{"id":17412,"date":"2025-08-25T10:03:12","date_gmt":"2025-08-25T03:03:12","guid":{"rendered":"https:\/\/lctech.vn\/?p=17412"},"modified":"2025-08-25T10:03:12","modified_gmt":"2025-08-25T03:03:12","slug":"dong-ho-do-luu-luong-nuoc-flow-meter","status":"publish","type":"post","link":"https:\/\/lctech.vn\/ko\/dong-ho-do-luu-luong-nuoc-flow-meter\/","title":{"rendered":"\u0110\u1ed3ng h\u1ed3 \u0111o l\u01b0u l\u01b0\u1ee3ng n\u01b0\u1edbc Flow Meter: C\u1ea9m nang to\u00e0n t\u1eadp A-Z"},"content":{"rendered":"<p>\u0110\u1ed3ng h\u1ed3 \u0111o l\u01b0u l\u01b0\u1ee3ng n\u01b0\u1edbc hay Flow Meter l\u00e0 thi\u1ebft b\u1ecb \u0111o l\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh l\u01b0u l\u01b0\u1ee3ng th\u1ec3 t\u00edch ho\u1eb7c kh\u1ed1i l\u01b0\u1ee3ng c\u1ee7a ch\u1ea5t l\u1ecfng (ch\u1ee7 y\u1ebfu l\u00e0 n\u01b0\u1edbc) ch\u1ea3y qua m\u1ed9t \u0111\u01b0\u1eddng \u1ed1ng trong m\u1ed9t kho\u1ea3ng th\u1eddi gian nh\u1ea5t \u0111\u1ecbnh. <span class=\"citation-321 citation-end-321\">Thi\u1ebft b\u1ecb n\u00e0y \u0111\u00f3ng vai tr\u00f2 quan tr\u1ecdng trong vi\u1ec7c gi\u00e1m s\u00e1t, \u0111i\u1ec1u khi\u1ec3n v\u00e0 qu\u1ea3n l\u00fd d\u00f2ng ch\u1ea3y trong nhi\u1ec1u l\u0129nh v\u1ef1c t\u1eeb d\u00e2n d\u1ee5ng \u0111\u1ebfn c\u00f4ng nghi\u1ec7p, \u0111\u1ea3m b\u1ea3o h\u1ec7 th\u1ed1ng v\u1eadn h\u00e0nh ch\u00ednh x\u00e1c v\u00e0 hi\u1ec7u qu\u1ea3. <\/span><\/p>\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_76 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">M\u1ee5c l\u1ee5c b\u00e0i vi\u1ebft<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"\ubaa9\ucc28 \ud1a0\uae00\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewbox=\"0 0 24 24\" version=\"1.2\" baseprofile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/lctech.vn\/ko\/dong-ho-do-luu-luong-nuoc-flow-meter\/#1_Dinh_nghia_va_nguyen_ly_hoat_dong\" >1. \u0110\u1ecbnh ngh\u0129a v\u00e0 nguy\u00ean l\u00fd ho\u1ea1t \u0111\u1ed9ng<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/lctech.vn\/ko\/dong-ho-do-luu-luong-nuoc-flow-meter\/#Dinh_nghia\" >\u0110\u1ecbnh ngh\u0129a<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/lctech.vn\/ko\/dong-ho-do-luu-luong-nuoc-flow-meter\/#Cau_tao_co_ban\" >C\u1ea5u t\u1ea1o c\u01a1 b\u1ea3n<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/lctech.vn\/ko\/dong-ho-do-luu-luong-nuoc-flow-meter\/#Nguyen_ly_hoat_dong\" >Nguy\u00ean l\u00fd ho\u1ea1t \u0111\u1ed9ng<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/lctech.vn\/ko\/dong-ho-do-luu-luong-nuoc-flow-meter\/#2_Phan_loai_dong_ho_do_luu_luong_nuoc\" >2. Ph\u00e2n lo\u1ea1i \u0111\u1ed3ng h\u1ed3 \u0111o l\u01b0u l\u01b0\u1ee3ng n\u01b0\u1edbc<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/lctech.vn\/ko\/dong-ho-do-luu-luong-nuoc-flow-meter\/#21_Theo_nguyen_ly_hoat_dong\" >2.1. Theo nguy\u00ean l\u00fd ho\u1ea1t \u0111\u1ed9ng<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/lctech.vn\/ko\/dong-ho-do-luu-luong-nuoc-flow-meter\/#22_Theo_cau_truc_lap_dat\" >2.2. Theo c\u1ea5u tr\u00fac l\u1eafp \u0111\u1eb7t<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/lctech.vn\/ko\/dong-ho-do-luu-luong-nuoc-flow-meter\/#3_Thong_so_ky_thuat_quan_trong\" >3. Th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt quan tr\u1ecdng<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/lctech.vn\/ko\/dong-ho-do-luu-luong-nuoc-flow-meter\/#31_Thong_so_co_ban\" >3.1. Th\u00f4ng s\u1ed1 c\u01a1 b\u1ea3n<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/lctech.vn\/ko\/dong-ho-do-luu-luong-nuoc-flow-meter\/#32_Tin_hieu_ngo_ra_Output\" >3.2. T\u00edn hi\u1ec7u ng\u00f5 ra (Output)<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/lctech.vn\/ko\/dong-ho-do-luu-luong-nuoc-flow-meter\/#4_So_sanh_cac_loai_flow_meter_chinh\" >4. So s\u00e1nh c\u00e1c lo\u1ea1i flow meter ch\u00ednh<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/lctech.vn\/ko\/dong-ho-do-luu-luong-nuoc-flow-meter\/#41_Dien_tu_Electromagnetic_va_Sieu_am_Ultrasonic\" >4.1. \u0110i\u1ec7n t\u1eeb (Electromagnetic) v\u00e0 Si\u00eau \u00e2m (Ultrasonic)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/lctech.vn\/ko\/dong-ho-do-luu-luong-nuoc-flow-meter\/#42_Tuabin_Turbine_va_Xoay_Vortex\" >4.2. Tuabin (Turbine) v\u00e0 Xo\u00e1y (Vortex)<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/lctech.vn\/ko\/dong-ho-do-luu-luong-nuoc-flow-meter\/#5_Ung_dung_trong_cac_nganh_cong_nghiep\" >5. \u1ee8ng d\u1ee5ng trong c\u00e1c ng\u00e0nh c\u00f4ng nghi\u1ec7p<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-15\" href=\"https:\/\/lctech.vn\/ko\/dong-ho-do-luu-luong-nuoc-flow-meter\/#51_Xu_ly_nuoc_va_nuoc_thai\" >5.1. X\u1eed l\u00fd n\u01b0\u1edbc v\u00e0 n\u01b0\u1edbc th\u1ea3i<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-16\" href=\"https:\/\/lctech.vn\/ko\/dong-ho-do-luu-luong-nuoc-flow-meter\/#52_Dau_khi_va_Hoa_chat\" >5.2. D\u1ea7u kh\u00ed v\u00e0 H\u00f3a ch\u1ea5t<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-17\" href=\"https:\/\/lctech.vn\/ko\/dong-ho-do-luu-luong-nuoc-flow-meter\/#53_Dien_luc_va_Nang_luong\" >5.3. \u0110i\u1ec7n l\u1ef1c v\u00e0 N\u0103ng