{"id":21419,"date":"2024-08-19T14:57:29","date_gmt":"2024-08-19T06:57:29","guid":{"rendered":"https:\/\/shchimay.com\/?p=21419"},"modified":"2024-08-21T01:40:44","modified_gmt":"2024-08-20T17:40:44","slug":"how-flow-transmitter-works","status":"publish","type":"post","link":"https:\/\/shchimay.com\/vi\/how-flow-transmitter-works\/","title":{"rendered":"c\u00e1ch th\u1ee9c ho\u1ea1t \u0111\u1ed9ng c\u1ee7a b\u1ed9 truy\u1ec1n l\u01b0u l\u01b0\u1ee3ng"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_50 counter-hierarchy ez-toc-counter ez-toc-light-blue ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\">Table of Contents<\/p>\n<span class=\"ez-toc-title-toggle\"><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-1'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/shchimay.com\/vi\/how-flow-transmitter-works\/#Nguyen_tac_hoat_dong_cua_bo_truyen_luu_luong\" title=\"Nguy\u00ean t\u1eafc ho\u1ea1t \u0111\u1ed9ng c\u1ee7a b\u1ed9 truy\u1ec1n l\u01b0u l\u01b0\u1ee3ng\">Nguy\u00ean t\u1eafc ho\u1ea1t \u0111\u1ed9ng c\u1ee7a b\u1ed9 truy\u1ec1n l\u01b0u l\u01b0\u1ee3ng<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-1'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/shchimay.com\/vi\/how-flow-transmitter-works\/#Cac_loai_thiet_bi_truyen_luu_luong_va_ung_dung_cua_chung\" title=\"C\u00e1c lo\u1ea1i thi\u1ebft b\u1ecb truy\u1ec1n l\u01b0u l\u01b0\u1ee3ng v\u00e0 \u1ee9ng d\u1ee5ng c\u1ee7a ch\u00fang\">C\u00e1c lo\u1ea1i thi\u1ebft b\u1ecb truy\u1ec1n l\u01b0u l\u01b0\u1ee3ng v\u00e0 \u1ee9ng d\u1ee5ng c\u1ee7a ch\u00fang<\/a><\/li><\/ul><\/nav><\/div>\n<h1 id=\"principles-of-operation-of-flow-transmitters-wpaicgheading\"><span class=\"ez-toc-section\" id=\"Nguyen_tac_hoat_dong_cua_bo_truyen_luu_luong\"><\/span>Nguy\u00ean t\u1eafc ho\u1ea1t \u0111\u1ed9ng c\u1ee7a b\u1ed9 truy\u1ec1n l\u01b0u l\u01b0\u1ee3ng<span class=\"ez-toc-section-end\"><\/span><\/h1>\n<p>\nB\u1ed9 truy\u1ec1n l\u01b0u l\u01b0\u1ee3ng l\u00e0 thi\u1ebft b\u1ecb thi\u1ebft y\u1ebfu \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c ng\u00e0nh c\u00f4ng nghi\u1ec7p kh\u00e1c nhau \u0111\u1ec3 \u0111o t\u1ed1c \u0111\u1ed9 d\u00f2ng ch\u1ea5t l\u1ecfng ho\u1eb7c kh\u00ed trong h\u1ec7 th\u1ed1ng. C\u00e1c thi\u1ebft b\u1ecb n\u00e0y \u0111\u00f3ng m\u1ed9t vai tr\u00f2 quan tr\u1ecdng trong vi\u1ec7c \u0111\u1ea3m b\u1ea3o hi\u1ec7u qu\u1ea3 v\u00e0 \u0111\u1ed9 ch\u00ednh x\u00e1c c\u1ee7a c\u00e1c quy tr\u00ecnh d\u1ef1a v\u00e0o vi\u1ec7c \u0111o ch\u00ednh x\u00e1c t\u1ed1c \u0111\u1ed9 d\u00f2ng ch\u1ea3y. Hi\u1ec3u c\u00e1ch th\u1ee9c ho\u1ea1t \u0111\u1ed9ng c\u1ee7a b\u1ed9 truy\u1ec1n l\u01b0u l\u01b0\u1ee3ng l\u00e0 \u0111i\u1ec1u c\u1ea7n thi\u1ebft \u0111\u1ed1i v\u1edbi b\u1ea5t k\u1ef3 ai l\u00e0m vi\u1ec7c trong c\u00e1c ng\u00e0nh m\u00e0 vi\u1ec7c \u0111o l\u01b0u l\u01b0\u1ee3ng l\u00e0 r\u1ea5t quan tr\u1ecdng.