{"id":26674,"date":"2024-09-13T13:56:00","date_gmt":"2024-09-13T05:56:00","guid":{"rendered":"https:\/\/chimaytech.net\/?p=26674"},"modified":"2024-09-15T11:01:29","modified_gmt":"2024-09-15T03:01:29","slug":"dissolved-oxygen-meter-for-lakes","status":"publish","type":"post","link":"https:\/\/chimaytech.net\/vi\/dissolved-oxygen-meter-for-lakes\/","title":{"rendered":"m\u00e1y \u0111o oxy h\u00f2a tan cho h\u1ed3"},"content":{"rendered":"

T\u1ea7m quan tr\u1ecdng c\u1ee7a vi\u1ec7c theo d\u00f5i m\u1ee9c oxy h\u00f2a tan trong h\u1ed3<\/h1>\n

\nH\u1ed3 l\u00e0 h\u1ec7 sinh th\u00e1i quan tr\u1ecdng h\u1ed7 tr\u1ee3 nhi\u1ec1u lo\u1ea1i th\u1ef1c v\u1eadt v\u00e0 \u0111\u1ed9ng v\u1eadt. M\u1ed9t trong nh\u1eefng y\u1ebfu t\u1ed1 quan tr\u1ecdng quy\u1ebft \u0111\u1ecbnh ch\u1ea5t l\u01b0\u1ee3ng c\u1ee7a h\u1ed3 l\u00e0 m\u1ee9c \u0111\u1ed9 oxy h\u00f2a tan c\u00f3 trong n\u01b0\u1edbc. Oxy h\u00f2a tan r\u1ea5t c\u1ea7n thi\u1ebft cho s\u1ef1 s\u1ed1ng c\u1ee7a c\u00e1c sinh v\u1eadt d\u01b0\u1edbi n\u01b0\u1edbc v\u00ec n\u00f3 c\u1ea7n thi\u1ebft cho qu\u00e1 tr\u00ecnh h\u00f4 h\u1ea5p. Vi\u1ec7c theo d\u00f5i n\u1ed3ng \u0111\u1ed9 oxy h\u00f2a tan trong h\u1ed3 l\u00e0 r\u1ea5t quan tr\u1ecdng \u0111\u1ec3 hi\u1ec3u \u0111\u01b0\u1ee3c t\u00ecnh tr\u1ea1ng t\u1ed5ng th\u1ec3 c\u1ee7a h\u1ec7 sinh th\u00e1i v\u00e0 x\u00e1c \u0111\u1ecbnh c\u00e1c v\u1ea5n \u0111\u1ec1 ti\u1ec1m \u1ea9n c\u00f3 th\u1ec3 ph\u00e1t sinh.<\/p>\n

