{"id":4877,"date":"2026-01-23T22:28:14","date_gmt":"2026-01-23T22:28:14","guid":{"rendered":"https:\/\/yunrui-controls.com\/?post_type=products&#038;p=4877"},"modified":"2026-03-29T16:14:42","modified_gmt":"2026-03-29T16:14:42","slug":"yokogawa-eja120e","status":"publish","type":"products","link":"https:\/\/www.yunrui-controls.com\/vi\/products\/yokogawa-eja120e\/","title":{"rendered":"Yokogawa EJA120E: \u0110\u1ed3ng h\u1ed3 \u0111o \u00e1p su\u1ea5t ch\u00eanh l\u1ec7ch ph\u1ea1m vi l\u01b0u l\u01b0\u1ee3ng ch\u00ednh x\u00e1c | Gi\u00e1m s\u00e1t \u00e1p su\u1ea5t th\u1ea5p \u0111\u1ed9 nh\u1ea1y cao"},"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\u1ed1i \u01b0u h\u00f3a ph\u1ea1m vi \u0111o l\u01b0u l\u01b0\u1ee3ng th\u1ef1c: Kh\u00f4ng gi\u1ed1ng nh\u01b0 c\u00e1c b\u1ed9 truy\u1ec1n t\u00edn hi\u1ec7u ti\u00eau chu\u1ea9n ch\u1ec9 \u0111\u01a1n gi\u1ea3n l\u00e0 &quot;gi\u1ea3m c\u00f4ng su\u1ea5t&quot; \u0111\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c ph\u1ea1m vi \u0111o th\u1ea5p, EJA120E \u0111\u01b0\u1ee3c ch\u1ebf t\u1ea1o v\u1edbi m\u1ed9t b\u1ed9 ph\u1eadn \u0111o l\u01b0u l\u01b0\u1ee3ng chuy\u00ean d\u1ee5ng. \u0110i\u1ec1u n\u00e0y cho ph\u00e9p n\u00f3 duy tr\u00ec \u0111\u1ed9 ph\u00e2n gi\u1ea3i v\u00e0 \u0111\u1ed9 ch\u00ednh x\u00e1c cao trong ph\u1ea1m vi c\u1ed9t n\u01b0\u1edbc (inch), l\u00fd t\u01b0\u1edfng cho vi\u1ec7c gi\u00e1m s\u00e1t t\u1ef7 l\u1ec7 kh\u00f4ng kh\u00ed\/nhi\u00ean li\u1ec7u trong n\u1ed3i h\u01a1i v\u00e0 \u00e1p su\u1ea5t ph\u00f2ng s\u1ea1ch.<\/p>\n<p data-path-to-node=\"4\"><span class=\"citation-1248 citation-end-1248\">\u0110\u1ed9 ch\u00ednh x\u00e1c \u0111\u01b0\u1ee3c n\u00e2ng cao v\u1edbi t\u00f9y ch\u1ecdn HAC: \u0110\u1ed1i v\u1edbi c\u00e1c quy tr\u00ecnh quan tr\u1ecdng m\u00e0 t\u1eebng ph\u1ea7n nh\u1ecf c\u1ee7a Pascal \u0111\u1ec1u c\u00f3 \u00fd ngh\u0129a, t\u00f9y ch\u1ecdn \/HAC (\u0110\u1ed9 ch\u00ednh x\u00e1c cao) c\u1ea3i thi\u1ec7n \u0111\u1ed9 ch\u00ednh x\u00e1c tham chi\u1ebfu l\u00ean \u00b1 0,09% c\u1ee7a d\u1ea3i \u0111o.<\/span> \u0110i\u1ec1u n\u00e0y cho ph\u00e9p ki\u1ec3m so\u00e1t quy tr\u00ecnh ch\u1eb7t ch\u1ebd h\u01a1n, d\u1eabn \u0111\u1ebfn c\u1ea3i thi\u1ec7n hi\u1ec7u su\u1ea5t \u0111\u1ed1t ch\u00e1y v\u00e0 gi\u1ea3m l\u00e3ng ph\u00ed n\u0103ng l\u01b0\u1ee3ng trong c\u00e1c h\u1ec7 th\u1ed1ng s\u01b0\u1edfi \u1ea5m c\u00f4ng nghi\u1ec7p.<\/p>\n<p data-path-to-node=\"5\"><span class=\"citation-1247 citation-end-1247\">\u0110\u01b0\u1ee3c ch\u1ee9ng nh\u1eadn cho m\u00f4i tr\u01b0\u1eddng an to\u00e0n c\u1ef1c k\u1ef3 quan tr\u1ecdng: \u0110\u1ed9 tin c\u1eady trong c\u00e1c khu v\u1ef1c nguy hi\u1ec3m \u0111\u01b0\u1ee3c \u0111\u1ea3m b\u1ea3o b\u1edfi ch\u1ee9ng nh\u1eadn SIL 2\/3 c\u1ee7a Exida v\u00e0 TUV.<\/span> EJA120E \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 t\u00edch h\u1ee3p li\u1ec1n m\u1ea1ch v\u00e0o H\u1ec7 th\u1ed1ng Thi\u1ebft b\u1ecb An to\u00e0n (SIS), cung c\u1ea5p kh\u1ea3 n\u0103ng gi\u00e1m s\u00e1t \u00e1p su\u1ea5t th\u1ea5p \u0111\u00e1ng tin c\u1eady c\u1ea7n thi\u1ebft \u0111\u1ec3 ng\u0103n ng\u1eeba hi\u1ec7n t\u01b0\u1ee3ng \u00e1p su\u1ea5t ng\u01b0\u1ee3c trong l\u00f2 ho\u1eb7c s\u1ef1 c\u1ed1 th\u00f4ng gi\u00f3.