{"id":18609,"date":"2024-07-22T20:10:38","date_gmt":"2024-07-22T13:10:38","guid":{"rendered":"https:\/\/vn-tech.com.vn\/?p=18609"},"modified":"2025-02-07T11:39:59","modified_gmt":"2025-02-07T04:39:59","slug":"giam-sat-muc-dau-nhien-lieu-do-va-tich-the-tich-dau-ben-trong-bon-chua","status":"publish","type":"post","link":"https:\/\/vn-tech.com.vn\/?p=18609","title":{"rendered":"Gi\u00e1m s\u00e1t m\u1ee9c d\u1ea7u nhi\u00ean li\u1ec7u (DO) v\u00e0 t\u00ednh th\u1ec3 t\u00edch d\u1ea7u b\u00ean trong b\u1ed3n ch\u1ee9a"},"content":{"rendered":"<p>Vi\u1ec7c gi\u00e1m s\u00e1t m\u1ee9c\u00a0d\u1ea7u nhi\u00ean li\u1ec7u v\u00e0 t\u00edch h\u1ee3p th\u1ec3 t\u00edch d\u1ea7u b\u00ean trong b\u1ed3n ch\u1ee9a \u0111\u00f3ng vai tr\u00f2 quan tr\u1ecdng trong nhi\u1ec1u ng\u00e0nh c\u00f4ng nghi\u1ec7p, bao g\u1ed3m:<\/p>\n<ul>\n<li>D\u1ea7u kh\u00ed: Theo d\u00f5i l\u01b0\u1ee3ng d\u1ea7u th\u00f4, s\u1ea3n ph\u1ea9m x\u0103ng d\u1ea7u t\u1ea1i c\u00e1c kho, nh\u00e0 m\u00e1y l\u1ecdc h\u00f3a d\u1ea7u.<\/li>\n<li>N\u00f4ng nghi\u1ec7p: Qu\u1ea3n l\u00fd l\u01b0\u1ee3ng ph\u00e2n b\u00f3n, thu\u1ed1c tr\u1eeb s\u00e2u l\u01b0u tr\u1eef trong b\u1ed3n.<\/li>\n<li>S\u1ea3n xu\u1ea5t: Ki\u1ec3m so\u00e1t nguy\u00ean li\u1ec7u \u0111\u1ea7u v\u00e0o cho c\u00e1c quy tr\u00ecnh s\u1ea3n xu\u1ea5t.<\/li>\n<li>M\u00f4i tr\u01b0\u1eddng: Gi\u00e1m s\u00e1t n\u01b0\u1edbc th\u1ea3i, n\u01b0\u1edbc sinh ho\u1ea1t trong c\u00e1c b\u1ec3 ch\u1ee9a.<\/li>\n<li>Gi\u00e1m s\u00e1t m\u1ee9c DO v\u00e0 t\u00edch h\u1ee3p th\u1ec3 t\u00edch d\u1ea7u b\u00ean trong b\u1ed3n ch\u1ee9a<\/li>\n<\/ul>\n<h1>Y\u00eau c\u1ea7u kh\u00e1ch h\u00e0ng:<\/h1>\n<ul>\n<li>Gi\u00e1m s\u00e1t m\u1ee9c d\u1ea7u nhi\u00ean li\u1ec7u (DO) v\u00e0 t\u00edch th\u1ec3 t\u00edch d\u1ea7u b\u00ean trong b\u1ed3n ch\u1ee9a<\/li>\n<li>K\u00edch th\u01b0\u1edbc b\u1ed3n ch\u1ee9a d\u1ea7u DO: D\u00e0i x R\u1ed9ng x Cao : D2000x W1500x H2000mm<\/li>\n<\/ul>\n<p>V\u1edbi y\u00eau c\u1ea7u t\u1eeb kh\u00e1ch h\u00e0ng, VNTECH GROUP \u0111\u00e3 t\u01b0 v\u1ea5n d\u00f2ng s\u1ea3n ph\u1ea9m \u0111o m\u1ee9c nguy\u00ean li\u1ec7u theo