{"id":17866,"date":"2024-05-20T11:01:25","date_gmt":"2024-05-20T03:01:25","guid":{"rendered":"https:\/\/chimaytech.net\/?p=17866"},"modified":"2024-05-21T14:00:07","modified_gmt":"2024-05-21T06:00:07","slug":"why-calibration-of-ph-meter-is-important","status":"publish","type":"post","link":"https:\/\/chimaytech.net\/vi\/why-calibration-of-ph-meter-is-important\/","title":{"rendered":"t\u1ea1i sao vi\u1ec7c hi\u1ec7u chu\u1ea9n m\u00e1y \u0111o ph l\u1ea1i quan tr\u1ecdng"},"content":{"rendered":"

L\u1ee3i \u00edch c\u1ee7a vi\u1ec7c \u0111o pH ch\u00ednh x\u00e1c trong c\u00e1c ng\u00e0nh c\u00f4ng nghi\u1ec7p kh\u00e1c nhau<\/h1>\n

\nTrong nhi\u1ec1u ng\u00e0nh c\u00f4ng nghi\u1ec7p kh\u00e1c nhau, vi\u1ec7c \u0111o \u0111\u1ed9 pH ch\u00ednh x\u00e1c l\u00e0 r\u1ea5t quan tr\u1ecdng \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o ch\u1ea5t l\u01b0\u1ee3ng v\u00e0 an to\u00e0n c\u1ee7a s\u1ea3n ph\u1ea9m c\u0169ng nh\u01b0 duy tr\u00ec c\u00e1c quy tr\u00ecnh hi\u1ec7u qu\u1ea3. M\u1ed9t trong nh\u1eefng c\u00f4ng c\u1ee5 ch\u00ednh \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 \u0111o pH l\u00e0 m\u00e1y \u0111o pH, \u0111\u00e2y l\u00e0 thi\u1ebft b\u1ecb \u0111o \u0111\u1ed9 axit ho\u1eb7c \u0111\u1ed9 ki\u1ec1m c\u1ee7a dung d\u1ecbch. Tuy nhi\u00ean, \u0111\u1ec3 m\u00e1y \u0111o pH cung c\u1ea5p s\u1ed1 \u0111o ch\u00ednh x\u00e1c v\u00e0 \u0111\u00e1ng tin c\u1eady, n\u00f3 ph\u1ea3i \u0111\u01b0\u1ee3c hi\u1ec7u chu\u1ea9n \u0111\u00fang c\u00e1ch.<\/p>\n

