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    E+H压力变送器 PMC51
    发布时间:2014-03-31 浏览量:3994

    产品描述

    采用陶瓷传感器的压力变送器

    具有模拟, HART, PROFIBUS PA 或FF基金会现场总线通信协议

     

     

    优点

    • 极高的可重复性和长期运行稳定性

    • 高精度: ±0.15%,铂金级:±0.075%

    • 量程比100:1

    • 全模块化设计用于差压、静压和压力(Deltabar M - Deltapilot M - Cerabar M), 如:
      - 可更换的显示单元
      - 通用的电子模块

    • 调试简单,不需要借助其他操作工具

    • 现场菜单引导式操作
      – 通过现场显示模块
      – 通过4 ... 20 mA HART
      – 通过PROFIBUS PA
      – 通过FF基金会现场总线

    应用领域

    Cerabar M压力变送器可用于解决以下测量问题:

    • 各种过程控制领域中气体、蒸汽或液体的绝压和表压测量
    • 测量液体液位、体积或质量
    • 过程温度最高可达 125°C (302°F)
    • 通过多种认证,满足世界各地的应用需求
      测量原理 Hydrostatic
      Characteristic / Application Smart and reliable pressure transmitter, with capacitive measuring cell and ceramic process isolating diaphragm (Ceraphire)
      Supply / Communication 4 ..20mA HART:
      11,5...45V DC
      Ex ia: 11,5...30V DC
      PROFIBUS PA
      FOUNDATION Fieldbus
      Accuracy 0,15%
      Platinum 0,075%
      Long term stability 0,1% of URL/year
      Ambient temperature -40°C...85°C
      (-40°F...185°F)
      Process temperature -20°C...125°C
      (-4°F...275°F)
      Process pressure absolute / max. overpressure limit 60bar (900psi)
      Pressure measuring range 100mbar...40bar
      (1.5psi...600psi)
      Main wetted parts Ceraphire
      Sealing
      Alloy C276
      316L
      Process connection Threads
      Flanges (DIN, ANSI, JIS)
      Max. measurement distance 400m (1312ft) H2O
      Output 4...20 mA HART
      PROFIBUS PA
      FOUNDATION Fieldbus
      Certificates / Approvals ATEX
      CSA
      FM
      IECEx
      TIIS
      NACE
      SIL
      3A/ EHEDG approvals
      inspection certificates
      Options local display
      Application limits Measuring cell: ceramics
      If pressurized, possibly use differential pressure measurement with two pressure transmitters (electronic dp). Observe ratio head pressure : hydrostatic pressure
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