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