Servicemans Test Gauge

The Servicemans Test Gauge from Marsh Instruments is a Deluxe Serviceman Test Gauge, designed to assure the modern serviceman the best possible gauge for testing refrigeration equipment. Corresponding, easy-to-read temperature scales are printed in red on the inner arcs of the dial face.

Typical applications include testing, servicing and recharging AC and R systems.



  • Recalibrator and Restrictor Standard
  • Heavy Duty Brass Case
  • Clam Shell Packaging Optional