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Differential Pressure Transmitter

Series 616W

Positive, negative and differential pressures can be measured within a full span accuracy of ±0.25 with the Series 616W Differential Pressure Transmitter. Units are enclosed in a polycarbonate case, rated NEMA 4X (IP66) and operate by sensing the pressure of air and compatible gases then sending a standard 4-20 mA output signal. Design enables operation in 2-wire current loops. A wide range of models are available factory calibrated to specific ranges. The span and zero controls are for use when checking calibration. They are not intended for re-ranging to a significantly different span. The LCD (as shown to the left) allows local indication of pressure.

  • Service: Air and non-combustible, compatible gases
  • Wetted Materials: Consult factory
  • Accuracy: ±0.25% F.S., display accuracy ±0.5%
  • Stability: ±1% F.S./yr
  • Temperature Limits: 0 to 140°F (-17.8 to 60°C)
  • Compensated Temperature Limits: 20 to 120°F (-6.67 to 48.9°C)
  • Pressure Limits: See Ordering page
  • Thermal Effect: ±0.02% F.S./°F (0.0012% F.S./°C)
  • Power Requirements: 10-35 VDC (2-wire)
  • Output Signal: 4 to 20 mA
  • Zero and Span Adjustments: Potentiometers for zero and span
  • Loop Resistance: DC; 0-1250 ohms maximum
  • Current Consumption: DC; 38 mA maximum
  • Electrical Connections: Screw-type terminal block
  • Process Connections: Barbed, dual size to fit 1/8" and 3/16" (3.12 mm and 4.76 mm) I.D. rubber or vinyl tubing
  • Enclosure Rating: NEMA 4X
  • Mounting Orientation: Vertical, consult factory for other position orientations
  • Weight: Without LCD 8.8 oz (249 g); with LCD 9.6 oz (272 g)
  • Agency Approvals: CE.




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