Service:Compatible gases.Wetted Materials:Gage: brass; Hose: rubber.Housing Materials:Steel with black finish.Lens:Polycarbonate.Accuracy:±3% full scale.Pressure Limit:110% of range.Temperature Limits:-40 to 150ºF (-40 to 65ºC).Size:2-1/2″ (63 mm).Process Connections:1/8″ NPT, brass hose barb.Case:ABS plastic.Hose:Rubber, 36″ (91.4 cm).Tube Nipple:Rubber.Weight:1.75 lb (0.8 kg).