Hi\u1ec7u chu\u1ea9n m\u00e1y \u0111o pH bao g\u1ed3m vi\u1ec7c \u0111i\u1ec1u ch\u1ec9nh thi\u1ebft b\u1ecb \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o r\u1eb1ng thi\u1ebft b\u1ecb cung c\u1ea5p s\u1ed1 \u0111\u1ecdc ch\u00ednh x\u00e1c khi \u0111o \u0111\u1ed9 pH c\u1ee7a dung d\u1ecbch. Qu\u00e1 tr\u00ecnh n\u00e0y bao g\u1ed3m vi\u1ec7c so s\u00e1nh s\u1ed1 \u0111\u1ecdc c\u1ee7a m\u00e1y \u0111o pH v\u1edbi c\u00e1c ti\u00eau chu\u1ea9n \u0111\u00e3 bi\u1ebft v\u00e0 th\u1ef1c hi\u1ec7n c\u00e1c \u0111i\u1ec1u ch\u1ec9nh n\u1ebfu c\u1ea7n. C\u00f3 m\u1ed9t s\u1ed1 l\u00fd do t\u1ea1i sao vi\u1ec7c hi\u1ec7u chu\u1ea9n m\u00e1y \u0111o pH l\u1ea1i quan tr\u1ecdng trong c\u00e1c ng\u00e0nh c\u00f4ng nghi\u1ec7p kh\u00e1c nhau.
\n[nh\u00fang]http:\/\/shchimay.com\/wp-content\/uploads\/2023\/11\/CIT-8800-Inductive-Conductivity-Concentration-Online-Controller.mp4[\/embed]
\n\u0110\u1ea7u ti\u00ean v\u00e0 quan tr\u1ecdng nh\u1ea5t, vi\u1ec7c \u0111o \u0111\u1ed9 pH ch\u00ednh x\u00e1c l\u00e0 \u0111i\u1ec1u c\u1ea7n thi\u1ebft \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o ch\u1ea5t l\u01b0\u1ee3ng s\u1ea3n ph\u1ea9m trong c\u00e1c ng\u00e0nh c\u00f4ng nghith\u1ef1c ph\u1ea9m v\u00e0 \u0111\u1ed3 u\u1ed1ng, d\u01b0\u1ee3c ph\u1ea9m v\u00e0 x\u1eed l\u00fd n\u01b0\u1edbc. V\u00ed d\u1ee5, trong ng\u00e0nh th\u1ef1c ph\u1ea9m v\u00e0 \u0111\u1ed3 u\u1ed1ng, ph\u00e9p \u0111o pH \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 theo d\u00f5i \u0111\u1ed9 axit c\u1ee7a c\u00e1c s\u1ea3n ph\u1ea9m nh\u01b0 n\u01b0\u1edbc tr\u00e1i c\u00e2y, s\u1ea3n ph\u1ea9m t\u1eeb s\u1eefa v\u00e0 n\u01b0\u1edbc s\u1ed1t. N\u1ebfu \u0111\u1ed9 pH c\u1ee7a nh\u1eefng s\u1ea3n ph\u1ea9m n\u00e0y kh\u00f4ng n\u1eb1m trong ph\u1ea1m vi mong mu\u1ed1n, n\u00f3 c\u00f3 th\u1ec3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn h\u01b0\u01a1ng v\u1ecb, k\u1ebft c\u1ea5u v\u00e0 th\u1eddi h\u1ea1n s\u1eed d\u1ee5ng c\u1ee7a ch\u00fang. B\u1eb1ng c\u00e1ch hi\u1ec7u chu\u1ea9n m\u00e1y \u0111o \u0111\u1ed9 pH th\u01b0\u1eddng xuy\u00ean, c\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t c\u00f3 th\u1ec3 \u0111\u1ea3m b\u1ea3o r\u1eb1ng s\u1ea3n ph\u1ea9m c\u1ee7a h\u1ecd \u0111\u00e1p \u1ee9ng c\u00e1c ti\u00eau chu\u1ea9n ch\u1ea5t l\u01b0\u1ee3ng v\u00e0 an to\u00e0n khi s\u1eed d\u1ee5ng.<br>
\n<br>
\nTrong ng\u00e0nh d\u01b0\u1ee3c ph\u1ea9m, vi\u1ec7c \u0111o \u0111\u1ed9 pH ch\u00ednh x\u00e1c l\u00e0 r\u1ea5t quan tr\u1ecdng \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o t\u00ednh hi\u1ec7u qu\u1ea3 v\u00e0 an to\u00e0n c\u1ee7a thu\u1ed1c. \u0110\u1ed9 pH c\u1ee7a thu\u1ed1c c\u00f3 th\u1ec3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh, \u0111\u1ed9 h\u00f2a tan v\u00e0 s\u1ef1 h\u1ea5p th\u1ee5 c\u1ee7a n\u00f3 trong c\u01a1 th\u1ec3. N\u1ebfu m\u00e1y \u0111o pH kh\u00f4ng \u0111\u01b0\u1ee3c hi\u1ec7u chu\u1ea9n \u0111\u00fang c\u00e1ch, n\u00f3 c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn k\u1ebft qu\u1ea3 \u0111o kh\u00f4ng ch\u00ednh x\u00e1c, \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn ch\u1ea5t l\u01b0\u1ee3ng c\u1ee7a thu\u1ed1c. B\u1eb1ng c\u00e1ch hi\u1ec7u chu\u1ea9n m\u00e1y \u0111o \u0111\u1ed9 pH th\u01b0\u1eddng xuy\u00ean, c\u00e1c c\u00f4ng ty d\u01b0\u1ee3c ph\u1ea9m c\u00f3 th\u1ec3 \u0111\u1ea3m b\u1ea3o r\u1eb1ng s\u1ea3n ph\u1ea9m c\u1ee7a h\u1ecd an to\u00e0n v\u00e0 hi\u1ec7u qu\u1ea3 cho b\u1ec7nh nh\u00e2n.<br>
\n<br>
\nTrong ng\u00e0nh x\u1eed l\u00fd n\u01b0\u1edbc, ph\u00e9p \u0111o \u0111\u1ed9 pH \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 theo d\u00f5i \u0111\u1ed9 axit ho\u1eb7c \u0111\u1ed9 ki\u1ec1m c\u1ee7a n\u01b0\u1edbc nh\u1eb1m \u0111\u1ea3m b\u1ea3o n\u01b0\u1edbc \u0111\u00f3 an to\u00e0n khi ti\u00eau d\u00f9ng v\u00e0 \u0111\u00e1p \u1ee9ng c\u00e1c ti\u00eau chu\u1ea9n quy \u0111\u1ecbnh. N\u1ebfu m\u00e1y \u0111o pH kh\u00f4ng \u0111\u01b0\u1ee3c hi\u1ec7u chu\u1ea9n \u0111\u00fang c\u00e1ch, n\u00f3 c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn k\u1ebft qu\u1ea3 \u0111\u1ecdc kh\u00f4ng ch\u00ednh x\u00e1c v\u00e0 c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn vi\u1ec7c x\u1eed l\u00fd n\u01b0\u1edbc kh\u00f4ng \u0111\u00fang c\u00e1ch. \u0110i\u1ec1u n\u00e0y c\u00f3 th\u1ec3 g\u00e2y ra h\u1eadu qu\u1ea3 nghi\u00eam tr\u1ecdng, ch\u1eb3ng h\u1ea1n nh\u01b0 s\u1ef1 hi\u1ec7n di\u1ec7n c\u1ee7a c\u00e1c ch\u1ea5t g\u00e2y \u00f4 nhi\u1ec5m c\u00f3 h\u1ea1i trong n\u01b0\u1edbc u\u1ed1ng. B\u1eb1ng c\u00e1ch hi\u1ec7u chu\u1ea9n m\u00e1y \u0111o \u0111\u1ed9 pH th\u01b0\u1eddng xuy\u00ean, c\u00e1c c\u01a1 s\u1edf x\u1eed l\u00fd n\u01b0\u1edbc c\u00f3 th\u1ec3 \u0111\u1ea3m b\u1ea3o r\u1eb1ng h\u1ecd \u0111ang cung c\u1ea5p n\u01b0\u1edbc s\u1ea1ch v\u00e0 an to\u00e0n cho c\u00f4ng ch\u00fang.<br>
\n<br>
\nNgo\u00e0i vi\u1ec7c \u0111\u1ea3m b\u1ea3o ch\u1ea5t l\u01b0\u1ee3ng v\u00e0 \u0111\u1ed9 an to\u00e0n c\u1ee7a s\u1ea3n ph\u1ea9m, vi\u1ec7c hi\u1ec7u chu\u1ea9n m\u00e1y \u0111o \u0111\u1ed9 pH c\u0169ng r\u1ea5t quan tr\u1ecdng \u0111\u1ec3 duy tr\u00ec c\u00e1c quy tr\u00ecnh hi\u1ec7u qu\u1ea3 trong c\u00e1c ng\u00e0nh c\u00f4ng nghi\u1ec7p kh\u00e1c nhau . Trong quy tr\u00ecnh s\u1ea3n xu\u1ea5t, ph\u00e9p \u0111o \u0111\u1ed9 pH \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 theo d\u00f5i v\u00e0 ki\u1ec3m so\u00e1t c\u00e1c ph\u1ea3n \u1ee9ng h\u00f3a h\u1ecdc c\u0169ng nh\u01b0 \u0111\u1ec3 t\u1ed1i \u01b0u h\u00f3a hi\u1ec7u su\u1ea5t c\u1ee7a c\u00e1c thi\u1ebft b\u1ecb nh\u01b0 m\u00e1y b\u01a1m v\u00e0 b\u1ed9 l\u1ecdc. N\u1ebfu m\u00e1y \u0111o pH kh\u00f4ng \u0111\u01b0\u1ee3c hi\u1ec7u chu\u1ea9n \u0111\u00fang c\u00e1ch, n\u00f3 c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn sai s\u00f3t trong ph\u00e9p \u0111o, d\u1eabn \u0111\u1ebfn th\u1eddi gian ng\u1eebng ho\u1ea1t \u0111\u1ed9ng t\u1ed1n k\u00e9m v\u00e0 tr\u00ec ho\u00e3n s\u1ea3n xu\u1ea5t. B\u1eb1ng c\u00e1ch hi\u1ec7u chu\u1ea9n m\u00e1y \u0111o pH th\u01b0\u1eddng xuy\u00ean, c\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t c\u00f3 th\u1ec3 \u0111\u1ea3m b\u1ea3o r\u1eb1ng quy tr\u00ecnh c\u1ee7a h\u1ecd di\u1ec5n ra su\u00f4n s\u1ebb v\u00e0 hi\u1ec7u qu\u1ea3.<br>
\n<br>
\nNh\u00ecn chung, vi\u1ec7c hi\u1ec7u chu\u1ea9n m\u00e1y \u0111o pH l\u00e0 c\u1ea7n thi\u1ebft \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o ch\u1ea5t l\u01b0\u1ee3ng, an to\u00e0n v\u00e0 hi\u1ec7u qu\u1ea3 c\u1ee7a c\u00e1c quy tr\u00ecnh trong c\u00e1c ng\u00e0nh kh\u00e1c nhau. B\u1eb1ng c\u00e1ch hi\u1ec7u chu\u1ea9n m\u00e1y \u0111o pH th\u01b0\u1eddng xuy\u00ean, c\u00e1c c\u00f4ng ty c\u00f3 th\u1ec3 \u0111\u1ea3m b\u1ea3o r\u1eb1ng h\u1ecd \u0111ang cung c\u1ea5p s\u1ea3n ph\u1ea9m ch\u1ea5t l\u01b0\u1ee3ng cao, thu\u1ed1c an to\u00e0n, n\u01b0\u1edbc s\u1ea1ch v\u00e0 quy tr\u00ecnh hi\u1ec7u qu\u1ea3. \u0110i\u1ec1u quan tr\u1ecdng l\u00e0 c\u00e1c c\u00f4ng ty ph\u1ea3i \u0111\u1ea7u t\u01b0 v\u00e0o quy tr\u00ecnh v\u00e0 thi\u1ebft b\u1ecb hi\u1ec7u chu\u1ea9n ph\u00f9 h\u1ee3p \u0111\u1ec3 duy tr\u00ec ph\u00e9p \u0111o pH ch\u00ednh x\u00e1c v\u00e0 duy tr\u00ec c\u00e1c ti\u00eau chu\u1ea9n ng\u00e0nh.<br>
\n<h1 id="importance-of-regular-ph-meter-calibration-for-reliable-results-wpaicgheading">T\u1ea7m quan tr\u1ecdng c\u1ee7a vi\u1ec7c hi\u1ec7u chu\u1ea9n m\u00e1y \u0111o pH th\u01b0\u1eddng xuy\u00ean \u0111\u1ec3 c\u00f3 k\u1ebft qu\u1ea3 \u0111\u00e1ng tin c\u1eady<\/h1><br>
\nTrong th\u1ebf gi\u1edbi khoa h\u1ecdc v\u00e0 nghi\u00ean c\u1ee9u, \u0111\u1ed9 ch\u00ednh x\u00e1c l\u00e0 \u0111i\u1ec1u t\u1ed1i quan tr\u1ecdng. Cho d\u00f9 ti\u1ebfn h\u00e0nh th\u00ed nghi\u1ec7m trong m\u00f4i tr\u01b0\u1eddng ph\u00f2ng th\u00ed nghi\u1ec7m hay theo d\u00f5i m\u1ee9c \u0111\u1ed9 pH c\u1ee7a b\u1ec3 b\u01a1i, vi\u1ec7c c\u00f3 c\u00e1c ph\u00e9p \u0111o ch\u00ednh x\u00e1c v\u00e0 \u0111\u00e1ng tin c\u1eady l\u00e0 r\u1ea5t quan tr\u1ecdng. M\u1ed9t c\u00f4ng c\u1ee5 th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 \u0111o \u0111\u1ed9 pH l\u00e0 m\u00e1y \u0111o pH. Tuy nhi\u00ean, \u0111\u1ec3 m\u00e1y \u0111o pH cho k\u1ebft qu\u1ea3 ch\u00ednh x\u00e1c, n\u00f3 ph\u1ea3i \u0111\u01b0\u1ee3c hi\u1ec7u chu\u1ea9n th\u01b0\u1eddng xuy\u00ean.<br>
\nhttps:\/\/www.youtube.com\/watch?v=huEnM2S4aYE<\/a><\/p>\n