<\/p>\n<p>V\u1ec1 c\u1ed1t l\u00f5i, b\u1ed9 truy\u1ec1n l\u01b0u l\u01b0\u1ee3ng l\u00e0 m\u1ed9t thi\u1ebft b\u1ecb chuy\u1ec3n \u0111\u1ed5i t\u1ed1c \u0111\u1ed9 d\u00f2ng ch\u1ea3y c\u1ee7a ch\u1ea5t l\u1ecfng th\u00e0nh t\u00edn hi\u1ec7u \u0111i\u1ec7n c\u00f3 th\u1ec3 d\u1ec5 d\u00e0ng \u0111o v\u00e0 theo d\u00f5i. Nguy\u00ean t\u1eafc c\u01a1 b\u1ea3n \u0111\u1eb1ng sau ho\u1ea1t \u0111\u1ed9ng c\u1ee7a b\u1ed9 truy\u1ec1n l\u01b0u l\u01b0\u1ee3ng l\u00e0 \u0111o chuy\u1ec3n \u0111\u1ed9ng c\u1ee7a ch\u1ea5t l\u1ecfng \u0111i qua \u0111\u01b0\u1eddng \u1ed1ng ho\u1eb7c \u1ed1ng d\u1eabn v\u00e0 chuy\u1ec3n chuy\u1ec3n \u0111\u1ed9ng n\u00e0y th\u00e0nh t\u00edn hi\u1ec7u c\u00f3 th\u1ec3 \u0111o \u0111\u01b0\u1ee3c.<\/p>\n<p>C\u00f3 m\u1ed9t s\u1ed1 lo\u1ea1i b\u1ed9 truy\u1ec1n l\u01b0u l\u01b0\u1ee3ng, m\u1ed7i lo\u1ea1i s\u1eed d\u1ee5ng c\u00e1c nguy\u00ean t\u1eafc ho\u1ea1t \u0111\u1ed9ng kh\u00e1c nhau \u0111\u1ec3 \u0111o t\u1ed1c \u0111\u1ed9 d\u00f2ng ch\u1ea3y m\u1ed9t c\u00e1ch ch\u00ednh x\u00e1c. M\u1ed9t lo\u1ea1i m\u00e1y ph\u00e1t l\u01b0u l\u01b0\u1ee3ng ph\u1ed5 bi\u1ebfn l\u00e0 m\u00e1y ph\u00e1t l\u01b0u l\u01b0\u1ee3ng ch\u00eanh l\u1ec7ch \u00e1p su\u1ea5t. Lo\u1ea1i m\u00e1y ph\u00e1t n\u00e0y ho\u1ea1t \u0111\u1ed9ng b\u1eb1ng c\u00e1ch \u0111o \u0111\u1ed9 gi\u1ea3m \u00e1p su\u1ea5t qua m\u1ed9t \u0111i\u1ec3m h\u1ea1n ch\u1ebf trong \u0111\u01b0\u1eddng d\u1eabn d\u00f2ng ch\u1ea3y, ch\u1eb3ng h\u1ea1n nh\u01b0 t\u1ea5m l\u1ed7 ho\u1eb7c \u1ed1ng venturi. \u0110\u1ed9 gi\u1ea3m \u00e1p su\u1ea5t t\u1ef7 l\u1ec7 thu\u1eadn v\u1edbi t\u1ed1c \u0111\u1ed9 d\u00f2ng ch\u1ea3y, cho ph\u00e9p m\u00e1y ph\u00e1t t\u00ednh to\u00e1n t\u1ed1c \u0111\u1ed9 d\u00f2ng ch\u1ea3y d\u1ef1a tr\u00ean ch\u00eanh l\u1ec7ch \u00e1p su\u1ea5t.<\/p>\n<p>M\u1ed9t lo\u1ea1i m\u00e1y ph\u00e1t l\u01b0u l\u01b0\u1ee3ng kh\u00e1c l\u00e0 m\u00e1y ph\u00e1t l\u01b0u l\u01b0\u1ee3ng \u0111i\u1ec7n t\u1eeb, s\u1eed d\u1ee5ng \u0111\u1ecbnh lu\u1eadt c\u1ea3m \u1ee9ng \u0111i\u1ec7n t\u1eeb Faraday \u0111\u1ec3 \u0111o t\u1ed1c \u0111\u1ed9 d\u00f2ng ch\u1ea3y c\u1ee7a ch\u1ea5t l\u1ecfng d\u1eabn \u0111i\u1ec7n. Trong lo\u1ea1i m\u00e1y ph\u00e1t n\u00e0y, c\u00e1c \u0111i\u1ec7n c\u1ef1c \u0111\u01b0\u1ee3c \u0111\u1eb7t trong d\u00f2ng