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Stainless steel 2.5 inch industrial pressure gauge with polycarbonate lens and bottom NPT connection

Ashcroft

Ashcroft 251009SW02LXLL 200 psi 2 1/2 in pressure gauge

SKU CH-WNKQ-XP5R0

Measures 0–200 psi with ±1.0 % accuracy in a 304 stainless steel case rated IP54 vented and IP65 sealed

  • Color/FinishStainless Steel
  • TypeElectronic
  • Accurate readings within ±1.0 % across 0–200 psi
  • 304 stainless-steel case resists corrosion in harsh environments
  • IP54 vented and IP65 sealed ratings protect against dust and water ingress
  • 1/4 in NPT male bottom connection fits standard industrial piping
  • PLUS! Performance dampening reduces pointer vibration for stable readings

Industrial Pressure Gauge

The Ashcroft 251009SW02LXLL is a 2 1/2 in industrial pressure gauge built for measuring system pressure up to 200 psi. Its 304 stainless steel case and polycarbonate lens suit plant, process and OEM environments where durability matters. The bottom-mounted 1/4 in NPT male connection fits standard instrumentation ports. Accuracy is rated at +/- 1.0 percent of span.

Environmental Protection Limits

The gauge carries an IP54 rating when the vent plug is open and IP65 when the plug is closed, matching NEMA 4 in the closed state. This means it resists dust ingress and water jets only when sealed; the vented position allows pressure equalisation but reduces liquid protection. Buyers needing continuous wash-down or submersion resistance should verify the rating matches their installation practice.

Capacity and Measurement Headroom

The primary range covers 0 to 200 psi with a dry PLUS! Performance dampening feature that steadies the pointer without liquid fill. The fixed span means the instrument cannot be re-ranged for higher pressures or vacuum service. Users requiring readings beyond 200 psi, different connection sizes or field-fillable dampening will need a separate gauge model.

Highlights

  • Accurate readings within ±1.0 % across 0–200 psi
  • 304 stainless-steel case resists corrosion in harsh environments
  • IP54 vented and IP65 sealed ratings protect against dust and water ingress
  • 1/4 in NPT male bottom connection fits standard industrial piping
  • PLUS! Performance dampening reduces pointer vibration for stable readings

Specifications

BrandASHCROFT
Color/FinishStainless Steel
TypeElectronic

Questions about this item

Which 200 psi range with 2 1/2 inch dial should I choose for industrial use?

The 251009SW02LXLL model covers 0 to 200 psi with a 2 1/2 in dial, +/- 1.0 percent accuracy, 304 stainless steel case, 1/4 in male NPT bottom connection and PLUS! Performance dampening.

How does the +/- 1.0 percent accuracy perform once installed in a live system?

At full scale the reading stays within 1.0 percent of true pressure, and the PLUS! Performance dampening reduces needle flutter from pulsation without liquid fill.

What does the IP54 and IP65 rating actually limit in daily operation?

With the vent plug open the gauge meets IP54 for dust and splashing water; closing the plug raises protection to IP65 and NEMA 4 for wash-down environments.

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