\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
CCT-5300<\/td>\n<\/td>\n<\/td>\n<\/td>\n<\/td>\n<\/td>\n<\/tr>\n
Kh\u00f4ng \u0111\u1ed5i<\/td>\n10,00cm-1<\/td>\n1.000cm-1<\/td>\n0.100cm-1<\/td>\n0,010cm-1<\/td>\n<\/tr>\n
\u0110\u1ed9 d\u1eabn \u0111i\u1ec7n<\/td>\n(500\\\uff5e20,000)<\/td>\n(1.0\\\uff5e2,000)<\/td>\n(0.5\\\uff5e200)<\/td>\n(0.05\\\uff5e18.25)<\/td>\n<\/tr>\n
\\\u03bcS\/cm<\/td>\n\\\u03bcS\/cm<\/td>\n\\\u03bcS\/cm<\/td>\nM\\\u03a9\\\u00b7cm<\/td>\n<\/tr>\n
TDS<\/td>\n(250\\\uff5e10,000)<\/td>\n(0,5\\\uff5e1,000)<\/td>\n(0.25\\\uff5e100)<\/td>\n\\\u2014\\\u2014<\/td>\n<\/tr>\n
ppm<\/td>\nppm<\/td>\nppm<\/td>\n<\/tr>\n
Nhi\u1ec7t \u0111\u1ed9 trung b\u00ecnh.<\/td>\n(0\\\uff5e50)\\\u2103\\\uff08Nhi\u1ec7t \u0111\u1ed9. B\u1ed3i th\u01b0\u1eddng : NTC10K\\\uff09<\/td>\n<\/tr>\n
\u0110\u1ed9 ch\u00ednh x\u00e1c<\/td>\n\u0110\u1ed9 d\u1eabn \u0111i\u1ec7n: 1,5% \\\uff08FS\\\uff09<\/td>\n<\/tr>\n
\u0110i\u1ec7n tr\u1edf su\u1ea5t: 2,0% \\\uff08FS\\\uff09<\/td>\n<\/tr>\n
TDS: 1,5 ph\u1ea7n tr\u0103m \\\uff08FS\\\uff09<\/td>\n<\/tr>\n
Nhi\u1ec7t \u0111\u1ed9.:\\\u00b10.5\\\u2103<\/td>\n<\/tr>\n
B\u00f9 nhi\u1ec7t \u0111\u1ed9<\/td>\n(0\\\uff5e50)\\\u2103\\\u00a0v\u1edbi 25\\\u2103 l\u00e0m Ti\u00eau chu\u1ea9n<\/td>\n<\/tr>\n
\u0110\u1ea7u Ra T\u01b0\u01a1ng T\u1ef1<\/td>\nB\u1ed9 c\u00e1ch ly \u0111\u01a1n(4\\\uff5e20)mA\\\uff0cinstrument\/m\u00e1y ph\u00e1t \u0111\u1ec3 l\u1ef1a ch\u1ecdn<\/td>\n<\/tr>\n
\u0110\u1ea7u Ra \u0110i\u1ec1u Khi\u1ec3n<\/td>\nR\u01a1le SPDT, Kh\u1ea3 n\u0103ng ch\u1ecbu t\u1ea3i: AC 230V\/50A(Max)<\/td>\n<\/tr>\n
Ngu\u1ed3n \u0111i\u1ec7n<\/td>\nCCT-5300E : DC24V<\/td>\nCCT-5320E : AC 220V\\\u00b115 ph\u1ea7n tr\u0103m <\/td>\n<\/tr>\n
M\u00f4i tr\u01b0\u1eddng l\u00e0m vi\u1ec7c<\/td>\nNhi\u1ec7t \u0111\u1ed9.\\\u00a0(0\\\uff5e50)\\\u2103\\\uff1b\u0110\u1ed9 \u1ea9m t\u01b0\u01a1ng \u0111\u1ed1i\\\u00a0\\\u226485 ph\u1ea7n tr\u0103m RH(kh\u00f4ng ng\u01b0ng t\u1ee5)<\/td>\n<\/tr>\n
M\u00f4i tr\u01b0\u1eddng l\u01b0u tr\u1eef<\/td>\nNhi\u1ec7t \u0111\u1ed9.(-20\\\uff5e60)\\\u2103; \u0110\u1ed9 \u1ea9m t\u01b0\u01a1ng \u0111\u1ed1i\\\u00a0\\\u226485 ph\u1ea7n tr\u0103m RH (kh\u00f4ng ng\u01b0ng t\u1ee5)<\/td>\n<\/tr>\n
K\u00edch th\u01b0\u1edbc<\/td>\n96mm\\\u00d796mm\\\u00d7105mm (H\\\u00d7W\\\u00d7D)<\/td>\n<\/tr>\n
K\u00edch th\u01b0\u1edbc l\u1ed7<\/td>\n91mm\\\u00d791mm (H\\\u00d7W)<\/td>\n<\/tr>\n
C\u00e0i \u0111\u1eb7t<\/td>\n\\\u00a0B\u1ea3ng \u0111i\u1ec1u khi\u1ec3n \u0111\u01b0\u1ee3c g\u1eafn, c\u00e0i \u0111\u1eb7t nhanh<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/figure>\n

\nM\u1ee9c oxy h\u00f2a tan trong h\u1ed3 c\u00f3 th\u1ec3 dao \u0111\u1ed9ng do nhi\u1ec1u y\u1ebfu t\u1ed1 kh\u00e1c nhau, bao g\u1ed3m nhi\u1ec7t \u0111\u1ed9, \u0111\u1ed9 s\u00e2u v\u00e0 s\u1ef1 hi\u1ec7n di\u1ec7n c\u1ee7a c\u00e1c ch\u1ea5t \u00f4 nhi\u1ec5m. N\u1ed3ng \u0111\u1ed9 oxy h\u00f2a tan th\u1ea5p c\u00f3 th\u1ec3 g\u00e2y \u1ea3nh h\u01b0\u1edfng b\u1ea5t l\u1ee3i \u0111\u1ebfn \u0111\u1eddi s\u1ed1ng th\u1ee7y sinh, d\u1eabn \u0111\u1ebfn c\u00e1 ch\u1ebft v\u00e0 l\u00e0m gi\u00e1n \u0111o\u1ea1n chu\u1ed7i th\u1ee9c \u0103n. M\u1eb7t kh\u00e1c, n\u1ed3ng \u0111\u1ed9 oxy h\u00f2a tan cao c\u00f3 th\u1ec3 cho th\u1ea5y t\u1ea3o ph\u00e1t tri\u1ec3n qu\u00e1 m\u1ee9c, c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn c\u1ea1n ki\u1ec7t oxy v\u00e0 l\u00e0m ch\u1ebft c\u00e1 c\u0169ng nh\u01b0 c\u00e1c sinh v\u1eadt kh\u00e1c.<\/p>\n