ch\u1ea3y v\u00e0 t\u1eeb tr\u01b0\u1eddng \u0111\u01b0\u1ee3c \u0111\u1eb7t vu\u00f4ng g\u00f3c v\u1edbi h\u01b0\u1edbng d\u00f2ng ch\u1ea3y. Khi ch\u1ea5t l\u1ecfng d\u1eabn \u0111i\u1ec7n ch\u1ea3y qua t\u1eeb tr\u01b0\u1eddng, m\u1ed9t \u0111i\u1ec7n \u00e1p \u0111\u01b0\u1ee3c t\u1ea1o ra tr\u00ean c\u00e1c \u0111i\u1ec7n c\u1ef1c t\u1ef7 l\u1ec7 thu\u1eadn v\u1edbi t\u1ed1c \u0111\u1ed9 d\u00f2ng ch\u1ea3y.<\/p>\n<p>M\u00e1y ph\u00e1t d\u00f2ng si\u00eau \u00e2m l\u00e0 m\u1ed9t lo\u1ea1i m\u00e1y ph\u00e1t d\u00f2ng ch\u1ea3y ph\u1ed5 bi\u1ebfn kh\u00e1c s\u1eed d\u1ee5ng s\u00f3ng si\u00eau \u00e2m \u0111\u1ec3 \u0111o t\u1ed1c \u0111\u1ed9 d\u00f2ng ch\u1ea3y. Trong lo\u1ea1i m\u00e1y ph\u00e1t n\u00e0y, c\u00e1c c\u1ea3m bi\u1ebfn si\u00eau \u00e2m \u0111\u01b0\u1ee3c \u0111\u1eb7t \u1edf c\u00e1c ph\u00eda \u0111\u1ed1i di\u1ec7n c\u1ee7a d\u00f2ng ch\u1ea3y v\u00e0 th\u1eddi gian c\u1ea7n thi\u1ebft \u0111\u1ec3 xung si\u00eau \u00e2m truy\u1ec1n t\u1eeb c\u1ea3m bi\u1ebfn n\u00e0y sang c\u1ea3m bi\u1ebfn kh\u00e1c s\u1ebd \u0111\u01b0\u1ee3c \u0111o. B\u1eb1ng c\u00e1ch so s\u00e1nh th\u1eddi gian \u0111\u1ec3 xung truy\u1ec1n ng\u01b0\u1ee3c d\u00f2ng v\u00e0 xu\u00f4i d\u00f2ng, m\u00e1y ph\u00e1t c\u00f3 th\u1ec3 t\u00ednh to\u00e1n t\u1ed1c \u0111\u1ed9 d\u00f2ng ch\u1ea3y c\u1ee7a ch\u1ea5t l\u1ecfng.<\/p>\n<p>M\u00e1y ph\u00e1t d\u00f2ng nhi\u1ec7t l\u00e0 m\u1ed9t lo\u1ea1i m\u00e1y ph\u00e1t d\u00f2ng ch\u1ea3y kh\u00e1c s\u1eed d\u1ee5ng nguy\u00ean l\u00fd truy\u1ec1n nhi\u1ec7t \u0111\u1ec3 \u0111o t\u1ed1c \u0111\u1ed9 d\u00f2ng ch\u1ea3y. Trong lo\u1ea1i m\u00e1y ph\u00e1t n\u00e0y, m\u1ed9t c\u1ea3m bi\u1ebfn \u0111\u01b0\u1ee3c l\u00e0m n\u00f3ng \u0111\u01b0\u1ee3c \u0111\u1eb7t trong d\u00f2ng ch\u1ea3y v\u00e0 \u0111o l\u01b0\u1ee3ng nhi\u1ec7t truy\u1ec1n t\u1eeb c\u1ea3m bi\u1ebfn \u0111\u1ebfn ch\u1ea5t l\u1ecfng \u0111ang ch\u1ea3y. T\u1ed1c \u0111\u1ed9 truy\u1ec1n nhi\u1ec7t t\u1ef7 l\u1ec7 thu\u1eadn v\u1edbi t\u1ed1c \u0111\u1ed9 d\u00f2ng ch\u1ea3y, cho ph\u00e9p m\u00e1y ph\u00e1t t\u00ednh to\u00e1n t\u1ed1c \u0111\u1ed9 d\u00f2ng ch\u1ea3y d\u1ef1a tr\u00ean qu\u00e1 tr\u00ecnh truy\u1ec1n nhi\u1ec7t.<\/p>\n<p><img decoding=\"async\" src=\"http:\/\/shchimay.com\/wp-content\/uploads\/2023\/11\/ROS-360-7\u5bf8\u89e6\u6478\u5c4fRO\u7a0b\u63a7\u5668\u53cc\u8def\u7535\u5bfc\u73871.png\" alt=\"alt-6810\" class=\"wp-image-6810\" id=\"i6810\" \/><\/p>\n<p>Nh\u00ecn chung, b\u1ed9 truy\u1ec1n l\u01b0u l\u01b0\u1ee3ng \u0111\u00f3ng vai tr\u00f2 quan tr\u1ecdng trong vi\u1ec7c \u0111\u1ea3m b\u1ea3o