{"id":4874,"date":"2026-01-23T22:20:46","date_gmt":"2026-01-23T22:20:46","guid":{"rendered":"https:\/\/yunrui-controls.com\/?post_type=products&#038;p=4874"},"modified":"2026-03-29T16:14:40","modified_gmt":"2026-03-29T16:14:40","slug":"yokogawa-ejx930a","status":"publish","type":"products","link":"https:\/\/www.yunrui-controls.com\/vi\/products\/yokogawa-ejx930a\/","title":{"rendered":"Yokogawa EJX930A: B\u1ed9 truy\u1ec1n t\u00edn hi\u1ec7u \u0111a bi\u1ebfn cao c\u1ea5p | C\u1ea3m bi\u1ebfn l\u01b0u l\u01b0\u1ee3ng kh\u1ed1i l\u01b0\u1ee3ng ch\u00ednh x\u00e1c cao &amp; hi\u1ec7u su\u1ea5t ba c\u1ea3m bi\u1ebfn"},"content":{"rendered":"<h3 data-path-to-node=\"2\">Nh\u1eefng l\u1ee3i \u00edch v\u00e0 \u01b0u \u0111i\u1ec3m ch\u00ednh<\/h3>\n<p data-path-to-node=\"3\">T\u00ednh to\u00e1n l\u01b0u l\u01b0\u1ee3ng kh\u1ed1i l\u01b0\u1ee3ng th\u1eddi gian th\u1ef1c ti\u00ean ti\u1ebfn: EJX930A kh\u00f4ng ch\u1ec9 l\u00e0 m\u1ed9t c\u1ea3m bi\u1ebfn; n\u00f3 l\u00e0 m\u1ed9t m\u00e1y t\u00ednh l\u01b0u l\u01b0\u1ee3ng th\u00f4ng minh. \u1ede phi\u00ean b\u1ea3n \u0111o l\u01b0u l\u01b0\u1ee3ng kh\u1ed1i l\u01b0\u1ee3ng, n\u00f3 th\u1ef1c hi\u1ec7n b\u00f9 tr\u1eeb li\u00ean t\u1ee5c cho c\u00e1c bi\u1ebfn \u0111\u1ed9ng v\u1ec1 m\u1eadt \u0111\u1ed9, \u0111\u1ed9 nh\u1edbt v\u00e0 s\u1ed1 Reynolds. <span class=\"citation-1203 citation-end-1203\">\u0110i\u1ec1u n\u00e0y d\u1eabn \u0111\u1ebfn \u0111\u1ed9 ch\u00ednh x\u00e1c l\u01b0u l\u01b0\u1ee3ng kh\u1ed1i l\u01b0\u1ee3ng \u00b11,0% ngay c\u1ea3 khi s\u1eed d\u1ee5ng c\u00e1c t\u1ea5m ch\u1eafn l\u1ed7 ch\u01b0a \u0111\u01b0\u1ee3c hi\u1ec7u chu\u1ea9n, \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 ch\u00ednh x\u00e1c trong vi\u1ec7c chuy\u1ec3n giao ho\u1eb7c c\u00e2n b\u1eb1ng h\u01a1i n\u01b0\u1edbc, kh\u00ed v\u00e0 ch\u1ea5t l\u1ecfng.<\/span><\/p>\n<p data-path-to-node=\"4\">C\u1ea3m bi\u1ebfn ba bi\u1ebfn to\u00e0n di\u1ec7n: \u0110\u1ed1i v\u1edbi ng\u01b0\u1eddi d\u00f9ng t\u1eadp trung v\u00e0o thu th\u1eadp d\u1eef li\u1ec7u th\u00f4, phi\u00ean b\u1ea3n \u0111a c\u1ea3m bi\u1ebfn mang l\u1ea1i hi\u1ec7u su\u1ea5t v\u01b0\u1ee3t tr\u1ed9i tr\u00ean ba ch\u1ec9 s\u1ed1 quan tr\u1ecdng. <span class=\"citation-1202 citation-end-1202\">Thi\u1ebft b\u1ecb n\u00e0y cung c\u1ea5p \u0111\u1ed9 ch\u00ednh x\u00e1c \u00e1p su\u1ea5t ch\u00eanh l\u1ec7ch \u00b10,04%, \u0111\u1ed9 ch\u00ednh x\u00e1c \u00e1p su\u1ea5t t\u0129nh \u00b10,1% v\u00e0 \u0111\u1ed9 ch\u00ednh x\u00e1c nhi\u1ec7t \u0111\u1ed9 b\u00ean ngo\u00e0i \u00b10,9\u00b0F.