{"id":19119,"date":"2024-05-31T10:13:06","date_gmt":"2024-05-31T02:13:06","guid":{"rendered":"https:\/\/chimaytech.net\/?p=19119"},"modified":"2024-05-31T13:21:12","modified_gmt":"2024-05-31T05:21:12","slug":"what-is-vortex-flow-transmitter","status":"publish","type":"post","link":"https:\/\/chimaytech.net\/vi\/what-is-vortex-flow-transmitter\/","title":{"rendered":"m\u00e1y ph\u00e1t d\u00f2ng xo\u00e1y l\u00e0 g\u00ec"},"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:\/\/chimaytech.net\/vi\/what-is-vortex-flow-transmitter\/#Gioi_thieu_ve_Bo_truyen_dong_xoay\" title=\"Gi\u1edbi thi\u1ec7u v\u1ec1 B\u1ed9 truy\u1ec1n d\u00f2ng xo\u00e1y:\">Gi\u1edbi thi\u1ec7u v\u1ec1 B\u1ed9 truy\u1ec1n d\u00f2ng xo\u00e1y:<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-1'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/chimaytech.net\/vi\/what-is-vortex-flow-transmitter\/#%E2%80%93_May_phat_dong_xoay_la_loai_may_do_luu_luong_dung_de_do_toc_do_dong_chay_cua_chat_long_chang_han_nhu_khi_hoac_chat_long_trong_duong_ong_hoac_ong_dan_No_hoat_dong_dua_tren_nguyen_ly_cua_hieu_ung_von_Karman_trong_do_phat_bieu_rang_khi_mot_chat_long_chay_qua_mot_vat_the_vo_toi_va_chang_han_nhu_mot_canh_quat_hoac_mot_thanh_cac_xoay_xen_ke_se_thoat_ra_khoi_vat_the_Tan_so_cua_cac_xoay_nay_ty_le_thuan_voi_toc_do_dong_chay_cho_phep_do_toc_do_dong_chay\" title=\"&#8211; M\u00e1y ph\u00e1t d\u00f2ng xo\u00e1y l\u00e0 lo\u1ea1i m\u00e1y \u0111o l\u01b0u l\u01b0\u1ee3ng d\u00f9ng \u0111\u1ec3 \u0111o t\u1ed1c \u0111\u1ed9 d\u00f2ng ch\u1ea3y c\u1ee7a ch\u1ea5t l\u1ecfng, ch\u1eb3ng h\u1ea1n nh\u01b0 kh\u00ed ho\u1eb7c ch\u1ea5t l\u1ecfng, trong \u0111\u01b0\u1eddng \u1ed1ng ho\u1eb7c \u1ed1ng d\u1eabn. N\u00f3 ho\u1ea1t \u0111\u1ed9ng d\u1ef1a tr\u00ean nguy\u00ean l\u00fd c\u1ee7a hi\u1ec7u \u1ee9ng von K\u00e1rm\u00e1n, trong \u0111\u00f3 ph\u00e1t bi\u1ec3u r\u1eb1ng khi m\u1ed9t ch\u1ea5t l\u1ecfng ch\u1ea3y qua m\u1ed9t v\u1eadt th\u1ec3 v\u00f4 t\u1ed9i v\u1ea1, ch\u1eb3ng h\u1ea1n nh\u01b0 m\u1ed9t c\u00e1nh qu\u1ea1t ho\u1eb7c m\u1ed9t thanh, c\u00e1c xo\u00e1y xen k\u1ebd s\u1ebd tho\u00e1t ra kh\u1ecfi v\u1eadt th\u1ec3. T\u1ea7n s\u1ed1 c\u1ee7a c\u00e1c xo\u00e1y n\u00e0y t\u1ef7 l\u1ec7 thu\u1eadn v\u1edbi t\u1ed1c \u0111\u1ed9 d\u00f2ng ch\u1ea3y, cho ph\u00e9p \u0111o t\u1ed1c \u0111\u1ed9 d\u00f2ng ch\u1ea3y\">&#8211; M\u00e1y ph\u00e1t d\u00f2ng xo\u00e1y l\u00e0 lo\u1ea1i m\u00e1y \u0111o l\u01b0u l\u01b0\u1ee3ng d\u00f9ng \u0111\u1ec3 \u0111o t\u1ed1c \u0111\u1ed9 d\u00f2ng ch\u1ea3y c\u1ee7a ch\u1ea5t l\u1ecfng, ch\u1eb3ng h\u1ea1n nh\u01b0 kh\u00ed ho\u1eb7c ch\u1ea5t l\u1ecfng, trong \u0111\u01b0\u1eddng \u1ed1ng ho\u1eb7c \u1ed1ng d\u1eabn. N\u00f3 ho\u1ea1t \u0111\u1ed9ng d\u1ef1a tr\u00ean