hi\u1ec7u qu\u1ea3 v\u00e0 \u0111\u1ed9 ch\u00ednh x\u00e1c c\u1ee7a c\u00e1c quy tr\u00ecnh d\u1ef1a v\u00e0o ph\u00e9p \u0111o ch\u00ednh x\u00e1c t\u1ed1c \u0111\u1ed9 d\u00f2ng ch\u1ea3y. B\u1eb1ng c\u00e1ch hi\u1ec3u c\u00e1c nguy\u00ean t\u1eafc ho\u1ea1t \u0111\u1ed9ng c\u1ee7a thi\u1ebft b\u1ecb truy\u1ec1n l\u01b0u l\u01b0\u1ee3ng, c\u00e1c chuy\u00ean gia trong c\u00e1c ng\u00e0nh kh\u00e1c nhau c\u00f3 th\u1ec3 \u0111\u01b0a ra quy\u1ebft \u0111\u1ecbnh s\u00e1ng su\u1ed1t v\u1ec1 lo\u1ea1i thi\u1ebft b\u1ecb truy\u1ec1n ph\u00e1t ph\u00f9 h\u1ee3p nh\u1ea5t cho \u1ee9ng d\u1ee5ng c\u1ee5 th\u1ec3 c\u1ee7a h\u1ecd. Cho d\u00f9 \u0111\u00f3 l\u00e0 m\u00e1y ph\u00e1t l\u01b0u l\u01b0\u1ee3ng ch\u00eanh l\u1ec7ch \u00e1p su\u1ea5t, m\u00e1y ph\u00e1t l\u01b0u l\u01b0\u1ee3ng \u0111i\u1ec7n t\u1eeb, m\u00e1y ph\u00e1t l\u01b0u l\u01b0\u1ee3ng si\u00eau \u00e2m hay m\u00e1y ph\u00e1t l\u01b0u l\u01b0\u1ee3ng nhi\u1ec7t, m\u1ed7i lo\u1ea1i \u0111\u1ec1u c\u00f3 nh\u1eefng \u01b0u \u0111i\u1ec3m v\u00e0 h\u1ea1n ch\u1ebf ri\u00eang. B\u1eb1ng c\u00e1ch ch\u1ecdn \u0111\u00fang lo\u1ea1i thi\u1ebft b\u1ecb truy\u1ec1n l\u01b0u l\u01b0\u1ee3ng cho m\u1ed9t \u1ee9ng d\u1ee5ng c\u1ee5 th\u1ec3, c\u00e1c ng\u00e0nh c\u00f4ng nghi\u1ec7p c\u00f3 th\u1ec3 \u0111\u1ea3m b\u1ea3o \u0111o ch\u00ednh x\u00e1c t\u1ed1c \u0111\u1ed9 d\u00f2ng ch\u1ea3y v\u00e0 t\u1ed1i \u01b0u h\u00f3a quy tr\u00ecnh c\u1ee7a m\u00ecnh \u0111\u1ec3 \u0111\u1ea1t hi\u1ec7u qu\u1ea3 t\u1ed1i \u0111a.<\/p>\n<h1 id=\"types-of-flow-transmitters-and-their-applications-wpaicgheading\"><span class=\"ez-toc-section\" id=\"Cac_loai_thiet_bi_truyen_luu_luong_va_ung_dung_cua_chung\"><\/span>C\u00e1c lo\u1ea1i thi\u1ebft b\u1ecb truy\u1ec1n l\u01b0u l\u01b0\u1ee3ng v\u00e0 \u1ee9ng d\u1ee5ng c\u1ee7a ch\u00fang<span class=\"ez-toc-section-end\"><\/span><\/h1>\n<p>\nM\u00e1y ph\u00e1t l\u01b0u l\u01b0\u1ee3ng l\u00e0 thi\u1ebft b\u1ecb thi\u1ebft y\u1ebfu \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c ng\u00e0nh c\u00f4ng nghi\u1ec7p kh\u00e1c nhau \u0111\u1ec3 \u0111o t\u1ed1c \u0111\u1ed9 d\u00f2ng ch\u1ea3y c\u1ee7a ch\u1ea5t l\u1ecfng v\u00e0 kh\u00ed. Ch\u00fang \u0111\u00f3ng m\u1ed9t vai tr\u00f2 quan tr\u1ecdng trong vi\u1ec7c \u0111\u1ea3m b\u1ea3o hi\u1ec7u qu\u1ea3 v\u00e0 \u0111\u1ed9 ch\u00ednh x\u00e1c c\u1ee7a c\u00e1c quy tr\u00ecnh d\u1ef1a v\u00e0o vi\u1ec7c ki\u1ec3m so\u00e1t ch\u00ednh x\u00e1c t\u1ed1c \u0111\u1ed9 d\u00f2ng ch\u1ea3y. Trong b\u00e0i vi\u1ebft n\u00e0y, ch\u00fang ta s\u1ebd kh\u00e1m ph\u00e1 c\u00e1c lo\u1ea1i thi\u1ebft b\u1ecb truy\u1ec1n l\u01b0u l\u01b0\u1ee3ng kh\u00e1c nhau v\u00e0 \u1ee9ng d\u1ee5ng c\u1ee7a ch\u00fang trong c\u00e1c ng\u00e0nh kh\u00e1c nhau.