{"id":21949,"date":"2024-08-24T14:42:52","date_gmt":"2024-08-24T06:42:52","guid":{"rendered":"https:\/\/shchimay.com\/?p=21949"},"modified":"2024-08-25T12:46:29","modified_gmt":"2024-08-25T04:46:29","slug":"water-flow-transmitter-4-20ma","status":"publish","type":"post","link":"https:\/\/shchimay.com\/vi\/water-flow-transmitter-4-20ma\/","title":{"rendered":"m\u00e1y ph\u00e1t l\u01b0u l\u01b0\u1ee3ng n\u01b0\u1edbc 4-20ma"},"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\/water-flow-transmitter-4-20ma\/#Loi_ich_cua_viec_su_dung_bo_truyen_luu_luong_nuoc_4-20mA_trong_cac_ung_dung_cong_nghiep\" title=\"L\u1ee3i \u00edch c\u1ee7a vi\u1ec7c s\u1eed d\u1ee5ng b\u1ed9 truy\u1ec1n l\u01b0u l\u01b0\u1ee3ng n\u01b0\u1edbc 4-20mA trong c\u00e1c \u1ee9ng d\u1ee5ng c\u00f4ng nghi\u1ec7p\">L\u1ee3i \u00edch c\u1ee7a vi\u1ec7c s\u1eed d\u1ee5ng b\u1ed9 truy\u1ec1n l\u01b0u l\u01b0\u1ee3ng n\u01b0\u1edbc 4-20mA trong c\u00e1c \u1ee9ng d\u1ee5ng c\u00f4ng nghi\u1ec7p<\/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\/water-flow-transmitter-4-20ma\/#Cach_chon_bo_truyen_luu_luong_nuoc_4-20mA_phu_hop_cho_nhu_cau_cu_the_cua_ban\" title=\"C\u00e1ch ch\u1ecdn b\u1ed9 truy\u1ec1n l\u01b0u l\u01b0\u1ee3ng n\u01b0\u1edbc 4-20mA ph\u00f9 h\u1ee3p cho nhu c\u1ea7u c\u1ee5 th\u1ec3 c\u1ee7a b\u1ea1n\">C\u00e1ch ch\u1ecdn b\u1ed9 truy\u1ec1n l\u01b0u l\u01b0\u1ee3ng n\u01b0\u1edbc 4-20mA ph\u00f9 h\u1ee3p cho nhu c\u1ea7u c\u1ee5 th\u1ec3 c\u1ee7a b\u1ea1n<\/a><\/li><\/ul><\/nav><\/div>\n<h1 id=\"benefits-of-using-a-water-flow-transmitter-4-20ma-in-industrial-applications-wpaicgheading\"><span class=\"ez-toc-section\" id=\"Loi_ich_cua_viec_su_dung_bo_truyen_luu_luong_nuoc_4-20mA_trong_cac_ung_dung_cong_nghiep\"><\/span>L\u1ee3i \u00edch c\u1ee7a vi\u1ec7c s\u1eed d\u1ee5ng b\u1ed9 truy\u1ec1n l\u01b0u l\u01b0\u1ee3ng n\u01b0\u1edbc 4-20mA trong c\u00e1c \u1ee9ng d\u1ee5ng c\u00f4ng nghi\u1ec7p<span class=\"ez-toc-section-end\"><\/span><\/h1>\n<p>\nB\u1ed9 truy\u1ec1n l\u01b0u l\u01b0\u1ee3ng n\u01b0\u1edbc l\u00e0 thi\u1ebft b\u1ecb thi\u1ebft y\u1ebfu \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c \u1ee9ng d\u1ee5ng c\u00f4ng nghi\u1ec7p \u0111\u1ec3 \u0111o v\u00e0 gi\u00e1m s\u00e1t l\u01b0u l\u01b0\u1ee3ng n\u01b0\u1edbc trong c\u00e1c quy tr\u00ecnh kh\u00e1c nhau. M\u1ed9t trong nh\u1eefng lo\u1ea1i m\u00e1y ph\u00e1t l\u01b0u l\u01b0\u1ee3ng n\u01b0\u1edbc ph\u1ed5 bi\u1ebfn nh\u1ea5t l\u00e0 m\u00e1y ph\u00e1t 4-20mA, cung c\u1ea5p ph\u01b0\u01a1ng ph\u00e1p \u0111\u00e1ng tin c\u1eady v\u00e0 ch\u00ednh x\u00e1c \u0111\u1ec3 truy\u1ec1n d\u1eef li\u1ec7u d\u00f2ng ch\u1ea3y \u0111\u1ebfn h\u1ec7 th\u1ed1ng \u0111i\u1ec1u khi\u1ec3n. Trong b\u00e0i vi\u1ebft n\u00e0y, ch\u00fang ta s\u1ebd kh\u00e1m ph\u00e1 nh\u1eefng l\u1ee3i \u00edch c\u1ee7a vi\u1ec7c s\u1eed d\u1ee5ng b\u1ed9 truy\u1ec1n l\u01b0u l\u01b0\u1ee3ng n\u01b0\u1edbc 4-20mA trong c\u00e1c \u1ee9ng d\u1ee5ng c\u00f4ng nghi\u1ec7p.