\u0110\u1ec3 theo d\u00f5i ch\u00ednh x\u00e1c n\u1ed3ng \u0111\u1ed9 oxy h\u00f2a tan trong h\u1ed3, c\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u v\u00e0 c\u01a1 quan m\u00f4i tr\u01b0\u1eddng s\u1eed d\u1ee5ng thi\u1ebft b\u1ecb chuy\u00ean d\u1ee5ng \u0111\u00e3 bi\u1ebft nh\u01b0 m\u00e1y \u0111o oxy h\u00f2a tan. Nh\u1eefng m\u00e1y \u0111o n\u00e0y \u0111o l\u01b0\u1ee3ng oxy h\u00f2a tan trong n\u01b0\u1edbc, cung c\u1ea5p d\u1eef li\u1ec7u c\u00f3 gi\u00e1 tr\u1ecb c\u00f3 th\u1ec3 gi\u00fap c\u00e1c nh\u00e0 khoa h\u1ecdc \u0111\u00e1nh gi\u00e1 t\u00ecnh tr\u1ea1ng c\u1ee7a h\u1ed3 v\u00e0 \u0111\u01b0a ra quy\u1ebft \u0111\u1ecbnh s\u00e1ng su\u1ed1t v\u1ec1 n\u1ed7 l\u1ef1c b\u1ea3o t\u1ed3n v\u00e0 qu\u1ea3n l\u00fd.<\/p>\n

M\u00e1y \u0111o oxy h\u00f2a tan cho c\u00e1c h\u1ed3 c\u00f3 nhi\u1ec1u d\u1ea1ng kh\u00e1c nhau, bao g\u1ed3m \u0111\u1ed3ng h\u1ed3 \u0111o c\u1ea7m tay c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 \u0111o t\u1ea1i ch\u1ed7 v\u00e0 h\u1ec7 th\u1ed1ng gi\u00e1m s\u00e1t li\u00ean t\u1ee5c c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c tri\u1ec3n khai d\u01b0\u1edbi n\u01b0\u1edbc trong th\u1eddi gian d\u00e0i. Nh\u1eefng m\u00e1y \u0111o n\u00e0y s\u1eed d\u1ee5ng c\u1ea3m bi\u1ebfn \u0111\u1ec3 ph\u00e1t hi\u1ec7n s\u1ef1 hi\u1ec7n di\u1ec7n c\u1ee7a oxy trong n\u01b0\u1edbc v\u00e0 cung c\u1ea5p d\u1eef li\u1ec7u th\u1eddi gian th\u1ef1c v\u1ec1 n\u1ed3ng \u0111\u1ed9 oxy h\u00f2a tan.<\/p>\n

B\u1eb1ng c\u00e1ch theo d\u00f5i n\u1ed3ng \u0111\u1ed9 oxy h\u00f2a tan trong h\u1ed3, c\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u c\u00f3 th\u1ec3 theo d\u00f5i nh\u1eefng thay \u0111\u1ed5i v\u1ec1 ch\u1ea5t l\u01b0\u1ee3ng n\u01b0\u1edbc theo th\u1eddi gian v\u00e0 x\u00e1c \u0111\u1ecbnh c\u00e1c xu h\u01b0\u1edbng c\u00f3 th\u1ec3 ch\u1ec9 ra v\u1ea5n \u0111\u1ec1 m\u00f4i tr\u01b0\u1eddng c\u00e1c y\u1ebfu t\u1ed1 g\u00e2y c\u0103ng th\u1eb3ng ho\u1eb7c ngu\u1ed3n \u00f4 nhi\u1ec5m. Th\u00f4ng tin n\u00e0y c\u00f3 th\u1ec3 gi\u00fap cung c\u1ea5p th\u00f4ng tin cho c\u00e1c chi\u1ebfn l\u01b0\u1ee3c qu\u1ea3n l\u00fd nh\u1eb1m b\u1ea3o v\u1ec7 v\u00e0 gi\u1eef g\u00ecn s\u1ef1 l\u00e0nh m\u1ea1nh c\u1ee7a h\u1ed3 v\u00e0 c\u01b0 d\u00e2n \u1edf \u0111\u00f3.<\/p>\n