\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
M\u00f4 h\u00ecnh<\/td>\nCCT-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
Kh\u00f4ng \u0111\u1ed5i<\/td>\n0,01cm-1<\/sup>, 0,1 cm-1<\/sup>, 1,0cm-1<\/sup>, 10,0cm-1<\/sup><\/td>\n<\/tr>\n
\u0110\u1ed9 d\u1eabn \u0111i\u1ec7n<\/td>\n(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
TDS<\/td>\n(250~50.000)ppm, (0,5~5.000)ppm, (0,25~100)ppm<\/td>\n<\/tr>\n
Nhi\u1ec7t \u0111\u1ed9 trung b\u00ecnh.<\/td>\n(0~180)\u00b0C(Nhi\u1ec7t \u0111\u1ed9. B\u1ed3i th\u01b0\u1eddng: Pt1000)<\/td>\n<\/tr>\n
\u0110\u1ed9 ph\u00e2n gi\u1ea3i<\/td>\n\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
\u0110\u1ed9 ch\u00ednh x\u00e1c<\/td>\n\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
Nhi\u1ec7t \u0111\u1ed9. b\u1ed3i th\u01b0\u1eddng<\/td>\nV\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
C\u1ed5ng giao ti\u1ebfp<\/td>\nGiao th\u1ee9c RS485 Modbus RTU<\/td>\n<\/tr>\n
\u0110\u1ea7u ra t\u01b0\u01a1ng t\u1ef1<\/td>\nK\u00eanh \u0111\u00f4i (4~20)mA. D\u1ee5ng c\u1ee5\/M\u00e1y ph\u00e1t \u0111\u1ec3 l\u1ef1a ch\u1ecdn<\/td>\n<\/tr>\n
\u0110\u1ea7u Ra \u0110i\u1ec1u Khi\u1ec3n<\/td>\nC\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
M\u00f4i tr\u01b0\u1eddng l\u00e0m vi\u1ec7c<\/td>\nNhi\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
M\u00f4i tr\u01b0\u1eddng l\u01b0u tr\u1eef<\/td>\nNhi\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
Ngu\u1ed3n \u0111i\u1ec7n<\/td>\nDC24V+\/- 15 ph\u1ea7n tr\u0103m <\/td>\n<\/tr>\n
M\u1ee9c \u0111\u1ed9 b\u1ea3o v\u1ec7<\/td>\nIP65 (c\u00f3 n\u1eafp l\u01b0ng)<\/td>\n<\/tr>\n
K\u00edch th\u01b0\u1edbc<\/td>\n96mmx96mmx94mm(CxRxD)<\/td>\n<\/tr>\n
K\u00edch th\u01b0\u1edbc l\u1ed7<\/td>\n9lmx91mm(CxR)<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/figure>\n

