Pressure Gauges Manometer 1. Steel case ABS case 2.Brass ... pump 4.CE ROHS Pneumatic Pressure Gauges are used in Air Compressors,Hollow Pumps,Air-Pressure Piping,Pressure Regulating Valves,Testing Equipment, ... .5" (63mm) / 3" (80mm) / 4" (100mm) / 6" (150mm)3. Pressure Range: vacuum, compound, 0 - 15psi - 10,000psi (customer-made ... .5%,1.6%, 1% 8. Window: glass, polycarbonate Tire Pressure Gauge Manometer