Series 631B Capsuhelic® Wet/Wet Differential Pressure Transmitter

Ranges Down to 0.5 in w.c. with 500 psi Static Pressure Rating

No longer available.

California Residents:  Click Here for Proposition 65 WARNING.


Compatible gases & liquids.
Wetted Materials:
Brass, silicone, 300 SS.
Transmitter Output: ±2% FS (includes linearity, hysteresis and repeatability). Gage: ±3% FS at 70°F (21.1°C).
±1% FS/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 to 35 VDC.
Output Signal:
4 to 20 mA.
Loop Resistance:
0 to 1250 Ω 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.
8 lb 4 oz (3.74 kg).
Agency Approvals:

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