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Our Industrial Stainless Steel Refrigeration Gauge is available in both 2.5″ and 4″ Dial sizes. For technicians working with heating, ventilation, air conditioning, and more, these gauges are essential.

We offer our Model PM Refrigeration Gauges in the Following Configurations:

  • 2.5 and 4 inch Dials
  • 1/4″ NPT
  • Available in 1% and 2% Accuracy
  • Ammonia, R-22 and R-404 range units
  • Two Vacuum Ranges (to 150 psi and 300 psi)
  • Silicone Filled (Standard)
  • White, Hi-Vis, and Glow in the Dark Dials Available
  • For Use in HVAC, Ventilation, and other refrigerant applicable environments

Wetted Materials

Tube: 316SS
Socket: 316SS

Other Materials

Case: 304SS
Ring: 304SS
Dial: White Aluminum, Black Letters
Case-to-Socket: Laser Welded

Temperature Limits

-40°F to 140°F

Accuracy:4″ = ±1% ASME Grade A, 2.5″ = 1.6% ASME Grade B+, EN 837-1

Fillable: Yes

Max Working Pressure: Stable = 100%, Momentary = 130% of scale

Weight: 2.5” = 0.35 lbs (0.5 lbs Filled), 4″ = 0.8 (1.4lbs Filled)

Environmental Protection: NEMA 4X/IP65