M\u00e1y \u0111o pH l\u00e0 d\u1ee5ng c\u1ee5 nh\u1ea1y c\u1ea3m \u0111\u1ec3 \u0111o \u0111\u1ed9 axit ho\u1eb7c \u0111\u1ed9 ki\u1ec1m c\u1ee7a dung d\u1ecbch. Ch\u00fang ho\u1ea1t \u0111\u1ed9ng b\u1eb1ng c\u00e1ch \u0111o n\u1ed3ng \u0111\u1ed9 ion hydro trong dung d\u1ecbch v\u00e0 chuy\u1ec3n \u0111\u1ed5i ph\u00e9p \u0111o \u0111\u00f3 th\u00e0nh gi\u00e1 tr\u1ecb pH. Th\u00f4ng tin n\u00e0y r\u1ea5t quan tr\u1ecdng trong nhi\u1ec1u \u1ee9ng d\u1ee5ng kh\u00e1c nhau, t\u1eeb theo d\u00f5i \u0111\u1ed9 pH c\u1ee7a \u0111\u1ea5t trong n\u00f4ng nghi\u1ec7p \u0111\u1ebfn \u0111\u1ea3m b\u1ea3o c\u00e2n b\u1eb1ng \u0111\u1ed9 pH th\u00edch h\u1ee3p c\u1ee7a n\u01b0\u1edbc trong b\u1ec3 c\u00e1.<\/p>\n

