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The Manifold Gauge from Marsh Instruments.

These gauges are designed for the pressure measurement of refrigeration systems. All dials are furnished with corresponding temperature scales for the various refrigerants.

Dials feature R-12, R-22, and R-502. Standard connections are 1⁄8" NPT lower mount with your choice of red or blue case.

Marsh Manifold Gauges are used in refrigeration applications for testing, servicing, and recharging AC and R Systems.
Features
  • Recalibrator and Restrictor Standard. 
  • Color Coded Cases, “Reds” & “Blues”. 
  • Overpressure Protection to 350 psi.

Specifications

Accuracy

  • ASME Grade B - ± 3/2/3 % (2 % of Range across middle half of scale)

Case Size

  • 2-1/2” diameter

Case Material

  • Steel or Plastic, Red or Blue

Tube & Socket

  • Copper Alloy

Movement

  • Brass with a Recalibrator

Connection

  • 1⁄8” NPT with Restrictor Standard

Ranges

  • 0 to 500 psi, 30” Hg Vac to 120 psi Retarded to 350 psi

Dial Standard

  • psi with corresponding Temperature scales

Dial Color

  • Black Markings on White with Red or Blue Temperature Scales

Pointer

  • Aluminum, Black Painted

Window

  • Impact resistant Plastic

Recalibrator

  • Standard

Weight

  • 0.5 lb

Documentation

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