<\/p>\n<p data-path-to-node=\"6\"><span class=\"citation-1246 citation-end-1246\">T\u00ednh linh ho\u1ea1t trong giao ti\u1ebfp \u0111a giao th\u1ee9c: EJA120E h\u1ed7 tr\u1ee3 nhi\u1ec1u giao th\u1ee9c truy\u1ec1n th\u00f4ng c\u00f4ng nghi\u1ec7p, bao g\u1ed3m HART 5\/7, HART 7 1 \u0111\u1ebfn 5 VDC (C\u00f4ng su\u1ea5t th\u1ea5p), FOUNDATION Fieldbus, PROFIBUS PA v\u00e0 BRAIN.<\/span> \u0110i\u1ec1u n\u00e0y \u0111\u1ea3m b\u1ea3o kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch v\u1edbi c\u1ea3 c\u00e1c h\u1ec7 th\u1ed1ng \u0111i\u1ec1u khi\u1ec3n c\u0169 v\u00e0 c\u00e1c \u0111\u1ecba \u0111i\u1ec3m gi\u00e1m s\u00e1t t\u1eeb xa hi\u1ec7n \u0111\u1ea1i, ti\u1ebft ki\u1ec7m n\u0103ng l\u01b0\u1ee3ng.<\/p>\n<p data-path-to-node=\"7\"><span class=\"citation-1245 citation-end-1245\">\u0110i\u1ec1u ch\u1ec9nh tr\u1ef1c ti\u1ebfp t\u1ea1i ch\u1ed7 th\u00f4ng qua LPS: T\u00ednh n\u0103ng C\u00e0i \u0111\u1eb7t th\u00f4ng s\u1ed1 c\u1ee5c b\u1ed9 (LPS) cho ph\u00e9p k\u1ef9 thu\u1eadt vi\u00ean th\u1ef1c hi\u1ec7n \u0111i\u1ec1u ch\u1ec9nh ph\u1ea1m vi v\u00e0 c\u1ea5u h\u00ecnh c\u01a1 b\u1ea3n tr\u1ef1c ti\u1ebfp t\u1ea1i thi\u1ebft b\u1ecb b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng ch\u1ec9 b\u00e1o b\u00ean ngo\u00e0i.<\/span> \u0110i\u1ec1u n\u00e0y gi\u00fap gi\u1ea3m nhu c\u1ea7u s\u1eed d\u1ee5ng c\u00e1c thi\u1ebft b\u1ecb li\u00ean l\u1ea1c c\u1ea7m tay chuy\u00ean d\u1ee5ng trong qu\u00e1 tr\u00ecnh b\u1ea3o tr\u00ec th\u01b0\u1eddng xuy\u00ean t\u1ea1i hi\u1ec7n tr\u01b0\u1eddng.<\/p>\n<p data-path-to-node=\"8\"><span class=\"citation-1244 citation-end-1244\">Hi\u1ec7u su\u1ea5t \u1ed5n \u0111\u1ecbnh l\u00e2u d\u00e0i: V\u1edbi \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh \u00b1 0,3% m\u1ed7i n\u0103m, EJA120E gi\u1ea3m thi\u1ec3u hi\u1ec7n t\u01b0\u1ee3ng &quot;tr\u00f4i l\u1ec7ch&quot; th\u01b0\u1eddng g\u1eb7p \u1edf c\u00e1c c\u1ea3m bi\u1ebfn \u00e1p su\u1ea5t th\u1ea5p.<\/span> T\u00ednh \u1ed5n \u0111\u1ecbnh n\u00e0y \u0111\u1ea3m b\u1ea3o vi\u1ec7c \u0111i\u1ec1u khi\u1ec3n l\u01b0u l\u01b0\u1ee3ng gi\u00f3 c\u1ee7a l\u00f2 nung lu\u00f4n nh\u1ea5t qu\u00e1n theo th\u1eddi gian, gi\u1ea3m t\u1ea7n su\u1ea5t hi\u1ec7u ch\u1ec9nh th\u1ee7 c\u00f4ng.<\/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 ch\u00eanh l\u1ec7ch \u00e1p su\u1ea5t th\u1ea5p 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-1243 citation-end-1243\">\u0110\u1ed9 ch\u00ednh x\u00e1c ti\u00eau chu\u1ea9n: \u00b1 0,2% c\u1ee7a d\u1ea3i \u0111o (\u00b1 0,09% v\u1edbi t\u00f9y ch\u1ecdn \/HAC).<\/span><\/p>\n<p data-path-to-node=\"12\"><span class=\"citation-1242 citation-end-1242\">\u0110\u1ed9 \u1ed5n \u0111\u1ecbnh: \u00b1 0,3% m\u1ed7i n\u0103m.<\/span><\/p>\n<p data-path-to-node=\"13\">Th\u1eddi gian ph\u1ea3n h\u1ed3i: 150 ms.<\/p>\n<p data-path-to-node=\"14\"><span class=\"citation-1241 citation-end-1241\">X\u1ebfp h\u1ea1ng an to\u00e0n: \u0110\u1ea1t ch\u1ee9ng nh\u1eadn Exida v\u00e0 TUV SIL 2 \/ SIL 3.