{"id":7944,"date":"2026-04-20T16:12:32","date_gmt":"2026-04-20T16:12:32","guid":{"rendered":"https:\/\/www.yunrui-controls.com\/?p=7944"},"modified":"2026-04-20T16:12:56","modified_gmt":"2026-04-20T16:12:56","slug":"emerson-ams-trex-vs-rosemount-475","status":"publish","type":"post","link":"https:\/\/www.yunrui-controls.com\/vi\/emerson-ams-trex-vs-rosemount-475\/","title":{"rendered":"So s\u00e1nh Emerson AMS Trex v\u00e0 Rosemount 475: H\u01b0\u1edbng d\u1eabn l\u1ef1a ch\u1ecdn v\u00e0 n\u00e2ng c\u1ea5p to\u00e0n di\u1ec7n"},"content":{"rendered":"

Trong l\u0129nh v\u1ef1c t\u1ef1 \u0111\u1ed9ng h\u00f3a quy tr\u00ecnh, c\u00e1c thi\u1ebft b\u1ecb giao ti\u1ebfp c\u1ea7m tay l\u00e0 c\u00f4ng c\u1ee5 kh\u00f4ng th\u1ec3 thi\u1ebfu \u0111\u1ec3 c\u1ea5u h\u00ecnh, v\u1eadn h\u00e0nh th\u1eed, ch\u1ea9n \u0111o\u00e1n v\u00e0 b\u1ea3o tr\u00ec c\u00e1c thi\u1ebft b\u1ecb \u0111o tr\u01b0\u1eddng th\u00f4ng minh. L\u00e0 nh\u00e0 cung c\u1ea5p l\u00e2u n\u0103m c\u00e1c s\u1ea3n ph\u1ea9m c\u1ee7a Emerson v\u00e0 Rosemount, C\u00f4ng ty TNHH Th\u01b0\u01a1ng m\u1ea1i Xi'an Yunrui (Yunrui) \u0111\u00e3 d\u1eabn d\u1eaft qu\u00e1 tr\u00ecnh chuy\u1ec3n \u0111\u1ed5i c\u1ee7a ng\u00e0nh t\u1eeb k\u1ef7 nguy\u00ean 475 sang k\u1ef7 nguy\u00ean AMS Trex.<\/p>\n

\u0110\u1ec3 gi\u00fap b\u1ea1n \u0111\u01b0a ra quy\u1ebft \u0111\u1ecbnh t\u1ed1i \u01b0u trong qu\u00e1 tr\u00ecnh n\u00e2ng c\u1ea5p, ch\u00fang t\u00f4i \u0111\u00e3 bi\u00ean so\u1ea1n h\u01b0\u1edbng d\u1eabn so s\u00e1nh v\u00e0 l\u1ef1a ch\u1ecdn chi ti\u1ebft n\u00e0y.<\/p>\n