nguy\u00ean l\u00fd c\u1ee7a hi\u1ec7u \u1ee9ng von K\u00e1rm\u00e1n, trong \u0111\u00f3 ph\u00e1t bi\u1ec3u r\u1eb1ng khi m\u1ed9t ch\u1ea5t l\u1ecfng ch\u1ea3y qua m\u1ed9t v\u1eadt th\u1ec3 v\u00f4 t\u1ed9i v\u1ea1, ch\u1eb3ng h\u1ea1n nh\u01b0 m\u1ed9t c\u00e1nh qu\u1ea1t ho\u1eb7c m\u1ed9t thanh, c\u00e1c xo\u00e1y xen k\u1ebd s\u1ebd tho\u00e1t ra kh\u1ecfi v\u1eadt th\u1ec3. T\u1ea7n s\u1ed1 c\u1ee7a c\u00e1c xo\u00e1y n\u00e0y t\u1ef7 l\u1ec7 thu\u1eadn v\u1edbi t\u1ed1c \u0111\u1ed9 d\u00f2ng ch\u1ea3y, cho ph\u00e9p \u0111o t\u1ed1c \u0111\u1ed9 d\u00f2ng ch\u1ea3y<\/a><\/li><\/ul><\/nav><\/div>\n<h1 id=\"introduction-to-vortex-flow-transmitter-wpaicgheading\"><span class=\"ez-toc-section\" id=\"Gioi_thieu_ve_Bo_truyen_dong_xoay\"><\/span>Gi\u1edbi thi\u1ec7u v\u1ec1 B\u1ed9 truy\u1ec1n d\u00f2ng xo\u00e1y:<span class=\"ez-toc-section-end\"><\/span><\/h1>\n<p>\nM\u00e1y ph\u00e1t d\u00f2ng xo\u00e1y l\u00e0 m\u1ed9t lo\u1ea1i m\u00e1y \u0111o l\u01b0u l\u01b0\u1ee3ng \u0111o l\u01b0u l\u01b0\u1ee3ng ch\u1ea5t l\u1ecfng, kh\u00ed v\u00e0 h\u01a1i n\u01b0\u1edbc b\u1eb1ng nguy\u00ean l\u00fd \u0111\u1ed5 xo\u00e1y. C\u00f4ng ngh\u1ec7 n\u00e0y \u0111\u00e3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong c\u00e1c ng\u00e0nh c\u00f4ng nghi\u1ec7p kh\u00e1c nhau v\u00ec \u0111\u1ed9 ch\u00ednh x\u00e1c, \u0111\u1ed9 tin c\u1eady v\u00e0 t\u00ednh linh ho\u1ea1t c\u1ee7a n\u00f3. Trong b\u00e0i vi\u1ebft n\u00e0y, ch\u00fang t\u00f4i s\u1ebd gi\u1edbi thi\u1ec7u v\u1ec1 thi\u1ebft b\u1ecb truy\u1ec1n d\u00f2ng xo\u00e1y, gi\u1ea3i th\u00edch nguy\u00ean l\u00fd l\u00e0m vi\u1ec7c, \u1ee9ng d\u1ee5ng v\u00e0 l\u1ee3i \u00edch c\u1ee7a ch\u00fang.<\/p>\n<p>\n<img decoding=\"async\" src=\"https:\/\/chimaytech.net\/wp-content\/uploads\/2023\/11\/ROC-2315.jpg\" alt=\"alt-621\" class=\"wp-image-621\" id=\"i621\" \/><br \/>\nB\u1ed9 truy\u1ec1n d\u00f2ng xo\u00e1y d\u1ef1a tr\u00ean hi\u1ec7u \u1ee9ng Von K\u00e1rm\u00e1n, cho bi\u1ebft khi m\u1ed9t ch\u1ea5t l\u1ecfng \u0111i qua m\u1ed9t v\u1eadt th\u1ec3 v\u00f4 t\u1ed9i v\u1ea1, ch\u1eb3ng h\u1ea1n nh\u01b0 thanh \u0111\u1ed5 ho\u1eb7c t\u1ea5m v\u00f4 t\u1ed9i v\u1ea1, n\u00f3 s\u1ebd t\u1ea1o ra c\u00e1c d\u00f2ng xo\u00e1y xen k\u1ebd \u1edf h\u1ea1 l\u01b0u. Nh\u1eefng xo\u00e1y n\u00e0y \u0111\u01b0\u1ee3c t\u1ea1o ra theo m\u1ed9t m\u00f4 h\u00ecnh \u0111\u1ec1u \u0111\u1eb7n v\u00e0 t\u1ea7n s\u1ed1 c\u1ee7a ch\u00fang t\u1ef7 l\u1ec7 thu\u1eadn v\u1edbi v\u1eadn t\u1ed1c ch\u1ea5t l\u1ecfng. B\u1eb1ng c\u00e1ch ph\u00e1t hi\u1ec7n v\u00e0 \u0111\u1ebfm c\u00e1c xo\u00e1y n\u00e0y, t\u1ed1c \u0111\u1ed9 d\u00f2ng ch\u1ea3y c\u1ee7a ch\u1ea5t l\u1ecfng c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c \u0111o ch\u00ednh x\u00e1c.