l\u01b0\u1ee3ng<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-18\" href=\"https:\/\/lctech.vn\/ko\/dong-ho-do-luu-luong-nuoc-flow-meter\/#54_Thuc_pham_va_Duoc_pham\" >5.4. Th\u1ef1c ph\u1ea9m v\u00e0 D\u01b0\u1ee3c ph\u1ea9m<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-19\" href=\"https:\/\/lctech.vn\/ko\/dong-ho-do-luu-luong-nuoc-flow-meter\/#6_Luu_y_khi_lua_chon_va_su_dung\" >6. L\u01b0u \u00fd khi l\u1ef1a ch\u1ecdn v\u00e0 s\u1eed d\u1ee5ng<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-20\" href=\"https:\/\/lctech.vn\/ko\/dong-ho-do-luu-luong-nuoc-flow-meter\/#61_Yeu_to_can_xem_xet_khi_lua_chon\" >6.1. Y\u1ebfu t\u1ed1 c\u1ea7n xem x\u00e9t khi l\u1ef1a ch\u1ecdn<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-21\" href=\"https:\/\/lctech.vn\/ko\/dong-ho-do-luu-luong-nuoc-flow-meter\/#62_Lap_dat_va_bao_tri\" >6.2. L\u1eafp \u0111\u1eb7t v\u00e0 b\u1ea3o tr\u00ec<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-22\" href=\"https:\/\/lctech.vn\/ko\/dong-ho-do-luu-luong-nuoc-flow-meter\/#7_Xu_huong_phat_trien\" >7. Xu h\u01b0\u1edbng ph\u00e1t tri\u1ec3n<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-23\" href=\"https:\/\/lctech.vn\/ko\/dong-ho-do-luu-luong-nuoc-flow-meter\/#71_Cong_nghe_thong_minh\" >7.1. C\u00f4ng ngh\u1ec7 th\u00f4ng minh<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-24\" href=\"https:\/\/lctech.vn\/ko\/dong-ho-do-luu-luong-nuoc-flow-meter\/#72_Cai_tien_ky_thuat\" >7.2. C\u1ea3i ti\u1ebfn k\u1ef9 thu\u1eadt<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-25\" href=\"https:\/\/lctech.vn\/ko\/dong-ho-do-luu-luong-nuoc-flow-meter\/#Ket_luan\" >K\u1ebft lu\u1eadn<\/a><\/li><\/ul><\/nav><\/div>\n<h2><span class=\"ez-toc-section\" id=\"1_Dinh_nghia_va_nguyen_ly_hoat_dong\"><\/span>1. \u0110\u1ecbnh ngh\u0129a v\u00e0 nguy\u00ean l\u00fd ho\u1ea1t \u0111\u1ed9ng<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3><span class=\"ez-toc-section\" id=\"Dinh_nghia\"><\/span>\u0110\u1ecbnh ngh\u0129a<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><span class=\"citation-320 citation-end-320\">Flow meter (hay c\u00f2n g\u1ecdi l\u00e0 l\u01b0u l\u01b0\u1ee3ng k\u1ebf) l\u00e0 m\u1ed9t thi\u1ebft b\u1ecb chuy\u00ean d\u1ee5ng \u0111\u1ec3 \u0111o dung t\u00edch ho\u1eb7c kh\u1ed1i l\u01b0\u1ee3ng c\u1ee7a kh\u00ed ho\u1eb7c ch\u1ea5t l\u1ecfng di chuy\u1ec3n qua n\u00f3. <\/span><span class=\"citation-319 citation-end-319\">T\u00f9y thu\u1ed9c v\u00e0o \u1ee9ng d\u1ee5ng v\u00e0 quy m\u00f4 h\u1ec7 th\u1ed1ng, k\u1ebft qu\u1ea3 \u0111o c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c hi\u1ec3n th\u1ecb theo nhi\u1ec1u \u0111\u01a1n v\u1ecb kh\u00e1c nhau nh\u01b0 LPM (l\u00edt\/ph\u00fat), GPM (gallon\/ph\u00fat) cho c\u00e1c \u1ee9ng d\u1ee5ng nh\u1ecf, ho\u1eb7c m\u00b3\/gi\u1edd \u0111\u1ed1i v\u1edbi c\u00e1c h\u1ec7 th\u1ed1ng c\u00f4ng nghi\u1ec7p c\u00f4ng su\u1ea5t l\u1edbn. <\/span><\/p>\n<h3><span class=\"ez-toc-section\" id=\"Cau_tao_co_ban\"><\/span>C\u1ea5u t\u1ea1o c\u01a1 b\u1ea3n<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><span class=\"citation-318 citation-end-318\">M\u1ed9t chi\u1ebfc \u0111\u1ed3ng h\u1ed3 \u0111o l\u01b0u l\u01b0\u1ee3ng n\u01b0\u1edbc d\u1ea1ng phao (rotameter) c\u01a1 b\u1ea3n th\u01b0\u1eddng bao g\u1ed3m ba b\u1ed9 ph\u1eadn ch\u00ednh: <\/span><\/p>\n<ul>\n<li><b>Phao (Float):<\/b> B\u1ed9 ph\u1eadn ch\u00ednh di chuy\u1ec3n t\u1ef1 do l\u00ean xu\u1ed1ng b\u00ean trong \u1ed1ng \u0111o theo s\u1ef1 thay \u0111\u1ed5i c\u1ee7a d\u00f2ng ch\u1ea3y.<\/li>\n<li><b>\u1ed0ng \u0111o (Measuring Tube):<\/b> Th\u01b0\u1eddng l\u00e0 m\u1ed9t \u1ed1ng th\u1ee7y tinh ho\u1eb7c nh\u1ef1a trong su\u1ed1t c\u00f3 d\u1ea1ng h\u00ecnh n\u00f3n, l\u00e0 k\u00eanh d\u1eabn cho ch\u1ea5t l\u1ecfng ch\u1ea3y qua.<\/li>\n<li><b><span class=\"citation-317\">V\u1ea1ch chia\/Thang \u0111o (Scale):<\/span><\/b><span class=\"citation-317 citation-end-317\"> C\u00e1c v\u1ea1ch chia \u0111\u01b0\u1ee3c kh\u1eafc tr\u1ef1c ti\u1ebfp tr\u00ean th\u00e2n \u1ed1ng \u0111o \u0111\u1ec3 ng\u01b0\u1eddi d\u00f9ng \u0111\u1ecdc k\u1ebft qu\u1ea3 l\u01b0u l\u01b0\u1ee3ng.<\/span><\/li>\n<\/ul>\n<h3><span class=\"ez-toc-section\" id=\"Nguyen_ly_hoat_dong\"><\/span>Nguy\u00ean l\u00fd ho\u1ea1t \u0111\u1ed9ng<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><span class=\"citation-316 citation-end-316\">\u0110\u1ed3ng h\u1ed3 \u0111o l\u01b0u l\u01b0\u1ee3ng n\u01b0\u1edbc d\u1ea1ng phao ho\u1ea1t \u0111\u1ed9ng d\u1ef1a tr\u00ean nguy\u00ean l\u00fd th\u1ee7y \u0111\u1ed9ng l\u1ef1c h\u1ecdc m\u1ed9t c\u00e1ch t\u1ef1 \u0111\u1ed9ng m\u00e0 kh\u00f4ng c\u1ea7n \u0111\u1ebfn ngu\u1ed3n n\u0103ng l\u01b0\u1ee3ng b\u00ean ngo\u00e0i. <\/span> Khi ch\u1ea5t l\u1ecfng b\u1eaft \u0111\u1ea7u ch\u1ea3y v\u00e0o t\u1eeb ph\u00eda d\u01b0\u1edbi \u1ed1ng \u0111o, n\u00f3 s\u1ebd t\u00e1c \u0111\u1ed9ng m\u1ed9t l\u1ef1c \u0111\u1ea9y l\u00ean phao. Phao s\u1ebd \u0111\u01b0\u1ee3c n\u00e2ng l\u00ean cho \u0111\u1ebfn khi l\u1ef1c \u0111\u1ea9y c\u1ee7a d\u00f2ng ch\u1ea3y c\u00e2n b\u1eb1ng v\u1edbi tr\u1ecdng l\u01b0\u1ee3ng c\u1ee7a phao. <span class=\"citation-315 citation-end-315\">T\u1ea1i v\u1ecb tr\u00ed c\u00e2n b\u1eb1ng n\u00e0y, m\u1eb7t tr\u00ean c\u1ee7a phao s\u1ebd t\u01b0\u01a1ng \u1ee9ng v\u1edbi m\u1ed9t v\u1ea1ch chia tr\u00ean thang \u0111o, cho bi\u1ebft gi\u00e1 tr\u1ecb l\u01b0u l\u01b0\u1ee3ng t\u1ee9c th\u1eddi c\u1ee7a d\u00f2ng ch\u1ea3y.