\n

\"Original
\nNh\u1eefng \u0111i\u1ec3m kh\u00e1c bi\u1ec7t c\u1ed1t l\u00f5i: T\u1ea1i sao ng\u00e0nh c\u00f4ng nghi\u1ec7p \u0111ang chuy\u1ec3n sang s\u1eed d\u1ee5ng Trex?<\/h2>\n\n\n\n\n\n\n\n\n\n\n
T\u00ednh n\u0103ng<\/strong><\/td>\nB\u1ed9 truy\u1ec1n t\u00edn hi\u1ec7u Rosemount 475<\/strong><\/a><\/td>\nEmerson AMS Trex Communicator<\/strong><\/a><\/td>\n<\/tr>\n<\/thead>\n
Tr\u1ea1ng th\u00e1i s\u1ea3n ph\u1ea9m<\/span><\/td>\nNg\u1eebng s\u1ea3n xu\u1ea5t n\u0103m 2018; ph\u1ee5 t\u00f9ng r\u1ea5t khan hi\u1ebfm.<\/span><\/td>\nH\u00e0ng c\u00f3 s\u1eb5n t\u1ea1i Yunrui; h\u1ed7 tr\u1ee3 \u0111\u1ea7y \u0111\u1ee7.<\/span><\/td>\n<\/tr>\n
T\u1ed1c \u0111\u1ed9<\/span><\/td>\nPh\u1ea7n c\u1ee9ng c\u0169; t\u1ed1c \u0111\u1ed9 t\u1ea3i DD ch\u1eadm.<\/span><\/td>\nB\u1ed9 x\u1eed l\u00fd 800 MHz; kh\u1edfi \u0111\u1ed9ng g\u1ea7n nh\u01b0 t\u1ee9c th\u00ec.<\/span><\/td>\n<\/tr>\n
Kho<\/span><\/td>\nB\u1ed9 nh\u1edb trong h\u1ea1n ch\u1ebf.<\/span><\/td>\nB\u1ed9 nh\u1edb Flash m\u1edf r\u1ed9ng 32GB d\u00e0nh cho t\u1ea5t c\u1ea3 c\u00e1c t\u1ec7p DD.<\/span><\/td>\n<\/tr>\n
Tr\u01b0ng b\u00e0y<\/span><\/td>\nKh\u00f3 \u0111\u1ecdc khi ti\u1ebfp x\u00fac tr\u1ef1c ti\u1ebfp v\u1edbi \u00e1nh n\u1eafng m\u1eb7t tr\u1eddi.<\/span><\/td>\nM\u00e0n h\u00ecnh c\u1ea3m \u1ee9ng 5,7 inch; hi\u1ec3n th\u1ecb r\u00f5 d\u01b0\u1edbi \u00e1nh n\u1eafng m\u1eb7t tr\u1eddi.<\/span><\/td>\n<\/tr>\n
C\u1ea5p ngu\u1ed3n<\/span><\/td>\nC\u1ea7n ngu\u1ed3n \u0111i\u1ec7n\/\u0111i\u1ec7n tr\u1edf b\u00ean ngo\u00e0i.<\/span><\/td>\nNgu\u1ed3n \u0111i\u1ec7n v\u00f2ng l\u1eb7p t\u00edch h\u1ee3p (M\u00f4-\u0111un L).<\/span><\/td>\n<\/tr>\n
Kh\u00f4ng d\u00e2y<\/span><\/td>\nGiao di\u1ec7n IrDA\/Bluetooth c\u01a1 b\u1ea3n.<\/span><\/td>\nK\u1ebft n\u1ed1i Wi-Fi v\u00e0 NFC \u0111\u1ec3 \u0111\u1ed3ng b\u1ed9 h\u00f3a d\u1eef li\u1ec7u l\u00ean \u0111\u00e1m m\u00e2y.<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

\u01afu \u0111i\u1ec3m c\u1ee7a Yunrui: M\u1ed7i thi\u1ebft b\u1ecb AMS Trex m\u00e0 ch\u00fang t\u00f4i cung c\u1ea5p \u0111\u1ec1u \u0111\u01b0\u1ee3c \u0111\u1ea3m b\u1ea3o truy c\u1eadp li\u00ean t\u1ee5c v\u00e0o c\u00e1c b\u1ea3n c\u1eadp nh\u1eadt M\u00f4 t\u1ea3 Thi\u1ebft b\u1ecb (DD). C\u00e1c thi\u1ebft b\u1ecb c\u1ee7a ch\u00fang t\u00f4i gi\u00fap lo\u1ea1i b\u1ecf nhu c\u1ea7u k\u1ef9 thu\u1eadt vi\u00ean ph\u1ea3i mang theo m\u00e1y t\u00ednh x\u00e1ch tay ho\u1eb7c b\u1ed9 ngu\u1ed3n ngo\u00e0i hi\u1ec7n tr\u01b0\u1eddng.<\/p>\n

\n

\"Original
\nChi\u1ebfn l\u01b0\u1ee3c n\u00e2ng c\u1ea5p: Khi n\u00e0o n\u00ean thay th\u1ebf \u0111\u1ed9i bay 475 c\u1ee7a b\u1ea1n?<\/h2>\n

1. R\u1ee7i ro khi ti\u1ebfp t\u1ee5c \u1edf l\u1ea1i v\u1edbi 475<\/h3>\n

Ch\u00fang t\u00f4i khuy\u1ebfn c\u00e1o c\u00e1c nh\u00f3m v\u1eabn \u0111ang s\u1eed d\u1ee5ng thi\u1ebft b\u1ecb 475 c\u1ea7n h\u1ebft s\u1ee9c th\u1eadn tr\u1ecdng. K\u1ec3 t\u1eeb khi ng\u1eebng s\u1ea3n xu\u1ea5t v\u00e0o n\u0103m 2018, c\u00e1c s\u1ef1 c\u1ed1 ph\u1ea7n c\u1ee9ng th\u01b0\u1eddng d\u1eabn \u0111\u1ebfn th\u1eddi gian ng\u1eebng ho\u1ea1t \u0111\u1ed9ng v\u0129nh vi\u1ec5n do thi\u1ebfu ph\u1ee5 t\u00f9ng thay th\u1ebf ch\u00ednh h\u00e3ng. H\u01a1n n\u1eefa, c\u00e1c thi\u1ebft b\u1ecb m\u1edbi h\u01a1n t\u1eeb Emerson v\u00e0 c\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t kh\u00e1c kh\u00f4ng c\u00f2n \u0111\u01b0\u1ee3c ph\u1ea7n m\u1ec1m 475 h\u1ed7 tr\u1ee3.<\/p>\n

