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Dwyer Series
604A

Differential Pressure Transmitter
±2% Full Span Accuracy, Pressure Rated to 30 psig


Patent No. 301,018

SPECIFICATIONS
Service: Air and non-combustible, compatible gases.
Wetted Materials: Consult factory.
Accuracy: ±2% of full span output (includes linearity, hysteresis and repeatability).
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: 30 psig (206.8 kPa) continuous; 50 psig (344.7 kPa) surge.
Thermal Effect: ±0.025% F.S./°F (0.045% F.S./°C).
Power Requirements: 10-35 VDC (2-wire*).
Output Signal: 4 to 20 mA.
Zero and Span Adjustments: Internally accessible Potentiometers.
Loop Resistance: DC; 0-1250 ohms maximum.
Current Consumption: DC; 38 mA maximum.
Electrical Connections: Terminal block.
Process Connections: Barbed, for 3/16" (4.76 mm) I.D. tubing.
Mounting Orientation: Diaphragm in vertical position. Consult factory for other position orientations.
Weight: 5.6 oz (159 g).
Agency Approvals: CE.

*Optional 3, 4 wire configurations available, contact factory.

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