<\/p>\n<p>M\u1ed9t trong nh\u1eefng th\u00e0nh ph\u1ea7n ch\u00ednh c\u1ee7a b\u1ed9 truy\u1ec1n d\u00f2ng xo\u00e1y l\u00e0 c\u1ea3m bi\u1ebfn, \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 ph\u00e1t hi\u1ec7n c\u00e1c xo\u00e1y v\u00e0 chuy\u1ec3n \u0111\u1ed5i th\u00f4ng tin n\u00e0y th\u00e0nh t\u1ed1c \u0111\u1ed9 d\u00f2ng ch\u1ea3y. C\u1ea3m bi\u1ebfn th\u01b0\u1eddng bao g\u1ed3m m\u1ed9t tinh th\u1ec3 \u00e1p \u0111i\u1ec7n ho\u1eb7c c\u1ea3m bi\u1ebfn \u00e1p su\u1ea5t, ph\u1ea3n \u1ee9ng v\u1edbi s\u1ef1 dao \u0111\u1ed9ng \u00e1p su\u1ea5t do xo\u00e1y g\u00e2y ra. T\u00edn hi\u1ec7u n\u00e0y sau \u0111\u00f3 \u0111\u01b0\u1ee3c b\u1ed9 ph\u00e1t x\u1eed l\u00fd \u0111\u1ec3 cung c\u1ea5p \u0111\u1ea7u ra t\u1ef7 l\u1ec7 v\u1edbi t\u1ed1c \u0111\u1ed9 d\u00f2ng ch\u1ea3y.<\/p>\n<div class=\"entry-content-asset videofit\"><iframe loading=\"lazy\" title=\"Conductivity resistivity controller CCT 5320E\" width=\"720\" height=\"405\" src=\"https:\/\/www.youtube.com\/embed\/rV-JowRFEeE?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe><\/div>\n<p>B\u1ed9 truy\u1ec1n d\u00f2ng xo\u00e1y ph\u00f9 h\u1ee3p cho nhi\u1ec1u \u1ee9ng d\u1ee5ng, bao g\u1ed3m nh\u01b0ng kh\u00f4ng gi\u1edbi h\u1ea1n \u1edf x\u1eed l\u00fd h\u00f3a ch\u1ea5t, d\u1ea7u kh\u00ed, s\u1ea3n xu\u1ea5t \u0111i\u1ec7n, n\u01b0\u1edbc v\u00e0 n\u01b0\u1edbc th\u1ea3i c\u0169ng nh\u01b0 h\u1ec7 th\u1ed1ng HVAC. Ch\u00fang c\u00f3 th\u1ec3 \u0111o l\u01b0u l\u01b0\u1ee3ng c\u1ee7a nhi\u1ec1u ch\u1ea5t l\u1ecfng kh\u00e1c nhau, bao g\u1ed3m ch\u1ea5t l\u1ecfng, kh\u00ed v\u00e0 h\u01a1i n\u01b0\u1edbc, khi\u1ebfn ch\u00fang tr\u1edf n\u00ean linh ho\u1ea1t trong c\u00e1c ng\u00e0nh c\u00f4ng nghi\u1ec7p kh\u00e1c nhau.<\/p>\n<p>M\u1ed9t trong nh\u1eefng \u01b0u \u0111i\u1ec3m ch\u00ednh c\u1ee7a m\u00e1y truy\u1ec1n d\u00f2ng xo\u00e1y l\u00e0 \u0111\u1ed9 ch\u00ednh x\u00e1c c\u1ee7a ch\u00fang. Ch\u00fang c\u00f3 th\u1ec3 cung c\u1ea5p c\u00e1c ph\u00e9p \u0111o ch\u00ednh x\u00e1c ngay c\u1ea3 trong nh\u1eefng \u0111i\u1ec1u ki\u1ec7n kh\u00f3 kh\u0103n, ch\u1eb3ng h\u1ea1n nh\u01b0 nhi\u1ec7t \u0111\u1ed9 cao, \u00e1p su\u1ea5t cao v\u00e0 ch\u1ea5t l\u1ecfng c\u00f3 t\u00ednh \u0103n m\u00f2n cao. Ngo\u00e0i ra, ch\u00fang c\u00f3 \u0111\u1ed9 nh\u1ea1y th\u1ea5p tr\u01b0\u1edbc nh\u1eefng thay \u0111\u1ed5i v\u1ec1 \u0111\u1eb7c t\u00ednh ch\u1ea5t l\u1ecfng, khi\u1ebfn ch\u00fang tr\u1edf n\u00ean \u0111\u00e1ng tin c\u1eady trong c\u00e1c \u0111i\u1ec1u ki\u1ec7n v\u1eadn h\u00e0nh kh\u00e1c nhau.