2. Nh\u1eefng l\u1ee3i \u00edch c\u1ee7a n\u1ec1n t\u1ea3ng Trex<\/h3>\n

Ch\u00fang t\u00f4i khuy\u1ebfn ngh\u1ecb n\u00e2ng c\u1ea5p v\u00ec ba y\u1ebfu t\u1ed1 ch\u00ednh th\u00fac \u0111\u1ea9y ho\u1ea1t \u0111\u1ed9ng kinh doanh:<\/p>\n

    \n
  • \n

    T\u1ed1c \u0111\u1ed9 v\u1eadn h\u00e0nh: S\u1eed d\u1ee5ng m\u00f4-\u0111un L \u0111\u1ec3 c\u1ea5p ngu\u1ed3n tr\u1ef1c ti\u1ebfp cho b\u1ed9 ph\u00e1t, gi\u00fap gi\u1ea3m th\u1eddi gian thi\u1ebft l\u1eadp l\u00ean \u0111\u1ebfn 50%.<\/p>\n<\/li>\n

  • \n

    Kh\u1ea3 n\u0103ng ch\u1ea9n \u0111o\u00e1n m\u1ea1nh m\u1ebd: Th\u1ef1c hi\u1ec7n c\u00e1c ki\u1ec3m tra \u0111\u1eb7c tr\u01b0ng van n\u00e2ng cao v\u00e0 ki\u1ec3m tra t\u00ednh to\u00e0n v\u1eb9n m\u1ea1ch v\u00f2ng m\u00e0 kh\u00f4ng c\u1ea7n th\u00e1o thi\u1ebft b\u1ecb kh\u1ecfi d\u00e2y chuy\u1ec1n s\u1ea3n xu\u1ea5t.<\/p>\n<\/li>\n

  • \n

    Kh\u1ea3 n\u0103ng ch\u1ed1ng ch\u1ecbu m\u00f4i tr\u01b0\u1eddng: Gi\u00e0y Trex \u0111\u01b0\u1ee3c ch\u1ebf t\u1ea1o \u0111\u1ec3 s\u1eed d\u1ee5ng trong \u0111i\u1ec1u ki\u1ec7n th\u1ef1c t\u1ebf - ch\u1ed1ng \u1ea9m, ch\u1ed1ng b\u1ee5i v\u00e0 c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng ngay c\u1ea3 khi \u0111eo g\u0103ng tay lao \u0111\u1ed9ng d\u00e0y.<\/p>\n<\/li>\n<\/ul>\n

    \n

    \"Original
    \nL\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 ch\u1ecdn \u0111\u00fang m\u1eabu m\u00e1y d\u00f2 kim lo\u1ea1i c\u1ea7m tay Trex?<\/h2>\n