<\/span><\/p>\n<h2><span class=\"ez-toc-section\" id=\"2_Phan_loai_dong_ho_do_luu_luong_nuoc\"><\/span>2. Ph\u00e2n lo\u1ea1i \u0111\u1ed3ng h\u1ed3 \u0111o l\u01b0u l\u01b0\u1ee3ng n\u01b0\u1edbc<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Flow meter \u0111\u01b0\u1ee3c ph\u00e2n lo\u1ea1i theo nhi\u1ec1u ti\u00eau ch\u00ed kh\u00e1c nhau, nh\u01b0ng ph\u1ed5 bi\u1ebfn nh\u1ea5t l\u00e0 d\u1ef1a tr\u00ean nguy\u00ean l\u00fd ho\u1ea1t \u0111\u1ed9ng v\u00e0 c\u1ea5u tr\u00fac l\u1eafp \u0111\u1eb7t.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"21_Theo_nguyen_ly_hoat_dong\"><\/span>2.1. Theo nguy\u00ean l\u00fd ho\u1ea1t \u0111\u1ed9ng<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>M\u1ed7i lo\u1ea1i \u0111\u1ed3ng h\u1ed3 \u0111o l\u01b0u l\u01b0\u1ee3ng n\u01b0\u1edbc ho\u1ea1t \u0111\u1ed9ng theo m\u1ed9t nguy\u00ean l\u00fd ri\u00eang, ph\u00f9 h\u1ee3p v\u1edbi c\u00e1c \u1ee9ng d\u1ee5ng v\u00e0 lo\u1ea1i ch\u1ea5t l\u1ecfng kh\u00e1c nhau.<\/p>\n<div class=\"horizontal-scroll-wrapper\">\n<div class=\"table-block-component\">\n<div class=\"table-block has-export-button\">\n<div class=\"table-content not-end-of-paragraph\">\n<table>\n<thead>\n<tr>\n<td>Lo\u1ea1i Flow Meter<\/td>\n<td>Nguy\u00ean l\u00fd<\/td>\n<td>\u01afu \u0111i\u1ec3m<\/td>\n<td>Nh\u01b0\u1ee3c \u0111i\u1ec3m<\/td>\n<td>\u1ee8ng d\u1ee5ng ph\u1ed5 bi\u1ebfn<\/td>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><b>\u0110i\u1ec7n t\u1eeb (Electromagnetic)<\/b><\/td>\n<td>D\u1ef1a tr\u00ean \u0111\u1ecbnh lu\u1eadt c\u1ea3m \u1ee9ng \u0111i\u1ec7n t\u1eeb Faraday: khi ch\u1ea5t l\u1ecfng d\u1eabn \u0111i\u1ec7n ch\u1ea3y qua t\u1eeb tr\u01b0\u1eddng, n\u00f3 t\u1ea1o ra m\u1ed9t \u0111i\u1ec7n \u00e1p t\u1ef7 l\u1ec7 v\u1edbi v\u1eadn t\u1ed1c d\u00f2ng ch\u1ea3y.<\/td>\n<td><span class=\"citation-314 citation-end-314\">Kh\u00f4ng c\u00f3 b\u1ed9 ph\u1eadn chuy\u1ec3n \u0111\u1ed9ng, kh\u00f4ng g\u00e2y s\u1ee5t \u00e1p, \u0111\u1ed9 ch\u00ednh x\u00e1c r\u1ea5t cao (l\u00ean \u0111\u1ebfn \u00b10.5%), ph\u00f9 h\u1ee3p cho ch\u1ea5t l\u1ecfng c\u00f3 c\u1eb7n b\u1ea9n. <\/span><\/p>\n<div class=\"source-inline-chip-container ng-star-inserted\"><\/div>\n<\/td>\n<td><span class=\"citation-313 citation-end-313\">Ch\u1ec9 \u0111o \u0111\u01b0\u1ee3c ch\u1ea5t l\u1ecfng c\u00f3 \u0111\u1ed9 d\u1eabn \u0111i\u1ec7n nh\u1ea5t \u0111\u1ecbnh, chi ph\u00ed \u0111\u1ea7u t\u01b0 cao h\u01a1n c\u00e1c lo\u1ea1i kh\u00e1c. <\/span><\/p>\n<div class=\"source-inline-chip-container ng-star-inserted\"><\/div>\n<\/td>\n<td>N\u01b0\u1edbc th\u1ea3i, n\u01b0\u1edbc s\u1ea1ch, h\u00f3a ch\u1ea5t, b\u00f9n, c\u00f4ng nghi\u1ec7p th\u1ef1c ph\u1ea9m.<\/td>\n<\/tr>\n<tr>\n<td><b>Si\u00eau \u00e2m (Ultrasonic)<\/b><\/td>\n<td>S\u1eed d\u1ee5ng s\u00f3ng si\u00eau \u00e2m \u0111\u1ec3 \u0111o v\u1eadn t\u1ed1c d\u00f2ng ch\u1ea3y. C\u1ea3m bi\u1ebfn ph\u00e1t v\u00e0 nh\u1eadn s\u00f3ng si\u00eau \u00e2m, th\u1eddi gian truy\u1ec1n s\u00f3ng s\u1ebd thay \u0111\u1ed5i t\u00f9y thu\u1ed9c v\u00e0o t\u1ed1c \u0111\u1ed9 c\u1ee7a ch\u1ea5t l\u1ecfng.<\/td>\n<td><span class=\"citation-312 citation-end-312\">Kh\u00f4ng x\u00e2m nh\u1eadp v\u00e0o \u0111\u01b0\u1eddng \u1ed1ng (lo\u1ea1i k\u1eb9p ngo\u00e0i), kh\u00f4ng g\u00e2y tr\u1edf ng\u1ea1i d\u00f2ng ch\u1ea3y, l\u1eafp \u0111\u1eb7t d\u1ec5 d\u00e0ng, d\u1ea3i \u0111o r\u1ed9ng. <\/span><\/p>\n<div class=\"source-inline-chip-container ng-star-inserted\"><\/div>\n<\/td>\n<td>\u0110\u1ed9 ch\u00ednh x\u00e1c c\u00f3 th\u1ec3 b\u1ecb \u1ea3nh h\u01b0\u1edfng b\u1edfi b\u1ecdt kh\u00ed ho\u1eb7c t\u1ea1p ch\u1ea5t r\u1eafn trong ch\u1ea5t l\u1ecfng.<\/td>\n<td>N\u01b0\u1edbc s\u1ea1ch, d\u1ea7u, kh\u00ed, c\u00e1c \u1ee9ng d\u1ee5ng c\u1ea7n \u0111o m\u00e0 kh\u00f4ng th\u1ec3 d\u1eebng h\u1ec7 th\u1ed1ng.<\/td>\n<\/tr>\n<tr>\n<td><b>Tuabin (Turbine)<\/b><\/td>\n<td>D\u00f2ng ch\u1ea3y l\u00e0m quay m\u1ed9t c\u00e1nh qu\u1ea1t (tuabin) b\u00ean trong \u0111\u1ed3ng h\u1ed3. <span class=\"citation-311 citation-end-311\">T\u1ed1c \u0111\u1ed9 quay c\u1ee7a tuabin t\u1ef7 l\u1ec7 thu\u1eadn v\u1edbi l\u01b0u l\u01b0\u1ee3ng d\u00f2ng ch\u1ea3y. <\/span><\/p>\n<div class=\"source-inline-chip-container ng-star-inserted\"><\/div>\n<\/td>\n<td><span class=\"citation-310 citation-end-310\">\u0110\u1ed9 ch\u00ednh x\u00e1c cao, d\u1ea3i \u0111o r\u1ed9ng, ph\u1ea3n \u1ee9ng nhanh v\u1edbi s\u1ef1 thay \u0111\u1ed5i l\u01b0u l\u01b0\u1ee3ng. <\/span><\/p>\n<div class=\"source-inline-chip-container ng-star-inserted\"><\/div>\n<\/td>\n<td><span class=\"citation-309 citation-end-309\">C\u00f3 b\u1ed9 ph\u1eadn chuy\u1ec3n \u0111\u1ed9ng n\u00ean d\u1ec5 b\u1ecb m\u00e0i m\u00f2n, kh\u00f4ng ph\u00f9 h\u1ee3p v\u1edbi ch\u1ea5t l\u1ecfng c\u00f3 c\u1eb7n b\u1ea9n. <\/span><\/p>\n<div class=\"source-inline-chip-container ng-star-inserted\"><\/div>\n<\/td>\n<td>D\u1ea7u, n\u01b0\u1edbc s\u1ea1ch, kh\u00ed t\u1ef1 nhi\u00ean, c\u00e1c \u1ee9ng d\u1ee5ng chuy\u1ec3n giao th\u01b0\u01a1ng m\u1ea1i.