Refrigeration Gauge - Series 300

These 2.5" gauges are available in ranges suitable for various types of refrigerants. They can be permanently mounted in-line or used on a portable manifold.

Features

  • Low and high pressure sides are color coded blue for low and red for high
  • Easy to read color coded scales
  • One-piece polycarbonate ring and window for easy access
  • Dial-mounted zero reset screw for quick re-zeroing
  • Low-pressure (blue) gauge has a 350 psi retard feature which helps prevent damage if attached incorrectly

Specifications and Features

  • Dial Size: 2.5"
  • Case: Drawn steel and painted with corrosion resistant paint--low side blue / high side red
  • Ring and Window: One piece threaded polycarbonate
  • Pointer: Aluminum, black finish
  • Dial: Aluminum, white with black markings; Refrigerant temperature scales R-12, R-22, and R-502 are in red
  • Movement: Brass
  • Bourdon Tube: Phosphor bronze
  • Socket: Brass
  • Connection: 1/8" NPT, LM
  • Range: Low side - 30" Hg Vac 0-120 psi; High side - 0-500 psi
  • Accuracy: 3-2-3%

Factory Stocked Gauges

   Refrigeration Gas Gauges
Range Model 351
30 - 0 - 120 psi 0331-B11AE000W
0 - 500 psi 0331-B11AR000


Mounting Styles and Dimensions

Dial Size A B C F W
2 1/2" 2.83 1.21 0.42 0.56 0.33

Note: All Dimensions are shown in inches.