (FS), 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>V\u1edbi25\u00b0C l\u00e0 ti\u00eau chu\u1ea9n trong m\u00f4i tr\u01b0\u1eddng b\u00ecnh th\u01b0\u1eddng; V\u1edbi 90C l\u00e0 ti\u00eau chu\u1ea9n trong m\u00f4i tr\u01b0\u1eddng nhi\u1ec7t \u0111\u1ed9 cao<\/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>K\u00eanh \u0111\u00f4i (4~20)mA. D\u1ee5ng c\u1ee5\/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 r\u01a1le b\u00e1n d\u1eabn quang \u0111i\u1ec7n t\u1eed ba k\u00eanh, Kh\u1ea3 n\u0103ng ch\u1ecbu t\u1ea3i: AC\/DC 30V,50mA(max)<\/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 <95%RH (non-condensing)<\/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>DC24V+\/- 15 ph\u1ea7n tr\u0103m <\/td>\n<\/tr>\n<tr>\n<td>M\u1ee9c \u0111\u1ed9 b\u1ea3o v\u1ec7<\/td>\n<td>IP65 (c\u00f3 n\u1eafp l\u01b0ng)<\/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>\nNh\u00ecn chung, m\u00e1y \u0111o ORP \u0111\u00f3ng vai tr\u00f2 quan tr\u1ecdng trong vi\u1ec7c gi\u00e1m s\u00e1t ch\u1ea5t l\u01b0\u1ee3ng n\u01b0\u1edbc \u1edf nhi\u1ec1u ng\u00e0nh c\u00f4ng nghi\u1ec7p kh\u00e1c nhau. B\u1eb1ng c\u00e1ch cung c\u1ea5p th\u00f4ng tin c\u00f3 gi\u00e1 tr\u1ecb v\u1ec1 \u0111\u1eb7c t\u00ednh oxy h\u00f3a v\u00e0 kh\u1eed c\u1ee7a c\u00e1c dung d\u1ecbch, m\u00e1y \u0111o ORP gi\u00fap \u0111\u1ea3m b\u1ea3o n\u01b0\u1edbc an to\u00e0n cho ng\u01b0\u1eddi ti\u00eau d\u00f9ng, ho\u1ea1t \u0111\u1ed9ng nu\u00f4i tr\u1ed3ng th\u1ee7y s\u1ea3n th\u00e0nh c\u00f4ng v\u00e0 c\u00e1c c\u01a1 s\u1edf ch\u1ebf bi\u1ebfn th\u1ef1c ph\u1ea9m duy tr\u00ec ti\u00eau chu\u1ea9n cao v\u1ec1 \u0111\u1ed9 s\u1ea1ch. V\u1edbi s\u1ef1 t\u1eadp trung ng\u00e0y c\u00e0ng nhi\u1ec1u v\u00e0o ch\u1ea5t l\u01b0\u1ee3ng v\u00e0 an to\u00e0n n\u01b0\u1edbc, m\u00e1y \u0111o ORP s\u1ebd ti\u1ebfp t\u1ee5c l\u00e0 c\u00f4ng c\u1ee5 thi\u1ebft y\u1ebfu \u0111\u1ec3 gi\u00e1m s\u00e1t v\u00e0 duy tr\u00ec ch\u1ea5t l\u01b0\u1ee3ng n\u01b0\u1edbc c\u0169ng nh\u01b0 c\u00e1c gi\u1ea3i ph\u00e1p kh\u00e1c.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>T\u1ed5ng quan v\u1ec1 m\u00e1y \u0111o ORP v\u00e0 t\u1ea7m quan tr\u1ecdng c\u1ee7a n\u00f3 trong gi\u00e1m s\u00e1t ch\u1ea5t l\u01b0\u1ee3ng n\u01b0\u1edbc M\u00e1y \u0111o ORP, hay m\u00e1y \u0111o th\u1ebf oxy h\u00f3a-kh\u1eed, l\u00e0 m\u1ed9t thi\u1ebft b\u1ecb d\u00f9ng \u0111\u1ec3 \u0111o kh\u1ea3 n\u0103ng ho\u1ea1t \u0111\u1ed9ng c\u1ee7a m\u1ed9t dung d\u1ecbch nh\u01b0 m\u1ed9t ch\u1ea5t oxy h\u00f3a ho\u1eb7c ch\u1ea5t kh\u1eed. Ph\u00e9p \u0111o n\u00e0y r\u1ea5t quan&#8230;<\/p>\n","protected":false},"author":1,"featured_media":22983,"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":[200],"tags":[134429,187,11573,134481],"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":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:\/\/shchimay.com\/vi\/wp-json\/wp\/v2\/posts\/22982"}],"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=22982"}],"version-history":[{"count":17,"href":"https:\/\/shchimay.com\/vi\/wp-json\/wp\/v2\/posts\/22982\/revisions"}],"predecessor-version":[{"id":23342,"href":"https:\/\/shchimay.com\/vi\/wp-json\/wp\/v2\/posts\/22982\/revisions\/23342"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/shchimay.com\/vi\/wp-json\/wp\/v2\/media\/22983"}],"wp:attachment":[{"href":"https:\/\/shchimay.com\/vi\/wp-json\/wp\/v2\/media?parent=22982"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/shchimay.com\/vi\/wp-json\/wp\/v2\/categories?post=22982"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/shchimay.com\/vi\/wp-json\/wp\/v2\/tags?post=22982"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}