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Stainless steel industrial pressure gauge 2 1/2 inch dial 0 to 300 psi white face polycarbonate lens bottom connection

Ashcroft

Ashcroft 251009 2 1/2 in 0-300 psi Pressure Gauge

SKU CH-AXEQ-DN9KF

Industrial pressure gauge with a 2 1/2 in dial measuring 0 to 300 psi, +/- 1.0 percent accuracy, 304 stainless-steel case and IP54/IP65 protection

  • Product typeElectronic
  • +/- 1.0% accuracy for precise readings
  • 2 1/2 in dial for clear visibility
  • 304 stainless steel case resists corrosion
  • IP54 vented and IP65 sealed protection
  • 1/4 in NPT male bottom connection

2 1/2 in Industrial Pressure Gauge

The Ashcroft 251009 is a 2 1/2 inch industrial pressure gauge designed for measuring fluid or gas pressure up to 300 psi. It features a 304 stainless steel case with a polycarbonate lens and a white dial marked with a primary range of 0 to 300 psi. The gauge offers an accuracy of +/- 1.0 percent and uses a 1/4 inch male NPT bottom connection. It is rated IP54 when the vent plug is open and IP65 with NEMA 4 when the plug is closed.

Suitable Applications

This gauge suits technicians and operators who need a dry, bottom-mounted instrument for general industrial pressure monitoring within the stated range and accuracy. It is not intended for buyers who require liquid-filled dampening for high-vibration environments or those needing a field-fillable case for on-site fluid changes. The lack of specific vibration resistance rating also means it should not be selected for severe pulsation or mechanical shock conditions.

Enclosure and Connection Details

The 304 stainless steel case and polycarbonate lens provide corrosion resistance and durability in metallic finish. The dual IP rating allows the user to choose between vented operation for pressure relief or a sealed IP65 NEMA 4 configuration for wash-down protection by closing the plug. The fixed 1/4 inch male NPT bottom connection determines the mounting orientation and thread compatibility without adapter requirements.

How it compares

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

Price $75.99
Pricier than about 58% of the 3,030 comparable items (median $54.99).

Specifications

Product
Brand nameASHCROFT
Product typeElectronic

Questions about this item

What thread size must my existing port have to accept the 1/4 in NPT male connection on the Ashcroft 251009?

The gauge has a 1/4 in NPT male process connection, so the mating port must be a 1/4 in NPT female thread.

Will the 304 stainless-steel case and polycarbonate lens resist the same chemicals as the brass fittings I already use?

The case is 304 stainless steel and the lens is polycarbonate; their chemical resistance differs from brass, so verify compatibility with your specific media.

How can I confirm the gauge reads within its stated accuracy after installation?

Apply a known reference pressure and verify the pointer stays within +/- 1.0 percent of the 0 to 300 psi scale.

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