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Differential Pressure Transmitter

Series 616WL

The Series 616WL Differential Pressure Transmitter senses very low pressures of air and non-combustible, compatible gases and sends a standard 4-20 mA output signal. All models, including those featuring the 3 digit LCD digital read-out, are factory calibrated to specific ranges as listed in the chart below. Positive, negative and differential pressures can be measured within a full span accuracy of ±0.50%. This weatherproof unit is enclosed in a polycarbonate case, designed to meet (IP66/NEMA 4X). Internal digital push button zero and span allow for quick and simple field calibration.

  • Service: Air and non-combustible, compatible gases
  • Wetted Materials: Consult factory
  • Accuracy: ±0.50% 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 Catalog page
  • Thermal Effect: ±0.02% F.S./°F (0.036% F.S./°C)
  • Power Requirements: 12-30 VDC (2-wire)
  • Output Signal: 4 to 20 mA
  • Zero and Span Adjustments: Digital, Push Button Adj
  • Loop Resistance: DC; 0-900 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 and 4.76 mm) I.D. rubber or vinyl tubing
  • Enclosure Rating: NEMA 4X (IP66)
  • Mounting Orientation: Vertical, consult factory for other position orientations
  • Weight: Without LCD 17 oz (482 g); with LCD 18 oz (510 g)
  • Agency Approvals: CE


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