M\u1ed9t trong nh\u1eefng l\u00fd do ch\u00ednh t\u1ea1i sao vi\u1ec7c hi\u1ec7u chu\u1ea9n m\u00e1y \u0111o pH l\u1ea1i quan tr\u1ecdng l\u00e0 \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 ch\u00ednh x\u00e1c c\u1ee7a c\u00e1c b\u00e0i \u0111\u1ecdc. Theo th\u1eddi gian, m\u00e1y \u0111o pH c\u00f3 th\u1ec3 kh\u00f4ng c\u00f2n hi\u1ec7u chu\u1ea9n do c\u00e1c y\u1ebfu t\u1ed1 nh\u01b0 thay \u0111\u1ed5i nhi\u1ec7t \u0111\u1ed9, ti\u1ebfp x\u00fac v\u1edbi h\u00f3a ch\u1ea5t ho\u1eb7c \u0111\u01a1n gi\u1ea3n l\u00e0 hao m\u00f2n th\u00f4ng th\u01b0\u1eddng. N\u1ebfu m\u00e1y \u0111o pH kh\u00f4ng \u0111\u01b0\u1ee3c hi\u1ec7u chu\u1ea9n \u0111\u00fang c\u00e1ch, n\u00f3 c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn k\u1ebft qu\u1ea3 \u0111o kh\u00f4ng ch\u00ednh x\u00e1c, g\u00e2y ra h\u1eadu qu\u1ea3 nghi\u00eam tr\u1ecdng trong m\u1ed9t s\u1ed1 tr\u01b0\u1eddng h\u1ee3p.<\/p>\n

