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  1. Pressure Sensors

Dwyer 631B Capsuhelic Differential Pressure Transmitter

Designed for wet/wet media in ranges from 0 to 5 inH2O to 0 to 25 inH2O with a 500 psi static pressure rating & 4-20 mA output.

Dwyer 631B Capsuhelic Differential Pressure Transmitter
Dwyer 631B Capsuhelic Wet/Wet Differential Pressure Transmitter
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Overview

Features

  • Ranges from 0 to 0.5 inH2O up to 0 to 25 inH2O
  • Static pressure rating of 500 psi
  • Accuracy
    • ±2% FS (transmitter)
    • ±3% FS (gauge)
  • Designed for use with air, compatible gases & liquids
  • 4-20mA output for two-wire circuits
  • Digital push-button zero & span adjustments
  • NEMA 4X (IP66) construction

Description

The Dwyer 631B Capsuhelic Differential Pressure Transmitter monitors pressure of air and compatible gases and liquids in ranges from 0 to 5 inH2O up to 0 to 25 inH2O with a 500 psi static pressure rating. Housed in NEMA 4X (IP66) construction, the Dwyer 631B features a 4 to 20 mA output signal for two-wire circuits as well as digital push-button zero and span adjustments, which can be easily accessed via the front cover.

Applications for the 631B include:

  • Refrigeration Equipment
  • Energy and Water Management
  • Liquid Level in Water Storage Tanks

Documents

Spec Sheets

  • Dwyer 631B Capsuhelic Wet/Wet Differential Pressure Transmitter Datasheet PDF (554 KB)

Manuals

  • Dwyer 631B Capsuhelic Wet/Wet Differential Pressure Transmitter Manual PDF (218 KB)

Links

  • All possible part numbers

Accessories

Dwyer A-370 Flush Mount Bracket
Dwyer A-370 Flush Mount Bracket

Flush mount bracket, steel with gray hammertone epoxy finish.

Call for pricing
Dwyer A-164 Female Connector
Dwyer A-164 Female Connector

16.4 ft (5 m) cable with M-12 4-pin female connector.

Call for pricing
Dwyer A-276 Precision Resistor
Dwyer A-276 Precision Resistor

Precision resistor, 250 and 500 ohm resistors available.

Select options for pricing

Need Help? Call a Temperature engineer at 1-800-884-4967

We're open Mo-Th 8am to 5:30pm. Fr 8am to 5pm ET

Ron J. headshot Ron J.
Temperature Engineering Lead
29 years at Instrumart
Dwight M. headshot Dwight M.
Senior Applications Engineer
28 years at Instrumart
Shawn D. headshot Shawn D.
Senior Applications Engineer
20 years at Instrumart
Rhys D. headshot Rhys D.
Applications Engineer
Luke M. headshot Luke M.
Applications Engineer
5 years at Instrumart
Alex A. headshot Alex A.
Senior Applications Engineer
19 years at Instrumart
David S. headshot David S.
Applications Engineer
Ron J. headshot Ron J.
Temperature Engineering Lead
29 years at Instrumart
Dwight M. headshot Dwight M.
Senior Applications Engineer
28 years at Instrumart
Shawn D. headshot Shawn D.
Senior Applications Engineer
20 years at Instrumart
Rhys D. headshot Rhys D.
Applications Engineer
Luke M. headshot Luke M.
Applications Engineer
5 years at Instrumart
Alex A. headshot Alex A.
Senior Applications Engineer
19 years at Instrumart
David S. headshot David S.
Applications Engineer
Ron J. headshot Ron J.
Temperature Engineering Lead
29 years at Instrumart

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Dwyer 631B Capsuhelic Differential Pressure Transmitter
Dwyer 631B Capsuhelic Differential Pressure Transmitter
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