\"alt-329\"<\/p>\n

\nNgo\u00e0i vi\u1ec7c theo d\u00f5i n\u1ed3ng \u0111\u1ed9 oxy h\u00f2a tan, c\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u c\u0169ng c\u00f3 th\u1ec3 \u0111o c\u00e1c th\u00f4ng s\u1ed1 ch\u1ea5t l\u01b0\u1ee3ng n\u01b0\u1edbc kh\u00e1c, ch\u1eb3ng h\u1ea1n nh\u01b0 \u0111\u1ed9 pH, nhi\u1ec7t \u0111\u1ed9 v\u00e0 m\u1ee9c dinh d\u01b0\u1ee1ng \u0111\u1ec3 hi\u1ec3u bi\u1ebft to\u00e0n di\u1ec7n h\u01a1n v\u1ec1 h\u1ec7 sinh th\u00e1i h\u1ed3. B\u1eb1ng c\u00e1ch k\u1ebft h\u1ee3p d\u1eef li\u1ec7u t\u1eeb nhi\u1ec1u ngu\u1ed3n, c\u00e1c nh\u00e0 khoa h\u1ecdc c\u00f3 th\u1ec3 ph\u00e1t tri\u1ec3n m\u1ed9t b\u1ee9c tranh \u0111\u1ea7y \u0111\u1ee7 h\u01a1n v\u1ec1 c\u00e1c y\u1ebfu t\u1ed1 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn t\u00ecnh tr\u1ea1ng c\u1ee7a h\u1ed3 v\u00e0 \u0111\u01b0a ra quy\u1ebft \u0111\u1ecbnh s\u00e1ng su\u1ed1t v\u1ec1 c\u00e1c n\u1ed7 l\u1ef1c qu\u1ea3n l\u00fd v\u00e0 b\u1ea3o t\u1ed3n.<\/p>\n

Nh\u00ecn chung, vi\u1ec7c theo d\u00f5i n\u1ed3ng \u0111\u1ed9 oxy h\u00f2a tan trong h\u1ed3 l\u00e0 \u0111i\u1ec1u c\u1ea7n thi\u1ebft \u0111\u1ec3 duy tr\u00ec s\u1ee9c kh\u1ecfe c\u1ee7a h\u1ed3 nh\u1eefng h\u1ec7 sinh th\u00e1i quan tr\u1ecdng n\u00e0y. B\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng thi\u1ebft b\u1ecb chuy\u00ean d\u1ee5ng nh\u01b0 m\u00e1y \u0111o oxy h\u00f2a tan, c\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u c\u00f3 th\u1ec3 thu th\u1eadp d\u1eef li\u1ec7u c\u00f3 gi\u00e1 tr\u1ecb gi\u00fap cung c\u1ea5p th\u00f4ng tin cho c\u00e1c n\u1ed7 l\u1ef1c qu\u1ea3n l\u00fd v\u00e0 b\u1ea3o t\u1ed3n. B\u1eb1ng c\u00e1ch hi\u1ec3u r\u00f5 c\u00e1c y\u1ebfu t\u1ed1 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn n\u1ed3ng \u0111\u1ed9 oxy h\u00f2a tan trong h\u1ed3, ch\u00fang ta c\u00f3 th\u1ec3 n\u1ed7 l\u1ef1c b\u1ea3o v\u1ec7 nh\u1eefng ngu\u1ed3n t\u00e0i nguy\u00ean qu\u00fd gi\u00e1 n\u00e0y cho c\u00e1c th\u1ebf h\u1ec7 t\u01b0\u01a1ng lai.<\/p>\n

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T\u1ea7m quan tr\u1ecdng c\u1ee7a vi\u1ec7c theo d\u00f5i m\u1ee9c oxy h\u00f2a tan trong h\u1ed3 H\u1ed3 l\u00e0 h\u1ec7 sinh th\u00e1i quan tr\u1ecdng h\u1ed7 tr\u1ee3 nhi\u1ec1u lo\u1ea1i th\u1ef1c v\u1eadt v\u00e0 \u0111\u1ed9ng v\u1eadt. M\u1ed9t trong nh\u1eefng y\u1ebfu t\u1ed1 quan tr\u1ecdng quy\u1ebft \u0111\u1ecbnh ch\u1ea5t l\u01b0\u1ee3ng c\u1ee7a h\u1ed3 l\u00e0 m\u1ee9c \u0111\u1ed9 oxy h\u00f2a tan c\u00f3 trong n\u01b0\u1edbc. Oxy h\u00f2a tan r\u1ea5t…<\/p>\n","protected":false},"author":1,"featured_media":26678,"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":[202],"tags":[87081,87367,203661],"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\/26674"}],"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=26674"}],"version-history":[{"count":16,"href":"https:\/\/chimaytech.net\/vi\/wp-json\/wp\/v2\/posts\/26674\/revisions"}],"predecessor-version":[{"id":27070,"href":"https:\/\/chimaytech.net\/vi\/wp-json\/wp\/v2\/posts\/26674\/revisions\/27070"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/chimaytech.net\/vi\/wp-json\/wp\/v2\/media\/26678"}],"wp:attachment":[{"href":"https:\/\/chimaytech.net\/vi\/wp-json\/wp\/v2\/media?parent=26674"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/chimaytech.net\/vi\/wp-json\/wp\/v2\/categories?post=26674"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/chimaytech.net\/vi\/wp-json\/wp\/v2\/tags?post=26674"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}