<\/span> C\u00e1ch ti\u1ebfp c\u1eadn t\u00edch h\u1ee3p n\u00e0y gi\u00fap gi\u1ea3m thi\u1ec3u s\u1ef1 x\u00e2m nh\u1eadp v\u00e0o quy tr\u00ecnh v\u00e0 c\u00e1c \u0111i\u1ec3m r\u00f2 r\u1ec9 ti\u1ec1m t\u00e0ng b\u1eb1ng c\u00e1ch thay th\u1ebf ba b\u1ed9 truy\u1ec1n t\u00edn hi\u1ec7u ri\u00eang bi\u1ec7t b\u1eb1ng m\u1ed9t b\u1ed9 duy nh\u1ea5t.<\/p>\n<p data-path-to-node=\"5\">Kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch thi\u1ebft b\u1ecb ch\u00ednh ph\u1ed5 qu\u00e1t: EJX930A \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 ho\u1ea1t \u0111\u1ed9ng v\u1edbi c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng hi\u1ec7n c\u00f3 c\u1ee7a b\u1ea1n. <span class=\"citation-1201 citation-end-1201\">N\u00f3 h\u1ed7 tr\u1ee3 c\u00e1c thi\u1ebft b\u1ecb ch\u00ednh ti\u00eau chu\u1ea9n nh\u01b0 l\u1ed7 phun, v\u00f2i phun v\u00e0 \u1ed1ng Venturi.<\/span> \u0110\u1ed1i v\u1edbi c\u00e1c h\u1ec7 th\u1ed1ng s\u1eed d\u1ee5ng giao th\u1ee9c HART 7, kh\u1ea3 n\u0103ng h\u1ed7 tr\u1ee3 \u0111\u01b0\u1ee3c m\u1edf r\u1ed9ng \u0111\u1ebfn c\u00e1c thi\u1ebft b\u1ecb \u0111o ti\u00ean ti\u1ebfn nh\u01b0 \u1ed1ng Pitot \u0111a c\u1ed5ng v\u00e0 \u0111\u1ed3ng h\u1ed3 \u0111o h\u00ecnh n\u00f3n, mang l\u1ea1i t\u00ednh linh ho\u1ea1t t\u1ed1i \u0111a cho c\u00e1c c\u1ea5u h\u00ecnh \u0111\u01b0\u1eddng \u1ed1ng \u0111a d\u1ea1ng.<\/p>\n<p data-path-to-node=\"6\"><span class=\"citation-1200 citation-end-1200\">T\u00edch h\u1ee3p ch\u1ee9c n\u0103ng t\u1ed5ng h\u1ee3p v\u00e0 xu\u1ea5t xung: \u0110\u1ec3 h\u1ed7 tr\u1ee3 qu\u1ea3n l\u00fd n\u0103ng l\u01b0\u1ee3ng v\u00e0 ph\u00e2n l\u00f4 c\u1ee5c b\u1ed9, EJX930A t\u00edch h\u1ee3p b\u1ed9 \u0111\u1ebfm t\u1ed5ng l\u01b0u l\u01b0\u1ee3ng kh\u1ed1i l\u01b0\u1ee3ng v\u1edbi \u0111\u1ed9 ch\u00ednh x\u00e1c \u00b11.0%.<\/span> <span class=\"citation-1199 citation-end-1199\">C\u00e1c \u0111\u1ea7u ra xung v\u00e0 ti\u1ebfp \u0111i\u1ec3m c\u00f3 s\u1eb5n cho ph\u00e9p b\u1ed9 ph\u00e1t k\u00edch ho\u1ea1t c\u00e1c c\u1ea3nh b\u00e1o b\u00ean ngo\u00e0i ho\u1eb7c giao ti\u1ebfp tr\u1ef1c ti\u1ebfp v\u1edbi b\u1ed9 \u0111\u1ebfm l\u01b0u l\u01b0\u1ee3ng, gi\u00fap \u0111\u01a1n gi\u1ea3n h\u00f3a vi\u1ec7c t\u00edch h\u1ee3p v\u00e0o ki\u1ebfn tr\u00fac \u0111i\u1ec1u khi\u1ec3n c\u1ee7a b\u1ea1n.