{"id":4645,"date":"2024-02-23T09:33:10","date_gmt":"2024-02-23T01:33:10","guid":{"rendered":"https:\/\/chimaytech.net\/?p=4645"},"modified":"2024-02-23T20:46:29","modified_gmt":"2024-02-23T12:46:29","slug":"how-does-a-dissolved-oxygen-meter-work","status":"publish","type":"post","link":"https:\/\/chimaytech.net\/vi\/how-does-a-dissolved-oxygen-meter-work\/","title":{"rendered":"m\u00e1y \u0111o oxy h\u00f2a tan ho\u1ea1t \u0111\u1ed9ng nh\u01b0 th\u1ebf n\u00e0o"},"content":{"rendered":"

“\u0110o n\u1ed3ng \u0111\u1ed9 oxy m\u1ed9t c\u00e1ch ch\u00ednh x\u00e1c v\u00e0 ch\u00ednh x\u00e1c.”<\/p>\n

T\u00ecm hi\u1ec3u ch\u1ee9c n\u0103ng c\u1ee7a m\u00e1y \u0111o oxy h\u00f2a tan<\/h1>\n

\nM\u00e1y \u0111o oxy h\u00f2a tan l\u00e0 m\u1ed9t c\u00f4ng c\u1ee5 quan tr\u1ecdng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong nhi\u1ec1u ng\u00e0nh c\u00f4ng nghi\u1ec7p kh\u00e1c nhau, bao g\u1ed3m gi\u00e1m s\u00e1t m\u00f4i tr\u01b0\u1eddng, nu\u00f4i tr\u1ed3ng th\u1ee7y s\u1ea3n v\u00e0 x\u1eed l\u00fd n\u01b0\u1edbc th\u1ea3i. Thi\u1ebft b\u1ecb n\u00e0y \u0111o l\u01b0\u1ee3ng oxy h\u00f2a tan trong ch\u1ea5t l\u1ecfng, \u0111i\u1ec3n h\u00ecnh l\u00e0 n\u01b0\u1edbc. Hi\u1ec3u c\u00e1ch ho\u1ea1t \u0111\u1ed9ng c\u1ee7a m\u00e1y \u0111o oxy h\u00f2a tan l\u00e0 \u0111i\u1ec1u c\u1ea7n thi\u1ebft \u0111\u1ec3 c\u00f3 \u0111\u01b0\u1ee3c s\u1ed1 \u0111o ch\u00ednh x\u00e1c v\u00e0 \u0111\u00e1ng tin c\u1eady.<\/p>\n

Ch\u1ee9c n\u0103ng c\u1ee7a m\u00e1y \u0111o oxy h\u00f2a tan d\u1ef1a tr\u00ean nguy\u00ean t\u1eafc \u0111i\u1ec7n h\u00f3a. M\u00e1y \u0111o bao g\u1ed3m m\u1ed9t \u0111\u1ea7u d\u00f2 ch\u1ee9a c\u1ea3m bi\u1ebfn oxy v\u00e0 dung d\u1ecbch \u0111i\u1ec7n ph\u00e2n. C\u1ea3m bi\u1ebfn oxy th\u01b0\u1eddng \u0111\u01b0\u1ee3c l\u00e0m b\u1eb1ng v\u1eadt li\u1ec7u nh\u01b0 b\u1ea1ch kim ho\u1eb7c v\u00e0ng, \u0111\u00f3ng vai tr\u00f2 nh\u01b0 ch\u1ea5t x\u00fac t\u00e1c cho ph\u1ea3n \u1ee9ng \u0111i\u1ec7n h\u00f3a x\u1ea3y ra khi c\u00f3 m\u1eb7t oxy.<\/p>\n

Khi \u0111\u1ea7u d\u00f2 \u0111\u01b0\u1ee3c ng\u00e2m trong ch\u1ea5t l\u1ecfng, c\u00e1c ph\u00e2n t\u1eed oxy s\u1ebd khu\u1ebfch t\u00e1n qua ch\u1ea5t b\u00e1n th\u1ea5m m\u00e0ng tr\u00ean c\u1ea3m bi\u1ebfn v\u00e0 ti\u1ebfp x\u00fac v\u1edbi dung d\u1ecbch \u0111i\u1ec7n ph\u00e2n. Sau \u0111\u00f3, c\u00e1c ph\u00e2n t\u1eed oxy \u0111\u01b0\u1ee3c kh\u1eed \u1edf b\u1ec1 m\u1eb7t c\u1ea3m bi\u1ebfn, t\u1ea1o ra d\u00f2ng \u0111i\u1ec7n t\u1ef7 l\u1ec7 v\u1edbi n\u1ed3ng \u0111\u1ed9 oxy h\u00f2a tan trong ch\u1ea5t l\u1ecfng.<\/p>\n