<\/p>\n<p>M\u1ed9t trong nh\u1eefng lo\u1ea1i thi\u1ebft b\u1ecb truy\u1ec1n l\u01b0u l\u01b0\u1ee3ng ph\u1ed5 bi\u1ebfn nh\u1ea5t l\u00e0 thi\u1ebft b\u1ecb truy\u1ec1n l\u01b0u l\u01b0\u1ee3ng ch\u00eanh l\u1ec7ch \u00e1p su\u1ea5t. Lo\u1ea1i m\u00e1y ph\u00e1t n\u00e0y ho\u1ea1t \u0111\u1ed9ng d\u1ef1a tr\u00ean nguy\u00ean t\u1eafc \u0111o \u0111\u1ed9 gi\u1ea3m \u00e1p su\u1ea5t qua m\u1ed9t \u0111i\u1ec3m h\u1ea1n ch\u1ebf trong \u0111\u01b0\u1eddng d\u1eabn d\u00f2ng ch\u1ea3y. Khi t\u1ed1c \u0111\u1ed9 d\u00f2ng ch\u1ea3y t\u0103ng l\u00ean, \u0111\u1ed9 gi\u1ea3m \u00e1p su\u1ea5t c\u0169ng t\u0103ng l\u00ean, cho ph\u00e9p m\u00e1y ph\u00e1t t\u00ednh to\u00e1n t\u1ed1c \u0111\u1ed9 d\u00f2ng ch\u1ea3y d\u1ef1a tr\u00ean s\u1ef1 ch\u00eanh l\u1ec7ch \u00e1p su\u1ea5t. Lo\u1ea1i m\u00e1y ph\u00e1t n\u00e0y \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong c\u00e1c ng\u00e0nh c\u00f4ng nghi\u1ec7p nh\u01b0 d\u1ea7u kh\u00ed, x\u1eed l\u00fd h\u00f3a ch\u1ea5t, x\u1eed l\u00fd n\u01b0\u1edbc.<\/p>\n<p><div style=\"width: 640px;\" class=\"wp-video\"><!--[if lt IE 9]><script>document.createElement('video');<\/script><![endif]-->\n<video class=\"wp-video-shortcode\" id=\"video-21419-1\" width=\"640\" height=\"360\" preload=\"metadata\" controls=\"controls\"><source type=\"video\/mp4\" src=\"http:\/\/shchimay.com\/wp-content\/uploads\/2023\/11\/EC-9500-\u7535\u5bfc\u7387\u4eea-IP65\u9632\u6c34-\u4e09\u8def\u7ee7\u7535%20u5668-\u4e2d\u82f1\u6587\u83dc\u5355.mp4?_=1\" \/><a href=\"http:\/\/shchimay.com\/wp-content\/uploads\/2023\/11\/EC-9500-\u7535\u5bfc\u7387\u4eea-IP65\u9632\u6c34-\u4e09\u8def\u7ee7\u7535%20u5668-\u4e2d\u82f1\u6587\u83dc\u5355.mp4\">http:\/\/shchimay.com\/wp-content\/uploads\/2023\/11\/EC-9500-\u7535\u5bfc\u7387\u4eea-IP65\u9632\u6c34-\u4e09\u8def\u7ee7\u7535%20u5668-\u4e2d\u82f1\u6587\u83dc\u5355.mp4<\/a><\/video><\/div>M\u1ed9t lo\u1ea1i m\u00e1y ph\u00e1t l\u01b0u l\u01b0\u1ee3ng kh\u00e1c l\u00e0 m\u00e1y ph\u00e1t l\u01b0u l\u01b0\u1ee3ng \u0111i\u1ec7n t\u1eeb. Lo\u1ea1i m\u00e1y ph\u00e1t n\u00e0y s\u1eed d\u1ee5ng \u0111\u1ecbnh lu\u1eadt c\u1ea3m \u1ee9ng \u0111i\u1ec7n t\u1eeb Faraday \u0111\u1ec3 \u0111o t\u1ed1c \u0111\u1ed9 d\u00f2ng ch\u1ea3y c\u1ee7a ch\u1ea5t l\u1ecfng d\u1eabn \u0111i\u1ec7n. Khi ch\u1ea5t l\u1ecfng ch\u1ea3y qua t\u1eeb tr\u01b0\u1eddng do m\u00e1y ph\u00e1t t\u1ea1o ra, m\u1ed9t \u0111i\u1ec7n \u00e1p \u0111\u01b0\u1ee3c