nguy\u00ean l\u00fd \u00e1p su\u1ea5t th\u1ee7y t\u0129nh c\u1ee7a BD sensors t\u1eeb CHLB \u0110\u1ee9c<\/p>\n<p>T\u00edn hi\u1ec7u 4-20mA t\u1eeb c\u1ea3m bi\u1ebfn \u00e1p su\u1ea5t th\u1ee7y t\u0129nh s\u1ebd \u0111\u01b0\u1ee3c \u0111\u01b0a v\u00e0o m\u1ed9t b\u1ed9 l\u01b0u tr\u1eef v\u00e0 ph\u00e2n t\u00edch d\u1eef li\u1ec7u Data logger DL2 c\u1ee7a Metronic t\u1eeb Ba Lan.<\/p>\n<p>B\u1ed9 thu th\u1eadp d\u1eef li\u1ec7u DL2 c\u1ee7a Metronic c\u00f3 th\u1ec3 tr\u00edch xu\u1ea5t d\u1eef li\u1ec7u th\u00f4ng qua web server ho\u1eb7c qua c\u1ed5ng USB<\/p>\n<p><strong>Ph\u01b0\u01a1ng ph\u00e1p \u0111o:<\/strong><\/p>\n<p>S\u1eed d\u1ee5ng \u0111o m\u1ee9c th\u1ee7y t\u0129nh th\u1ea3 ch\u00ecm v\u00e0o trong b\u1ed3n \u0111\u1ec3 \u0111o \u00e1p su\u1ea5t m\u1ef1c d\u1ea7u DO, quy \u0111\u1ed5i th\u00e0nh m\u1ee9c d\u1ea7u b\u00ean trong b\u1ed3n ch\u1ee9a t\u1eeb \u0111\u00f3 t\u00ednh th\u1ec3 t\u00edch b\u00ean trong b\u1ed3n.<\/p>\n<p>T\u00ednh to\u00e1n:<\/p>\n<ul>\n<li>M\u1ef1c d\u1ea7u: h = P \/ (\u03c1 * g)<\/li>\n<\/ul>\n<p>Trong \u0111\u00f3:<\/p>\n<p>h l\u00e0 m\u1ef1c d\u1ea7u (m)<\/p>\n<p>P: \u00e1p su\u1ea5t th\u1ee7y t\u0129nh (Pa)<\/p>\n<p>\u03c1: kh\u1ed1i l\u01b0\u1ee3ng ri\u00eang d\u1ea7u DO (~840 kg\/m3)<\/p>\n<p>g: gia t\u1ed1c tr\u1ecdng tr\u01b0\u1eddng (~9.8 m\/s)<\/p>\n<p>V\u00ed d\u1ee5: c\u1ea3m bi\u1ebfn \u00e1p su\u1ea5t \u0111\u1ecdc \u0111\u01b0\u1ee3c l\u00e0 100 mbar (10,000 Pa), m\u1ef1c d\u1ea7u quy \u0111\u1ed5i l\u00e0 1.21m<\/p>\n<ul>\n<li>Th\u1ec3 t\u00edch ch\u1ea5t l\u1ecfng trong b\u1ed3n h\u00ecnh h\u1ed9p ch\u1eef nh\u1eadt: V = D*W*h<\/li>\n<\/ul>\n<p>Trong \u0111\u00f3:<\/p>\n<p>D: chi\u1ec1u d\u00e0i c\u1ee7a b\u1ed3n (m).<br \/>\nW: chi\u1ec1u r\u1ed9ng c\u1ee7a b\u1ed3n (m).<br \/>\nh: m\u1ef1c ch\u1ea5t l\u1ecfng trong b\u1ed3n (m)<\/p>\n<p>V\u1edbi k\u00edch th\u01b0\u1edbc b\u1ed3n c\u1ee7a kh\u00e1ch h\u00e0ng v\u00e0 m\u1ee9c n\u01b0\u1edbc 1.21m, th\u1ec3 t\u00edch d\u1ea7u t\u01b0\u01a1ng \u1ee9ng l\u00e0: 3630 l\u00edt (b\u1ecf qua ph\u1ea7n d\u1ea7u b\u00ean d\u01b0\u1edbi v\u1ecb tr\u00ed l\u1eafp \u0111\u1eb7t c\u1ea3m bi\u1ebfn m\u1ee9c, c\u00e1ch \u0111\u00e1y b\u1ed3n kho\u1ea3ng 50-100mm).