\u0110\u1ed3ng h\u1ed3 \u0111o d\u00f2ng \u0111i\u1ec7n n\u00e0y v\u00e0 chuy\u1ec3n n\u00f3 th\u00e0nh s\u1ed1 \u0111\u1ecdc hi\u1ec3n th\u1ecb tr\u00ean m\u00e0n h\u00ecnh k\u1ef9 thu\u1eadt s\u1ed1. Gi\u00e1 tr\u1ecb th\u01b0\u1eddng \u0111\u01b0\u1ee3c bi\u1ec3u th\u1ecb b\u1eb1ng \u0111\u01a1n v\u1ecb n\u1ed3ng \u0111\u1ed9, ch\u1eb3ng h\u1ea1n nh\u01b0 miligam tr\u00ean l\u00edt (mg\/L) ho\u1eb7c ph\u1ea7n tri\u1ec7u (ppm). M\u1ed9t s\u1ed1 m\u00e1y \u0111o c\u00f2n cung c\u1ea5p th\u00f4ng tin b\u1ed5 sung, ch\u1eb3ng h\u1ea1n nh\u01b0 c\u00e1c t\u00f9y ch\u1ecdn hi\u1ec7u ch\u1ec9nh v\u00e0 b\u00f9 nhi\u1ec7t \u0111\u1ed9, \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 ch\u00ednh x\u00e1c c\u1ee7a ph\u00e9p \u0111o.<\/p>\n

M\u1ed9t trong nh\u1eefng y\u1ebfu t\u1ed1 ch\u00ednh c\u00f3 th\u1ec3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn \u0111\u1ed9 ch\u00ednh x\u00e1c c\u1ee7a m\u00e1y \u0111o oxy h\u00f2a tan l\u00e0 nhi\u1ec7t \u0111\u1ed9. \u0110\u1ed9 h\u00f2a tan c\u1ee7a oxy trong n\u01b0\u1edbc gi\u1ea3m khi nhi\u1ec7t \u0111\u1ed9 t\u0103ng, v\u00ec v\u1eady \u0111i\u1ec1u quan tr\u1ecdng l\u00e0 ph\u1ea3i t\u00ednh \u0111\u1ebfn \u0111i\u1ec1u n\u00e0y khi th\u1ef1c hi\u1ec7n ph\u00e9p \u0111o. Nhi\u1ec1u m\u00e1y \u0111o \u0111\u01b0\u1ee3c trang b\u1ecb c\u1ea3m bi\u1ebfn nhi\u1ec7t \u0111\u1ed9 t\u1ef1 \u0111\u1ed9ng b\u00f9 \u0111\u1eafp nh\u1eefng thay \u0111\u1ed5i v\u1ec1 nhi\u1ec7t \u0111\u1ed9, \u0111\u1ea3m b\u1ea3o k\u1ebft qu\u1ea3 \u0111o ch\u00ednh x\u00e1c v\u00e0 \u0111\u00e1ng tin c\u1eady.<\/p>\n

Hi\u1ec7u chu\u1ea9n l\u00e0 m\u1ed9t kh\u00eda c\u1ea1nh quan tr\u1ecdng kh\u00e1c c\u1ee7a vi\u1ec7c s\u1eed d\u1ee5ng m\u00e1y \u0111o oxy h\u00f2a tan. Hi\u1ec7u chu\u1ea9n bao g\u1ed3m vi\u1ec7c so s\u00e1nh s\u1ed1 \u0111\u1ecdc c\u1ee7a \u0111\u1ed3ng h\u1ed3 v\u1edbi c\u00e1c ti\u00eau chu\u1ea9n \u0111\u00e3 bi\u1ebft \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o r\u1eb1ng n\u00f3 \u0111o ch\u00ednh x\u00e1c. H\u1ea7u h\u1ebft c\u00e1c m\u00e1y \u0111o \u0111\u1ec1u \u0111i k\u00e8m v\u1edbi c\u00e1c gi\u1ea3i ph\u00e1p hi\u1ec7u chu\u1ea9n c\u00f3 th\u1ec3 d\u00f9ng \u0111\u1ec3 hi\u1ec7u chu\u1ea9n thi\u1ebft b\u1ecb th\u01b0\u1eddng xuy\u00ean v\u00e0 duy tr\u00ec \u0111\u1ed9 ch\u00ednh x\u00e1c c\u1ee7a thi\u1ebft b\u1ecb theo th\u1eddi gian.<\/p>\n