<\/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-21949-1\" width=\"640\" height=\"360\" preload=\"metadata\" controls=\"controls\"><source type=\"video\/mp4\" src=\"http:\/\/shchimay.com\/wp-content\/uploads\/2023\/11\/EC-9900-\u5927\u5c4f\u5e55-\u9ad8\u7cbe\u5ea6\u7535\u5bfc\u7387\u4eea.mp4?_=1\" \/><a href=\"http:\/\/shchimay.com\/wp-content\/uploads\/2023\/11\/EC-9900-\u5927\u5c4f\u5e55-\u9ad8\u7cbe\u5ea6\u7535\u5bfc\u7387\u4eea.mp4\">http:\/\/shchimay.com\/wp-content\/uploads\/2023\/11\/EC-9900-\u5927\u5c4f\u5e55-\u9ad8\u7cbe\u5ea6\u7535\u5bfc\u7387\u4eea.mp4<\/a><\/video><\/div>M\u1ed9t trong nh\u1eefng \u01b0u \u0111i\u1ec3m ch\u00ednh c\u1ee7a vi\u1ec7c s\u1eed d\u1ee5ng b\u1ed9 truy\u1ec1n l\u01b0u l\u01b0\u1ee3ng n\u01b0\u1edbc 4-20mA l\u00e0 kh\u1ea3 n\u0103ng cung c\u1ea5p t\u00edn hi\u1ec7u \u0111\u1ea7u ra tuy\u1ebfn t\u00ednh v\u00e0 li\u00ean t\u1ee5c. \u0110i\u1ec1u n\u00e0y c\u00f3 ngh\u0129a l\u00e0 m\u00e1y ph\u00e1t c\u00f3 th\u1ec3 \u0111o ch\u00ednh x\u00e1c t\u1ed1c \u0111\u1ed9 d\u00f2ng n\u01b0\u1edbc v\u00e0 truy\u1ec1n d\u1eef li\u1ec7u n\u00e0y \u1edf \u0111\u1ecbnh d\u1ea1ng chu\u1ea9n h\u00f3a m\u00e0 h\u1ec7 th\u1ed1ng \u0111i\u1ec1u khi\u1ec3n c\u00f3 th\u1ec3 d\u1ec5 d\u00e0ng gi\u1ea3i th\u00edch. T\u00edn hi\u1ec7u 4-20mA c\u0169ng mi\u1ec5n nhi\u1ec5m v\u1edbi nhi\u1ec5u v\u00e0 nhi\u1ec5u \u0111i\u1ec7n, khi\u1ebfn n\u00f3 tr\u1edf th\u00e0nh m\u1ed9t l\u1ef1a ch\u1ecdn \u0111\u00e1ng tin c\u1eady v\u00e0 \u1ed5n \u0111\u1ecbnh cho c\u00e1c \u1ee9ng d\u1ee5ng c\u00f4ng nghi\u1ec7p.<\/p>\n<p>M\u1ed9t l\u1ee3i \u00edch kh\u00e1c c\u1ee7a vi\u1ec7c s\u1eed d\u1ee5ng b\u1ed9 truy\u1ec1n l\u01b0u l\u01b0\u1ee3ng n\u01b0\u1edbc 4-20mA l\u00e0 m\u1ee9c \u0111\u1ed9 ch\u00ednh x\u00e1c cao. Nh\u1eefng m\u00e1y ph\u00e1t n\u00e0y \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 cung c\u1ea5p c\u00e1c ph\u00e9p \u0111o ch\u00ednh x\u00e1c v\u1ec1 l\u01b0u l\u01b0\u1ee3ng n\u01b0\u1edbc, \u0111\u1ea3m b\u1ea3o r\u1eb1ng h\u1ec7 th\u1ed1ng \u0111i\u1ec1u khi\u1ec3n c\u00f3 th\u1ec3 \u0111\u01b0a ra quy\u1ebft \u0111\u1ecbnh s\u00e1ng su\u1ed1t d\u1ef1a tr\u00ean d\u1eef li\u1ec7u th\u1eddi gian th\u1ef1c. M\u1ee9c \u0111\u1ed9 ch\u00ednh x\u00e1c n\u00e0y r\u1ea5t quan tr\u1ecdng trong c\u00e1c quy tr\u00ecnh c\u00f4ng nghi\u1ec7p, n\u01a1i ngay c\u1ea3 nh\u1eefng thay \u0111\u1ed5i nh\u1ecf v\u1ec1 t\u1ed1c \u0111\u1ed9 d\u00f2ng ch\u1ea3y c\u0169ng c\u00f3 th\u1ec3 t\u00e1c \u0111\u1ed9ng \u0111\u00e1ng k\u1ec3 \u0111\u1ebfn hi\u1ec7u qu\u1ea3 v\u00e0 ch\u1ea5t l\u01b0\u1ee3ng s\u1ea3n xu\u1ea5t.