<\/td>\n<\/tr>\n<tr>\n<td><b>Xo\u00e1y (Vortex)<\/b><\/td>\n<td>D\u00f2ng ch\u1ea3y \u0111i qua m\u1ed9t v\u1eadt c\u1ea3n s\u1ebd t\u1ea1o ra c\u00e1c xo\u00e1y (vortex) tu\u1ea7n ho\u00e0n. <span class=\"citation-308 citation-end-308\">T\u1ea7n s\u1ed1 c\u1ee7a c\u00e1c xo\u00e1y n\u00e0y t\u1ef7 l\u1ec7 thu\u1eadn v\u1edbi v\u1eadn t\u1ed1c d\u00f2ng ch\u1ea3y. <\/span><\/p>\n<div class=\"source-inline-chip-container ng-star-inserted\"><\/div>\n<\/td>\n<td><span class=\"citation-307 citation-end-307\">Kh\u00f4ng c\u00f3 b\u1ed9 ph\u1eadn chuy\u1ec3n \u0111\u1ed9ng, \u0111\u1ed9 b\u1ec1n cao, ch\u1ecbu \u0111\u01b0\u1ee3c nhi\u1ec7t \u0111\u1ed9 v\u00e0 \u00e1p su\u1ea5t l\u1edbn, \u0111o \u0111\u01b0\u1ee3c c\u1ea3 l\u1ecfng, kh\u00ed v\u00e0 h\u01a1i. <\/span><\/p>\n<div class=\"source-inline-chip-container ng-star-inserted\"><\/div>\n<\/td>\n<td><span class=\"citation-306 citation-end-306\">Kh\u00f4ng \u0111o ch\u00ednh x\u00e1c \u1edf m\u1ee9c l\u01b0u l\u01b0\u1ee3ng r\u1ea5t th\u1ea5p, y\u00eau c\u1ea7u \u0111o\u1ea1n \u1ed1ng th\u1eb3ng d\u00e0i tr\u01b0\u1edbc \u0111\u1ed3ng h\u1ed3. <\/span><\/p>\n<div class=\"source-inline-chip-container ng-star-inserted\"><\/div>\n<\/td>\n<td>H\u01a1i n\u01b0\u1edbc, kh\u00ed n\u00e9n, ch\u1ea5t l\u1ecfng c\u00f4ng nghi\u1ec7p.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<div class=\"table-footer hide-from-message-actions ng-star-inserted\"><\/div>\n<\/div>\n<\/div>\n<\/div>\n<h3><span class=\"ez-toc-section\" id=\"22_Theo_cau_truc_lap_dat\"><\/span>2.2. Theo c\u1ea5u tr\u00fac l\u1eafp \u0111\u1eb7t<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ul>\n<li><b>Lo\u1ea1i \u0111o\u1ea1n \u1ed1ng (In-line):<\/b> \u0110\u00e2y l\u00e0 d\u1ea1ng ph\u1ed5 bi\u1ebfn nh\u1ea5t, y\u00eau c\u1ea7u c\u1eaft \u0111\u01b0\u1eddng \u1ed1ng \u0111\u1ec3 l\u1eafp \u0111\u1eb7t \u0111\u1ed3ng h\u1ed3 tr\u1ef1c ti\u1ebfp v\u00e0o h\u1ec7 th\u1ed1ng.<\/li>\n<li><b>Lo\u1ea1i ch\u00e8n (Insertion):<\/b> C\u1ea3m bi\u1ebfn \u0111\u01b0\u1ee3c ch\u00e8n v\u00e0o \u0111\u01b0\u1eddng \u1ed1ng th\u00f4ng qua m\u1ed9t l\u1ed7 khoan nh\u1ecf. Lo\u1ea1i n\u00e0y ph\u00f9 h\u1ee3p cho c\u00e1c \u0111\u01b0\u1eddng \u1ed1ng c\u00f3 k\u00edch th\u01b0\u1edbc l\u1edbn.<\/li>\n<li><b>Lo\u1ea1i k\u1eb9p ngo\u00e0i (Clamp-on):<\/b> C\u1ea3m bi\u1ebfn \u0111\u01b0\u1ee3c k\u1eb9p tr\u1ef1c ti\u1ebfp v\u00e0o b\u00ean ngo\u00e0i th\u00e0nh \u1ed1ng, kh\u00f4ng c\u1ea7n can thi\u1ec7p v\u00e0o \u0111\u01b0\u1eddng \u1ed1ng. D\u1ea1ng n\u00e0y ch\u1ee7 y\u1ebfu d\u00e0nh cho \u0111\u1ed3ng h\u1ed3 \u0111o l\u01b0u l\u01b0\u1ee3ng n\u01b0\u1edbc si\u00eau \u00e2m.<\/li>\n<\/ul>\n<h2><span class=\"ez-toc-section\" id=\"3_Thong_so_ky_thuat_quan_trong\"><\/span>3. Th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt quan tr\u1ecdng<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Khi l\u1ef1a ch\u1ecdn m\u1ed9t chi\u1ebfc flow meter, vi\u1ec7c hi\u1ec3u r\u00f5 c\u00e1c th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt l\u00e0 v\u00f4 c\u00f9ng c\u1ea7n thi\u1ebft \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o thi\u1ebft b\u1ecb ho\u1ea1t \u0111\u1ed9ng \u1ed5n \u0111\u1ecbnh v\u00e0 ch\u00ednh x\u00e1c.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"31_Thong_so_co_ban\"><\/span>3.1. Th\u00f4ng s\u1ed1 c\u01a1 b\u1ea3n<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ul>\n<li><b><span class=\"citation-305\">K\u00edch th\u01b0\u1edbc \u1ed1ng:<\/span><\/b><span class=\"citation-305 citation-end-305\"> C\u00f3 d\u1ea3i k\u00edch th\u01b0\u1edbc r\u1ea5t r\u1ed9ng, t\u1eeb DN15 (\u00bd&#8221;) cho c\u00e1c \u1ee9ng d\u1ee5ng d\u00e2n d\u1ee5ng \u0111\u1ebfn DN3000 (120&#8243;) cho c\u00e1c \u0111\u01b0\u1eddng \u1ed1ng c\u00f4ng nghi\u1ec7p kh\u1ed5ng l\u1ed3.<\/span><\/li>\n<li><b><span class=\"citation-304\">\u00c1p su\u1ea5t l\u00e0m vi\u1ec7c:<\/span><\/b><span class=\"citation-304 citation-end-304\"> T\u00f9y thu\u1ed9c v\u00e0o v\u1eadt li\u1ec7u v\u00e0 thi\u1ebft k\u1ebf, \u0111\u1ed3ng h\u1ed3 c\u00f3 th\u1ec3 ch\u1ecbu \u0111\u01b0\u1ee3c \u00e1p su\u1ea5t t\u1ed1i \u0111a t\u1eeb 16 \u0111\u1ebfn 42 MPa.<\/span><\/li>\n<li><b><span class=\"citation-303\">Nhi\u1ec7t \u0111\u1ed9 ho\u1ea1t \u0111\u1ed9ng:<\/span><\/b><span class=\"citation-303 citation-end-303\"> D\u1ea3i nhi\u1ec7t \u0111\u1ed9 l\u00e0m vi\u1ec7c r\u1ed9ng, t\u1eeb -40\u00b0C \u0111\u1ebfn +160\u00b0C, ph\u00f9 h\u1ee3p v\u1edbi c\u1ea3 m\u00f4i tr\u01b0\u1eddng ch\u1ea5t l\u1ecfng l\u1ea1nh v\u00e0 h\u01a1i n\u01b0\u1edbc n\u00f3ng.<\/span><\/li>\n<li><b><span class=\"citation-302\">\u0110\u1ed9 ch\u00ednh x\u00e1c:<\/span><\/b><span class=\"citation-302 citation-end-302\"> L\u00e0 y\u1ebfu t\u1ed1 quan tr\u1ecdng nh\u1ea5t, dao \u0111\u1ed9ng t\u1eeb \u00b10.2% (\u0111\u1ed1i v\u1edbi lo\u1ea1i \u0111i\u1ec7n t\u1eeb cao c\u1ea5p) \u0111\u1ebfn \u00b12% t\u00f9y thu\u1ed9c v\u00e0o c\u00f4ng ngh\u1ec7 \u0111o.<\/span><\/li>\n<li><b><span class=\"citation-301\">D\u1ea3i \u0111o l\u01b0u l\u01b0\u1ee3ng:<\/span><\/b><span class=\"citation-301 citation-end-301\"> V\u1eadn t\u1ed1c d\u00f2ng ch\u1ea3y c\u00f3 th\u1ec3 \u0111o \u0111\u01b0\u1ee3c th\u01b0\u1eddng n\u1eb1m trong kho\u1ea3ng 0.03 &#8211; 12 m\/s.