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Ashcroft 451279 pressure gauge, 4 1/2 inch phenolic case, black, white dial, 0 to 160 psi

Ashcroft

Ashcroft 451279 Pressure Gauge 0-160 psi 4 1/2 in

SKU CH-WDHA-BCA3R

Measures pressure up to 160 psi with a 4 1/2 inch dial and ±0.5 percent accuracy

  • TypeElectronic
  • Accurate readings within +/- .5 percent
  • 0 to 160 psi range suits many processes
  • 4 1/2 inch dial for clear visibility
  • Phenolic case resists harsh environments
  • PLUS! Performance dampens vibration without liquid fill

Ashcroft 451279 Pressure Gauge 0-160 psi

This Ashcroft process pressure gauge measures from 0 to 160 psi with a nominal dial size of 4 1/2 inches. It offers an accuracy of +/- 0.5 percent and features a black phenolic case with a white dial and glass lens. The male NPT process connection is 1/2 inch and located at the bottom. It is designed for industrial pressure monitoring applications.

PLUS! Performance dry dampening feature

The gauge includes a PLUS! Performance dry dampening feature that provides vibration resistance without liquid fill. This dry case vibration-dampened design eliminates the need for field filling and reduces pointer flutter in high-vibration environments. The phenolic case material offers chemical resistance suitable for harsh process conditions. It maintains readability without the maintenance of glycerin-filled alternatives.

0 to 160 psi range with 0.5 percent accuracy

This gauge comfortably handles process pressure measurement up to 160 psi with a tight accuracy tolerance of +/- 0.5 percent. The 4 1/2 inch dial provides clear visibility for operators monitoring system pressure. It runs out of range beyond 160 psi and is not rated for IP or NEMA environmental sealing. Buyers needing higher pressure ranges or certified ingress protection should select a different model.

Highlights

  • Accurate readings within +/- .5 percent
  • 0 to 160 psi range suits many processes
  • 4 1/2 inch dial for clear visibility
  • Phenolic case resists harsh environments
  • PLUS! Performance dampens vibration without liquid fill

Specifications

BrandASHCROFT
TypeElectronic

Questions about this item

Does the 4 1/2 in dial need recalibration after prolonged use at 160 psi?

The gauge maintains its +/- 0.5 percent accuracy specification without scheduled recalibration; the dry PLUS! Performance dampening protects the movement from vibration-induced drift.

What fails first when the gauge runs continuously at the top of its 0 to 160 psi range?

The phenolic case and glass lens handle sustained 160 psi pressure; the limiting factor is the dry vibration-dampened movement, which has no fluid to degrade.

How much heat does the 1/2 in NPT bottom connection add to the panel when the gauge operates all day?

The mechanical gauge generates no measurable heat; the black phenolic case stays at ambient temperature regardless of continuous 160 psi operation.

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