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Plastic-housed differential pressure transducer with brass hose-barb fitting and screw terminals

Ashcroft

Ashcroft CX8MB242P25IW pressure transducer 0.25 InWC

SKU CH-5WBV-JFP2H

Measures differential pressure up to 0.25 inWC with 4–20 mA output, ±0.80 % accuracy and 15 psid overpressure rating

  • TypeElectronic
  • Accurate low-pressure measurement with ±0.80 % full-scale precision
  • 4–20 mA two-wire loop simplifies installation and signal integrity
  • Operates from 12 to 36 V DC for flexible power options
  • Rugged plastic housing meets NEMA 1 and UL94-5VA safety ratings
  • Brass hose-barb fitting handles 15 psid overpressure and 25 psid burst pressure

Differential pressure transducer for low-range

The Ashcroft CX8MB242P25IW is a new electronic differential transmitter built to measure very small pressure differences. It covers a range from 0 to .25 in wc and delivers a 4 to 20mA DC output signal. The two-wire design simplifies wiring in control panels and building automation systems. It is suited for technicians who need reliable low-pressure sensing in HVAC or process applications.

Stable output within tight accuracy across

Accuracy is rated at +/- .80 percent of full scale, so the signal remains consistent from zero to the top of the range. The transmitter operates on a 12 to 36V DC supply, tolerating normal voltage variation without drift. Overpressure protection reaches 15 psid and burst pressure is rated at 25 psid, guarding the sensor during system transients. The plastic housing carries a NEMA 1 rating and meets UL94-5VA flammability requirements for indoor use.

Quarter-inch hose barb fitting for direct tubing

The process connection is a male 1/4 in hose barb made of brass, allowing push-on tubing without additional adapters. Electrical connections use screw terminals for secure field wiring. This fitting size and type determine whether the unit integrates with existing pneumatic lines. Buyers who need a different thread form, a larger barb or a panel-mount interface will need another model.

Highlights

  • Accurate low-pressure measurement with ±0.80 % full-scale precision
  • 4–20 mA two-wire loop simplifies installation and signal integrity
  • Operates from 12 to 36 V DC for flexible power options
  • Rugged plastic housing meets NEMA 1 and UL94-5VA safety ratings
  • Brass hose-barb fitting handles 15 psid overpressure and 25 psid burst pressure

Specifications

BrandASHCROFT
TypeElectronic

Questions about this item

How much power does the CX8MB242P25IW draw when it runs continuously on a 24 V DC supply?

The transmitter operates on a 12 to 36 V DC loop and outputs 4 to 20 mA, so current draw stays within that 4 to 20 mA range regardless of supply voltage.

What wiring and fittings must I have on hand to install this transducer?

You need a 12 to 36 V DC power source, two-wire cable for the screw terminals and 1/4 inch hose or tubing that fits the male hose-barb process connection.

Will the brass hose-barb fitting and plastic housing hold up next to older metal manifolds rated for higher pressure?

The brass fitting and plastic housing are rated for 15 psid overpressure and 25 psid burst, so they are compatible with systems that stay within those limits.

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