Palmer Instruments
4 in. Dial 6 psi Specialty Gas Test Gauge



Gas Test Gauges are used to test new gas installations for leaks and for passing inspection codes. After installing the gauge and pressurizing the system, the red set pointer is placed over the gauge pointer and left for a time interval. System leakage will be shown by a pressure drop away from the red set pointer.

  • 4 in. (100 mm) black painted steel case
  • Ring is stainless steel with bayonet
  • Plastic lens
  • Lower connected brass valve hex body with Schrader valve and 3/4 in. NPT process connection
  • Phosphor bronze diaphragm internals
  • Heavy duty gear movement
  • Dual scale on white background: outer scale is psi in black lettering, while inner scale is inches of mercury in blue lettering
  • Accuracy: ± 1%
  • Internal overpressure protection
  • Ambient operating range: -4°F to 160°F (-20°C to 60°C)
  • Environmentally safe alternative to Mercury column
  • IP41 compliant
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