<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/chimaytech.net\/wp-content\/uploads\/2024\/05\/CCT-8301A-Conductivity-Resistivity-Online-Controller-Spec.png\" alt=\"alt-628\" class=\"wp-image-628\" id=\"i628\" \/><\/p>\n<p>H\u01a1n n\u1eefa, thi\u1ebft b\u1ecb truy\u1ec1n d\u00f2ng xo\u00e1y \u0111\u01b0\u1ee3c bi\u1ebft \u0111\u1ebfn v\u1edbi y\u00eau c\u1ea7u b\u1ea3o tr\u00ec th\u1ea5p v\u00e0 \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh l\u00e2u d\u00e0i. Kh\u00f4ng c\u00f3 b\u1ed9 ph\u1eadn chuy\u1ec3n \u0111\u1ed9ng trong d\u00f2ng ch\u1ea5t l\u1ecfng, ch\u00fang \u00edt b\u1ecb hao m\u00f2n h\u01a1n, gi\u1ea3m nhu c\u1ea7u b\u1ea3o tr\u00ec th\u01b0\u1eddng xuy\u00ean. \u0110i\u1ec1u n\u00e0y gi\u00fap gi\u1ea3m chi ph\u00ed v\u00f2ng \u0111\u1eddi v\u00e0 t\u0103ng hi\u1ec7u qu\u1ea3 ho\u1ea1t \u0111\u1ed9ng cho ng\u01b0\u1eddi d\u00f9ng cu\u1ed1i.<\/p>\n<p>T\u00f3m l\u1ea1i, thi\u1ebft b\u1ecb truy\u1ec1n d\u00f2ng xo\u00e1y l\u00e0 m\u1ed9t c\u00f4ng c\u1ee5 c\u00f3 gi\u00e1 tr\u1ecb \u0111\u1ec3 \u0111o d\u00f2ng ch\u1ea5t l\u1ecfng trong c\u00e1c quy tr\u00ecnh c\u00f4ng nghi\u1ec7p. Nguy\u00ean l\u00fd ho\u1ea1t \u0111\u1ed9ng, \u0111\u1ed9 ch\u00ednh x\u00e1c, t\u00ednh linh ho\u1ea1t v\u00e0 y\u00eau c\u1ea7u b\u1ea3o tr\u00ec th\u1ea5p khi\u1ebfn ch\u00fang tr\u1edf th\u00e0nh l\u1ef1a ch\u1ecdn \u01b0u ti\u00ean cho nhi\u1ec1u \u1ee9ng d\u1ee5ng. Khi c\u00f4ng ngh\u1ec7 ti\u1ebfp t\u1ee5c ph\u00e1t tri\u1ec3n, thi\u1ebft b\u1ecb truy\u1ec1n d\u00f2ng xo\u00e1y c\u00f3 th\u1ec3 v\u1eabn l\u00e0 m\u1ed9t c\u00f4ng c\u1ee5 quan tr\u1ecdng trong l\u0129nh v\u1ef1c \u0111o d\u00f2ng ch\u1ea3y, cung c\u1ea5p d\u1eef li\u1ec7u ch\u00ednh x\u00e1c v\u00e0 \u0111\u00e1ng tin c\u1eady cho c\u00e1c quy tr\u00ecnh c\u00f4ng nghi\u1ec7p kh\u00e1c nhau.<\/p>\n<h1 id=\"a-vortex-flow-transmitter-is-a-type-of-flow-meter-used-to-measure-the-flow-rate-of-fluids-such-as-gas-or-liquid-in-a-pipe-or-duct-it-operates-based-on-the-principle-of-the-von-karman-effect-whic-wpaicgheading\"><span class=\"ez-toc-section\" id=\"%E2%80%93_May_phat_dong_xoay_la_loai_may_do_luu_luong_dung_de_do_toc_do_dong_chay_cua_chat_long_chang_han_nhu_khi_hoac_chat_long_trong_duong_ong_hoac_ong_dan_No_hoat_dong_dua_tren_nguyen_ly_cua_hieu_ung_von_Karman_trong_do_phat_bieu_rang_khi_mot_chat_long_chay_qua_mot_vat_the_vo_toi_va_chang_han_nhu_mot_canh_quat_hoac_mot_thanh_cac_xoay_xen_ke_se_thoat_ra_khoi_vat_the_Tan_so_cua_cac_xoay_nay_ty_le_thuan_voi_toc_do_dong_chay_cho_phep_do_toc_do_dong_chay\"><\/span>&#8211; M\u00e1y ph\u00e1t d\u00f2ng xo\u00e1y l\u00e0 lo\u1ea1i m\u00e1y \u0111o l\u01b0u l\u01b0\u1ee3ng d\u00f9ng \u0111\u1ec3 \u0111o t\u1ed1c \u0111\u1ed9 d\u00f2ng ch\u1ea3y c\u1ee7a ch\u1ea5t l\u1ecfng, ch\u1eb3ng h\u1ea1n nh\u01b0 kh\u00ed ho\u1eb7c ch\u1ea5t l\u1ecfng, trong \u0111\u01b0\u1eddng \u1ed1ng ho\u1eb7c \u1ed1ng d\u1eabn. N\u00f3 ho\u1ea1t \u0111\u1ed9ng d\u1ef1a