<\/span><\/p>\n<p data-path-to-node=\"15\">D\u1ea3i \u00e1p su\u1ea5t: \u0110\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 \u0111o \u1edf \u00e1p su\u1ea5t r\u1ea5t th\u1ea5p (\u00e1p su\u1ea5t h\u00fat) (v\u00ed d\u1ee5: 0,1 \u0111\u1ebfn 1 kPa).<\/p>\n<p data-path-to-node=\"16\"><span class=\"citation-1240 citation-end-1240\">L\u1eafp \u0111\u1eb7t: Ki\u1ec3u l\u1eafp \u0111\u1eb7t truy\u1ec1n th\u1ed1ng (kho\u1ea3ng c\u00e1ch t\u00e2m gi\u1eefa c\u00e1c l\u1ed7 l\u00e0 54mm) \u0111\u1ec3 d\u1ec5 d\u00e0ng t\u00edch h\u1ee3p v\u00e0o h\u1ec7 th\u1ed1ng \u1ed1ng d\u1eabn.<\/span><\/p>\n<h5 data-path-to-node=\"17\">L\u0129nh v\u1ef1c \u1ee9ng d\u1ee5ng<\/h5>\n<p data-path-to-node=\"18\"><span class=\"citation-1239 citation-end-1239\">EJA120E l\u00e0 l\u1ef1a ch\u1ecdn \u01b0u ti\u00ean cho c\u00e1c \u1ee9ng d\u1ee5ng c\u1ea7n \u0111o \u00e1p su\u1ea5t ch\u00eanh l\u1ec7ch c\u1ef1c th\u1ea5p v\u1edbi \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh cao.<\/span><\/p>\n<p data-path-to-node=\"19\">C\u00e1c ng\u00e0nh c\u00f4ng nghi\u1ec7p v\u00e0 \u1ee9ng d\u1ee5ng ch\u00ednh:<\/p>\n<ul data-path-to-node=\"20\">\n<li>\n<p data-path-to-node=\"20,0,0\">Ph\u00e1t \u0111i\u1ec7n: \u0110o l\u01b0u l\u01b0\u1ee3ng kh\u00ed n\u1ea1p v\u00e0 l\u01b0u l\u01b0\u1ee3ng kh\u00ed th\u1ee9 c\u1ea5p c\u1ee7a l\u00f2 \u0111\u1ed1t \u0111\u1ec3 t\u1ed1i \u01b0u h\u00f3a qu\u00e1 tr\u00ecnh \u0111\u1ed1t ch\u00e1y v\u00e0 ng\u0103n ng\u1eeba hi\u1ec7n t\u01b0\u1ee3ng &quot;phun kh\u00f3i&quot;.\u201c<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"20,1,0\"><span class=\"citation-1238 citation-end-1238\">H\u1ec7 th\u1ed1ng HVAC v\u00e0 ph\u00f2ng s\u1ea1ch: Gi\u00e1m s\u00e1t s\u1ef1 ch\u00eanh l\u1ec7ch \u00e1p su\u1ea5t nh\u1ecf gi\u1eefa c\u00e1c ph\u00f2ng \u0111\u1ec3 duy tr\u00ec m\u00f4i tr\u01b0\u1eddng v\u00f4 tr\u00f9ng ho\u1eb7c an to\u00e0n ph\u00f2ng th\u00ed nghi\u1ec7m.<\/span><\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"20,2,0\">Th\u1ee7y tinh v\u00e0 g\u1ed1m s\u1ee9: Ki\u1ec3m so\u00e1t lu\u1ed3ng kh\u00ed trong l\u00f2 nung ch\u1ea3y, n\u01a1i \u00e1p su\u1ea5t ph\u1ea3i \u0111\u01b0\u1ee3c duy tr\u00ec \u1edf m\u1ee9c c\u1ef1c k\u1ef3 ch\u00ednh x\u00e1c, g\u1ea7n nh\u01b0 trung t\u00ednh.<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"20,3,0\">Gi\u00e1m s\u00e1t m\u00f4i tr\u01b0\u1eddng: Theo d\u00f5i d\u00f2ng kh\u00ed th\u1ea3i t\u1ed1c \u0111\u1ed9 th\u1ea5p trong \u1ed1ng kh\u00f3i \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o tu\u00e2n th\u1ee7 c\u00e1c quy \u0111\u1ecbnh v\u1ec1 kh\u00ed th\u1ea3i.<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"20,4,0\">L\u00f2 s\u1ea5y v\u00e0 l\u00f2 c\u00f4ng nghi\u1ec7p: Duy tr\u00ec s\u1ef1 c\u00e2n b\u1eb1ng ch\u00ednh x\u00e1c gi\u1eefa kh\u00f4ng kh\u00ed th\u1ea3i v\u00e0 kh\u00f4ng kh\u00ed c\u1ea5p v\u00e0o \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o qu\u00e1 tr\u00ecnh s\u1ea5y s\u1ea3n ph\u1ea9m di\u1ec5n ra \u0111\u1ed3ng \u0111\u1ec1u.