Model 3540 Portable Gauge Tester

Product Description:
A compact, completely self-contained system designed for calibrating pressure gauges, transducers, controllers, and other pressure-sensitive instruments up to 2,000 psi with an accuracy of 0.1% including hysteresis error.


  • Accuracy of 0.1% of gauge span including hysteresis error.
  • 0 to 2,000 psig operating range with standard gauge configuration.
  • No external gas sources required: Instrument case houses two nitrogen cylinders with a combined capacity of 180 cubic inches (14.2 std. cubic feet when charged to 2,250 psi at 70F).
  • Precision soft seat control and vent valves enable fine adjustments in the upscale and downscale directions.
  • Automatic transfer valve for stepless measurements over the entire system range.
  • Incorporates large, easy to read, temperature compensated Heise Model CMM Bourdon tube master gauges as reference standards.
  • Completely mechanical: No source of electrical power needed.
  • "Blow-out back" master gauges, burst discs, and a relief valve protect the test item and master gauges from damage.
  • All necessary equipment stoes in the rugged instrument case for easy trasport from site to site.
  • Quickly charged using any available high pressure nitrogen source.