tr\u00ean nguy\u00ean l\u00fd c\u1ee7a hi\u1ec7u \u1ee9ng von K\u00e1rm\u00e1n, trong \u0111\u00f3 ph\u00e1t bi\u1ec3u r\u1eb1ng khi m\u1ed9t ch\u1ea5t l\u1ecfng ch\u1ea3y qua m\u1ed9t v\u1eadt th\u1ec3 v\u00f4 t\u1ed9i v\u1ea1, ch\u1eb3ng h\u1ea1n nh\u01b0 m\u1ed9t c\u00e1nh qu\u1ea1t ho\u1eb7c m\u1ed9t thanh, c\u00e1c xo\u00e1y xen k\u1ebd s\u1ebd tho\u00e1t ra kh\u1ecfi v\u1eadt th\u1ec3. T\u1ea7n s\u1ed1 c\u1ee7a c\u00e1c xo\u00e1y n\u00e0y t\u1ef7 l\u1ec7 thu\u1eadn v\u1edbi t\u1ed1c \u0111\u1ed9 d\u00f2ng ch\u1ea3y, cho ph\u00e9p \u0111o t\u1ed1c \u0111\u1ed9 d\u00f2ng ch\u1ea3y<span class=\"ez-toc-section-end\"><\/span><\/h1>\n<p>\nM\u00e1y ph\u00e1t d\u00f2ng xo\u00e1y l\u00e0 m\u1ed9t lo\u1ea1i m\u00e1y \u0111o l\u01b0u l\u01b0\u1ee3ng th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 \u0111o t\u1ed1c \u0111\u1ed9 d\u00f2ng ch\u1ea3y c\u1ee7a ch\u1ea5t l\u1ecfng, cho d\u00f9 \u0111\u00f3 l\u00e0 kh\u00ed hay ch\u1ea5t l\u1ecfng, trong \u0111\u01b0\u1eddng \u1ed1ng ho\u1eb7c \u1ed1ng d\u1eabn. N\u00f3 ho\u1ea1t \u0111\u1ed9ng d\u1ef1a tr\u00ean nguy\u00ean l\u00fd hi\u1ec7u \u1ee9ng von K\u00e1rm\u00e1n, \u0111\u00f3 l\u00e0 m\u1ed9t hi\u1ec7n t\u01b0\u1ee3ng trong \u0111\u00f3 c\u00e1c xo\u00e1y xen k\u1ebd \u0111\u01b0\u1ee3c t\u1ea1o ra t\u1eeb m\u1ed9t v\u1eadt th\u1ec3 v\u00f4 t\u1ed9i v\u1ea1, ch\u1eb3ng h\u1ea1n nh\u01b0 c\u00e1nh qu\u1ea1t ho\u1eb7c thanh, khi ch\u1ea5t l\u1ecfng ch\u1ea3y qua n\u00f3. Nh\u1eefng xo\u00e1y n\u00e0y \u0111\u01b0\u1ee3c t\u1ea1o ra \u1edf t\u1ea7n s\u1ed1 t\u1ef7 l\u1ec7 thu\u1eadn v\u1edbi v\u1eadn t\u1ed1c d\u00f2ng ch\u1ea3y, cho ph\u00e9p \u0111o t\u1ed1c \u0111\u1ed9 d\u00f2ng ch\u1ea3y.<\/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 \u0111\u1ed9 d\u1eabn \u0111i\u1ec7n tr\u1ef1c tuy\u1ebfn EC-1800<\/td>\n<\/tr>\n<tr>\n<td rowspan=\"2\">Ph\u1ea1m vi<\/td>\n<td>0-2000\/4000uS\/cm 0-20\/200mS\/cm<\/td>\n<\/tr>\n<tr>\n<td>0-1000\/2000PPM<\/td>\n<\/tr>\n<tr>\n<td>\u0110\u1ed9 ch\u00ednh x\u00e1c<\/td>\n<td>1,5% , 2% , 3% (FS)<\/td>\n<\/tr>\n<tr>\n<td>Nhi\u1ec7t \u0111\u1ed9. Comp.<\/td>\n<td>B\u00f9 nhi\u1ec7t \u0111\u1ed9 t\u1ef1 \u0111\u1ed9ng d\u1ef1a tr\u00ean 25\u2103<\/td>\n<\/tr>\n<tr>\n<td>Ho\u1ea1t \u0111\u1ed9ng. Nhi\u1ec7t \u0111\u1ed9<\/td>\n<td>B\u00ecnh th\u01b0\u1eddng 0\uff5e50\u2103; Nhi\u1ec7t \u0111\u1ed9 cao 0\uff5e120\u2103<\/td>\n<\/tr>\n<tr>\n<td>C\u1ea3m bi\u1ebfn<\/td>\n<td>C=0,1\/1,0\/10,0cm<sup>-1<\/sup><\/td>\n<\/tr>\n<tr>\n<td>Hi\u1ec3n th\u1ecb<\/td>\n<td>M\u00e0n h\u00ecnh LCD 128*64<\/td>\n<\/tr>\n<tr>\n<td>Giao ti\u1ebfp<\/td>\n<td>\u0110\u1ea7u ra 4-20mA\/2-10V\/1-5V\/RS485<\/td>\n<\/tr>\n<tr>\n<td>\u0110\u1ea7u ra<\/td>\n<td>\u0110i\u1ec1u khi\u1ec3n r\u01a1le k\u00e9p gi\u1edbi