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Round steel-cased gauge with 2 1/2 in polycarbonate dial and center-back 1/4 in NPT fitting

Value Brand

Value Brand Low Pressure Gauge 0 to 10 psi 2 1/2 in Dial 1/4 in NPT

SKU CH-V9XR-A0GHC

Low-pressure gauge reads 0 to 10 psi with ±2.5 % accuracy, 2 1/2 in dial, copper-alloy diaphragm sensor and 1/4 in NPT centre-back connection

  • TypeElectronic
  • Accuracy within 2.5 % for reliable low-pressure readings
  • 0 to 10 psi range covers common pneumatic and hydraulic checks
  • Copper-alloy diaphragm sensor resists corrosion in tough environments
  • 2 1/2 in polycarbonate lens gives clear visibility at a glance
  • 1/4 in NPT centre-back connection fits standard fittings directly

Low Pressure Gauge 0-10 psi

This low pressure gauge measures from zero to ten psi with a two and a half inch dial. It uses a diaphragm sensor made from copper alloy and a steel case with a polycarbonate lens. The quarter inch male NPT connection is located at the centre back. It is suited for technicians who need a direct-reading instrument for low-pressure air or gas lines.

Accuracy class and sensor design

The gauge carries an accuracy of plus or minus two and a half percent of full scale. The diaphragm sensor replaces simpler bourdon tube designs that can lose resolution at very low pressures. The copper alloy socket and sensor resist corrosion in compatible media. The jump is worthwhile when readings below fifteen psi must be repeatable and the process connection must seal directly into a quarter inch NPT port.

Installation notes and common issues

The centre back connection threads straight into a female NPT fitting; apply pipe sealant sparingly to avoid contaminating the diaphragm. Over-tightening can distort the sensor and shift the zero point. The gauge is not panel mountable, so it must be supported by the piping or a separate bracket. Vibration and pressure spikes above the ten psi range can damage the diaphragm assembly.

Highlights

  • Accuracy within 2.5 % for reliable low-pressure readings
  • 0 to 10 psi range covers common pneumatic and hydraulic checks
  • Copper-alloy diaphragm sensor resists corrosion in tough environments
  • 2 1/2 in polycarbonate lens gives clear visibility at a glance
  • 1/4 in NPT centre-back connection fits standard fittings directly

Specifications

BrandZORO SELECT
TypeElectronic

Questions about this item

What size NPT thread does the 1/4 in connection require for mounting?

The gauge uses a 1/4 in male NPT process connection, so it threads directly into a matching 1/4 in female NPT port.

How do I install the centre-back connection without cross-threading the copper-alloy socket?

Start the 1/4 in male NPT threads by hand, turning clockwise until snug, then finish with a wrench on the socket flats — do not force the gauge case.

When should I replace the gauge if the diaphragm sensor drifts beyond the stated accuracy?

Replace the unit if readings deviate more than +/- 2.5 percent of the 0 to 10 psi scale, as the copper-alloy diaphragm cannot be recalibrated.

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