<\/span><\/p>\n<p data-path-to-node=\"7\">\u0110\u1ea1t ch\u1ee9ng nh\u1eadn an to\u00e0n quy tr\u00ecnh SIL 2\/3: An to\u00e0n kh\u00f4ng bao gi\u1edd l\u00e0 \u0111i\u1ec1u t\u00f9y ch\u1ecdn v\u1edbi d\u00f2ng s\u1ea3n ph\u1ea9m EJX. <span class=\"citation-1198 citation-end-1198\">EJX930A \u0111\u1ea1t ch\u1ee9ng nh\u1eadn TUV SIL 2\/3, tr\u1edf th\u00e0nh m\u1ed9t linh ki\u1ec7n \u0111\u00e1ng tin c\u1eady cho H\u1ec7 th\u1ed1ng Thi\u1ebft b\u1ecb An to\u00e0n (SIS).<\/span> C\u00f4ng ngh\u1ec7 c\u1ea3m bi\u1ebfn k\u1ef9 thu\u1eadt s\u1ed1 m\u1ea1nh m\u1ebd c\u1ee7a n\u00f3 \u0111\u1ea3m b\u1ea3o t\u00ednh to\u00e0n v\u1eb9n c\u1ee7a ph\u00e9p \u0111o \u0111\u01b0\u1ee3c duy tr\u00ec ngay c\u1ea3 trong m\u00f4i tr\u01b0\u1eddng rung \u0111\u1ed9ng m\u1ea1nh ho\u1eb7c \u00e1p su\u1ea5t t\u0129nh cao.<\/p>\n<p data-path-to-node=\"8\">Gi\u1ea3m t\u1ed5ng chi ph\u00ed s\u1edf h\u1eefu (TCO): B\u1eb1ng c\u00e1ch t\u00edch h\u1ee3p nhi\u1ec1u ph\u00e9p \u0111o v\u00e0o m\u1ed9t thi\u1ebft b\u1ecb duy nh\u1ea5t, b\u1ea1n gi\u1ea3m \u0111\u00e1ng k\u1ec3 chi ph\u00ed thi\u1ebft k\u1ebf, l\u1eafp \u0111\u1eb7t v\u00e0 b\u1ea3o tr\u00ec. \u00cdt thi\u1ebft b\u1ecb h\u01a1n \u0111\u1ed3ng ngh\u0129a v\u1edbi vi\u1ec7c c\u1ea7n d\u1ef1 tr\u1eef \u00edt ph\u1ee5 t\u00f9ng h\u01a1n v\u00e0 \u00edt \u0111\u01b0\u1eddng \u1ed1ng xung c\u1ea7n b\u1ea3o tr\u00ec h\u01a1n, \u0111\u1ed3ng th\u1eddi thu \u0111\u01b0\u1ee3c c\u00e1i nh\u00ecn s\u00e2u s\u1eafc h\u01a1n v\u1ec1 t\u00ecnh tr\u1ea1ng ho\u1ea1t \u0111\u1ed9ng c\u1ee7a quy tr\u00ecnh th\u00f4ng qua ch\u1ea9n \u0111o\u00e1n n\u00e2ng cao.<\/p>\n<h4 data-path-to-node=\"9\">\u0110\u1eb7c t\u00ednh k\u1ef9 thu\u1eadt<\/h4>\n<p data-path-to-node=\"10\">Nguy\u00ean l\u00fd ho\u1ea1t \u0111\u1ed9ng: C\u1ea3m bi\u1ebfn \u0111a bi\u1ebfn s\u1eed d\u1ee5ng c\u00f4ng ngh\u1ec7 c\u1ed9ng h\u01b0\u1edfng silicon DPharp.<\/p>\n<p data-path-to-node=\"11\"><span class=\"citation-1197 citation-end-1197\">\u0110\u1ed9 ch\u00ednh x\u00e1c l\u01b0u l\u01b0\u1ee3ng kh\u1ed1i: \u00b11,0% c\u1ee7a t\u1ed1c \u0111\u1ed9 d\u00f2ng ch\u1ea3y (v\u1edbi b\u1ed9 t\u1ea1o ch\u00eanh l\u1ec7ch ch\u01b0a hi\u1ec7u chu\u1ea9n).<\/span><\/p>\n<p data-path-to-node=\"12\">\u0110\u1ed9 ch\u00ednh x\u00e1c ch\u00eanh l\u1ec7ch \u00e1p su\u1ea5t: \u00b10,04% c\u1ee7a d\u1ea3i \u0111o.