<\/p>\n<h1>Gi\u1ea3i ph\u00e1p th\u1ef1c hi\u1ec7n:<\/h1>\n<h2>C\u1ea3m bi\u1ebfn \u0111o m\u1ee9c \u00e1p su\u1ea5t th\u1ee7y t\u0129nh BD Sensors LMP 307<\/h2>\n<p>C\u1ea3m bi\u1ebfn \u0111o m\u1ee9c \u00e1p su\u1ea5t th\u1ee7y t\u0129nh BD Sensors LMP 307 l\u00e0 thi\u1ebft b\u1ecb \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 \u0111o m\u1ee9c ch\u1ea5t l\u1ecfng trong b\u1ec3, b\u1ed3n ch\u1ee9a ho\u1eb7c \u0111\u01b0\u1eddng \u1ed1ng. C\u1ea3m bi\u1ebfn ho\u1ea1t \u0111\u1ed9ng d\u1ef1a tr\u00ean nguy\u00ean t\u1eafc \u0111o \u00e1p su\u1ea5t c\u1ed9t ch\u1ea5t l\u1ecfng t\u00e1c d\u1ee5ng l\u00ean m\u00e0ng c\u1ea3m bi\u1ebfn. \u00c1p su\u1ea5t n\u00e0y \u0111\u01b0\u1ee3c chuy\u1ec3n \u0111\u1ed5i th\u00e0nh t\u00edn hi\u1ec7u \u0111i\u1ec7n t\u01b0\u01a1ng \u1ee9ng v\u1edbi m\u1ee9c ch\u1ea5t l\u1ecfng.<\/p>\n<p>&nbsp;<\/p>\n<h3>\u01afu \u0111i\u1ec3m n\u1ed5i b\u1eadt:<\/h3>\n<ul>\n<li>\u0110\u1ed9 ch\u00ednh x\u00e1c cao l\u00ean \u0111\u1ebfn 0,25% FSO.<\/li>\n<li>\u0110\u1ed9 \u1ed5n \u0111\u1ecbnh cao, kh\u00f4ng b\u1ecb \u1ea3nh h\u01b0\u1edfng b\u1edfi b\u1ecdt, r\u00e1c, m\u00e0u s\u1eafc c\u1ee7a ch\u1ea5t l\u1ecfng.<\/li>\n<li>Kh\u1ea3 n\u0103ng ch\u1ed1ng qu\u00e1 t\u1ea3i cao l\u00ean \u0111\u1ebfn 2 l\u1ea7n \u00e1p su\u1ea5t t\u1ed1i \u0111a.<br \/>\nK\u00edch th\u01b0\u1edbc nh\u1ecf g\u1ecdn d\u1ec5 d\u00e0ng l\u1eafp \u0111\u1eb7t trong c\u00e1c kh\u00f4ng gian h\u1eb9p.<\/li>\n<li>Ph\u01b0\u01a1ng ph\u00e1p l\u1eafp \u0111\u1eb7t th\u1ea3 ch\u00ecm v\u00e0o trong m\u00f4i ch\u1ea5t \u0111o, kh\u00f4ng ph\u00e1t sinh l\u1ed7 k\u1ebft n\u1ed1i, \u0111\u1eb7c bi\u1ec7t ph\u00f9 h\u1ee3p v\u1edbi \u0111i\u1ec3m \u0111o kh\u00f4ng c\u00f3 \u0111i\u1ec3m k\u1ebft n\u1ed1i b\u00ean ngo\u00e0i v\u1eadt ch\u1ee9a ho\u1eb7c c\u00e1c d\u1ef1 \u00e1n n\u00e2ng c\u1ea5p, b\u1ed5 sung; h\u1ed7 tr\u1ee3 th\u1ef1c hi\u1ec7n b\u1ea3o tr\u00ec, thay th\u1ebf thi\u1ebft b\u1ecb m\u00e0 kh\u00f4ng c\u1ea7n gi\u1ea3i ph\u00f3ng m\u00f4i ch\u1ea5t trong b\u1ed3n.