<\/span><\/li>\n<\/ul>\n<h3><span class=\"ez-toc-section\" id=\"32_Tin_hieu_ngo_ra_Output\"><\/span>3.2. T\u00edn hi\u1ec7u ng\u00f5 ra (Output)<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><span class=\"citation-300 citation-end-300\">C\u00e1c \u0111\u1ed3ng h\u1ed3 \u0111o l\u01b0u l\u01b0\u1ee3ng n\u01b0\u1edbc hi\u1ec7n \u0111\u1ea1i cung c\u1ea5p nhi\u1ec1u lo\u1ea1i t\u00edn hi\u1ec7u \u0111\u1ea7u ra \u0111\u1ec3 k\u1ebft n\u1ed1i v\u1edbi h\u1ec7 th\u1ed1ng \u0111i\u1ec1u khi\u1ec3n v\u00e0 gi\u00e1m s\u00e1t (PLC, SCADA):<\/span><\/p>\n<ul>\n<li><b>Analog:<\/b> T\u00edn hi\u1ec7u d\u00f2ng 4-20mA ho\u1eb7c t\u00edn hi\u1ec7u \u00e1p 0-10V, l\u00e0 ti\u00eau chu\u1ea9n ph\u1ed5 bi\u1ebfn trong c\u00f4ng nghi\u1ec7p.<\/li>\n<li><b><span class=\"citation-299\">Digital:<\/span><\/b><span class=\"citation-299 citation-end-299\"> T\u00edn hi\u1ec7u xung (0-1kHz) ho\u1eb7c giao th\u1ee9c truy\u1ec1n th\u00f4ng Modbus RS485.<\/span><\/li>\n<li><b><span class=\"citation-298\">Giao ti\u1ebfp:<\/span><\/b><span class=\"citation-298 citation-end-298\"> H\u1ed7 tr\u1ee3 c\u00e1c giao th\u1ee9c n\u00e2ng cao nh\u01b0 HART ho\u1eb7c GPRS \u0111\u1ec3 truy\u1ec1n d\u1eef li\u1ec7u kh\u00f4ng d\u00e2y.<\/span><\/li>\n<li><b><span class=\"citation-297\">\u0110i\u1ec1u khi\u1ec3n:<\/span><\/b><span class=\"citation-297 citation-end-297\"> T\u00edch h\u1ee3p 4 c\u1ed5ng Relay (250VAC, 30VDC) \u0111\u1ec3 \u0111i\u1ec1u khi\u1ec3n tr\u1ef1c ti\u1ebfp c\u00e1c thi\u1ebft b\u1ecb nh\u01b0 b\u01a1m, van.<\/span><\/li>\n<\/ul>\n<h2><span class=\"ez-toc-section\" id=\"4_So_sanh_cac_loai_flow_meter_chinh\"><\/span>4. So s\u00e1nh c\u00e1c lo\u1ea1i flow meter ch\u00ednh<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3><span class=\"ez-toc-section\" id=\"41_Dien_tu_Electromagnetic_va_Sieu_am_Ultrasonic\"><\/span>4.1. \u0110i\u1ec7n t\u1eeb (Electromagnetic) v\u00e0 Si\u00eau \u00e2m (Ultrasonic)<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u0110\u00e2y l\u00e0 hai c\u00f4ng ngh\u1ec7 \u0111o kh\u00f4ng c\u00f3 b\u1ed9 ph\u1eadn chuy\u1ec3n \u0111\u1ed9ng ph\u1ed5 bi\u1ebfn nh\u1ea5t hi\u1ec7n nay.<\/p>\n<div class=\"horizontal-scroll-wrapper\">\n<div class=\"table-block-component\">\n<div class=\"table-block has-export-button\">\n<div class=\"table-content not-end-of-paragraph\">\n<table>\n<thead>\n<tr>\n<td>Ti\u00eau ch\u00ed<\/td>\n<td>\u0110\u1ed3ng h\u1ed3 \u0111i\u1ec7n t\u1eeb (Electromagnetic)<\/td>\n<td>\u0110\u1ed3ng h\u1ed3 si\u00eau \u00e2m (Ultrasonic)<\/td>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><b>\u0110\u1ed9 ch\u00ednh x\u00e1c<\/b><\/td>\n<td><span class=\"citation-296 citation-end-296\">R\u1ea5t cao, th\u01b0\u1eddng t\u1eeb \u00b10.2% \u0111\u1ebfn \u00b11%. <\/span><\/p>\n<div class=\"source-inline-chip-container ng-star-inserted\"><\/div>\n<\/td>\n<td><span class=\"citation-295 citation-end-295\">T\u1ed1t, th\u01b0\u1eddng t\u1eeb \u00b11% \u0111\u1ebfn \u00b12% cho lo\u1ea1i transit-time. <\/span><\/p>\n<div class=\"source-inline-chip-container ng-star-inserted\"><\/div>\n<\/td>\n<\/tr>\n<tr>\n<td><b>D\u1ea3i \u0111o<\/b><\/td>\n<td><span class=\"citation-294 citation-end-294\">0.1 &#8211; 10 m\/s <\/span><\/p>\n<div class=\"source-inline-chip-container ng-star-inserted\"><\/div>\n<\/td>\n<td><span class=\"citation-293 citation-end-293\">0.03 &#8211; 12 m\/s <\/span><\/p>\n<div class=\"source-inline-chip-container ng-star-inserted\"><\/div>\n<\/td>\n<\/tr>\n<tr>\n<td><b>Y\u00eau c\u1ea7u ch\u1ea5t l\u1ecfng<\/b><\/td>\n<td><span class=\"citation-292 citation-end-292\">B\u1eaft bu\u1ed9c ph\u1ea3i c\u00f3 \u0111\u1ed9 d\u1eabn \u0111i\u1ec7n nh\u1ea5t \u0111\u1ecbnh. <\/span><\/p>\n<div class=\"source-inline-chip-container ng-star-inserted\"><\/div>\n<\/td>\n<td><span class=\"citation-291 citation-end-291\">Kh\u00f4ng y\u00eau c\u1ea7u d\u1eabn \u0111i\u1ec7n, \u0111o \u0111\u01b0\u1ee3c c\u1ea3 n\u01b0\u1edbc si\u00eau tinh khi\u1ebft. <\/span><\/p>\n<div class=\"source-inline-chip-container ng-star-inserted\"><\/div>\n<\/td>\n<\/tr>\n<tr>\n<td><b>\u00c1p su\u1ea5t t\u1ed1i \u0111a<\/b><\/td>\n<td><span class=\"citation-290 citation-end-290\">L\u00ean \u0111\u1ebfn 16 MPa <\/span><\/p>\n<div class=\"source-inline-chip-container ng-star-inserted\"><\/div>\n<\/td>\n<td><span class=\"citation-289 citation-end-289\">L\u00ean \u0111\u1ebfn 42 MPa <\/span><\/p>\n<div class=\"source-inline-chip-container ng-star-inserted\"><\/div>\n<\/td>\n<\/tr>\n<tr>\n<td><b>L\u1eafp \u0111\u1eb7t<\/b><\/td>\n<td><span class=\"citation-288 citation-end-288\">Ph\u1ea3i c\u1eaft \u1ed1ng \u0111\u1ec3 l\u1eafp \u0111\u1eb7t. <\/span><\/p>\n<div class=\"source-inline-chip-container ng-star-inserted\"><\/div>\n<\/td>\n<td><span class=\"citation-287 citation-end-287\">C\u00f3 th\u1ec3 k\u1eb9p b\u00ean ngo\u00e0i \u1ed1ng m\u00e0 kh\u00f4ng c\u1ea7n d\u1eebng h\u1ec7 th\u1ed1ng. <\/span><\/p>\n<div class=\"source-inline-chip-container ng-star-inserted\"><\/div>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<div class=\"table-footer hide-from-message-actions ng-star-inserted\"><\/div>\n<\/div>\n<\/div>\n<\/div>\n<h3><span