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Round low-pressure gauge with a 2 1/2 inch dial and 1/4 inch NPT bottom connection

Value Brand

Value Brand Low Pressure Gauge 0 to 10 psi 2 1/2 in Dial 1/4 in NPT 18C775

SKU CH-HPDY-A0WYZ

A low-pressure gauge measuring 0 to 10 psi with a 2 1/2 in dial, 1/4 in NPT connection and +/- 1.5 percent accuracy

  • TypeElectronic
  • Measures up to 10 psi for low-pressure systems
  • +/- 1.5 percent accuracy gives reliable readings
  • Steel case with polycarbonate lens resists damage
  • Copper alloy diaphragm sensor suits compatible media
  • 1/4 in NPT male bottom connection fits standard ports

Low Pressure Gauge 0 to 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 quarter inch male NPT bottom connection. The steel case and polycarbonate lens protect the movement in general industrial settings. It suits technicians who need a direct-reading instrument for low-pressure air or compatible fluid lines.

Quarter inch NPT bottom mount

The quarter inch male NPT thread screws straight into a matching female port without adapters. A standard wrench on the copper alloy socket hex tightens the joint; over-tightening can strip the threads or distort the diaphragm seat. The gauge is not panel-mountable, so it must be supported by the process piping or a separate bracket. No electrical wiring or calibration procedure is required before use.

Accuracy under continuous pressure

The stated accuracy is plus or minus one and a half percent of full scale across the operating range. The diaphragm sensor and copper alloy internals maintain this tolerance during sustained pressure cycles rather than only during brief test bursts. The steel case and polycarbonate lens resist environmental exposure, though the gauge carries no IP or NEMA rating. California Proposition 65 warnings apply for cancer and reproductive harm.

Highlights

  • Measures up to 10 psi for low-pressure systems
  • +/- 1.5 percent accuracy gives reliable readings
  • Steel case with polycarbonate lens resists damage
  • Copper alloy diaphragm sensor suits compatible media
  • 1/4 in NPT male bottom connection fits standard ports

Specifications

BrandZORO SELECT
TypeElectronic

Questions about this item

How can I confirm the gauge is reading within its +/- 1.5 percent accuracy after installation?

Apply a known reference pressure up to 10 psi and compare the needle position on the 2 1/2 in dial to the reference value; the reading should fall within the stated tolerance.

What comes with the gauge and what extra parts are needed to connect it to a 1/4 in NPT port?

The gauge includes a steel case, polycarbonate lens, copper alloy diaphragm sensor and a male 1/4 in NPT bottom connection; pipe sealant or thread tape for the NPT joint must be purchased separately.

Which version should I choose if I need a low-pressure gauge rated for 10 psi with a bottom-mounted male NPT fitting?

This model 18C775 is the only version listed with a 0 to 10 psi range, 2 1/2 in dial and 1/4 in NPT male bottom connection.

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