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0 to 40 inH2O, Differential Pressure, Max. Pressure 20 psig


Item# 616W-5

In stock

Lead Time (If not in stock): 3 weeks
0 to 40 inH2O, Differential Pressure, Max. Pressure 20 psig 616W-5 616W-5

Dwyer Instruments is now a DwyerOmega brand. We're working together to bring you the best products in a single shopping experience.

  • NEMA 4X rated enclosure provides protection in harsh environments permitting outdoor monitoring or in areas where dust and particulate matter exists
  • Easy to read LCD display provides immediate local alerts allowing corrective action to be taken quicker to eliminate the problem from becoming widespread
  • Zero and span controls provides easy calibration checks and shorter installation time to get device running and monitoring
  • Product applications include dust collection, outdoor HVAC, and roof-top equipment

616W-5 Model Options

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Additional Features
Pressure Range
Pressure Type
Accuracy Class
Output Signal
Electrical Output
Pressure Port Size
Pressure Port Type
Operating Temperature Range
Accuracy Value

  • Compensated Temperature 20 to 120°F (-6.67 to 48.9°C)
  • Operating Temperature -4 to 158°F (-20 to 70°C).
  • Supply Voltage 10-36 VDC
  • Weight 8.9-9.5 oz (253-269 g)
  • Output 4 to 20 mA
  • Ingress Protection IP66
  • Long Term Drift ±1% FS/yr.
  • Output Wiring 4-wire removable European style terminal block for 16 to 26 AWG.
  • Process Connection Barbed
  • Thermal Error ±0.02% FS/°F (±0.036% FS/°C).
  • Accuracy Value 0.25% FS Accuracy
  • Wetted material Consult Factory

Dwyer Instruments is now a DwyerOmega product brand


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 display allows local indication of pressure.

DS-616W-wiring DS-616W-order
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Rated 1 out of 5 by from Not the quality i'd expect from Dwyer. These are junk. Out of 3 units purchased, one came DOA, and even after warrantee repair, didnt work properly, a second one failed after less than 3 weeks of operation.
Date published: 2024-05-21
Rated 5 out of 5 by from Excellent shipping, excellent product. This item came in fully functional and we had no problems.
Date published: 2024-01-19
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