<\/li>\n<li>V\u1eadt li\u1ec7u ch\u1ed1ng \u0103n m\u00f2n: \u0111\u01b0\u1ee3c l\u00e0m t\u1eeb v\u1eadt li\u1ec7u ch\u1ed1ng \u0103n m\u00f2n, c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng trong nhi\u1ec1u m\u00f4i tr\u01b0\u1eddng h\u00f3a ch\u1ea5t kh\u00e1c nhau.<\/li>\n<\/ul>\n<h3>\u1ee8ng d\u1ee5ng:<\/h3>\n<ul>\n<li>\u0110o m\u1ee9c n\u01b0\u1edbc trong b\u1ec3 ch\u1ee9a, gi\u1ebfng n\u01b0\u1edbc, s\u00f4ng su\u1ed1i.<\/li>\n<li>\u0110o m\u1ee9c d\u1ea7u, h\u00f3a ch\u1ea5t trong b\u1ec3 ch\u1ee9a, b\u1ed3n khu\u1ea5y tr\u1ed9n.<\/li>\n<li>\u0110o \u00e1p su\u1ea5t kh\u00ed trong \u0111\u01b0\u1eddng \u1ed1ng, b\u00ecnh ch\u1ee9a kh\u00ed.<\/li>\n<li>Theo d\u00f5i m\u1ef1c n\u01b0\u1edbc th\u1ea3i trong tr\u1ea1m x\u1eed l\u00fd n\u01b0\u1edbc th\u1ea3i.<\/li>\n<li>V\u00e0 nhi\u1ec1u \u1ee9ng d\u1ee5ng kh\u00e1c.<\/li>\n<\/ul>\n<h2>B\u1ed9 thu th\u1eadp d\u1eef li\u1ec7u Metronic DL2<\/h2>\n<p>B\u1ed9 thu th\u1eadp d\u1eef li\u1ec7u Metronic DL2 l\u00e0 thi\u1ebft b\u1ecb ghi d\u1eef li\u1ec7u \u0111i\u1ec7n t\u1eed \u0111a k\u00eanh \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 \u0111\u00e1p \u1ee9ng nhu c\u1ea7u \u0111o l\u01b0\u1eddng v\u00e0 gi\u00e1m s\u00e1t \u0111a d\u1ea1ng trong c\u00e1c ng\u00e0nh c\u00f4ng nghi\u1ec7p v\u00e0 nghi\u00ean c\u1ee9u khoa h\u1ecdc. V\u1edbi kh\u1ea3 n\u0103ng linh ho\u1ea1t v\u00e0 hi\u1ec7u su\u1ea5t m\u1ea1nh m\u1ebd, DL2 tr\u1edf th\u00e0nh l\u1ef1a ch\u1ecdn t\u1ed1i \u01b0u cho c\u00e1c \u1ee9ng d\u1ee5ng:<\/p>\n<p>&nbsp;<\/p>\n<h3>\u01afu \u0111i\u1ec3m n\u1ed5i b\u1eadt:<\/h3>\n<ul>\n<li>C\u00f3 2 khe c\u1eafm module m\u1edf r\u1ed9ng, h\u1ed7 tr\u1ee3 k\u1ebft n\u1ed1i \u0111\u1ebfn 12 ng\u00f5 v\u00e0o\/ra ho\u1eb7c k\u1ebft n\u1ed1i m\u1ea1ng Modbus RTU, HART t\u00f9y l\u1ef1a ch\u1ecdn, cho ph\u00e9p thu th\u1eadp v\u00e0 l\u01b0u tr\u1eef nhi\u1ec1u gi\u00e1 tr\u1ecb kh\u00e1c nhau c\u00f9ng l\u00fac nh\u01b0 nhi\u1ec7t \u0111\u1ed9, \u00e1p su\u1ea5t, \u0111\u1ed9 \u1ea9m, l\u01b0u l\u01b0\u1ee3ng, v.v. hay \u0111i\u1ec1u khi\u1ec3n thi\u1ebft b\u1ecb ngo\u1ea1i vi kh\u00e1c.