h\u1ea1n Cao\/Th\u1ea5p<\/td>\n<\/tr>\n<tr>\n<td>S\u1ee9c m\u1ea1nh<\/td>\n<td>AC 220V\u00b110 ph\u1ea7n tr\u0103m 50\/60Hz ho\u1eb7c AC 110V\u00b110 ph\u1ea7n tr\u0103m 50\/60Hz ho\u1eb7c DC24V\/0,5A<\/td>\n<\/tr>\n<tr>\n<td rowspan=\"2\">M\u00f4i tr\u01b0\u1eddng l\u00e0m vi\u1ec7c<\/td>\n<td>Nhi\u1ec7t \u0111\u1ed9 m\u00f4i tr\u01b0\u1eddng:0\uff5e50\u2103<\/td>\n<\/tr>\n<tr>\n<td>\u0110\u1ed9 \u1ea9m t\u01b0\u01a1ng \u0111\u1ed1i\u226485 ph\u1ea7n tr\u0103m<\/td>\n<\/tr>\n<tr>\n<td>K\u00edch th\u01b0\u1edbc<\/td>\n<td>96\u00d796\u00d7100mm(H\u00d7W\u00d7L)<\/td>\n<\/tr>\n<tr>\n<td>K\u00edch th\u01b0\u1edbc l\u1ed7<\/td>\n<td>92\u00d792mm(H\u00d7W)<\/td>\n<\/tr>\n<tr>\n<td>Ch\u1ebf \u0110\u1ed9 C\u00e0i \u0110\u1eb7t<\/td>\n<td>\u0110\u00e3 nh\u00fang<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/figure>\n<figure class=\"wp-block-table\">\n<table>\n<tbody>\n<tr>\n<td>M\u00f4 h\u00ecnh<\/td>\n<td>M\u00e1y \u0111o pH\/ORP-9500 pH\/ORP<\/td>\n<\/tr>\n<tr>\n<td>Ph\u1ea1m vi<\/td>\n<td>0-14 pH; -2000 &#8211; +2000mV<\/td>\n<\/tr>\n<tr>\n<td>\u0110\u1ed9 ch\u00ednh x\u00e1c<\/td>\n<td>\u00b10.1pH; \u00b12mV<\/td>\n<\/tr>\n<tr>\n<td>Nhi\u1ec7t \u0111\u1ed9. Comp.<\/td>\n<td>B\u00f9 nhi\u1ec7t \u0111\u1ed9 t\u1ef1 \u0111\u1ed9ng<\/td>\n<\/tr>\n<tr>\n<td>Ho\u1ea1t \u0111\u1ed9ng. Nhi\u1ec7t \u0111\u1ed9<\/td>\n<td>B\u00ecnh th\u01b0\u1eddng 0\uff5e50\u2103; Nhi\u1ec7t \u0111\u1ed9 cao 0\uff5e100\u2103<\/td>\n<\/tr>\n<tr>\n<td>C\u1ea3m bi\u1ebfn<\/td>\n<td>c\u1ea3m bi\u1ebfn pH \u0111\u00f4i\/ba; C\u1ea3m bi\u1ebfn ORP<\/td>\n<\/tr>\n<tr>\n<td>Hi\u1ec3n th\u1ecb<\/td>\n<td>M\u00e0n H\u00ecnh LCD<\/td>\n<\/tr>\n<tr>\n<td>Giao ti\u1ebfp<\/td>\n<td>\u0110\u1ea7u ra 4-20mA\/RS485<\/td>\n<\/tr>\n<tr>\n<td>\u0110\u1ea7u ra<\/td>\n<td>\u0110i\u1ec1u khi\u1ec3n r\u01a1le ba gi\u1edbi h\u1ea1n Cao\/Th\u1ea5p<\/td>\n<\/tr>\n<tr>\n<td>S\u1ee9c m\u1ea1nh<\/td>\n<td>AC 220V\u00b110 ph\u1ea7n tr\u0103m 50\/60Hz ho\u1eb7c AC 110V\u00b110 ph\u1ea7n tr\u0103m 50\/60Hz ho\u1eb7c DC24V\/0,5A<\/td>\n<\/tr>\n<tr>\n<td rowspan=\"2\">M\u00f4i tr\u01b0\u1eddng l\u00e0m vi\u1ec7c<\/td>\n<td>Nhi\u1ec7t \u0111\u1ed9 m\u00f4i tr\u01b0\u1eddng:0\uff5e50\u2103<\/td>\n<\/tr>\n<tr>\n<td>\u0110\u1ed9 \u1ea9m t\u01b0\u01a1ng \u0111\u1ed1i\u226485 ph\u1ea7n tr\u0103m<\/td>\n<\/tr>\n<tr>\n<td>K\u00edch th\u01b0\u1edbc<\/td>\n<td>96\u00d796\u00d7132mm(H\u00d7W\u00d7L)<\/td>\n<\/tr>\n<tr>\n<td>K\u00edch th\u01b0\u1edbc l\u1ed7<\/td>\n<td>92\u00d792mm(H\u00d7W)<\/td>\n<\/tr>\n<tr>\n<td>Ch\u1ebf \u0110\u1ed9 C\u00e0i \u0110\u1eb7t<\/td>\n<td>\u0110\u00e3 nh\u00fang<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/figure>\n<p>Hi\u1ec7u \u1ee9ng von K\u00e1rm\u00e1n l\u00e0 m\u1ed9t nguy\u00ean l\u00fd n\u1ed5i ti\u1ebfng