Dwyer Sales Department: 1-201-419-6111 ext. 26 for Sales Group  |  dwyer@nciweb.com


Dwyer Series 679

Weatherproof Pressure Transmitter

±0.25% FS Accuracy, Compatible with Corrosive Materials, 4-20 mA Output

Dwyer Series 679The Dwyer Series 679 Pressure Transmitter is compatible with a wide range of gases and liquids, and is specially designed for weatherproof service NEMA 4 (IP56). The Model 679 can measure pressures with an accuracy of ±.25%. This model provides a 4-20 mA output and is field adjustable.

Dwyer Series 679 Specifications:
  • Service: Corrosive liquids and gases.
  • Accuracy: ±.25% FS (includes non-linearity, hysteresis and non-repeatability).
  • Pressure Limits: See Catalog page.
  • Output: 4-20 mA, 2-wire.
  • Supply Voltage: 9-30 VDC.
  • Loop Resistance: 800 ohms.Zero and Span Adjustment:±15%, non-interactive.
  • Stability: Less than .5% FS/year.
  • Temperature Limits: -40 to 260°F (-40 to 125°C) 10 to 90% RH, non-condensing.
  • Compensated Temperature Range: -4 to 176°F (-20 to 80°C).
  • Pressure Connection: 1/4" male NPT.
  • Wetted Parts: Corrosive resistant 17-4 PH Stainless Steel.
  • Enclosure: Aluminum.
  • Electrical Connections: Two 1/2" conduit ports.
  • Weight: 13.4 oz (380 g).
  • Agency Approvals: CE.

Popular Models:

MODEL NUMBERS DESCRIPTION
679-0 Weatherproof pressure transmitter, range 0-25 psi, overpressure 100 psi.
679-1 Weatherproof pressure transmitter, range 0-50 psi, overpressure 150 psi.
679-2 Weatherproof pressure transmitter, range 0-100 psi, overpressure 300 psi.
679-3 Weatherproof pressure transmitter, range 0-250 psi, overpressure 500 psi.
679-4 Weatherproof pressure transmitter, range 0-500 psi, overpressure 1000 psi.
679-5 Weatherproof pressure transmitter, range 0-1000 psi, overpressure 2000 psi.
679-6 Weatherproof pressure transmitter, range 0-3000 psi, overpressure 4500 psi.
679-7 Weatherproof pressure transmitter, range 0-5000 psi, overpressure 7500 psi.
679-8 Weatherproof pressure transmitter, range 0-10000 psi, overpressure 12000 psi.