Gas Differential Pressure Transmitter; Multiple Ranges: from 0-25Pa to 0-30KPa; Accuracy: ±2% FS; Output: 4-20mA

Visible setpoint adjustment within 5 standard ranges, 0.05"～12" W.C., repeatability 1%.

Dwyer's 604A Series differential pressure transmitters can offer ranges as low as 0 - 0.1" W.C. and can withstand continuous pressures up to 30 Psig. The rigid nylon housing provides easy installation and barbed connections. The transmitter is compact and lightweight, providing ±2% accuracy over the full range. Output signal is 4 - 20 mA. Zero and span adjustments and terminal block connections are protected by the auxiliary housing and are easy to operate.

Physical Data

General Type

Maximum Pressure: 50 PSIG surge pressure, 30 PSIG continuous pressure.

Media Compatibility: Air or non-explosive, non-corrosive gases.

Electrical

Power: 13-35 VDC - 2, 3, or 4-wire; 18-26 VAC - 4-wire

Connection: 4-screw terminal block

Output Signal: 4 - 20 mA DC (Limited at 38 mA DC)

Coil Impedance: DC; 0 - 1100 Ohms, AC; 0 - 1130 Ohms

Current Consumption: DC; 38 mA Max, AC; 76 mA Max.

Materials

Metal and glass-filled nylon housing, high-density acrylic cover, silicone diaphragm.

Mechanical

Weight: 6 oz

Span and Zero Adjustment: Protected potentiometer

Pressure Connection: Barbed connection, suitable for 3/16" I.D. tubing, operating at 70°F

Zero Output: 4 mA DC

Full-Scale Output: 20 mA DC

Accuracy (including linearity, hysteresis, repeatability): ±2% of full-scale output

Span and Zero: Adjustable up to 0.05% of full scale

Warm-up Time: 10 minutes

Environment

Operating Temperature: 20° to 120°F

Thermal Error: Typically ±1%/50°F

Standard Accessories: Mounting screws (2), #10*1" pan head screws