<\/p>\n<p data-path-to-node=\"13\">\u0110\u1ed9 ch\u00ednh x\u00e1c \u00e1p su\u1ea5t t\u0129nh: \u00b10,1% c\u1ee7a d\u1ea3i \u0111o.<\/p>\n<p data-path-to-node=\"14\">Ng\u00f5 v\u00e0o nhi\u1ec7t \u0111\u1ed9: Ng\u00f5 v\u00e0o RTD (Pt100) \u0111\u1ec3 c\u1ea3m bi\u1ebfn nhi\u1ec7t \u0111\u1ed9 quy tr\u00ecnh b\u00ean ngo\u00e0i.<\/p>\n<p data-path-to-node=\"15\">Th\u1eddi gian ph\u1ea3n h\u1ed3i: 90 ms \u0111\u1ed1i v\u1edbi c\u00e1c bi\u1ebfn \u00e1p su\u1ea5t.<\/p>\n<p data-path-to-node=\"16\">X\u1ebfp h\u1ea1ng an to\u00e0n: \u0110\u1ea1t ch\u1ee9ng nh\u1eadn TUV SIL 2 \/ SIL 3.<\/p>\n<p data-path-to-node=\"17\"><span class=\"citation-1196 citation-end-1196\">Giao ti\u1ebfp: C\u00e1c t\u00f9y ch\u1ecdn HART 5\/7, FOUNDATION Fieldbus ho\u1eb7c RS485 Modbus.<\/span><\/p>\n<h5 data-path-to-node=\"18\">L\u0129nh v\u1ef1c \u1ee9ng d\u1ee5ng<\/h5>\n<p data-path-to-node=\"19\">EJX930A l\u00e0 s\u1ef1 l\u1ef1a ch\u1ecdn h\u00e0ng \u0111\u1ea7u cho c\u00e1c \u1ee9ng d\u1ee5ng m\u00e0 \u0111\u1ed9 ch\u00ednh x\u00e1c v\u1ec1 l\u01b0u l\u01b0\u1ee3ng v\u00e0 \u0111\u1ed9 ph\u1ee9c t\u1ea1p khi l\u1eafp \u0111\u1eb7t l\u00e0 y\u1ebfu t\u1ed1 t\u1ed1i quan tr\u1ecdng.<\/p>\n<p data-path-to-node=\"20\">C\u00e1c ng\u00e0nh c\u00f4ng nghi\u1ec7p v\u00e0 \u1ee9ng d\u1ee5ng ch\u00ednh:<\/p>\n<ul data-path-to-node=\"21\">\n<li>\n<p data-path-to-node=\"21,0,0\">Ph\u00e1t \u0111i\u1ec7n: \u0110o l\u01b0u l\u01b0\u1ee3ng kh\u1ed1i l\u01b0\u1ee3ng h\u01a1i ch\u00ednh v\u00e0 n\u01b0\u1edbc c\u1ea5p \u0111\u1ec3 c\u00e2n b\u1eb1ng nhi\u1ec7t v\u00e0 t\u1ed1i \u01b0u h\u00f3a hi\u1ec7u su\u1ea5t l\u00f2 h\u01a1i.<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"21,1,0\"><span class=\"citation-1195 citation-end-1195\">Ng\u00e0nh d\u1ea7u kh\u00ed: H\u1ec7 th\u1ed1ng \u0111o l\u01b0\u1eddng t\u00edch h\u1ee3p cho c\u00e1c gi\u1ebfng khai th\u00e1c kh\u00ed v\u00e0 thi\u1ebft b\u1ecb t\u00e1ch kh\u00ed, n\u01a1i \u00e1p su\u1ea5t t\u0129nh thay \u0111\u1ed5i \u0111\u00e1ng k\u1ec3.<\/span><\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"21,2,0\">Ng\u00e0nh h\u00f3a ch\u1ea5t v\u00e0 l\u1ecdc d\u1ea7u: \u0110o l\u01b0u l\u01b0\u1ee3ng kh\u1ed1i l\u01b0\u1ee3ng ch\u00ednh x\u00e1c cho nguy\u00ean li\u1ec7u h\u00f3a ch\u1ea5t c\u00f3 gi\u00e1 tr\u1ecb cao v\u00e0 c\u00e1c h\u1ee3p ch\u1ea5t h\u1eefu c\u01a1 d\u1ec5 bay h\u01a1i (VOC).