class=\"ez-toc-section\" id=\"42_Tuabin_Turbine_va_Xoay_Vortex\"><\/span>4.2. Tuabin (Turbine) v\u00e0 Xo\u00e1y (Vortex)<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>&nbsp;<\/p>\n<div class=\"horizontal-scroll-wrapper\">\n<div class=\"table-block-component\">\n<div class=\"table-block has-export-button\">\n<div class=\"table-content not-end-of-paragraph\">\n<table>\n<thead>\n<tr>\n<td>\u0110\u1eb7c \u0111i\u1ec3m<\/td>\n<td>\u0110\u1ed3ng h\u1ed3 Tuabin (Turbine)<\/td>\n<td>\u0110\u1ed3ng h\u1ed3 Xo\u00e1y (Vortex)<\/td>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><b>\u0110\u1ed9 ch\u00ednh x\u00e1c<\/b><\/td>\n<td><span class=\"citation-286 citation-end-286\">Cao, t\u1eeb \u00b10.25% \u0111\u1ebfn \u00b10.5%. <\/span><\/p>\n<div class=\"source-inline-chip-container ng-star-inserted\"><\/div>\n<\/td>\n<td><span class=\"citation-285 citation-end-285\">T\u1ed1t, t\u1eeb \u00b10.75% \u0111\u1ebfn \u00b11.5%. <\/span><\/p>\n<div class=\"source-inline-chip-container ng-star-inserted\"><\/div>\n<\/td>\n<\/tr>\n<tr>\n<td><b>B\u1ed9 ph\u1eadn chuy\u1ec3n \u0111\u1ed9ng<\/b><\/td>\n<td><span class=\"citation-284 citation-end-284\">C\u00f3 (c\u00e1nh qu\u1ea1t). <\/span><\/p>\n<div class=\"source-inline-chip-container ng-star-inserted\"><\/div>\n<\/td>\n<td><span class=\"citation-283 citation-end-283\">Kh\u00f4ng. <\/span><\/p>\n<div class=\"source-inline-chip-container ng-star-inserted\"><\/div>\n<\/td>\n<\/tr>\n<tr>\n<td><b>B\u1ea3o tr\u00ec<\/b><\/td>\n<td><span class=\"citation-282 citation-end-282\">C\u1ea7n b\u1ea3o tr\u00ec, hi\u1ec7u chu\u1ea9n th\u01b0\u1eddng xuy\u00ean do c\u00f3 s\u1ef1 m\u00e0i m\u00f2n c\u01a1 h\u1ecdc. <\/span><\/p>\n<div class=\"source-inline-chip-container ng-star-inserted\"><\/div>\n<\/td>\n<td><span class=\"citation-281 citation-end-281\">\u00cdt c\u1ea7n b\u1ea3o tr\u00ec h\u01a1n. <\/span><\/p>\n<div class=\"source-inline-chip-container ng-star-inserted\"><\/div>\n<\/td>\n<\/tr>\n<tr>\n<td><b>\u1ee8ng d\u1ee5ng t\u1ed1t nh\u1ea5t<\/b><\/td>\n<td><span class=\"citation-280 citation-end-280\">Ch\u1ea5t l\u1ecfng s\u1ea1ch, \u0111\u1ed9 nh\u1edbt th\u1ea5p, y\u00eau c\u1ea7u \u0111\u1ed9 ch\u00ednh x\u00e1c cao. <\/span><\/p>\n<div class=\"source-inline-chip-container ng-star-inserted\"><\/div>\n<\/td>\n<td><span class=\"citation-279 citation-end-279\">H\u01a1i, kh\u00ed, ch\u1ea5t l\u1ecfng c\u00f3 nhi\u1ec7t \u0111\u1ed9 v\u00e0 \u00e1p su\u1ea5t cao. <\/span><\/p>\n<div class=\"source-inline-chip-container ng-star-inserted\"><\/div>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<h2><span class=\"ez-toc-section\" id=\"5_Ung_dung_trong_cac_nganh_cong_nghiep\"><\/span>5. \u1ee8ng d\u1ee5ng trong c\u00e1c ng\u00e0nh c\u00f4ng nghi\u1ec7p<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u0110\u1ed3ng h\u1ed3 \u0111o l\u01b0u l\u01b0\u1ee3ng n\u01b0\u1edbc Flow Meter l\u00e0 m\u1ed9t th\u00e0nh ph\u1ea7n kh\u00f4ng th\u1ec3 thi\u1ebfu trong h\u1ea7u h\u1ebft c\u00e1c ng\u00e0nh c\u00f4ng nghi\u1ec7p.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"51_Xu_ly_nuoc_va_nuoc_thai\"><\/span>5.1. X\u1eed l\u00fd n\u01b0\u1edbc v\u00e0 n\u01b0\u1edbc th\u1ea3i<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ul>\n<li><b><span class=\"citation-278\">C\u1ea5p n\u01b0\u1edbc \u0111\u00f4 th\u1ecb:<\/span><\/b><span class=\"citation-278 citation-end-278\"> Gi\u00e1m s\u00e1t l\u01b0u l\u01b0\u1ee3ng n\u01b0\u1edbc trong m\u1ea1ng l\u01b0\u1edbi \u0111\u01b0\u1eddng \u1ed1ng, ph\u00e1t hi\u1ec7n r\u00f2 r\u1ec9 v\u00e0 l\u00e0 c\u01a1 s\u1edf \u0111\u1ec3 t\u00ednh to\u00e1n h\u00f3a \u0111\u01a1n ti\u1ec1n n\u01b0\u1edbc.<\/span><\/li>\n<li><b><span class=\"citation-277\">Nh\u00e0 m\u00e1y x\u1eed l\u00fd n\u01b0\u1edbc th\u1ea3i:<\/span><\/b><span class=\"citation-277 citation-end-277\"> \u0110o l\u01b0\u1eddng v\u00e0 ki\u1ec3m so\u00e1t l\u01b0u l\u01b0\u1ee3ng n\u01b0\u1edbc th\u1ea3i \u0111\u1ea7u v\u00e0o, l\u01b0\u1ee3ng b\u00f9n, v\u00e0 h\u00f3a ch\u1ea5t s\u1eed d\u1ee5ng trong qu\u00e1 tr\u00ecnh x\u1eed l\u00fd.<\/span><\/li>\n<li><b><span class=\"citation-276\">H\u1ec7 th\u1ed1ng l\u00e0m m\u00e1t v\u00e0 HVAC:<\/span><\/b><span class=\"citation-276 citation-end-276\"> \u0110i\u1ec1u khi\u1ec3n l\u01b0u l\u01b0\u1ee3ng n\u01b0\u1edbc trong c\u00e1c th\u00e1p gi\u1ea3i nhi\u1ec7t, chiller \u0111\u1ec3 t\u1ed1i \u01b0u h\u00f3a hi\u1ec7u qu\u1ea3 n\u0103ng l\u01b0\u1ee3ng.<\/span><\/li>\n<\/ul>\n<h3><span class=\"ez-toc-section\" id=\"52_Dau_khi_va_Hoa_chat\"><\/span>5.2. D\u1ea7u kh\u00ed v\u00e0 H\u00f3a ch\u1ea5t<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ul>\n<li><b><span class=\"citation-275\">\u0110\u01b0\u1eddng \u1ed1ng d\u1eabn d\u1ea7u:<\/span><\/b><span class=\"citation-275 citation-end-275\"> \u0110o l\u01b0u l\u01b0\u1ee3ng d\u1ea7u th\u00f4 v\u00e0 c\u00e1c s\u1ea3n ph\u1ea9m x\u0103ng d\u1ea7u trong qu\u00e1 tr\u00ecnh v\u1eadn chuy\u1ec3n v\u00e0 chuy\u1ec3n giao th\u01b0\u01a1ng m\u1ea1i (custody transfer).<\/span><\/li>\n<li><b><span class=\"citation-274\">Nh\u00e0 m\u00e1y l\u1ecdc h\u00f3a d\u1ea7u:<\/span><\/b><span class=\"citation-274 citation-end-274\"> Ki\u1ec3m so\u00e1t ch\u00ednh x\u00e1c l\u01b0u l\u01b0\u1ee3ng c\u00e1c d\u00f2ng s\u1ea3n ph\u1ea9m trong qu\u00e1 tr\u00ecnh ch\u01b0ng c\u1ea5t v\u00e0 pha tr\u1ed9n, \u0111\u1ea3m b\u1ea3o an to\u00e0n v\u1eadn h\u00e0nh.