Dwyer Series 679
Weatherproof Pressure Transmitter±0.25% FS Accuracy, Compatible with Corrosive Materials, 4-20 mA Output
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.
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. |