trong \u0111\u1ed9ng l\u1ef1c h\u1ecdc ch\u1ea5t l\u1ecfng v\u00e0 \u0111\u01b0\u1ee3c \u0111\u1eb7t theo t\u00ean c\u1ee7a k\u1ef9 s\u01b0 ng\u01b0\u1eddi M\u1ef9 g\u1ed1c Hungary, Theodore von K\u00e1rm\u00e1n. \u00d4ng ph\u00e1t hi\u1ec7n ra r\u1eb1ng khi m\u1ed9t ch\u1ea5t l\u1ecfng ch\u1ea3y qua m\u1ed9t v\u1eadt th\u1ec3 v\u00f4 t\u1ed9i v\u1ea1, ch\u1eb3ng h\u1ea1n nh\u01b0 m\u1ed9t h\u00ecnh tr\u1ee5 ho\u1eb7c m\u1ed9t h\u00ecnh c\u1ea7u, n\u00f3 s\u1ebd t\u1ea1o ra m\u1ed9t lo\u1ea1t c\u00e1c xo\u00e1y xen k\u1ebd theo sau n\u00f3. Nh\u1eefng xo\u00e1y n\u00e0y \u0111\u01b0\u1ee3c h\u00ecnh th\u00e0nh do s\u1ef1 kh\u00e1c bi\u1ec7t v\u1ec1 \u00e1p su\u1ea5t \u1edf hai b\u00ean c\u01a1 th\u1ec3, t\u1ea1o ra m\u00f4 h\u00ecnh bong ra theo chu k\u1ef3.<br \/>\n[nh\u00fang]http:\/\/shchimay.com\/wp-content\/uploads\/2023\/11\/EC-9900-\u5927\u5c4f\u5e55-\u9ad8\u7cbe\u5ea6\u7535\u5bfc\u7387\u4eea.mp4[ \/nh\u00fang]<br \/>\nTrong tr\u01b0\u1eddng h\u1ee3p m\u00e1y ph\u00e1t d\u00f2ng xo\u00e1y, m\u1ed9t v\u1eadt th\u1ec3 v\u00f4 t\u1ed9i v\u1ea1 \u0111\u01b0\u1ee3c \u0111\u1eb7t trong \u0111\u01b0\u1eddng d\u1eabn d\u00f2ng ch\u1ea3y c\u1ee7a ch\u1ea5t l\u1ecfng \u0111\u01b0\u1ee3c \u0111o. C\u01a1 th\u1ec3 v\u00f4 t\u1ed9i v\u1ea1 n\u00e0y th\u01b0\u1eddng \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf nh\u01b0 m\u1ed9t c\u00e1nh qu\u1ea1t ho\u1eb7c m\u1ed9t thanh, v\u00e0 khi ch\u1ea5t l\u1ecfng ch\u1ea3y qua n\u00f3, c\u00e1c xo\u00e1y s\u1ebd tho\u00e1t ra kh\u1ecfi c\u01a1 th\u1ec3. T\u1ea7n s\u1ed1 m\u00e0 c\u00e1c xo\u00e1y n\u00e0y xu\u1ea5t hi\u1ec7n c\u00f3 li\u00ean quan tr\u1ef1c ti\u1ebfp \u0111\u1ebfn v\u1eadn t\u1ed1c c\u1ee7a d\u00f2ng ch\u1ea5t l\u1ecfng. B\u1eb1ng c\u00e1ch \u0111o t\u1ea7n s\u1ed1 c\u1ee7a c\u00e1c xo\u00e1y n\u00e0y, t\u1ed1c \u0111\u1ed9 d\u00f2ng ch\u1ea3y c\u1ee7a ch\u1ea5t l\u1ecfng c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh.<\/p>\n<p>Vi\u1ec7c \u0111o t\u1ea7n s\u1ed1 t\u1ea1o ra xo\u00e1y \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n b\u1eb1ng c\u1ea3m bi\u1ebfn, th\u01b0\u1eddng l\u00e0 tinh th\u1ec3 \u00e1p \u0111i\u1ec7n ho\u1eb7c m\u00e1y \u0111o bi\u1ebfn d\u1ea1ng. C\u1ea3m bi\u1ebfn \u0111\u01b0\u1ee3c \u0111\u1eb7t g\u1ea7n v\u1edbi ph\u1ea7n th\u00e2n v\u00f4 t\u1ed9i v\u1ea1 v\u00e0 n\u00f3 ph\u00e1t hi\u1ec7n c\u00e1c dao \u0111\u1ed9ng \u00e1p su\u1ea5t li\u00ean quan \u0111\u1ebfn c\u00e1c xo\u00e1y n\u01b0\u1edbc \u0111\u1ed5 ra. Sau \u0111\u00f3, nh\u1eefng dao \u0111\u1ed9ng \u00e1p su\u1ea5t n\u00e0y \u0111\u01b0\u1ee3c chuy\u1ec3n \u0111\u1ed5i th\u00e0nh t\u00edn hi\u1ec7u \u0111i\u1ec7n, t\u1ef7 l\u1ec7 thu\u1eadn v\u1edbi t\u1ea7n s\u1ed1 c\u1ee7a c\u00e1c xo\u00e1y.