Dwyer LPG4-D7422N is a 2.5" low pressure gauge with a temperature range of -40 to 160°F (-40 to 70°C) for process and -40 to 140°F (-40 to 60°C) for ambient. It has an accuracy of ±1.5% FS and an enclosure rating of NEMA 3 (IP54). The housing is made of drawn steel with a black finish, and the wetted materials are brass and beryllium copper. It has a pressure limit of 100% of the range scale and a 1/4" male NPT process connection. The dimensions are 2.5" (63 mm) and the lens is made of removable polycarbonate. Compatible with gases and liquids.