t\u1ea1o ra trong ch\u1ea5t l\u1ecfng t\u1ef7 l\u1ec7 thu\u1eadn v\u1edbi t\u1ed1c \u0111\u1ed9 d\u00f2ng ch\u1ea3y. M\u00e1y truy\u1ec1n l\u01b0u l\u01b0\u1ee3ng \u0111i\u1ec7n t\u1eeb th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c ng\u00e0nh c\u00f4ng nghi\u1ec7p nh\u01b0 x\u1eed l\u00fd n\u01b0\u1edbc th\u1ea3i, th\u1ef1c ph\u1ea9m, \u0111\u1ed3 u\u1ed1ng v\u00e0 d\u01b0\u1ee3c ph\u1ea9m.<\/p>\n<p>M\u00e1y truy\u1ec1n l\u01b0u l\u01b0\u1ee3ng si\u00eau \u00e2m l\u00e0 m\u1ed9t l\u1ef1a ch\u1ecdn ph\u1ed5 bi\u1ebfn kh\u00e1c \u0111\u1ec3 \u0111o t\u1ed1c \u0111\u1ed9 d\u00f2ng ch\u1ea3y trong ch\u1ea5t l\u1ecfng. Nh\u1eefng m\u00e1y ph\u00e1t n\u00e0y s\u1eed d\u1ee5ng s\u00f3ng si\u00eau \u00e2m \u0111\u1ec3 \u0111o v\u1eadn t\u1ed1c c\u1ee7a ch\u1ea5t l\u1ecfng ch\u1ea3y qua \u0111\u01b0\u1eddng \u1ed1ng. B\u1eb1ng c\u00e1ch \u0111o th\u1eddi gian \u0111\u1ec3 s\u00f3ng si\u00eau \u00e2m truy\u1ec1n ng\u01b0\u1ee3c d\u00f2ng v\u00e0 xu\u00f4i d\u00f2ng, m\u00e1y ph\u00e1t c\u00f3 th\u1ec3 t\u00ednh to\u00e1n t\u1ed1c \u0111\u1ed9 d\u00f2ng ch\u1ea3y c\u1ee7a ch\u1ea5t l\u1ecfng. M\u00e1y ph\u00e1t l\u01b0u l\u01b0\u1ee3ng si\u00eau \u00e2m th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c ng\u00e0nh c\u00f4ng nghi\u1ec7p nh\u01b0 HVAC, s\u1ea3n xu\u1ea5t \u0111i\u1ec7n v\u00e0 ph\u00e2n ph\u1ed1i n\u01b0\u1edbc.<\/p>\n<p>M\u00e1y ph\u00e1t l\u01b0u l\u01b0\u1ee3ng nhi\u1ec7t l\u00e0 m\u1ed9t lo\u1ea1i m\u00e1y ph\u00e1t l\u01b0u l\u01b0\u1ee3ng kh\u00e1c d\u00f9ng \u0111\u1ec3 \u0111o t\u1ed1c \u0111\u1ed9 d\u00f2ng kh\u00ed. Nh\u1eefng m\u00e1y ph\u00e1t n\u00e0y ho\u1ea1t \u0111\u1ed9ng b\u1eb1ng c\u00e1ch \u0111o s\u1ef1 truy\u1ec1n nhi\u1ec7t gi\u1eefa c\u1ea3m bi\u1ebfn \u0111\u01b0\u1ee3c l\u00e0m n\u00f3ng v\u00e0 d\u00f2ng kh\u00ed \u0111ang ch\u1ea3y. Khi kh\u00ed \u0111i qua c\u1ea3m bi\u1ebfn, n\u00f3 s\u1ebd mang theo nhi\u1ec7t, sau \u0111\u00f3 nhi\u1ec7t n\u00e0y \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 t\u00ednh t\u1ed1c \u0111\u1ed9 d\u00f2ng ch\u1ea3y. M\u00e1y truy\u1ec1n l\u01b0u l\u01b0\u1ee3ng nhi\u1ec7t th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c ng\u00e0nh c\u00f4ng nghi\u1ec7p nh\u01b0 ph\u00e2n ph\u1ed1i kh\u00ed t\u1ef1 nhi\u00ean, \u0111i\u1ec1u h\u00f2a kh\u00f4ng kh\u00ed v\u00e0 c\u00e1c qu\u00e1 tr\u00ecnh \u0111\u1ed1t ch\u00e1y.