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White plastic pressure transducer with brass hose barb fitting and screw terminals

Ashcroft

Ashcroft CX8MB242P5IW Pressure Transducer 0.5 in WC

SKU CH-3YN7-A5NBK

Measures differential pressure from 0 to .5 in WC with a 4 to 20mA output and .80% accuracy

  • TypeElectronic
  • Accurate low-pressure monitoring with ±0.80 % full-scale precision
  • Reliable 4–20 mA loop output over two wires
  • Wide 12–36 V DC supply range simplifies integration
  • Safe plastic housing rated NEMA 1 and UL94-5VA
  • Durable brass hose-barb fitting withstands 15 psid overpressure

Product identity

The Ashcroft CX8MB242P5IW is a differential pressure transducer calibrated for a 0 to 0.5 in WC range. It delivers a 4 to 20 mA DC output signal powered by a 12 to 36V DC supply. The unit uses a two-wire loop configuration with screw-terminal connections and a 1/4 in male hose barb process fitting.

Suitable applications

This transmitter suits HVAC and building-automation tasks that require low-pressure differential monitoring with NEMA 1 enclosure protection. The +/-0.80 percent full-scale accuracy and plastic housing limit its use in high-vibration, wash-down or hazardous-area installations where a higher IP rating or ruggedised metal housing is required.

Sustained-load behaviour

The brass fitting and plastic housing withstand a 15 psid overpressure limit and a 25 psid burst rating during continuous operation. The UL94-5VA rated housing material maintains its flammability classification under prolonged thermal stress. The two-wire 4 to 20 mA loop maintains signal integrity over long cable runs without voltage-drop errors that affect voltage-output devices.

Highlights

  • Accurate low-pressure monitoring with ±0.80 % full-scale precision
  • Reliable 4–20 mA loop output over two wires
  • Wide 12–36 V DC supply range simplifies integration
  • Safe plastic housing rated NEMA 1 and UL94-5VA
  • Durable brass hose-barb fitting withstands 15 psid overpressure

Specifications

BrandASHCROFT
TypeElectronic

Questions about this item

What power supply do I need to run the CX8MB242P5IW transducer?

Provide 12 to 36V DC to the two-wire screw terminals; the loop draws 4 to 20mA DC.

Can I connect the 1/4 in hose-barb fitting to my existing brass manifold?

Yes, the male 1/4 in hose barb is brass and threads into standard 1/4 in NPT female ports.

How do I verify the transducer is calibrated correctly after wiring?

Apply 0 in wc and confirm 4 mA output, then apply .5 in wc and confirm 20 mA output within .80 percent full-scale accuracy.

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