<\/p>\n<p>Ngo\u00e0i \u0111\u1ed9 ch\u00ednh x\u00e1c, b\u1ed9 truy\u1ec1n l\u01b0u l\u01b0\u1ee3ng n\u01b0\u1edbc 4-20mA c\u00f2n n\u1ed5i ti\u1ebfng v\u1ec1 \u0111\u1ed9 tin c\u1eady v\u00e0 \u0111\u1ed9 b\u1ec1n. C\u00e1c thi\u1ebft b\u1ecb n\u00e0y \u0111\u01b0\u1ee3c ch\u1ebf t\u1ea1o \u0111\u1ec3 ch\u1ecbu \u0111\u01b0\u1ee3c m\u00f4i tr\u01b0\u1eddng c\u00f4ng nghi\u1ec7p kh\u1eafc nghi\u1ec7t, bao g\u1ed3m nhi\u1ec7t \u0111\u1ed9 kh\u1eafc nghi\u1ec7t, \u00e1p su\u1ea5t cao v\u00e0 c\u00e1c ch\u1ea5t \u0103n m\u00f2n. \u0110i\u1ec1u n\u00e0y c\u00f3 ngh\u0129a l\u00e0 ch\u00fang c\u00f3 th\u1ec3 ti\u1ebfp t\u1ee5c ho\u1ea1t \u0111\u1ed9ng hi\u1ec7u qu\u1ea3 ngay c\u1ea3 trong nh\u1eefng \u0111i\u1ec1u ki\u1ec7n kh\u00f3 kh\u0103n, \u0111\u1ea3m b\u1ea3o lu\u00f4n c\u00f3 s\u1eb5n d\u1eef li\u1ec7u d\u00f2ng ch\u1ea3y khi c\u1ea7n.<\/p>\n<p>H\u01a1n n\u1eefa, b\u1ed9 truy\u1ec1n l\u01b0u l\u01b0\u1ee3ng n\u01b0\u1edbc 4-20mA r\u1ea5t d\u1ec5 l\u1eafp \u0111\u1eb7t v\u00e0 b\u1ea3o tr\u00ec, khi\u1ebfn ch\u00fang tr\u1edf th\u00e0nh m\u1ed9t l\u1ef1a ch\u1ecdn ti\u1ebft ki\u1ec7m chi ph\u00ed cho c\u00e1c \u1ee9ng d\u1ee5ng c\u00f4ng nghi\u1ec7p \u1ee9ng d\u1ee5ng. C\u00e1c thi\u1ebft b\u1ecb n\u00e0y c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c t\u00edch h\u1ee3p nhanh ch\u00f3ng v\u00e0o c\u00e1c h\u1ec7 th\u1ed1ng hi\u1ec7n c\u00f3, gi\u1ea3m thi\u1ec3u th\u1eddi gian ng\u1eebng ho\u1ea1t \u0111\u1ed9ng v\u00e0 gi\u00e1n \u0111o\u1ea1n quy tr\u00ecnh s\u1ea3n xu\u1ea5t. Ngo\u00e0i ra, y\u00eau c\u1ea7u b\u1ea3o tr\u00ec th\u1ea5p gi\u00fap gi\u1ea3m chi ph\u00ed v\u1eadn h\u00e0nh t\u1ed5ng th\u1ec3, khi\u1ebfn ch\u00fang tr\u1edf th\u00e0nh l\u1ef1a ch\u1ecdn thi\u1ebft th\u1ef1c cho c\u00e1c doanh nghi\u1ec7p mu\u1ed1n t\u1ed1i \u01b0u h\u00f3a ho\u1ea1t \u0111\u1ed9ng c\u1ee7a m\u00ecnh.<\/p>\n<p>M\u1ed9t trong nh\u1eefng \u01b0u \u0111i\u1ec3m ch\u00ednh c\u1ee7a vi\u1ec7c s\u1eed d\u1ee5ng b\u1ed9 truy\u1ec1n l\u01b0u l\u01b0\u1ee3ng n\u01b0\u1edbc 4-20mA l\u00e0 kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch v\u1edbi nhi\u1ec1u lo\u1ea1i thi\u1ebft b\u1ecb h\u1ec7 th\u1ed1ng \u0111i\u1ec1u khi\u1ec3n v\u00e0 c\u00e1c giao th\u1ee9c truy\u1ec1n th\u00f4ng. \u0110i\u1ec1u n\u00e0y c\u00f3 ngh\u0129a l\u00e0 c\u00e1c m\u00e1y ph\u00e1t n\u00e0y c\u00f3 th\u1ec3 d\u1ec5 d\u00e0ng \u0111\u01b0\u1ee3c t\u00edch h\u1ee3p v\u00e0o c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng