Dwyer Instruments” LPG4 low-pressure gauge offers top of the line performance for pressure and vacuum applications. The gauge comes with a 2.5˝ (63mm) dial size and possess a +/-1.5 percent full-scale accuracy. The gauge is designed with a beryllium-copper diaphragm attached to a brass plate. The gauge can withstand ambient temperatures up to 140F (60C) and process temperatures up to 160 F (70 C). The gauge possess dual English and metric scales in inches of water column and kilopascals. Ranges are available in vacuum, compound, and positive pressures up to 160 inches of water column (40 kPa).