    Sau khi \u0111\u00e3 ch\u1ecdn n\u1ec1n t\u1ea3ng Trex, m\u00e3 s\u1ed1 model c\u1ee5 th\u1ec3 s\u1ebd \u0111\u1ea1i di\u1ec7n cho c\u00e1c c\u1ea5u h\u00ecnh kh\u00e1c nhau. B\u1ea1n c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng quy tr\u00ecnh sau \u0111\u1ec3 ch\u1ecdn model ph\u00f9 h\u1ee3p nh\u1ea5t v\u1edbi nhu c\u1ea7u c\u1ee7a m\u00ecnh:<\/p>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
    Ng\u01b0\u1eddi m\u1eabu<\/strong><\/td>\nM\u00f4 t\u1ea3 s\u1ea3n ph\u1ea9m<\/strong><\/td>\n<\/tr>\n<\/thead>\n
    Kh\u1ee7ng long b\u1ea1o ch\u00faa<\/span><\/td>\nN\u1ec1n t\u1ea3ng Trex Base<\/span><\/td>\n<\/tr>\n
    M\u00e3 s\u1ed1<\/span><\/td>\nM\u00f4-\u0111un truy\u1ec1n th\u00f4ng<\/span><\/td>\n<\/tr>\n
    C<\/span><\/td>\nM\u00f4-\u0111un truy\u1ec1n th\u00f4ng ti\u00eau chu\u1ea9n<\/span><\/td>\n<\/tr>\n
    L<\/span><\/td>\nM\u00f4-\u0111un truy\u1ec1n th\u00f4ng \u0111a ch\u1ee9c n\u0103ng (H\u1ed7 tr\u1ee3 ngu\u1ed3n v\u00f2ng l\u1eb7p)<\/span><\/td>\n<\/tr>\n
    M\u00e3 s\u1ed1<\/span><\/td>\n\u1ee8ng d\u1ee5ng<\/span><\/td>\n<\/tr>\n
    H<\/span><\/td>\n\u1ee8ng d\u1ee5ng HART<\/span><\/td>\n<\/tr>\n
    F<\/span><\/td>\n\u1ee8ng d\u1ee5ng HART + FF<\/span><\/td>\n<\/tr>\n
    M\u00e3 s\u1ed1<\/span><\/td>\nLo\u1ea1i m\u00f4-\u0111un ngu\u1ed3n<\/span><\/td>\n<\/tr>\n
    P<\/span><\/td>\nM\u00f4-\u0111un ngu\u1ed3n Li-Ion c\u00f3 th\u1ec3 s\u1ea1c l\u1ea1i<\/span><\/td>\n<\/tr>\n
    M\u00e3 s\u1ed1<\/span><\/td>\nCh\u1ee9ng nh\u1eadn s\u1ea3n ph\u1ea9m<\/span><\/td>\n<\/tr>\n
    KL<\/span><\/td>\n\u0110\u1ea1t ti\u00eau chu\u1ea9n an to\u00e0n n\u1ed9i t\u1ea1i ATEX, CSA (M\u1ef9\/Canada) v\u00e0 IECEx.<\/span><\/td>\n<\/tr>\n
    NA<\/span><\/td>\nKh\u00f4ng \u0111\u01b0\u1ee3c ch\u1ea5p thu\u1eadn<\/span><\/td>\n<\/tr>\n
    M\u00e3 s\u1ed1<\/span><\/td>\nT\u00f9y ch\u1ecdn kh\u00f4ng d\u00e2y<\/span><\/td>\n<\/tr>\n
    W<\/span><\/td>\nK\u1ebft n\u1ed1i kh\u00f4ng d\u00e2y (Wi-Fi\/Bluetooth)<\/span><\/td>\n<\/tr>\n
    9<\/span><\/td>\nKh\u00f4ng c\u00f3 k\u1ebft n\u1ed1i kh\u00f4ng d\u00e2y<\/span><\/td>\n<\/tr>\n
    M\u00e3 s\u1ed1<\/span><\/td>\n\u1ee6ng h\u1ed9<\/span><\/td>\n<\/tr>\n
    S1 \/ S3<\/span><\/td>\nH\u1ed7 tr\u1ee3 ti\u00eau chu\u1ea9n (1 n\u0103m \/ 3 n\u0103m)<\/span><\/td>\n<\/tr>\n
    P1 \/ P3<\/span><\/td>\nH\u1ed7 tr\u1ee3 cao c\u1ea5p (1 n\u0103m \/ 3 n\u0103m)<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
    \n

    Khuy\u1ebfn ngh\u1ecb c\u1ed5 phi\u1ebfu c\u1ee7a Yunrui<\/h2>\n

    \u0110\u1ec3 r\u00fat ng\u1eafn t\u1ed1i \u0111a th\u1eddi gian th\u1ef1c hi\u1ec7n d\u1ef1 \u00e1n, ch\u00fang t\u00f4i duy tr\u00ec l\u01b0\u1ee3ng h\u00e0ng t\u1ed3n kho l\u1edbn t\u1ea1i kho \u1edf T\u00e2y An \u0111\u1ec3 c\u00f3 th\u1ec3 v\u1eadn chuy\u1ec3n to\u00e0n c\u1ea7u ngay l\u1eadp t\u1ee9c:<\/p>\n

      \n
    • \n

      Trexchpklws3s: M\u1eabu c\u01a1 b\u1ea3n \u0111\u00e1ng tin c\u1eady ch\u1ec9 s\u1eed d\u1ee5ng giao th\u1ee9c HART, l\u00fd t\u01b0\u1edfng cho c\u00e1c khu v\u1ef1c nguy hi\u1ec3m.<\/p>\n<\/li>\n