<\/li>\n<li>Cung c\u1ea5p giao di\u1ec7n tr\u1ef1c quan, d\u1ec5 d\u00e0ng theo d\u00f5i v\u00e0 v\u1eadn h\u00e0nh thi\u1ebft b\u1ecb.<\/li>\n<li>Thi\u1ebft k\u1ebf th\u00e2n thi\u1ec7n, thao t\u00e1c \u0111\u01a1n gi\u1ea3n, ph\u00f9 h\u1ee3p v\u1edbi m\u1ecdi \u0111\u1ed1i t\u01b0\u1ee3ng ng\u01b0\u1eddi d\u00f9ng.<\/li>\n<li>L\u01b0u tr\u1eef d\u1eef li\u1ec7u an to\u00e0n trong b\u1ed9 nh\u1edb trong ho\u1eb7c th\u1ebb nh\u1edb ngo\u00e0i, h\u1ed7 tr\u1ee3 nhi\u1ec1u \u0111\u1ecbnh d\u1ea1ng file.<\/li>\n<li>K\u1ebft n\u1ed1i v\u1edbi m\u00e1y t\u00ednh qua c\u1ed5ng USB ho\u1eb7c RS232 \u0111\u1ec3 truy\u1ec1n d\u1eef li\u1ec7u v\u00e0 c\u00e0i \u0111\u1eb7t.<\/li>\n<li>K\u1ebft n\u1ed1i l\u00ean h\u1ec7 th\u1ed1ng \u0111i\u1ec1u khi\u1ec3n v\u00e0 c\u00e1c h\u1ec7 th\u1ed1ng kh\u00e1c qua c\u1ed5ng Ethernet (Modbus TCP, web server) v\u00e0 Modbus RTU.<\/li>\n<li>C\u00f3 ch\u1ee9c n\u0103ng g\u1edfi email theo tr\u1ea1ng th\u00e1i c\u1ea3nh b\u00e1o ho\u1eb7c s\u1ed1 t\u1ed5ng.<\/li>\n<li>Trang b\u1ecb h\u00e0m to\u00e1n h\u1ecdc \u0111\u1ec3 t\u00ednh to\u00e1n c\u00e1c c\u00f4ng th\u1ee9c do ng\u01b0\u1eddi d\u00f9ng nh\u1eadp v\u00e0o, \u0111\u00e1p \u1ee9ng nhu c\u1ea7u ph\u00e2n t\u00edch d\u1eef li\u1ec7u chuy\u00ean s\u00e2u.<\/li>\n<li>4 \u0111\u1ea7u ra r\u01a1 le (SSR) gi\u00fap \u0111i\u1ec1u khi\u1ec3n c\u00e1c thi\u1ebft b\u1ecb ngo\u1ea1i vi, t\u1ef1 \u0111\u1ed9ng h\u00f3a quy tr\u00ecnh \u0111o l\u01b0\u1eddng, c\u1ea3nh b\u00e1o \u0111\u1ebfn ng\u01b0\u1eddi v\u1eadn h\u00e0nh v\u00e0 qu\u1ea3n l\u00fd<\/li>\n<li>1 ng\u00f5 ra analog 4-20mA.<\/li>\n<li>File d\u1eef li\u1ec7u \u0111\u01b0\u1ee3c b\u1ea3o m\u1eadt theo nguy\u00ean l\u00fd checksum secured.<\/li>\n<\/ul>\n<h3>\u1ee8ng d\u1ee5ng :<\/h3>\n<ul>\n<li>Gi\u00e1m s\u00e1t v\u1eadn h\u00e0nh l\u00f2 h\u01a1i: Theo d\u00f5i c\u00e1c th\u00f4ng s\u1ed1 quan tr\u1ecdng nh\u01b0 nhi\u1ec7t \u0111\u1ed9, \u00e1p su\u1ea5t, l\u01b0u l\u01b0\u1ee3ng n\u01b0\u1edbc, kh\u00ed \u0111\u1ed1t \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o hi\u1ec7u qu\u1ea3 v\u00e0 an to\u00e0n ho\u1ea1t \u0111\u1ed9ng.