Dwyer DPGA-12 is a digital pressure gauge with a 1% accuracy. It operates at temperatures ranging from 30 to 120°F (-1 to 49°C) and has an accuracy of ±1.0% F.S. The gauge is powered by a 9 V alkaline battery (included and user replaceable) and features an ABS plastic housing. It is suitable for measuring air and compatible gases. The display is a 4-digit LCD with .425" H x .234" W digits. The wetted material is 316L SS for DPGA and DPGW models. The pressure limit is 2X the pressure range, and the maximum pressure for vacuum range is 30 psig. It has a 1/4" male NPT process connection and a thermal effect of 0.05% FS/°F. The dimensions are 2.62" OD x 1.52" deep. The gauge has a 20-minute auto shut-off feature.