    • \n

      Trexlhpklws3s (S\u1ea3n ph\u1ea9m b\u00e1n ch\u1ea1y nh\u1ea5t): Ti\u00eau chu\u1ea9n ng\u00e0nh. Bao g\u1ed3m ngu\u1ed3n \u0111i\u1ec7n v\u00f2ng l\u1eb7p v\u00e0 3 n\u0103m h\u1ed7 tr\u1ee3.<\/p>\n<\/li>\n

    • \n

      Trexlfpklws3s: S\u1ef1 l\u1ef1a ch\u1ecdn h\u00e0ng \u0111\u1ea7u cho c\u00e1c h\u1ec7 th\u1ed1ng hi\u1ec7n \u0111\u1ea1i s\u1eed d\u1ee5ng giao th\u1ee9c Foundation Fieldbus (FF).<\/p>\n<\/li>\n<\/ul>\n

      \n

      \"Original\"Original
      \nT\u1ea1i sao ch\u1ecdn C\u00f4ng ty TNHH Th\u01b0\u01a1ng m\u1ea1i T\u00e2y An Yunrui (Yunrui)?<\/h2>\n
        \n
      • \n

        H\u00e0ng t\u1ed3n kho s\u1eb5n s\u00e0ng giao: Ch\u00fang t\u00f4i chuy\u00ean cung c\u1ea5p c\u00e1c gi\u1ea3i ph\u00e1p r\u00fat ng\u1eafn th\u1eddi gian ch\u1edd \u0111\u1ee3i. H\u00e0ng t\u1ed3n kho c\u1ee7a ch\u00fang t\u00f4i \u0111\u00e3 \u0111\u01b0\u1ee3c ki\u1ec3m tra v\u00e0 s\u1eb5n s\u00e0ng cho v\u1eadn chuy\u1ec3n h\u00e0ng kh\u00f4ng qu\u1ed1c t\u1ebf.<\/p>\n<\/li>\n

      • \n

        H\u1ed7 tr\u1ee3 k\u00edch ho\u1ea1t chuy\u00ean nghi\u1ec7p: C\u00e1c thi\u1ebft b\u1ecb Trex y\u00eau c\u1ea7u k\u00edch ho\u1ea1t \u0111\u00e1m m\u00e2y c\u1ee5 th\u1ec3. \u0110\u1ed9i ng\u0169 k\u1ef9 thu\u1eadt c\u1ee7a ch\u00fang t\u00f4i s\u1ebd x\u1eed l\u00fd quy tr\u00ecnh n\u00e0y \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o thi\u1ebft b\u1ecb c\u1ee7a b\u1ea1n s\u1eb5n s\u00e0ng s\u1eed d\u1ee5ng ngay khi nh\u1eadn \u0111\u01b0\u1ee3c.<\/p>\n<\/li>\n

      • \n

        N\u1eafm v\u1eefng quy tr\u00ecnh h\u1eadu c\u1ea7n to\u00e0n c\u1ea7u: X\u1eed l\u00fd xu\u1ea5t kh\u1ea9u chuy\u00ean nghi\u1ec7p sang Trung \u0110\u00f4ng, \u0110\u00f4ng Nam \u00c1 v\u00e0 Ch\u00e2u \u00c2u.<\/p>\n<\/li>\n<\/ul>\n

        Vui l\u00f2ng gi\u1eef l\u1ea1i bao b\u00ec g\u1ed1c v\u00e0 s\u1ed1 seri \u0111\u1ec3 \u0111\u01b0\u1ee3c h\u01b0\u1edfng ch\u1ebf \u0111\u1ed9 b\u1ea3o h\u00e0nh to\u00e0n c\u1ea7u c\u1ee7a Emerson v\u00e0 h\u1ed7 tr\u1ee3 k\u1ef9 thu\u1eadt sau b\u00e1n h\u00e0ng c\u1ee7a Yunrui.<\/p>","protected":false},"excerpt":{"rendered":"

        In the field of process automation, handheld communicators are indispensable tools for configuring, commissioning, diagnosing, and maintaining smart field instruments. As a veteran supplier of Emerson and Rosemount products, Xi’an Yunrui Trading Co., Ltd. (Yunrui) has managed the industry transition from the 475 era to the AMS Trex era. To assist you in making the […]<\/p>\n","protected":false},"author":1,"featured_media":7947,"comment_status":"open","ping_status":"open","sticky":false,"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":""},"categories":[384,1],"tags":[],"class_list":["post-7944","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news","category-blogs"],"acf":[],"yoast_head":"\nEmerson AMS Trex vs. Rosemount 475: Technical Upgrade Guide -Yunrui<\/title>\n<meta name=\"description\" content=\"Compare the Emerson AMS Trex and Rosemount 475. 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