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Ashcroft 251009 compound gauge 2 1/2 inch 304 stainless steel silver finish lower back connection

Ashcroft

Ashcroft 251009 Compound Gauge 30 Hg to 30 psi 2 1/2 in 304 Stainless Steel

SKU CH-F94K-EG51N

Measures vacuum to 30 in Hg and pressure to 30 psi with ±1.00% accuracy in a 304 stainless steel case

  • Product typeElectronic
  • Measures vacuum to 30 in Hg and pressure to 30 psi
  • 304 stainless steel case and wetted parts resist corrosion
  • ±1.00 % accuracy across the full compound range
  • 1/4 in MNPT lower-back connection fits standard panels
  • Dry gauge design avoids fill-fluid leaks

Purpose and user

The Ashcroft 251009 compound gauge measures vacuum and pressure from 30 Hg to 30 psi in a single 2 1/2 in dial. It is built for technicians who need one instrument to verify both suction and positive pressure during system diagnostics.

Build integration

The 1/4 in MNPT lower-back connection threads directly into existing ports without extra fittings. A 304 stainless-steel case and wetted parts resist corrosion, so the gauge can stay installed in harsh environments without degrading surrounding components.

Thermals noise power

As a purely mechanical instrument it draws no power and produces no audible noise during operation. The dry, non-liquid-filled movement eliminates leakage risk, while the +/- 1.00 percent accuracy holds steady across normal ambient temperature swings.

How it compares

Measured against everything we stock in Meters, Testers & Measuring Tools, at today’s prices. Recalculated every night.

Price $87.99
Pricier than about 61% of the 3,030 comparable items (median $54.99).

Specifications

Product
Brand nameASHCROFT
Product typeElectronic

Questions about this item

What is the accuracy limit of the Ashcroft 251009 gauge under sustained use?

The gauge maintains an accuracy of +/- 1.00 percent across its full -30 inHg to 30 psi range during continuous operation.

How much heat does the 304 stainless steel case generate during all-day operation?

As a purely mechanical instrument with no electronic components, the gauge produces no measurable heat during extended use.

What process connection must already be present for this lower back mount gauge to install?

The gauge requires an existing 1/4 in MNPT female port for direct lower back mounting.

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