hi\u1ec7n c\u00f3, cho ph\u00e9p c\u00e1c doanh nghi\u1ec7p t\u1eadn d\u1ee5ng c\u00e1c kho\u1ea3n \u0111\u1ea7u t\u01b0 hi\u1ec7n c\u00f3 c\u1ee7a h\u1ecd v\u00e0o c\u00f4ng ngh\u1ec7 \u0111i\u1ec1u khi\u1ec3n v\u00e0 t\u1ef1 \u0111\u1ed9ng h\u00f3a. Kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch n\u00e0y c\u0169ng gi\u00fap vi\u1ec7c n\u00e2ng c\u1ea5p ho\u1eb7c m\u1edf r\u1ed9ng h\u1ec7 th\u1ed1ng trong t\u01b0\u01a1ng lai tr\u1edf n\u00ean d\u1ec5 d\u00e0ng h\u01a1n, \u0111\u1ea3m b\u1ea3o doanh nghi\u1ec7p c\u00f3 th\u1ec3 th\u00edch \u1ee9ng v\u1edbi nh\u1eefng y\u00eau c\u1ea7u v\u00e0 c\u00f4ng ngh\u1ec7 lu\u00f4n thay \u0111\u1ed5i.<\/p>\n<p><img decoding=\"async\" src=\"http:\/\/shchimay.com\/wp-content\/uploads\/2023\/11\/CLA-7000-2.png\" alt=\"alt-9411\" class=\"wp-image-9411\" id=\"i9411\" \/><\/p>\n<p>\nNh\u00ecn chung, l\u1ee3i \u00edch c\u1ee7a vi\u1ec7c s\u1eed d\u1ee5ng b\u1ed9 truy\u1ec1n l\u01b0u l\u01b0\u1ee3ng n\u01b0\u1edbc 4-20mA trong c\u00e1c \u1ee9ng d\u1ee5ng c\u00f4ng nghi\u1ec7p l\u00e0 r\u1ea5t r\u00f5 r\u00e0ng. T\u1eeb \u0111\u1ed9 ch\u00ednh x\u00e1c v\u00e0 \u0111\u1ed9 tin c\u1eady \u0111\u1ebfn t\u00ednh d\u1ec5 c\u00e0i \u0111\u1eb7t v\u00e0 kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch v\u1edbi c\u00e1c h\u1ec7 th\u1ed1ng hi\u1ec7n c\u00f3, lo\u1ea1i m\u00e1y ph\u00e1t n\u00e0y mang l\u1ea1i nhi\u1ec1u l\u1ee3i th\u1ebf c\u00f3 th\u1ec3 gi\u00fap doanh nghi\u1ec7p c\u1ea3i thi\u1ec7n ho\u1ea1t \u0111\u1ed9ng v\u00e0 t\u1ed1i \u0111a h\u00f3a hi\u1ec7u qu\u1ea3. B\u1eb1ng c\u00e1ch \u0111\u1ea7u t\u01b0 v\u00e0o b\u1ed9 truy\u1ec1n l\u01b0u l\u01b0\u1ee3ng n\u01b0\u1edbc 4-20mA, c\u00e1c doanh nghi\u1ec7p c\u00f3 th\u1ec3 \u0111\u1ea3m b\u1ea3o r\u1eb1ng h\u1ecd c\u00f3 quy\u1ec1n truy c\u1eadp v\u00e0o d\u1eef li\u1ec7u l\u01b0u l\u01b0\u1ee3ng ch\u00ednh x\u00e1c v\u00e0 \u0111\u00e1ng tin c\u1eady \u0111\u1ec3 c\u00f3 th\u1ec3 \u0111\u01b0a ra quy\u1ebft \u0111\u1ecbnh s\u00e1ng su\u1ed1t v\u00e0 t\u1ed1i \u01b0u h\u00f3a quy tr\u00ecnh c\u1ee7a m\u00ecnh.<\/p>\n<h1 id=\"how-to-choose-the-right-water-flow-transmitter-4-20ma-for-your-specific-needs-wpaicgheading\"><span class=\"ez-toc-section\" id=\"Cach_chon_bo_truyen_luu_luong_nuoc_4-20mA_phu_hop_cho_nhu_cau_cu_the_cua_ban\"><\/span>C\u00e1ch ch\u1ecdn b\u1ed9 truy\u1ec1n l\u01b0u l\u01b0\u1ee3ng n\u01b0\u1edbc 4-20mA ph\u00f9 h\u1ee3p cho nhu c\u1ea7u c\u1ee5 th\u1ec3 c\u1ee7a b\u1ea1n<span class=\"ez-toc-section-end\"><\/span><\/h1>\n<p>\nB\u1ed9 truy\u1ec1n l\u01b0u l\u01b0\u1ee3ng n\u01b0\u1edbc 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 n\u01b0\u1edbc trong h\u1ec7 th\u1ed1ng. Nh\u1eefng