<\/p>\n<p>Ngo\u00e0i c\u00e1c lo\u1ea1i m\u00e1y ph\u00e1t l\u01b0u l\u01b0\u1ee3ng n\u00e0y, c\u00f2n c\u00f3 c\u00e1c m\u00e1y ph\u00e1t l\u01b0u l\u01b0\u1ee3ng kh\u1ed1i d\u00f9ng \u0111\u1ec3 \u0111o t\u1ed1c \u0111\u1ed9 d\u00f2ng kh\u1ed1i c\u1ee7a ch\u1ea5t l\u1ecfng v\u00e0 kh\u00ed. Nh\u1eefng m\u00e1y ph\u00e1t n\u00e0y \u0111\u1eb7c bi\u1ec7t h\u1eefu \u00edch trong c\u00e1c \u1ee9ng d\u1ee5ng m\u00e0 m\u1eadt \u0111\u1ed9 c\u1ee7a ch\u1ea5t l\u1ecfng c\u00f3 th\u1ec3 thay \u0111\u1ed5i v\u00ec ch\u00fang cung c\u1ea5p ph\u00e9p \u0111o ch\u00ednh x\u00e1c h\u01a1n v\u1ec1 t\u1ed1c \u0111\u1ed9 d\u00f2ng kh\u1ed1i th\u1ef1c t\u1ebf. B\u1ed9 truy\u1ec1n l\u01b0u l\u01b0\u1ee3ng l\u1edbn \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c ng\u00e0nh c\u00f4ng nghi\u1ec7p nh\u01b0 ch\u1ebf bi\u1ebfn h\u00f3a ch\u1ea5t, d\u01b0\u1ee3c ph\u1ea9m, th\u1ef1c ph\u1ea9m v\u00e0 \u0111\u1ed3 u\u1ed1ng.<\/p>\n<p>Nh\u00ecn chung, b\u1ed9 truy\u1ec1n l\u01b0u l\u01b0\u1ee3ng \u0111\u00f3ng vai tr\u00f2 quan tr\u1ecdng trong vi\u1ec7c \u0111\u1ea3m b\u1ea3o hi\u1ec7u qu\u1ea3 v\u00e0 \u0111\u1ed9 ch\u00ednh x\u00e1c c\u1ee7a c\u00e1c quy tr\u00ecnh d\u1ef1a v\u00e0o vi\u1ec7c ki\u1ec3m so\u00e1t ch\u00ednh x\u00e1c t\u1ed1c \u0111\u1ed9 d\u00f2ng ch\u1ea3y. B\u1eb1ng c\u00e1ch hi\u1ec3u r\u00f5 c\u00e1c lo\u1ea1i thi\u1ebft b\u1ecb truy\u1ec1n l\u01b0u l\u01b0\u1ee3ng kh\u00e1c nhau v\u00e0 \u1ee9ng d\u1ee5ng c\u1ee7a ch\u00fang trong c\u00e1c ng\u00e0nh kh\u00e1c nhau, c\u00e1c k\u1ef9 s\u01b0 v\u00e0 k\u1ef9 thu\u1eadt vi\u00ean c\u00f3 th\u1ec3 ch\u1ecdn thi\u1ebft b\u1ecb truy\u1ec1n ph\u00e1t ph\u00f9 h\u1ee3p cho nhu c\u1ea7u c\u1ee5 th\u1ec3 c\u1ee7a m\u00ecnh. Cho d\u00f9 \u0111\u00f3 l\u00e0 \u0111o t\u1ed1c \u0111\u1ed9 d\u00f2ng ch\u1ea3y c\u1ee7a ch\u1ea5t l\u1ecfng hay kh\u00ed, lu\u00f4n c\u00f3 s\u1eb5n m\u1ed9t b\u1ed9 truy\u1ec1n l\u01b0u l\u01b0\u1ee3ng \u0111\u1ec3 \u0111\u00e1p \u1ee9ng y\u00eau c\u1ea7u c\u1ee7a b\u1ea5t k\u1ef3 \u1ee9ng d\u1ee5ng n\u00e0o.<\/p>\n<figure class=\"wp-block-table\">\n<table>\n<tbody>\n<tr>\n<td>M\u00f4 h\u00ecnh<\/td>\n<td>B\u1ed9 \u0111i\u1ec1u khi\u1ec3n Oline d\u1eabn \u0111i\u1ec7n\/n\u1ed3ng \u0111\u1ed9 c\u1ea3m \u1ee9ng CIT-8800<\/td>\n<\/tr>\n<tr>\n<td>T\u1eadp trung<\/td>\n<td>1.NaOH:(0~15) ph\u1ea7n tr\u0103m ho\u1eb7c (25~50) ph\u1ea7n tr\u0103m ; 2.HNO<sub>3<\/sub>:(0~25) ph\u1ea7n tr\u0103m ho\u1eb7c (36~82) ph\u1ea7n tr\u0103m ; 3. \u0110\u01b0\u1eddng cong n\u1ed3ng \u0111\u1ed9 do ng\u01b0\u1eddi d\u00f9ng x\u00e1c \u0111\u1ecbnh<\/td>\n<\/tr>\n<tr>\n<td>\u0110\u1ed9 d\u1eabn \u0111i\u1ec7n<\/td>\n<td>(500~2.000.000)uS\/cm<\/td>\n<\/tr>\n<tr>\n<td>TDS<\/td>\n<td>(250~1.000.000)ppm<\/td>\n<\/tr>\n<tr>\n<td>Nhi\u1ec7t \u0111\u1ed9.