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Black 4 1/2 inch electronic pressure gauge with white dial and glass lens

Ashcroft

Ashcroft 451259SD04L1500# Process Pressure Gauge 0-1500 psi 4 1/2 in

SKU CH-DDP6-5ZC4W

Measures 0 to 1,500 psi with ±0.5% accuracy on a 4 1/2 in glass-lens dial in a black polybutylene terephthalate case with 1/2 in NPT bottom connection

  • Color/FinishBlack
  • TypeElectronic
  • +/- 0.5% accuracy for precise readings
  • 4 1/2 inch dial for clear visibility
  • 0 to 1500 psi range covers high-pressure needs
  • 1/2 inch NPT male connection fits standard fittings
  • Glass lens with polybutylene terephthalate case resists harsh environments

Ashcroft 4 1/2 in Process Pressure Gauge

This Ashcroft process pressure gauge measures from 0 to 1,500 psi with a nominal dial size of 4 1/2 inches. It provides an accuracy of +/- 0.5 percent for reliable readings in industrial applications.

Electronic Gauge with Glass Lens and PBT Case

The electronic gauge features a black polybutylene terephthalate case and a glass lens for durability. A white dial ensures clear visibility, while the bottom-mounted connection simplifies installation in piping systems.

1/2 in NPT Male Connection for Direct Mounting

The process connection uses a 1/2 inch NPT male thread for direct attachment to compatible fittings. The gauge is not field fillable and carries no IP or NEMA rating, limiting use to protected indoor environments.

Highlights

  • +/- 0.5% accuracy for precise readings
  • 4 1/2 inch dial for clear visibility
  • 0 to 1500 psi range covers high-pressure needs
  • 1/2 inch NPT male connection fits standard fittings
  • Glass lens with polybutylene terephthalate case resists harsh environments

Specifications

BrandASHCROFT
Color/FinishBlack
TypeElectronic

Questions about this item

How is the 1/2 in NPT male process connection installed, and what step is often missed?

Thread the 1/2 in NPT male connection into the matching female port using suitable thread sealant, then tighten with a wrench on the gauge case flats — not the dial — to avoid damaging the polybutylene terephthalate housing.

What maintenance will the glass lens and dry gauge need over time?

Clean the glass lens with a non-abrasive cloth when dirty; the dry dampening design has no fill fluid to replace, so no periodic refill is required.

At what pressure does the +/- 0.5 percent accuracy limit become the governing constraint during sustained use?

The +/- 0.5 percent full-scale accuracy applies across the entire 0 to 1,500 psi range, so the measurement uncertainty remains the primary limit at any sustained pressure within that span.

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