\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
Ph\u1ea1m vi \u0111o<\/td>\nPh\u01b0\u01a1ng ph\u00e1p quang ph\u1ed5 N,N-Diethyl-1,4-phenylenediamine (DPD)<\/td>\n<\/tr>\n
M\u00f4 h\u00ecnh<\/td>\nCLA-7112<\/td>\nCLA-7212<\/td>\nCLA-7113<\/td>\nCLA-7213<\/td>\n<\/tr>\n
K\u00eanh \u0111\u1ea7u v\u00e0o<\/td>\nK\u00eanh \u0111\u01a1n<\/td>\nK\u00eanh \u0111\u00f4i<\/td>\nK\u00eanh \u0111\u01a1n<\/td>\nK\u00eanh \u0111\u00f4i<\/td>\n<\/tr>\n
Ph\u1ea1m vi \u0111o<\/td>\nClorin t\u1ef1 do\uff1a(0,0-2,0)mg\/L, t\u00ednh b\u1eb1ng Cl2;<\/td>\nClo t\u1ef1 do:(0,5-10,0)mg\/L, t\u00ednh b\u1eb1ng Cl2;<\/td>\n<\/tr>\n
pH\uff1a\uff080-14\uff09\uff1bNhi\u1ec7t \u0111\u1ed9\uff1a\uff080-100\uff09\u2103<\/td>\n<\/tr>\n
\u0110\u1ed9 ch\u00ednh x\u00e1c<\/td>\nClor d\u01b0:\u00b110 ph\u1ea7n tr\u0103m ho\u1eb7c \u00b10,05mg\/L(l\u1ea5y gi\u00e1 tr\u1ecb l\u1edbn),T\u00ednh theo Cl2;<\/td>\nClor d\u01b0:\u00b110 ph\u1ea7n tr\u0103m ho\u1eb7c\u00b10,25mg\/L(l\u1ea5y gi\u00e1 tr\u1ecb l\u1edbn),T\u00ednh theo Cl2;<\/td>\n<\/tr>\n
pH:\u00b10.1pH\uff1bNhi\u1ec7t \u0111\u1ed9\uff1a\u00b10.5\u2103<\/td>\n<\/tr>\n
Th\u1eddi gian \u0111o<\/td>\n\u22642.5 ph\u00fat<\/td>\n<\/tr>\n
Kho\u1ea3ng th\u1eddi gian l\u1ea5y m\u1eabu<\/td>\nC\u00f3 th\u1ec3 \u0111\u1eb7t kho\u1ea3ng th\u1eddi gian (1\uff5e999) ph\u00fat t\u00f9y \u00fd<\/td>\n<\/tr>\n
Chu k\u1ef3 b\u1ea3o tr\u00ec<\/td>\nKhuy\u1ebfn ngh\u1ecb m\u1ed7i th\u00e1ng m\u1ed9t l\u1ea7n (xem ch\u01b0\u01a1ng b\u1ea3o tr\u00ec)<\/td>\n<\/tr>\n
Y\u00eau c\u1ea7u v\u1ec1 m\u00f4i tr\u01b0\u1eddng<\/td>\nPh\u00f2ng th\u00f4ng tho\u00e1ng, kh\u00f4 r\u00e1o, kh\u00f4ng rung l\u1eafc m\u1ea1nh;Nhi\u1ec7t \u0111\u1ed9 ph\u00f2ng khuy\u1ebfn ngh\u1ecb\uff1a\uff0815\uff5e28\uff09\u2103\uff1b\u0110\u1ed9 \u1ea9m t\u01b0\u01a1ng \u0111\u1ed1i\uff1a\u226485 ph\u1ea7n tr\u0103m \uff08Kh\u00f4ng ng\u01b0ng t\u1ee5\uff09<\/td>\n<\/tr>\n
D\u00f2ng m\u1eabu n\u01b0\u1edbc<\/td>\n\uff08200-400\uff09 mL\/ph\u00fat<\/td>\n<\/tr>\n
\u00c1p su\u1ea5t \u0111\u1ea7u v\u00e0o<\/td>\n\uff080.1-0.3\uff09 thanh<\/td>\n<\/tr>\n
Ph\u1ea1m vi nhi\u1ec7t \u0111\u1ed9 n\u01b0\u1edbc \u0111\u1ea7u v\u00e0o<\/td>\n\uff080-40\uff09\u2103<\/td>\n<\/tr>\n
Ngu\u1ed3n \u0111i\u1ec7n<\/td>\nAC (100-240)V\uff1b 50\/60Hz<\/td>\n<\/tr>\n
S\u1ee9c m\u1ea1nh<\/td>\n120W<\/td>\n<\/tr>\n
K\u1ebft n\u1ed1i ngu\u1ed3n<\/td>\nD\u00e2y ngu\u1ed3n 3 l\u00f5i c\u00f3 ph\u00edch c\u1eafm \u0111\u01b0\u1ee3c n\u1ed1i v\u00e0o \u1ed5 \u0111i\u1ec7n b\u1eb1ng d\u00e2y n\u1ed1i \u0111\u1ea5t<\/td>\n<\/tr>\n
\u0110\u1ea7u ra d\u1eef li\u1ec7u<\/td>\nRS232\/RS485\/\uff084\uff5e20\uff09mA<\/td>\n<\/tr>\n
K\u00edch th\u01b0\u1edbc<\/td>\nH*W*D\uff1a\uff08800*400*200\uff09mm<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/figure>\n

\nV\u00ed d\u1ee5, trong m\u00f4i tr\u01b0\u1eddng ph\u00f2ng th\u00ed nghi\u1ec7m, k\u1ebft qu\u1ea3 \u0111o pH kh\u00f4ng ch\u00ednh x\u00e1c c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn d\u1eef li\u1ec7u th\u1ef1c nghi\u1ec7m b\u1ecb l\u1ed7i, d\u1eabn \u0111\u1ebfn k\u1ebft lu\u1eadn kh\u00f4ng ch\u00ednh x\u00e1c v\u00e0 c\u00f3 kh\u1ea3 n\u0103ng l\u00e3ng ph\u00ed th\u1eddi gian v\u00e0 ngu\u1ed3n l\u1ef1c. Trong c\u00e1c \u1ee9ng d\u1ee5ng c\u00f4ng nghi\u1ec7p, ch\u1eb3ng h\u1ea1n nh\u01b0 nh\u00e0 m\u00e1y x\u1eed l\u00fd n\u01b0\u1edbc, vi\u1ec7c \u0111o pH kh\u00f4ng ch\u00ednh x\u00e1c c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn vi\u1ec7c x\u1eed l\u00fd n\u01b0\u1edbc kh\u00f4ng \u0111\u00fang c\u00e1ch, c\u00f3 th\u1ec3 g\u00e2y t\u00e1c \u0111\u1ed9ng ti\u00eau c\u1ef1c \u0111\u1ebfn m\u00f4i tr\u01b0\u1eddng v\u00e0 s\u1ee9c kh\u1ecfe c\u1ed9ng \u0111\u1ed3ng.<\/p>\n