Ngo\u00e0i \u0111o n\u1ed3ng \u0111\u1ed9 oxy h\u00f2a tan, m\u1ed9t s\u1ed1 m\u00e1y \u0111o c\u00f2n c\u00f3 kh\u1ea3 n\u0103ng \u0111o c\u00e1c th\u00f4ng s\u1ed1 kh\u00e1c, ch\u1eb3ng h\u1ea1n nh\u01b0 \u0111\u1ed9 pH v\u00e0 \u0111\u1ed9 d\u1eabn \u0111i\u1ec7n. C\u00e1c ph\u00e9p \u0111o b\u1ed5 sung n\u00e0y c\u00f3 th\u1ec3 cung c\u1ea5p th\u00f4ng tin c\u00f3 gi\u00e1 tr\u1ecb v\u1ec1 ch\u1ea5t l\u01b0\u1ee3ng c\u1ee7a ch\u1ea5t l\u1ecfng \u0111ang \u0111\u01b0\u1ee3c ki\u1ec3m tra v\u00e0 gi\u00fap x\u00e1c \u0111\u1ecbnh c\u00e1c v\u1ea5n \u0111\u1ec1 ti\u1ec1m \u1ea9n c\u00f3 th\u1ec3 c\u1ea7n \u0111\u01b0\u1ee3c gi\u1ea3i quy\u1ebft.<\/p>\n

\n\"alt-9213\"
\nNh\u00ecn chung, m\u00e1y \u0111o oxy h\u00f2a tan l\u00e0 m\u1ed9t c\u00f4ng c\u1ee5 c\u00f3 gi\u00e1 tr\u1ecb \u0111\u1ec3 theo d\u00f5i ch\u1ea5t l\u01b0\u1ee3ng n\u01b0\u1edbc trong nhi\u1ec1u \u1ee9ng d\u1ee5ng kh\u00e1c nhau. B\u1eb1ng c\u00e1ch hi\u1ec3u c\u00e1ch th\u1ee9c ho\u1ea1t \u0111\u1ed9ng c\u1ee7a \u0111\u1ed3ng h\u1ed3 v\u00e0 ch\u00fa \u00fd hi\u1ec7u ch\u1ec9nh c\u0169ng nh\u01b0 b\u1ea3o tr\u00ec n\u00f3, ng\u01b0\u1eddi d\u00f9ng c\u00f3 th\u1ec3 c\u00f3 \u0111\u01b0\u1ee3c c\u00e1c ph\u00e9p \u0111o ch\u00ednh x\u00e1c v\u00e0 \u0111\u00e1ng tin c\u1eady c\u00f3 th\u1ec3 gi\u00fap \u0111\u1ea3m b\u1ea3o s\u1ee9c kh\u1ecfe v\u00e0 s\u1ef1 an to\u00e0n c\u1ee7a m\u00f4i tr\u01b0\u1eddng n\u01b0\u1edbc c\u0169ng nh\u01b0 s\u1ef1 th\u00e0nh c\u00f4ng c\u1ee7a c\u00e1c quy tr\u00ecnh c\u00f4ng nghi\u1ec7p kh\u00e1c nhau.<\/p>\n","protected":false},"excerpt":{"rendered":"

“\u0110o n\u1ed3ng \u0111\u1ed9 oxy m\u1ed9t c\u00e1ch ch\u00ednh x\u00e1c v\u00e0 ch\u00ednh x\u00e1c.” T\u00ecm hi\u1ec3u ch\u1ee9c n\u0103ng c\u1ee7a m\u00e1y \u0111o oxy h\u00f2a tan M\u00e1y \u0111o oxy h\u00f2a tan l\u00e0 m\u1ed9t c\u00f4ng c\u1ee5 quan tr\u1ecdng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong nhi\u1ec1u ng\u00e0nh c\u00f4ng nghi\u1ec7p kh\u00e1c nhau, bao g\u1ed3m gi\u00e1m s\u00e1t m\u00f4i tr\u01b0\u1eddng, nu\u00f4i tr\u1ed3ng th\u1ee7y s\u1ea3n v\u00e0 x\u1eed l\u00fd…<\/p>\n","protected":false},"author":1,"featured_media":1191,"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":[1],"tags":[],"translation":{"provider":"WPGlobus","version":"2.12.0","language":"vi","enabled_languages":["en","es","de","fr","ru","pt","ar","ja","ko","it","id","hi","th","vi","tr"],"languages":{"en":{"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:\/\/chimaytech.net\/vi\/wp-json\/wp\/v2\/posts\/4645"}],"collection":[{"href":"https:\/\/chimaytech.net\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/chimaytech.net\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/chimaytech.net\/vi\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/chimaytech.net\/vi\/wp-json\/wp\/v2\/comments?post=4645"}],"version-history":[{"count":0,"href":"https:\/\/chimaytech.net\/vi\/wp-json\/wp\/v2\/posts\/4645\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/chimaytech.net\/vi\/wp-json\/wp\/v2\/media\/1191"}],"wp:attachment":[{"href":"https:\/\/chimaytech.net\/vi\/wp-json\/wp\/v2\/media?parent=4645"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/chimaytech.net\/vi\/wp-json\/wp\/v2\/categories?post=4645"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/chimaytech.net\/vi\/wp-json\/wp\/v2\/tags?post=4645"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}