<\/td>\n<td>(0~120)\u00b0C<\/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; N\u1ed3ng \u0111\u1ed9: 0,01% ; TDS:0,01ppm, Nhi\u1ec7t \u0111\u1ed9: 0,1\u2103<\/td>\n<\/tr>\n<tr>\n<td rowspan=\"2\">\u0110\u1ed9 ch\u00ednh x\u00e1c<\/td>\n<td>\u0110\u1ed9 d\u1eabn \u0111i\u1ec7n: (500~1000)uS\/cm +\/-10uS\/cm; (1~2000)mS\/cm+\/-1,0 ph\u1ea7n tr\u0103m <\/td>\n<\/tr>\n<tr>\n<td>TDS: c\u1ea5p 1,5, 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>Ph\u1ea1m vi: (0~120)\u00b0C; ph\u1ea7n t\u1eed: Pt1000<\/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>Hai k\u00eanh c\u00e1ch ly\/c\u00f3 th\u1ec3 v\u1eadn chuy\u1ec3n (4-20)mA, Thi\u1ebft b\u1ecb \/ 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 quang \u0111i\u1ec7n b\u00e1n d\u1eabn ba k\u00eanh, C\u00f4ng t\u1eafc l\u1eadp tr\u00ecnh, xung v\u00e0 t\u1ea7n s\u1ed1<\/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>DC 24V+15% <\/td>\n<\/tr>\n<tr>\n<td>M\u1ee9c \u0111\u1ed9 b\u1ea3o v\u1ec7<\/td>\n<td>IP65 (c\u00f3 n\u1eafp sau)<\/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","protected":false},"excerpt":{"rendered":"<p>Nguy\u00ean t\u1eafc ho\u1ea1t \u0111\u1ed9ng c\u1ee7a b\u1ed9 truy\u1ec1n l\u01b0u l\u01b0\u1ee3ng B\u1ed9 truy\u1ec1n l\u01b0u l\u01b0\u1ee3ng l\u00e0 thi\u1ebft b\u1ecb thi\u1ebft y\u1ebfu \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c ng\u00e0nh c\u00f4ng nghi\u1ec7p kh\u00e1c nhau \u0111\u1ec3 \u0111o t\u1ed1c \u0111\u1ed9 d\u00f2ng ch\u1ea5t l\u1ecfng ho\u1eb7c kh\u00ed trong h\u1ec7 th\u1ed1ng. C\u00e1c thi\u1ebft b\u1ecb n\u00e0y \u0111\u00f3ng m\u1ed9t vai tr\u00f2 quan tr\u1ecdng trong vi\u1ec7c \u0111\u1ea3m b\u1ea3o hi\u1ec7u&#8230;<\/p>\n","protected":false},"author":1,"featured_media":3191,"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":[134429,134481],"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\/21419"}],"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=21419"}],"version-history":[{"count":17,"href":"https:\/\/shchimay.com\/vi\/wp-json\/wp\/v2\/posts\/21419\/revisions"}],"predecessor-version":[{"id":21764,"href":"https:\/\/shchimay.com\/vi\/wp-json\/wp\/v2\/posts\/21419\/revisions\/21764"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/shchimay.com\/vi\/wp-json\/wp\/v2\/media\/3191"}],"wp:attachment":[{"href":"https:\/\/shchimay.com\/vi\/wp-json\/wp\/v2\/media?parent=21419"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/shchimay.com\/vi\/wp-json\/wp\/v2\/categories?post=21419"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/shchimay.com\/vi\/wp-json\/wp\/v2\/tags?post=21419"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}