\"alt-1818\"<\/p>\n

Hi\u1ec7u chu\u1ea9n m\u00e1y \u0111o pH th\u01b0\u1eddng xuy\u00ean gi\u00fap \u0111\u1ea3m b\u1ea3o r\u1eb1ng thi\u1ebft b\u1ecb cung c\u1ea5p k\u1ebft qu\u1ea3 ch\u00ednh x\u00e1c v\u00e0 \u0111\u00e1ng tin c\u1eady. B\u1eb1ng c\u00e1ch hi\u1ec7u chu\u1ea9n m\u00e1y \u0111o pH b\u1eb1ng dung d\u1ecbch \u0111\u1ec7m ti\u00eau chu\u1ea9n, ng\u01b0\u1eddi d\u00f9ng c\u00f3 th\u1ec3 x\u00e1c minh r\u1eb1ng thi\u1ebft b\u1ecb \u0111ang \u0111o gi\u00e1 tr\u1ecb pH m\u1ed9t c\u00e1ch ch\u00ednh x\u00e1c. \u0110i\u1ec1u n\u00e0y kh\u00f4ng ch\u1ec9 gi\u00fap duy tr\u00ec \u0111\u1ed9 ch\u00ednh x\u00e1c c\u1ee7a m\u00e1y \u0111o pH m\u00e0 c\u00f2n k\u00e9o d\u00e0i tu\u1ed5i th\u1ecd c\u1ee7a m\u00e1y, v\u00ec vi\u1ec7c hi\u1ec7u chu\u1ea9n th\u01b0\u1eddng xuy\u00ean c\u00f3 th\u1ec3 gi\u00fap x\u00e1c \u0111\u1ecbnh m\u1ecdi v\u1ea5n \u0111\u1ec1 ti\u1ec1m \u1ea9n tr\u01b0\u1edbc khi ch\u00fang tr\u1edf th\u00e0nh v\u1ea5n \u0111\u1ec1 nghi\u00eam tr\u1ecdng.<\/p>\n

\"alt-1820\"<\/p>\n

Ngo\u00e0i vi\u1ec7c \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 ch\u00ednh x\u00e1c, vi\u1ec7c hi\u1ec7u chu\u1ea9n m\u00e1y \u0111o pH c\u0169ng r\u1ea5t quan tr\u1ecdng \u0111\u1ec3 duy tr\u00ec t\u00ednh nh\u1ea5t qu\u00e1n. C\u00e1c ph\u00e9p \u0111o nh\u1ea5t qu\u00e1n l\u00e0 \u0111i\u1ec1u c\u1ea7n thi\u1ebft \u0111\u1ec3 so s\u00e1nh d\u1eef li\u1ec7u theo th\u1eddi gian ho\u1eb7c gi\u1eefa c\u00e1c c\u00f4ng c\u1ee5 kh\u00e1c nhau. B\u1eb1ng c\u00e1ch hi\u1ec7u chu\u1ea9n m\u00e1y \u0111o pH th\u01b0\u1eddng xuy\u00ean, ng\u01b0\u1eddi d\u00f9ng c\u00f3 th\u1ec3 \u0111\u1ea3m b\u1ea3o r\u1eb1ng c\u00e1c ph\u00e9p \u0111o c\u1ee7a h\u1ecd nh\u1ea5t qu\u00e1n v\u00e0 \u0111\u00e1ng tin c\u1eady, cho ph\u00e9p so s\u00e1nh v\u00e0 ph\u00e2n t\u00edch c\u00f3 \u00fd ngh\u0129a h\u01a1n.<\/p>\n