m\u00e1y ph\u00e1t n\u00e0y cung c\u1ea5p d\u1eef li\u1ec7u ch\u00ednh x\u00e1c v\u00e0 \u0111\u00e1ng tin c\u1eady c\u00f3 th\u1ec3 gi\u00fap theo d\u00f5i v\u00e0 ki\u1ec3m so\u00e1t d\u00f2ng n\u01b0\u1edbc trong m\u1ed9t quy tr\u00ecnh. M\u1ed9t lo\u1ea1i m\u00e1y ph\u00e1t l\u01b0u l\u01b0\u1ee3ng n\u01b0\u1edbc ph\u1ed5 bi\u1ebfn l\u00e0 m\u00e1y ph\u00e1t 4-20mA, \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i do kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch v\u1edbi h\u1ea7u h\u1ebft c\u00e1c h\u1ec7 th\u1ed1ng \u0111i\u1ec1u khi\u1ec3n.<\/p>\n<p>Khi ch\u1ecdn m\u00e1y ph\u00e1t l\u01b0u l\u01b0\u1ee3ng n\u01b0\u1edbc 4-20mA cho nhu c\u1ea7u c\u1ee5 th\u1ec3 c\u1ee7a b\u1ea1n, c\u00f3 m\u1ed9t s\u1ed1 y\u1ebfu t\u1ed1 c\u1ea7n xem x\u00e9t \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o r\u1eb1ng b\u1ea1n ch\u1ecdn \u0111\u00fang thi\u1ebft b\u1ecb cho \u1ee9ng d\u1ee5ng c\u1ee7a m\u00ecnh. M\u1ed9t trong nh\u1eefng y\u1ebfu t\u1ed1 quan tr\u1ecdng nh\u1ea5t c\u1ea7n xem x\u00e9t l\u00e0 ph\u1ea1m vi l\u01b0u l\u01b0\u1ee3ng c\u1ee7a m\u00e1y ph\u00e1t. \u0110i\u1ec1u quan tr\u1ecdng l\u00e0 ch\u1ecdn m\u1ed9t m\u00e1y ph\u00e1t c\u00f3 th\u1ec3 \u0111o ch\u00ednh x\u00e1c t\u1ed1c \u0111\u1ed9 d\u00f2ng ch\u1ea3y trong ph\u1ea1m vi d\u1ef1 ki\u1ebfn \u200b\u200bc\u1ee7a h\u1ec7 th\u1ed1ng c\u1ee7a b\u1ea1n. Vi\u1ec7c ch\u1ecdn b\u1ed9 ph\u00e1t c\u00f3 ph\u1ea1m vi r\u1ed9ng h\u01a1n m\u1ee9c c\u1ea7n thi\u1ebft c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn k\u1ebft qu\u1ea3 \u0111\u1ecdc kh\u00f4ng ch\u00ednh x\u00e1c, trong khi vi\u1ec7c ch\u1ecdn b\u1ed9 ph\u00e1t c\u00f3 ph\u1ea1m vi h\u1eb9p h\u01a1n c\u00f3 th\u1ec3 h\u1ea1n ch\u1ebf t\u00ednh linh ho\u1ea1t c\u1ee7a h\u1ec7 th\u1ed1ng c\u1ee7a b\u1ea1n.<\/p>\n<p>M\u1ed9t y\u1ebfu t\u1ed1 quan tr\u1ecdng kh\u00e1c c\u1ea7n xem x\u00e9t l\u00e0 \u0111\u1ed9 ch\u00ednh x\u00e1c c\u1ee7a b\u1ed9 ph\u00e1t. \u0110\u1ed9 ch\u00ednh x\u00e1c c\u1ee7a b\u1ed9 truy\u1ec1n l\u01b0u l\u01b0\u1ee3ng n\u01b0\u1edbc th\u01b0\u1eddng \u0111\u01b0\u1ee3c bi\u1ec3u th\u1ecb b\u1eb1ng ph\u1ea7n tr\u0103m c\u1ee7a t\u1ed1c \u0111\u1ed9 d\u00f2ng ch\u1ea3y to\u00e0n thang \u0111o. \u0110i\u1ec1u c\u1ea7n thi\u1ebft l\u00e0 ch\u1ecdn m\u1ed9t m\u00e1y ph\u00e1t c\u00f3 \u0111\u1ed9 ch\u00ednh x\u00e1c cao \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o r\u1eb1ng b\u1ea1n nh\u1eadn \u0111\u01b0\u1ee3c d\u1eef li\u1ec7u \u0111\u00e1ng tin c\u1eady cho h\u1ec7 th\u1ed1ng c\u1ee7a m\u00ecnh. B\u1ed9 truy\u1ec1n ph\u00e1t c\u00f3 m\u1ee9c \u0111\u1ed9 ch\u00ednh x\u00e1c cao h\u01a1n c\u00f3 th\u1ec3 c\u00f3 chi ph\u00ed cao h\u01a1n nh\u01b0ng \u0111\u00e1ng \u0111\u1ec3 \u0111\u1ea7u t\u01b0 \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o hi\u1ec7u su\u1ea5t v\u00e0 hi\u1ec7u su\u1ea5t c\u1ee7a h\u1ec7 th\u1ed1ng.