The 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.
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.