<\/p>\n<p>T\u00edn hi\u1ec7u \u0111i\u1ec7n t\u1eeb c\u1ea3m bi\u1ebfn sau \u0111\u00f3 \u0111\u01b0\u1ee3c x\u1eed l\u00fd b\u1edfi b\u1ed9 ph\u00e1t, th\u01b0\u1eddng bao g\u1ed3m m\u1ea1ch \u0111i\u1ec7n t\u1eed v\u00e0 b\u1ed9 vi x\u1eed l\u00fd. B\u1ed9 ph\u00e1t c\u0169ng c\u00f3 th\u1ec3 bao g\u1ed3m c\u00e1c th\u00e0nh ph\u1ea7n b\u1ed5 sung, ch\u1eb3ng h\u1ea1n nh\u01b0 m\u00e0n h\u00ecnh hi\u1ec3n th\u1ecb v\u00e0 giao di\u1ec7n truy\u1ec1n th\u00f4ng. B\u1ed9 vi x\u1eed l\u00fd t\u00ednh to\u00e1n t\u1ed1c \u0111\u1ed9 d\u00f2ng ch\u1ea3y d\u1ef1a tr\u00ean t\u1ea7n s\u1ed1 c\u1ee7a d\u00f2ng xo\u00e1y v\u00e0 c\u00e1c \u0111\u1eb7c t\u00ednh \u0111\u00e3 bi\u1ebft c\u1ee7a \u0111\u1ed3ng h\u1ed3 \u0111o l\u01b0u l\u01b0\u1ee3ng c\u1ee5 th\u1ec3.<\/p>\n<p>M\u1ed9t \u01b0u \u0111i\u1ec3m c\u1ee7a b\u1ed9 truy\u1ec1n d\u00f2ng xo\u00e1y l\u00e0 kh\u1ea3 n\u0103ng \u0111o t\u1ed1c \u0111\u1ed9 d\u00f2ng ch\u1ea3y m\u1ed9t c\u00e1ch ch\u00ednh x\u00e1c tr\u00ean m\u1ed9t ph\u1ea1m vi v\u1eadn t\u1ed1c ch\u1ea5t l\u1ecfng r\u1ed9ng. Ch\u00fang c\u0169ng t\u01b0\u01a1ng \u0111\u1ed1i mi\u1ec5n d\u1ecbch v\u1edbi nh\u1eefng thay \u0111\u1ed5i v\u1ec1 t\u00ednh ch\u1ea5t ch\u1ea5t l\u1ecfng, ch\u1eb3ng h\u1ea1n nh\u01b0 nhi\u1ec7t \u0111\u1ed9 v\u00e0 \u00e1p su\u1ea5t, khi\u1ebfn ch\u00fang ph\u00f9 h\u1ee3p v\u1edbi nhi\u1ec1u \u1ee9ng d\u1ee5ng kh\u00e1c nhau. Tuy nhi\u00ean, \u0111i\u1ec1u quan tr\u1ecdng c\u1ea7n l\u01b0u \u00fd l\u00e0 thi\u1ebft b\u1ecb truy\u1ec1n d\u00f2ng xo\u00e1y c\u00f3 th\u1ec3 y\u00eau c\u1ea7u hi\u1ec7u chu\u1ea9n \u0111\u1ecbnh k\u1ef3 \u0111\u1ec3 duy tr\u00ec \u0111\u1ed9 ch\u00ednh x\u00e1c c\u1ee7a ch\u00fang.<\/p>\n<p>T\u00f3m l\u1ea1i, thi\u1ebft b\u1ecb truy\u1ec1n d\u00f2ng xo\u00e1y l\u00e0 m\u1ed9t m\u00e1y \u0111<a href=\"http:\/\/\u01b0\u1ee3ng%20s\u1eed%20d\u1ee5ng%20hi\u1ec7u%20\u1ee9ng%20von%20K\u00e1rm\u00e1n%20\u0111\u1ec3%20\u0111o%20t\u1ed1c%20\u0111\u1ed9%20d\u00f2ng%20ch\u1ea3y%20c\u1ee7a%20ch\u1ea5t%20l\u1ecfng%20trong%20m\u1ed9t%20\u0111\u01b0\u1eddng%20\u1ed1ng%20h\">\u01b0\u1ee3ng s\u1eed d\u1ee5ng hi\u1ec7u \u1ee9ng von K\u00e1rm\u00e1n \u0111\u1ec3 \u0111o t\u1ed1c \u0111\u1ed9 d\u00f2ng ch\u1ea3y c\u1ee7a ch\u1ea5t l\u1ecfng trong m\u1ed9t \u0111\u01b0\u1eddng \u1ed1ng h<\/a>\u1eabn. N\u00f3 ho\u1ea1t \u0111\u1ed9ng<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Gi\u1edbi thi\u1ec7u v\u1ec1 B\u1ed9 truy\u1ec1n d\u00f2ng xo\u00e1y: M\u00e1y ph\u00e1t d\u00f2ng xo\u00e1y l\u00e0 m\u1ed9t lo\u1ea1i m\u00e1y \u0111o l\u01b0u l\u01b0\u1ee3ng \u0111o l\u01b0u l\u01b0\u1ee3ng ch\u1ea5t l\u1ecfng, kh\u00ed v\u00e0 h\u01a1i n\u01b0\u1edbc b\u1eb1ng nguy\u00ean l\u00fd \u0111\u1ed5 xo\u00e1y. 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