H\u01a1n n\u1eefa, vi\u1ec7c hi\u1ec7u chu\u1ea9n th\u01b0\u1eddng xuy\u00ean m\u00e1y \u0111o pH th\u01b0\u1eddng l\u00e0 y\u00eau c\u1ea7u b\u1eaft bu\u1ed9c \u0111\u1ec3 tu\u00e2n th\u1ee7 c\u00e1c ti\u00eau chu\u1ea9n v\u00e0 quy \u0111\u1ecbnh c\u1ee7a ng\u00e0nh. Nhi\u1ec1u ng\u00e0nh c\u00f4ng nghi\u1ec7p nh\u01b0 th\u1ef1c ph\u1ea9m v\u00e0 \u0111\u1ed3 u\u1ed1ng, d\u01b0\u1ee3c ph\u1ea9m v\u00e0 gi\u00e1m s\u00e1t m\u00f4i tr\u01b0\u1eddng c\u00f3 nh\u1eefng h\u01b0\u1edbng d\u1eabn nghi\u00eam ng\u1eb7t v\u1ec1 \u0111\u1ed9 ch\u00ednh x\u00e1c c\u1ee7a ph\u00e9p \u0111o pH. B\u1eb1ng c\u00e1ch hi\u1ec7u chu\u1ea9n m\u00e1y \u0111o pH th\u01b0\u1eddng xuy\u00ean, ng\u01b0\u1eddi d\u00f9ng c\u00f3 th\u1ec3 ch\u1ee9ng minh r\u1eb1ng h\u1ecd \u0111ang tu\u00e2n theo c\u00e1c ph\u01b0\u01a1ng ph\u00e1p th\u1ef1c h\u00e0nh t\u1ed1t nh\u1ea5t v\u00e0 \u0111\u00e1p \u1ee9ng c\u00e1c y\u00eau c\u1ea7u quy \u0111\u1ecbnh.<\/p>\n

T\u00f3m l\u1ea1i, vi\u1ec7c hi\u1ec7u chu\u1ea9n m\u00e1y \u0111o pH l\u00e0 c\u1ea7n thi\u1ebft \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o c\u00e1c ph\u00e9p \u0111o ch\u00ednh x\u00e1c, \u0111\u00e1ng tin c\u1eady v\u00e0 nh\u1ea5t qu\u00e1n. B\u1eb1ng c\u00e1ch hi\u1ec7u chu\u1ea9n m\u00e1y \u0111o pH th\u01b0\u1eddng xuy\u00ean, ng\u01b0\u1eddi d\u00f9ng c\u00f3 th\u1ec3 duy tr\u00ec \u0111\u1ed9 ch\u00ednh x\u00e1c c\u1ee7a thi\u1ebft b\u1ecb, k\u00e9o d\u00e0i tu\u1ed5i th\u1ecd c\u1ee7a thi\u1ebft b\u1ecb v\u00e0 tu\u00e2n th\u1ee7 c\u00e1c ti\u00eau chu\u1ea9n v\u00e0 quy \u0111\u1ecbnh c\u1ee7a ng\u00e0nh. D\u00f9 \u1edf trong ph\u00f2ng th\u00ed nghi\u1ec7m, c\u00f4ng nghi\u1ec7p hay m\u00f4i tr\u01b0\u1eddng, vi\u1ec7c hi\u1ec7u chu\u1ea9n m\u00e1y \u0111o pH th\u00edch h\u1ee3p l\u00e0 r\u1ea5t quan tr\u1ecdng \u0111\u1ec3 c\u00f3 \u0111\u01b0\u1ee3c k\u1ebft qu\u1ea3 \u0111\u00e1ng tin c\u1eady v\u00e0 \u0111\u01b0a ra quy\u1ebft \u0111\u1ecbnh s\u00e1ng su\u1ed1t.<\/p>\n","protected":false},"excerpt":{"rendered":"

L\u1ee3i \u00edch c\u1ee7a vi\u1ec7c \u0111o pH ch\u00ednh x\u00e1c trong c\u00e1c ng\u00e0nh c\u00f4ng nghi\u1ec7p kh\u00e1c nhau Trong nhi\u1ec1u ng\u00e0nh c\u00f4ng nghi\u1ec7p kh\u00e1c nhau, vi\u1ec7c \u0111o \u0111\u1ed9 pH ch\u00ednh x\u00e1c l\u00e0 r\u1ea5t quan tr\u1ecdng \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o ch\u1ea5t l\u01b0\u1ee3ng v\u00e0 an to\u00e0n c\u1ee7a s\u1ea3n ph\u1ea9m c\u0169ng nh\u01b0 duy tr\u00ec c\u00e1c quy tr\u00ecnh hi\u1ec7u qu\u1ea3. M\u1ed9t trong nh\u1eefng…<\/p>\n","protected":false},"author":1,"featured_media":18116,"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":[202],"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":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":false,"content":false,"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:\/\/chimaytech.net\/vi\/wp-json\/wp\/v2\/posts\/17866"}],"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=17866"}],"version-history":[{"count":0,"href":"https:\/\/chimaytech.net\/vi\/wp-json\/wp\/v2\/posts\/17866\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/chimaytech.net\/vi\/wp-json\/wp\/v2\/media\/18116"}],"wp:attachment":[{"href":"https:\/\/chimaytech.net\/vi\/wp-json\/wp\/v2\/media?parent=17866"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/chimaytech.net\/vi\/wp-json\/wp\/v2\/categories?post=17866"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/chimaytech.net\/vi\/wp-json\/wp\/v2\/tags?post=17866"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}