<\/p>\n<\/li>\n<\/ul>\n<h3 data-path-to-node=\"22\"><\/h3>","protected":false},"excerpt":{"rendered":"<p>The Yokogawa EJA120E is a specialized traditional-mount differential pressure transmitter engineered specifically for draft range applications. In the world of pressure measurement, &#8220;draft&#8221; refers to extremely low-pressure environments, such as furnace interiors or ventilation ducts, where standard transmitters lack the sensitivity to provide meaningful data. The EJA120E features a unique high-sensitivity capsule design that allows it to capture minute pressure differentials with a standard accuracy of \u00b1 0.2%, which can be further enhanced to \u00b1 0.09% for high-precision control requirements.<\/p>","protected":false},"author":1,"featured_media":4768,"parent":0,"menu_order":589,"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 center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"tags":[324],"brands":[163,111],"model_series":[],"industries":[54,53,55],"product_cat":[93,92],"class_list":["post-4877","products","type-products","status-publish","format-standard","has-post-thumbnail","hentry","tag-yokogawa","brands-pressure-transmitters-yokogawa","brands-yokogawa","industries-chemical-petrochemical","industries-oil-gas","industries-power-generation","product_cat-pressure-transmitters","product_cat-transmitters"],"acf":{"output":"","accuracy":"Primary Variable\uff1a\u00b10.2% of Span","range":"","power":"","materials":"","fluid":"","mounting":"","communication_protocol":"","process_media_density":"","viscosity":"","operating_pressure":"","operating_temperature":"","safety":"","diagnostics":"","input":"","housing":"","displayinterface":"","calibration_options":"","certificationsapprovals":"","turndown":"","flange_options":"","line_size":"","interchangeability":"","compatibility":"","enclosure_rating":"","transmitter_coil_drive_current":"","conductivity_limits":"","line_power_fuses":"","switch-on_current":"","measurement_types":"Primary Variable\uff1aDifferential Pressure (Draft Range)","stability_":"Primary Variable\uff1a\u00b10.3% of URL per 1 year","response_time":"Primary Variable\uff1a150 msec","burst_pressure_absolute":"","specification_conformance":"","rangeability":"Primary Variable\uff1a10:1","over-pressure_effect":"","measuring_principle":"","characteristic":"","supply_voltage":"","reference_accuracy":"","long_term_stability":"","process_temperature":"","ambient_temperature":"","measuring_cell":"","smallest_calibratable_span":"","vacuum_resistance":"","max_turn_down":"","max_overpressure_limit":"","process_connection":"","process_connection_hygienic":"","material_process_membrane":"","material_gasket":"","material_housing":"","design_approvals":"","hygienic_approvals":"","marine_approvals":"","drinking_water_approvals":"","datasheet":4878,"live_photos":"","available_certificates":"","available_logistics":"","configured_models":null},"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v26.8 (Yoast SEO v26.8) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Original Yokogawa EJA120E | Trusted Distributor<\/title>\n<meta name=\"description\" content=\"Ensure your operations run smoothly with a brand new Yokogawa EJA120E: Precision Draft Range Differential Pressure. 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