<\/li>\n<li>Gi\u00e1m s\u00e1t h\u1ec7 th\u1ed1ng HVAC: Qu\u1ea3n l\u00fd nhi\u1ec7t \u0111\u1ed9, \u0111\u1ed9 \u1ea9m, l\u01b0u l\u01b0\u1ee3ng kh\u00ed trong t\u00f2a nh\u00e0, v\u0103n ph\u00f2ng, nh\u00e0 x\u01b0\u1edfng, v.v.<\/li>\n<li>Gi\u00e1m s\u00e1t m\u00f4i tr\u01b0\u1eddng: \u0110o l\u01b0\u1eddng c\u00e1c y\u1ebfu t\u1ed1 m\u00f4i tr\u01b0\u1eddng nh\u01b0 nhi\u1ec7t \u0111\u1ed9, \u0111\u1ed9 \u1ea9m, \u00e1p su\u1ea5t kh\u00ed quy\u1ec3n, ch\u1ea5t l\u01b0\u1ee3ng kh\u00f4ng kh\u00ed, v.v.<\/li>\n<li>Thu th\u1eadp d\u1eef li\u1ec7u nghi\u00ean c\u1ee9u: Ghi l\u1ea1i d\u1eef li\u1ec7u th\u00ed nghi\u1ec7m, kh\u1ea3o s\u00e1t khoa h\u1ecdc trong c\u00e1c l\u0129nh v\u1ef1c nh\u01b0 n\u00f4ng nghi\u1ec7p, y h\u1ecdc, sinh h\u1ecdc, v.v.<\/li>\n<\/ul>\n<h2>C\u1ea5u h\u00ecnh theo y\u00eau c\u1ea7u d\u1ef1 \u00e1n:<\/h2>\n<ul>\n<li>K\u00eanh 1 \u2013 hi\u1ec3n th\u1ecb, l\u01b0u tr\u1eef v\u00e0 gi\u00e1m s\u00e1t m\u1ef1c d\u1ea7u: nh\u1eadn gi\u00e1 tr\u00ed 4-20mA t\u1eeb c\u1ea3m bi\u1ebfn quy \u0111\u1ed5i v\u1ec1 m\u1ef1c b\u1ed3n theo c\u00f4ng th\u1ee9c h = P \/ (\u03c1 * g).<\/li>\n<li>K\u00eanh 2 \u2013 hi\u1ec3n th\u1ecb, l\u01b0u tr\u1eef v\u00e0 gi\u00e1m s\u00e1t th\u1ec3 t\u00edch d\u1ea7u trong b\u1ed3n: nh\u1eadn gi\u00e1 tr\u1ecb 4-20mA t\u1eeb c\u1ea3m bi\u1ebfn, quy \u0111\u1ed5i ra th\u1ec3 t\u00edch b\u1ed3n theo c\u00f4ng th\u1ee9c V = D*W*h<\/li>\n<\/ul>\n<h1>K\u1ebft lu\u1eadn<\/h1>\n<p>Gi\u00e1m s\u00e1t m\u1ee9c d\u1ea7u DO v\u00e0 t\u00edch h\u1ee3p th\u1ec3 t\u00edch d\u1ea7u b\u00ean trong b\u1ed3n ch\u1ee9a mang l\u1ea1i nhi\u1ec1u l\u1ee3i \u00edch cho c\u00e1c ng\u00e0nh c\u00f4ng nghi\u1ec7p kh\u00e1c nhau. Vi\u1ec7c l\u1ef1a ch\u1ecdn ph\u01b0\u01a1ng ph\u00e1p ph\u00f9 h\u1ee3p ph\u1ee5 thu\u1ed9c v\u00e0o nhi\u1ec1u y\u1ebfu t\u1ed1, c\u1ea7n \u0111\u01b0\u1ee3c c\u00e2n nh\u1eafc k\u1ef9 l\u01b0\u1ee1ng tr\u01b0\u1edbc khi tri\u1ec3n khai.