<\/p>\n<p>Ngo\u00e0i \u0111\u1ed9 ch\u00ednh x\u00e1c, \u0111i\u1ec1u quan tr\u1ecdng l\u00e0 ph\u1ea3i xem x\u00e9t kh\u1ea3 n\u0103ng l\u1eb7p l\u1ea1i c\u1ee7a b\u1ed9 truy\u1ec1n l\u01b0u l\u01b0\u1ee3ng n\u01b0\u1edbc . \u0110\u1ed9 l\u1eb7p l\u1ea1i \u0111\u1ec1 c\u1eadp \u0111\u1ebfn kh\u1ea3 n\u0103ng c\u1ee7a m\u00e1y ph\u00e1t cung c\u1ea5p c\u00e1c ph\u00e9p \u0111o nh\u1ea5t qu\u00e1n v\u00e0 l\u1eb7p l\u1ea1i theo th\u1eddi gian. M\u1ed9t b\u1ed9 ph\u00e1t c\u00f3 kh\u1ea3 n\u0103ng l\u1eb7p l\u1ea1i t\u1ed1t s\u1ebd \u0111\u1ea3m b\u1ea3o r\u1eb1ng b\u1ea1n c\u00f3 th\u1ec3 tin c\u1eady v\u00e0o d\u1eef li\u1ec7u m\u00e0 n\u00f3 cung c\u1ea5p cho h\u1ec7 th\u1ed1ng c\u1ee7a m\u00ecnh. N\u00ean ch\u1ecdn m\u00e1y ph\u00e1t c\u00f3 \u0111\u1ed9 l\u1eb7p l\u1ea1i cao \u0111\u1ec3 gi\u1ea3m thi\u1ec3u sai s\u00f3t v\u00e0 \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 tin c\u1eady cho h\u1ec7 th\u1ed1ng c\u1ee7a b\u1ea1n.<\/p>\n<p>H\u01a1n n\u1eefa, \u0111i\u1ec1u c\u1ea7n thi\u1ebft l\u00e0 ph\u1ea3i xem x\u00e9t c\u00e1c y\u00eau c\u1ea7u l\u1eafp \u0111\u1eb7t c\u1ee7a m\u00e1y ph\u00e1t l\u01b0u l\u01b0\u1ee3ng n\u01b0\u1edbc. M\u1ed9t s\u1ed1 m\u00e1y ph\u00e1t c\u00f3 th\u1ec3 y\u00eau c\u1ea7u c\u1ea5u h\u00ecnh l\u1eafp \u0111\u1eb7t c\u1ee5 th\u1ec3 ho\u1eb7c c\u00e1c ph\u1ee5 ki\u1ec7n b\u1ed5 sung \u0111\u1ec3 l\u1eafp \u0111\u1eb7t \u0111\u00fang c\u00e1ch. \u0110i\u1ec1u quan tr\u1ecdng l\u00e0 ph\u1ea3i \u0111\u1ea3m b\u1ea3o r\u1eb1ng b\u1ed9 ph\u00e1t b\u1ea1n ch\u1ecdn t\u01b0\u01a1ng th\u00edch v\u1edbi h\u1ec7 th\u1ed1ng c\u1ee7a b\u1ea1n v\u00e0 c\u00f3 th\u1ec3 d\u1ec5 d\u00e0ng c\u00e0i \u0111\u1eb7t m\u00e0 kh\u00f4ng g\u1eb7p b\u1ea5t k\u1ef3 s\u1ef1 ph\u1ee9c t\u1ea1p n\u00e0o. Ngo\u00e0i ra, h\u00e3y xem x\u00e9t c\u00e1c y\u00eau c\u1ea7u b\u1ea3o tr\u00ec c\u1ee7a m\u00e1y ph\u00e1t \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o c\u00f3 th\u1ec3 d\u1ec5 d\u00e0ng b\u1ea3o tr\u00ec v\u00e0 b\u1ea3o d\u01b0\u1ee1ng khi c\u1ea7n.<\/p>\n<p>Khi ch\u1ecdn m\u00e1y ph\u00e1t l\u01b0u l\u01b0\u1ee3ng n\u01b0\u1edbc 4-20mA, \u0111i\u1ec1u quan tr\u1ecdng l\u00e0 ph\u1ea3i xem x\u00e9t giao th\u1ee9c li\u00ean l\u1ea1c c\u1ee7a thi\u1ebft b\u1ecb. Giao th\u1ee9c truy\u1ec1n th\u00f4ng 4-20mA \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong c\u00e1c \u1ee9ng d\u1ee5ng c\u00f4ng nghi\u1ec7p do t\u00ednh \u0111\u01a1n gi\u1ea3n v\u00e0 \u0111\u1ed9 tin c\u1eady c\u1ee7a n\u00f3. Tuy nhi\u00ean, \u0111i\u1ec1u c\u1ea7n thi\u1ebft l\u00e0 ph\u1ea3i \u0111\u1ea3m b\u1ea3o r\u1eb1ng b\u1ed9 ph\u00e1t t\u01b0\u01a1ng th\u00edch v\u1edbi h\u1ec7 th\u1ed1ng \u0111i\u1ec1u khi\u1ec3n c\u1ee7a b\u1ea1n v\u00e0 c\u00f3 th\u1ec3 giao ti\u1ebfp hi\u1ec7u qu\u1ea3 v\u1edbi c\u00e1c thi\u1ebft b\u1ecb kh\u00e1c trong h\u1ec7 th\u1ed1ng c\u1ee7a b\u1ea1n.