<\/span><\/li>\n<li><b><span class=\"citation-273\">S\u1ea3n xu\u1ea5t h\u00f3a ch\u1ea5t:<\/span><\/b><span class=\"citation-273 citation-end-273\"> \u0110\u1ecbnh l\u01b0\u1ee3ng ch\u00ednh x\u00e1c c\u00e1c th\u00e0nh ph\u1ea7n h\u00f3a ch\u1ea5t \u0111\u1ec3 t\u1ea1o ra s\u1ea3n ph\u1ea9m \u0111\u00fang c\u00f4ng th\u1ee9c.<\/span><\/li>\n<\/ul>\n<h3><span class=\"ez-toc-section\" id=\"53_Dien_luc_va_Nang_luong\"><\/span>5.3. \u0110i\u1ec7n l\u1ef1c v\u00e0 N\u0103ng l\u01b0\u1ee3ng<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ul>\n<li><b><span class=\"citation-272\">Nh\u00e0 m\u00e1y nhi\u1ec7t \u0111i\u1ec7n:<\/span><\/b><span class=\"citation-272 citation-end-272\"> \u0110o l\u01b0\u1eddng l\u01b0u l\u01b0\u1ee3ng h\u01a1i n\u01b0\u1edbc \u00e1p su\u1ea5t cao \u0111\u1ebfn tuabin, gi\u00e1m s\u00e1t l\u01b0\u1ee3ng n\u01b0\u1edbc l\u00e0m m\u00e1t \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o hi\u1ec7u su\u1ea5t c\u1ee7a nh\u00e0 m\u00e1y.<\/span><\/li>\n<li><b><span class=\"citation-271\">L\u00f2 h\u01a1i c\u00f4ng nghi\u1ec7p:<\/span><\/b><span class=\"citation-271 citation-end-271\"> Ki\u1ec3m so\u00e1t l\u01b0\u1ee3ng n\u01b0\u1edbc c\u1ea5p v\u00e0 \u0111o l\u01b0u l\u01b0\u1ee3ng kh\u00ed th\u1ea3i.<\/span><\/li>\n<\/ul>\n<h3><span class=\"ez-toc-section\" id=\"54_Thuc_pham_va_Duoc_pham\"><\/span>5.4. Th\u1ef1c ph\u1ea9m v\u00e0 D\u01b0\u1ee3c ph\u1ea9m<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ul>\n<li><b><span class=\"citation-270\">Nh\u00e0 m\u00e1y bia, n\u01b0\u1edbc gi\u1ea3i kh\u00e1t:<\/span><\/b><span class=\"citation-270 citation-end-270\"> \u0110o l\u01b0\u1eddng ch\u00ednh x\u00e1c c\u00e1c th\u00e0nh ph\u1ea7n nh\u01b0 n\u01b0\u1edbc, siro, c\u1ed3n trong qu\u00e1 tr\u00ecnh pha tr\u1ed9n v\u00e0 l\u00ean men.<\/span><\/li>\n<li><b><span class=\"citation-269\">Ch\u1ebf bi\u1ebfn s\u1eefa:<\/span><\/b><span class=\"citation-269 citation-end-269\"> Ki\u1ec3m so\u00e1t l\u01b0u l\u01b0\u1ee3ng s\u1eefa v\u00e0 c\u00e1c s\u1ea3n ph\u1ea9m t\u1eeb s\u1eefa, \u0111\u1ea3m b\u1ea3o tu\u00e2n th\u1ee7 c\u00e1c ti\u00eau chu\u1ea9n v\u1ec7 sinh an to\u00e0n th\u1ef1c ph\u1ea9m.<\/span><\/li>\n<li><b><span class=\"citation-268\">S\u1ea3n xu\u1ea5t d\u01b0\u1ee3c ph\u1ea9m:<\/span><\/b><span class=\"citation-268 citation-end-268\"> \u0110\u1ea3m b\u1ea3o \u0111\u1ed9 ch\u00ednh x\u00e1c tuy\u1ec7t \u0111\u1ed1i trong vi\u1ec7c \u0111\u1ecbnh l\u01b0\u1ee3ng c\u00e1c th\u00e0nh ph\u1ea7n, tu\u00e2n th\u1ee7 nghi\u00eam ng\u1eb7t ti\u00eau chu\u1ea9n GMP (Good Manufacturing Practices).<\/span><\/li>\n<\/ul>\n<h2><span class=\"ez-toc-section\" id=\"6_Luu_y_khi_lua_chon_va_su_dung\"><\/span>6. L\u01b0u \u00fd khi l\u1ef1a ch\u1ecdn v\u00e0 s\u1eed d\u1ee5ng<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3><span class=\"ez-toc-section\" id=\"61_Yeu_to_can_xem_xet_khi_lua_chon\"><\/span>6.1. Y\u1ebfu t\u1ed1 c\u1ea7n xem x\u00e9t khi l\u1ef1a ch\u1ecdn<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ul>\n<li><b><span class=\"citation-267\">T\u00ednh ch\u1ea5t ch\u1ea5t l\u1ecfng:<\/span><\/b><span class=\"citation-267 citation-end-267\"> \u0110\u1ed9 d\u1eabn \u0111i\u1ec7n (cho \u0111\u1ed3ng h\u1ed3 \u0111i\u1ec7n t\u1eeb), \u0111\u1ed9 nh\u1edbt, nhi\u1ec7t \u0111\u1ed9, t\u00ednh \u0103n m\u00f2n.<\/span><\/li>\n<li><b>\u0110i\u1ec1u ki\u1ec7n v\u1eadn h\u00e0nh:<\/b> \u00c1p su\u1ea5t t\u1ed1i \u0111a, d\u1ea3i l\u01b0u l\u01b0\u1ee3ng d\u1ef1 ki\u1ebfn (min\/max).<\/li>\n<li><b>M\u00f4i tr\u01b0\u1eddng l\u1eafp \u0111\u1eb7t:<\/b> Kh\u00f4ng gian c\u00f3 \u0111\u1ee7 cho \u0111o\u1ea1n \u1ed1ng th\u1eb3ng y\u00eau c\u1ea7u kh\u00f4ng, c\u00f3 \u0111\u1ed9 rung ho\u1eb7c nhi\u1ec5u \u0111i\u1ec7n t\u1eeb kh\u00f4ng.<\/li>\n<li><b>Y\u00eau c\u1ea7u \u0111\u1ed9 ch\u00ednh x\u00e1c:<\/b> C\u00e1c \u1ee9ng d\u1ee5ng chuy\u1ec3n giao th\u01b0\u01a1ng m\u1ea1i \u0111\u00f2i h\u1ecfi \u0111\u1ed9 ch\u00ednh x\u00e1c cao nh\u1ea5t (\u00b10.2%), trong khi c\u00e1c \u1ee9ng d\u1ee5ng gi\u00e1m s\u00e1t c\u00f3 th\u1ec3 ch\u1ea5p nh\u1eadn \u0111\u1ed9 ch\u00ednh x\u00e1c th\u1ea5p h\u01a1n (\u00b12%).<\/li>\n<li><b>Ng\u00e2n s\u00e1ch:<\/b> Chi ph\u00ed cho m\u1ed9t chi\u1ebfc flow meter c\u00f3 th\u1ec3 dao \u0111\u1ed9ng t\u1eeb v\u00e0i tr\u0103m \u0111\u1ebfn h\u00e0ng ch\u1ee5c ngh\u00ecn USD t\u00f9y c\u00f4ng ngh\u1ec7 v\u00e0 k\u00edch th\u01b0\u1edbc.<\/li>\n<\/ul>\n<h3><span class=\"ez-toc-section\" id=\"62_Lap_dat_va_bao_tri\"><\/span>6.2. L\u1eafp \u0111\u1eb7t v\u00e0 b\u1ea3o tr\u00ec<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ul>\n<li><b><span class=\"citation-266\">\u0110o\u1ea1n \u1ed1ng th\u1eb3ng:<\/span><\/b><span class=\"citation-266 citation-end-266\"> H\u1ea7u h\u1ebft c\u00e1c lo\u1ea1i flow meter \u0111\u1ec1u y\u00eau c\u1ea7u m\u1ed9t \u0111o\u1ea1n \u1ed1ng th\u1eb3ng nh\u1ea5t \u0111\u1ecbnh tr\u01b0\u1edbc v\u00e0 sau \u0111\u1ed3ng h\u1ed3 (th\u01b0\u1eddng l\u00e0 5-10 l\u1ea7n \u0111\u01b0\u1eddng k\u00ednh \u1ed1ng \u1edf ph\u00eda tr\u01b0\u1edbc v\u00e0 3-5 l\u1ea7n \u1edf ph\u00eda sau) \u0111\u1ec3 d\u00f2ng ch\u1ea3y \u1ed5n \u0111\u1ecbnh v\u00e0 \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 ch\u00ednh x\u00e1c.