<\/p>\n<p>VNTECH GROUP cung c\u1ea5p c\u00e1c gi\u1ea3i ph\u00e1p, thi\u1ebft b\u1ecb c\u00f3 th\u1ec3 \u0111\u00e1p \u1ee9ng h\u1ea7u h\u1ebft c\u00e1c \u1ee9ng d\u1ee5ng trong c\u00f4ng nghi\u1ec7p v\u1edbi ti\u00eau chu\u1ea9n Ch\u00e2u \u00c2u cho \u0111\u1ed9 ch\u00ednh x\u00e1c cao v\u00e0 ch\u1ebf \u0111\u1ed9 d\u1ecbch v\u1ee5 h\u1ed7 tr\u1ee3 t\u1ed1i \u0111a cho Qu\u00fd kh\u00e1ch h\u00e0ng c\u00f3 th\u1ec3 y\u00ean t\u00e2m s\u1eed d\u1ee5ng l\u00e2u d\u00e0i.<\/p>\n<h1>Li\u00ean h\u1ec7<\/h1>\n<p>VN TECH GROUP lu\u00f4n t\u00e2m ni\u1ec7m s\u1ef1 h\u00e0i l\u00f2ng c\u1ee7a kh\u00e1ch h\u00e0ng l\u00e0 m\u1ee5c ti\u00eau quan tr\u1ecdng. Ch\u00fang t\u00f4i cam k\u1ebft \u0111em l\u1ea1i nh\u1eefng s\u1ea3n ph\u1ea9m v\u00e0 d\u1ecbch v\u1ee5 v\u1edbi ch\u1ea5t l\u01b0\u1ee3ng t\u1ed1t nh\u1ea5t cho Qu\u00fd kh\u00e1ch h\u00e0ng.<\/p>\n<p>H\u00e3y li\u00ean h\u1ec7 v\u1edbi ch\u00fang t\u00f4i \u0111\u1ec3 c\u00f3 gi\u1ea3i ph\u00e1p t\u1ed1t nh\u1ea5t cho y\u00eau c\u1ea7u c\u1ee7a b\u1ea1n c\u00f9ng v\u1edbi gi\u00e1 c\u1ea3 c\u1ea1nh tranh nh\u1ea5t th\u1ecb tr\u01b0\u1eddng<\/p>\n<p>Xem th\u00eam:<\/p>\n<p>C\u1ea3m bi\u1ebfn \u0111o m\u1ee9c li\u00ean t\u1ee5c 4-20 mA<\/p>\n<p>B\u1ed9 chuy\u1ec3n \u0111\u1ed5i t\u00edn hi\u1ec7u<\/p>\n<p>S\u1ea3n ph\u1ea9m m\u1edbi PR Electronics<\/p>\n<p>B\u1ed9 chuy\u1ec3n \u0111\u1ed5i t\u00edn hi\u1ec7u \u0111a n\u0103ng PR4116<\/p>\n<p>10 c\u00e2u h\u1ecfi \u0111\u00e1p v\u1ec1 m\u00e0n h\u00ecnh hi\u1ec3n th\u1ecb t\u00edn hi\u1ec7u PR 4511<\/p>\n<p>B\u1ed9 chuy\u1ec3n \u0111\u1ed5i t\u00edn hi\u1ec7u xung \u0111a n\u0103ng PR 4225<\/p>\n<p>\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2013<br \/>\nVNTECH GROUP \u2013 Your Partner For Automation, Instrumentation &amp; Industrial Valves<br \/>\nC\u00f4ng Ty Thi\u1ebft B\u1ecb C\u00f4ng Nghi\u1ec7p Vi\u1ec7t Nh\u1eadt<br \/>\nHotline: 0918 113 733<br \/>\nEmail: info@vntechgroup.com.vn<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Vi\u1ec7c gi\u00e1m s\u00e1t m\u1ee9c\u00a0d\u1ea7u nhi\u00ean li\u1ec7u v\u00e0 t\u00edch h\u1ee3p th\u1ec3 t\u00edch d\u1ea7u b\u00ean trong b\u1ed3n ch\u1ee9a \u0111\u00f3ng vai tr\u00f2 quan tr\u1ecdng trong nhi\u1ec1u ng\u00e0nh c\u00f4ng nghi\u1ec7p, bao g\u1ed3m: D\u1ea7u kh\u00ed: Theo d\u00f5i l\u01b0\u1ee3ng d\u1ea7u th\u00f4, s\u1ea3n ph\u1ea9m x\u0103ng