<\/p>\n<figure class=\"wp-block-table\">\n<table>\n<tbody>\n<tr>\n<td colspan=\"2\">M\u00e1y \u0111o pH\/ORP tr\u1ef1c tuy\u1ebfn d\u00f2ng pH\/ORP-3500<\/td>\n<td><\/td>\n<td><\/td>\n<\/tr>\n<tr>\n<td>\u3000<\/td>\n<td>pH<\/td>\n<td>ORP<\/td>\n<td>Nhi\u1ec7t \u0111\u1ed9.<\/td>\n<\/tr>\n<tr>\n<td>Ph\u1ea1m vi \u0111o<\/td>\n<td>0.00\uff5e14.00<\/td>\n<td>(-2000\uff5e+2000)mV<\/td>\n<td>(0.0\uff5e99.9)\u2103\uff08Nhi\u1ec7t \u0111\u1ed9. B\u1ed3i th\u01b0\u1eddng \uff1aNTC10K)<\/td>\n<\/tr>\n<tr>\n<td>\u0110\u1ed9 ph\u00e2n gi\u1ea3i<\/td>\n<td>0.01<\/td>\n<td>1mV<\/td>\n<td>0,1\u2103<\/td>\n<\/tr>\n<tr>\n<td>\u0110\u1ed9 ch\u00ednh x\u00e1c<\/td>\n<td>\u00b10.1<\/td>\n<td>\u00b15mV\uff08b\u1ed9 ph\u1eadn \u0111i\u1ec7n t\u1eed\uff09<\/td>\n<td>\u00b10.5\u2103<\/td>\n<\/tr>\n<tr>\n<td>Dung d\u1ecbch \u0111\u1ec7m<\/td>\n<td colspan=\"3\">9.18\uff1b6.86\uff1b4.01\uff1b10.00\uff1b7.00\uff1b4.00<\/td>\n<\/tr>\n<tr>\n<td>Nhi\u1ec7t \u0111\u1ed9 trung b\u00ecnh.<\/td>\n<td colspan=\"3\">(0\uff5e50)\u2103\uff08v\u1edbi 25\u2103\u00a0theo ti\u00eau chu\u1ea9n \uff09th\u1ee7 c\u00f4ng \/ b\u00f9 nhi\u1ec7t \u0111\u1ed9 t\u1ef1 \u0111\u1ed9ng cho l\u1ef1a ch\u1ecdn<\/td>\n<\/tr>\n<tr>\n<td>\u0110\u1ea7u Ra T\u01b0\u01a1ng T\u1ef1<\/td>\n<td colspan=\"3\">C\u00e1ch ly m\u1ed9t k\u00eanh\uff084\uff5e20\uff09mA\uff0cThi\u1ebft b\u1ecb \/ B\u1ed9 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 colspan=\"3\">\u0110\u1ea7u ra r\u01a1le k\u00e9p\uff08ON\/OFF\uff09<\/td>\n<\/tr>\n<tr>\n<td>Ti\u00eau th\u1ee5<\/td>\n<td colspan=\"3\"><3W<\/td>\n<\/tr>\n<tr>\n<td>M\u00f4i tr\u01b0\u1eddng l\u00e0m vi\u1ec7c<\/td>\n<td colspan=\"3\">Nhi\u1ec7t \u0111\u1ed9 l\u00e0m vi\u1ec7c.\u00a0(0\uff5e50)\u2103\uff1b\u0110\u1ed9 \u1ea9m t\u01b0\u01a1ng \u0111\u1ed1i\u226485 ph\u1ea7n tr\u0103m RH\uff08kh\u00f4ng ng\u01b0ng t\u1ee5\uff09<\/td>\n<\/tr>\n<tr>\n<td>M\u00f4i tr\u01b0\u1eddng l\u01b0u tr\u1eef<\/td>\n<td colspan=\"3\">Nhi\u1ec7t \u0111\u1ed9.