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      2. Dwyer 636D 压差变送器

      产品中心 > 压力/压差 > Dwyer 636D 压差变送器

      Dwyer 636D 压差变送器

      品牌：DWYER
      测量气体、液体或水蒸气；多种量程：从0-41KPa到0-3.45MPa；精度：±0.5%FS ；输出：4-20mA或1-5VDC；NEMA4外壳，防爆
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      防爆，精度为±0.5%
      636D系列 防爆差压变送器能用于监测液体，气体和蒸汽的差压。精度为0.5% ，4-20mA的标准输出信号 ，可选1-5VDC输出 。NEMA 4 防护级别的外壳 ，全316不锈钢的材质能够用于恶劣的场合，可兼容绝大多数介质。它为CSA认证的防爆级别能用于危险场合 ，还达到美国腐蚀工程师协会的标准能用于海上设施。

      Service: Compatible Gases, Liquids Or Vapors.
      Wetted Materials: Types 316L SS.
      Accuracy: BFSL: ±0.5% F.S. (Includes Linearity, Hysteresis & Repeatability).
      Stability: ±1.0% F.S./Yr.
      Pressure Limits: 3 X Full Scale Differential Pressure; Burst: 2500 Psig.
      Temperature Limits: Ambient Operating: -40 To 140°F (-40 To 60°C); Process Interface: -40 To 212°F (-40 To 100°C); Storage: -40 To 212°F (-40 To 100°C).
      Compensated Temperature Range: -20 To 160°F (-29 To 71°C).
      Thermal Effect: ±2% F.S./50°F (Reference To 77°F).
      Power Requirements: 12-30 VDC For 4-20 MA Outputs; 8-14 VDC For 1-5 VDC Outputs, Both With Reverse Polarity Protection.
      Output Signal: 4 To 20 MA DC Or 1-5 VDC.
      Zero And Span Adjustments: Fixed.
      Response Time: 20 Ms.
      Loop Resistance: 900 Ohms Max. @ 30 VDC For Current Outputs. For Voltage Outputs, Minimum Lead Resistance 50k Ohms.
      Current Consumption: 4-20 MA For Current Output Models; 3 MA For Voltage Output Models.
      Electrical Connections: 2 Ft, 22 AWG Cable; 3/4" Female NPT Conduit.
      Process Connection: Two 1/2" Female NPT.
      Enclosure Rating: NEMA 4 (IP65).
      Mounting Orientation: ±0.05 Psi/90° Rotation From Horizontal.
      Weight: 1.8 Lb (0.82 Kg).
      Agency Approvals: CSA Approved Explosion-Proof For Class I, Division 1, Groups B, C And D; Class II, Groups E, F, And G; Class III.






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