d\u1ea7u t\u1ea1i c\u00e1c kho, nh\u00e0 m\u00e1y l\u1ecdc h\u00f3a d\u1ea7u. N\u00f4ng nghi\u1ec7p: Qu\u1ea3n l\u00fd l\u01b0\u1ee3ng ph\u00e2n b\u00f3n, thu\u1ed1c &#8230; <a title=\"Gi\u00e1m s\u00e1t m\u1ee9c d\u1ea7u nhi\u00ean li\u1ec7u (DO) v\u00e0 t\u00ednh th\u1ec3 t\u00edch d\u1ea7u b\u00ean trong b\u1ed3n ch\u1ee9a\" class=\"read-more\" href=\"https:\/\/vn-tech.com.vn\/?p=18609\" aria-label=\"More on Gi\u00e1m s\u00e1t m\u1ee9c d\u1ea7u nhi\u00ean li\u1ec7u (DO) v\u00e0 t\u00ednh th\u1ec3 t\u00edch d\u1ea7u b\u00ean trong b\u1ed3n ch\u1ee9a\">\u0110\u1ecdc ti\u1ebfp<\/a><\/p>\n","protected":false},"author":9,"featured_media":18614,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[229],"tags":[],"class_list":["post-18609","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-tin-tuc"],"lang":"vi","translations":{"vi":18609},"pll_sync_post":[],"_links":{"self":[{"href":"https:\/\/vn-tech.com.vn\/index.php?rest_route=\/wp\/v2\/posts\/18609"}],"collection":[{"href":"https:\/\/vn-tech.com.vn\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/vn-tech.com.vn\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/vn-tech.com.vn\/index.php?rest_route=\/wp\/v2\/users\/9"}],"replies":[{"embeddable":true,"href":"https:\/\/vn-tech.com.vn\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=18609"}],"version-history":[{"count":9,"href":"https:\/\/vn-tech.com.vn\/index.php?rest_route=\/wp\/v2\/posts\/18609\/revisions"}],"predecessor-version":[{"id":19101,"href":"https:\/\/vn-tech.com.vn\/index.php?rest_route=\/wp\/v2\/posts\/18609\/revisions\/19101"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/vn-tech.com.vn\/index.php?rest_route=\/wp\/v2\/media\/18614"}],"wp:attachment":[{"href":"https:\/\/vn-tech.com.vn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=18609"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vn-tech.com.vn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=18609"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vn-tech.com.vn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=18609"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}