\u00a0(-20\uff5e60)\u2103; \u0110\u1ed9 \u1ea9m t\u01b0\u01a1ng \u0111\u1ed1i\u226485 ph\u1ea7n tr\u0103m RH\uff08kh\u00f4ng ng\u01b0ng t\u1ee5\uff09<\/td>\n<\/tr>\n<tr>\n<td>K\u00edch th\u01b0\u1edbc<\/td>\n<td colspan=\"3\">48mm\u00d796mm\u00d780mm (H\u00d7W\u00d7D)<\/td>\n<\/tr>\n<tr>\n<td>K\u00edch th\u01b0\u1edbc l\u1ed7<\/td>\n<td colspan=\"3\">44mm\u00d792mm (H\u00d7W)<\/td>\n<\/tr>\n<tr>\n<td>C\u00e0i \u0111\u1eb7t<\/td>\n<td colspan=\"3\">B\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<p>\nT\u00f3m l\u1ea1i, vi\u1ec7c ch\u1ecdn b\u1ed9 truy\u1ec1n l\u01b0u l\u01b0\u1ee3ng n\u01b0\u1edbc 4-20mA ph\u00f9 h\u1ee3p cho nhu c\u1ea7u c\u1ee5 th\u1ec3 c\u1ee7a b\u1ea1n \u0111\u00f2i h\u1ecfi ph\u1ea3i xem x\u00e9t c\u1ea9n th\u1eadn c\u00e1c y\u1ebfu t\u1ed1 kh\u00e1c nhau nh\u01b0 ph\u1ea1m vi d\u00f2ng ch\u1ea3y, \u0111\u1ed9 ch\u00ednh x\u00e1c, \u0111\u1ed9 l\u1eb7p l\u1ea1i, y\u00eau c\u1ea7u l\u1eafp \u0111\u1eb7t v\u00e0 giao th\u1ee9c li\u00ean l\u1ea1c. B\u1eb1ng c\u00e1ch t\u00ednh \u0111\u1ebfn nh\u1eefng y\u1ebfu t\u1ed1 n\u00e0y, b\u1ea1n c\u00f3 th\u1ec3 ch\u1ecdn m\u1ed9t m\u00e1y ph\u00e1t \u0111\u00e1p \u1ee9ng c\u00e1c y\u00eau c\u1ea7u c\u1ee7a h\u1ec7 th\u1ed1ng v\u00e0 cung c\u1ea5p d\u1eef li\u1ec7u ch\u00ednh x\u00e1c v\u00e0 \u0111\u00e1ng tin c\u1eady \u0111\u1ec3 theo d\u00f5i v\u00e0 ki\u1ec3m so\u00e1t d\u00f2ng n\u01b0\u1edbc trong quy tr\u00ecnh c\u1ee7a b\u1ea1n.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>L\u1ee3i \u00edch c\u1ee7a vi\u1ec7c s\u1eed d\u1ee5ng b\u1ed9 truy\u1ec1n l\u01b0u l\u01b0\u1ee3ng n\u01b0\u1edbc 4-20mA trong c\u00e1c \u1ee9ng d\u1ee5ng c\u00f4ng nghi\u1ec7p B\u1ed9 truy\u1ec1n l\u01b0u l\u01b0\u1ee3ng n\u01b0\u1edbc l\u00e0 thi\u1ebft b\u1ecb thi\u1ebft y\u1ebfu \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c \u1ee9ng d\u1ee5ng c\u00f4ng nghi\u1ec7p \u0111\u1ec3 \u0111o v\u00e0 gi\u00e1m s\u00e1t l\u01b0u l\u01b0\u1ee3ng n\u01b0\u1edbc trong c\u00e1c quy tr\u00ecnh kh\u00e1c nhau. M\u1ed9t trong nh\u1eefng lo\u1ea1i&#8230;<\/p>\n","protected":false},"author":1,"featured_media":1008,"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":[134452,134481],"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\/21949"}],"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=21949"}],"version-history":[{"count":17,"href":"https:\/\/shchimay.com\/vi\/wp-json\/wp\/v2\/posts\/21949\/revisions"}],"predecessor-version":[{"id":22092,"href":"https:\/\/shchimay.com\/vi\/wp-json\/wp\/v2\/posts\/21949\/revisions\/22092"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/shchimay.com\/vi\/wp-json\/wp\/v2\/media\/1008"}],"wp:attachment":[{"href":"https:\/\/shchimay.com\/vi\/wp-json\/wp\/v2\/media?parent=21949"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/shchimay.com\/vi\/wp-json\/wp\/v2\/categories?post=21949"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/shchimay.com\/vi\/wp-json\/wp\/v2\/tags?post=21949"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}