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Ashcroft 451134 electronic differential pressure gauge, 4.5 inch dial, silver metal case, 1/8 NPT ports

Ashcroft

Ashcroft 451134 Differential Pressure Gauge 0-10 In H2O

SKU CH-NHY0-8R47D

Measures differential pressure from 0 to 10 In H2O with ±2% accuracy and a 4.5 In dial for air and non-combustible gas

  • Product typeElectronic
  • Measures differential pressure up to 10 In H2O
  • ±2 % accuracy for reliable readings
  • 5 in dial gives clear visibility
  • Handles total pressure up to 35 PSI
  • Operates in ambient temperatures up to 170 °F

Purpose and User

The Ashcroft 451134 is an electronic differential pressure gauge calibrated for a 0 to 10 In WC range. It suits technicians who need to measure low-pressure air or non-combustible gas in HVAC, laboratory or industrial test setups.

Build and Connections

A 4.5 In dial provides clear local indication while the 1/8 In NPT process connection allows direct piping into existing lines. The gauge is rated for 35 PSI total pressure and operates reliably from 0 to 170 Deg F ambient conditions.

Range and Accuracy Limits

The instrument delivers +/-2% accuracy across its span with minor divisions of .25 In WC for fine reading. It is not intended for combustible media or pressures beyond the stated range and total-pressure rating.

How it compares

Measured against everything we stock in Meters, Testers & Measuring Tools, at today’s prices. Recalculated every night.

Price $84.99
Pricier than about 61% of the 3,030 comparable items (median $54.99).

Specifications

Product
Brand nameASHCROFT
Product typeElectronic

Questions about this item

What differential-pressure range does the 451134 cover and what is its stated accuracy?

The gauge reads 0 to 10 In H₂O with a published accuracy of ±2 % of full scale.

What process connection and dial size does the 451134 require for mounting?

It uses a 1/8 In NPT connection and has a 4.5 In dial diameter.

How is the 451134 installed and what step is commonly missed?

Thread the 1/8 NPT ports into the air or non-combustible-gas line, apply suitable sealant, and remember to zero the pointer at atmospheric pressure before use.

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