• 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 70°F).

• 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.