<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"21,3,0\">H\u1ec7 th\u1ed1ng s\u01b0\u1edfi \u1ea5m khu v\u1ef1c: T\u00ednh to\u00e1n chi ph\u00ed n\u0103ng l\u01b0\u1ee3ng ch\u00ednh x\u00e1c cao cho m\u1ea1ng l\u01b0\u1edbi ph\u00e2n ph\u1ed1i h\u01a1i n\u01b0\u1edbc v\u00e0 n\u01b0\u1edbc n\u00f3ng.<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"21,4,0\">Ng\u00e0nh khai th\u00e1c m\u1ecf v\u00e0 kim lo\u1ea1i: Gi\u00e1m s\u00e1t m\u1ee9c ti\u00eau th\u1ee5 kh\u00ed n\u00e9n v\u00e0 kh\u00ed c\u00f4ng nghi\u1ec7p t\u1ea1i c\u00e1c c\u01a1 s\u1edf quy m\u00f4 l\u1edbn.<\/p>\n<\/li>\n<\/ul>\n<h3 data-path-to-node=\"23\"><\/h3>","protected":false},"excerpt":{"rendered":"<p>Yokogawa EJX930A l\u00e0 gi\u1ea3i ph\u00e1p \u0111a bi\u1ebfn cao c\u1ea5p trong d\u00f2ng s\u1ea3n ph\u1ea9m DPharp, \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf d\u00e0nh cho ng\u01b0\u1eddi d\u00f9ng y\u00eau c\u1ea7u kh\u1ea3 n\u0103ng quan s\u00e1t quy tr\u00ecnh v\u01b0\u1ee3t tr\u1ed9i v\u00e0 t\u00ednh to\u00e1n l\u01b0u l\u01b0\u1ee3ng ti\u00ean ti\u1ebfn. B\u1eb1ng c\u00e1ch t\u00edch h\u1ee3p ph\u00e9p \u0111o \u00e1p su\u1ea5t ch\u00eanh l\u1ec7ch, \u00e1p su\u1ea5t t\u0129nh v\u00e0 nhi\u1ec7t \u0111\u1ed9 b\u00ean ngo\u00e0i v\u00e0o m\u1ed9t thi\u1ebft b\u1ecb duy nh\u1ea5t, EJX930A cung c\u1ea5p \u0111\u1ea7u ra l\u01b0u l\u01b0\u1ee3ng kh\u1ed1i \u0111\u01b0\u1ee3c b\u00f9 ho\u00e0n to\u00e0n, ch\u00ednh x\u00e1c h\u01a1n \u0111\u00e1ng k\u1ec3 so v\u1edbi c\u00e1c ph\u00e9p \u0111o th\u1ec3 t\u00edch ti\u00eau chu\u1ea9n. Cho d\u00f9 gi\u00e1m s\u00e1t c\u00e1c \u0111\u01b0\u1eddng \u1ed1ng h\u01a1i quan tr\u1ecdng hay qu\u1ea3n l\u00fd c\u00e1c d\u00f2ng kh\u00ed ph\u1ee9c t\u1ea1p, b\u1ed9 truy\u1ec1n t\u00edn hi\u1ec7u n\u00e0y gi\u00fap \u0111\u01a1n gi\u1ea3n h\u00f3a h\u1ec7 th\u1ed1ng thi\u1ebft b\u1ecb \u0111o c\u1ee7a b\u1ea1n \u0111\u1ed3ng th\u1eddi cung c\u1ea5p \u0111\u1ed9 an to\u00e0n \u0111\u01b0\u1ee3c ch\u1ee9ng nh\u1eadn TUV SIL 2\/3.<\/p>","protected":false},"author":1,"featured_media":4871,"parent":0,"menu_order":590,"comment_status":"open","ping_status":"open","template":"","format":"standard","meta":{"_acf_changed":false,"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"default","adv-header-id-meta":"","stick-header-meta":"default","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center 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