Dwyer 631B Series, WET/ WET Differential Pressure Transmitter Ranges Down to 0.5" w.c. with 500 psi Static Pressure Rating
The Dwyer Series 631B Capsuhelic® Differential Pressure Transmitter monitors differential pressure of air and compatible gases and liquids with accuracy.
The design employs converting pressure changes into a standard 4-20 mA output signal for two wire circuits. Digital push-button, zero and span adjustments are easily accessed on the front cover.
The Series 631 Differential Pressure Transmitter is designed to meet NEMA 4X ( IP66) construction. Robust housing offers 500 psi static pressure ratinng on ranges down to 0.5" w.c.
Spesifications :
Service: Compatible gases & liquids.
Wetted Materials: Brass, silicone, 300 SS.
Accuracy: Transmitter Output: ± 2% F.S. ( includes linearity, hysteresis and repeatability) .
Gage: ± 3% of full scale at 70° F ( 21.1° C) .
Stability: ± 1% F.S./ yr.
Temperature Limits: 20 to 120° F. ( -6.67 to 48.9° C) .
Pressure Limits: -20" Hg to 500 psig ( 0.677 to 34.4 bar) .
Thermal Effect: 0.025% / ° F ( 0.045% / ° C) includes zero & span.
Power Requirements: 10-35 VDC.
Output Signal: 4 to 20 mA.
Loop Resistance: 0-1250 ohms maximum.
Electrical Connections: M-12 circular 4 pin connector.
Process Connections: 1/ 4" female NPT high and low pressure taps, duplicated - one pair top for air and gas, and one pair bottom for liquids.
Enclosure Rating: Designed to meet NEMA 4X ( IP66) .
Mounting Orientation: Diaphragm in vertical position.
Consult factory for other position orientations.
Weight: 8 lb 4 oz ( 3.74 kg) .
Agency Approvals: CE.
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