<\/span><\/li>\n<li><b>H\u01b0\u1edbng l\u1eafp \u0111\u1eb7t:<\/b> \u01afu ti\u00ean l\u1eafp \u0111\u1eb7t tr\u00ean \u0111\u01b0\u1eddng \u1ed1ng n\u1eb1m ngang. <span class=\"citation-265 citation-end-265\">N\u1ebfu l\u1eafp tr\u00ean \u1ed1ng th\u1eb3ng \u0111\u1ee9ng, d\u00f2ng ch\u1ea3y ph\u1ea3i \u0111i t\u1eeb d\u01b0\u1edbi l\u00ean tr\u00ean \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o \u1ed1ng lu\u00f4n \u0111\u1ea7y ch\u1ea5t l\u1ecfng.<\/span><\/li>\n<li><b>Hi\u1ec7u chu\u1ea9n:<\/b> C\u1ea7n th\u1ef1c hi\u1ec7n hi\u1ec7u chu\u1ea9n \u0111\u1ecbnh k\u1ef3 theo khuy\u1ebfn ngh\u1ecb c\u1ee7a nh\u00e0 s\u1ea3n xu\u1ea5t \u0111\u1ec3 duy tr\u00ec \u0111\u1ed9 ch\u00ednh x\u00e1c c\u1ee7a thi\u1ebft b\u1ecb.<\/li>\n<\/ul>\n<h2><span class=\"ez-toc-section\" id=\"7_Xu_huong_phat_trien\"><\/span>7. Xu h\u01b0\u1edbng ph\u00e1t tri\u1ec3n<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3><span class=\"ez-toc-section\" id=\"71_Cong_nghe_thong_minh\"><\/span>7.1. C\u00f4ng ngh\u1ec7 th\u00f4ng minh<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ul>\n<li><b>T\u00edch h\u1ee3p IoT:<\/b> C\u00e1c flow meter hi\u1ec7n \u0111\u1ea1i c\u00f3 kh\u1ea3 n\u0103ng k\u1ebft n\u1ed1i Internet, cho ph\u00e9p ng\u01b0\u1eddi d\u00f9ng gi\u00e1m s\u00e1t d\u1eef li\u1ec7u t\u1eeb xa qua \u0111i\u1ec7n tho\u1ea1i ho\u1eb7c m\u00e1y t\u00ednh.<\/li>\n<li><b>AI v\u00e0 Machine Learning:<\/b> Tr\u00ed tu\u1ec7 nh\u00e2n t\u1ea1o \u0111\u01b0\u1ee3c \u1ee9ng d\u1ee5ng \u0111\u1ec3 t\u1ef1 ch\u1ea9n \u0111o\u00e1n l\u1ed7i, ph\u00e2n t\u00edch xu h\u01b0\u1edbng v\u00e0 d\u1ef1 \u0111o\u00e1n th\u1eddi \u0111i\u1ec3m c\u1ea7n b\u1ea3o tr\u00ec, gi\u1ea3m thi\u1ec3u th\u1eddi gian d\u1eebng m\u00e1y.<\/li>\n<li><b><span class=\"citation-264\">Truy\u1ec1n th\u00f4ng kh\u00f4ng d\u00e2y:<\/span><\/b><span class=\"citation-264 citation-end-264\"> C\u00e1c c\u00f4ng ngh\u1ec7 nh\u01b0 GPRS, LoRaWAN cho ph\u00e9p truy\u1ec1n d\u1eef li\u1ec7u kh\u00f4ng d\u00e2y, lo\u1ea1i b\u1ecf chi ph\u00ed \u0111i d\u00e2y ph\u1ee9c t\u1ea1p.<\/span><\/li>\n<\/ul>\n<h3><span class=\"ez-toc-section\" id=\"72_Cai_tien_ky_thuat\"><\/span>7.2. C\u1ea3i ti\u1ebfn k\u1ef9 thu\u1eadt<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ul>\n<li><b>\u0110\u1ed9 ch\u00ednh x\u00e1c cao h\u01a1n:<\/b> C\u00e1c thu\u1eadt to\u00e1n x\u1eed l\u00fd t\u00edn hi\u1ec7u ti\u00ean ti\u1ebfn v\u00e0 c\u1ea3m bi\u1ebfn si\u00eau nh\u1ea1y gi\u00fap n\u00e2ng cao \u0111\u1ed9 ch\u00ednh x\u00e1c \u0111o l\u01b0\u1eddng.<\/li>\n<li><b>V\u1eadt li\u1ec7u m\u1edbi:<\/b> S\u1eed d\u1ee5ng c\u00e1c v\u1eadt li\u1ec7u composite, g\u1ed1m k\u1ef9 thu\u1eadt gi\u00fap t\u0103ng kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n v\u00e0 \u0111\u1ed9 b\u1ec1n c\u01a1 h\u1ecdc.<\/li>\n<\/ul>\n<h2><span class=\"ez-toc-section\" id=\"Ket_luan\"><\/span>K\u1ebft lu\u1eadn<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u0110\u1ed3ng h\u1ed3 \u0111o l\u01b0u l\u01b0\u1ee3ng n\u01b0\u1edbc Flow Meter \u0111\u00e3 v\u00e0 \u0111ang ch\u1ee9ng t\u1ecf vai tr\u00f2 kh\u00f4ng th\u1ec3 thi\u1ebfu trong vi\u1ec7c qu\u1ea3n l\u00fd v\u00e0 t\u1ed1i \u01b0u h\u00f3a c\u00e1c h\u1ec7 th\u1ed1ng ch\u1ea5t l\u1ecfng. Vi\u1ec7c hi\u1ec3u r\u00f5 nguy\u00ean l\u00fd, \u0111\u1eb7c \u0111i\u1ec3m c\u1ee7a t\u1eebng lo\u1ea1i v\u00e0 c\u00e1c y\u1ebfu t\u1ed1 c\u1ea7n c\u00e2n nh\u1eafc khi l\u1ef1a ch\u1ecdn s\u1ebd gi\u00fap b\u1ea1n t\u00ecm ra gi\u1ea3i ph\u00e1p \u0111o l\u01b0\u1eddng hi\u1ec7u qu\u1ea3, ch\u00ednh x\u00e1c v\u00e0 kinh t\u1ebf nh\u1ea5t cho \u1ee9ng d\u1ee5ng c\u1ee7a m\u00ecnh. V\u1edbi s\u1ef1 ph\u00e1t tri\u1ec3n kh\u00f4ng ng\u1eebng c\u1ee7a c\u00f4ng ngh\u1ec7 th\u00f4ng minh v\u00e0 k\u1ef9 thu\u1eadt v\u1eadt li\u1ec7u, c\u00e1c th\u1ebf h\u1ec7 flow meter t\u01b0\u01a1ng lai h\u1ee9a h\u1eb9n s\u1ebd c\u00f2n mang l\u1ea1i nhi\u1ec1u gi\u00e1 tr\u1ecb h\u01a1n n\u1eefa cho ng\u00e0nh c\u00f4ng nghi\u1ec7p v\u00e0 \u0111\u1eddi s\u1ed1ng.<\/p>\n<p>N\u1ebfu b\u1ea1n c\u1ea7n t\u01b0 v\u1ea5n chuy\u00ean s\u00e2u h\u01a1n \u0111\u1ec3 l\u1ef1a ch\u1ecdn <b>\u0111\u1ed3ng h\u1ed3 \u0111o l\u01b0u l\u01b0\u1ee3ng n\u01b0\u1edbc<\/b> ph\u00f9 h\u1ee3p nh\u1ea5t, \u0111\u1eebng ng\u1ea7n ng\u1ea1i li\u00ean h\u1ec7 v\u1edbi \u0111\u1ed9i ng\u0169 k\u1ef9 s\u01b0 c\u1ee7a ch\u00fang t\u00f4i \u0111\u1ec3 nh\u1eadn \u0111\u01b0\u1ee3c s\u1ef1 h\u1ed7 tr\u1ee3 t\u1eadn t\u00ecnh.<\/p>","protected":false},"excerpt":{"rendered":"<p>\u0110\u1ed3ng h\u1ed3 \u0111o l\u01b0u l\u01b0\u1ee3ng n\u01b0\u1edbc hay Flow Meter l\u00e0 thi\u1ebft b\u1ecb \u0111o l\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh<\/p>","protected":false},"author":1,"featured_media":17413,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[35],"tags":[],"class_list":["post-17412","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-tin-tuc"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v24.5 (Yoast SEO v25.8) - 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