The Series SGX/SGF Gages have dual English/metric scales with ±1.6% full scale accuracy. The Series SGX/SGF gages are designed with 304 SS housings and brass or 316 SS wetted parts. Units can withstand ambient temperatures up to 149°F (65°C) and process temperatures up to 212°F (100°C). Ranges of vacuum, compound and pressures to 235" w.c. are available. Included on the dial is a convenient zero adjustment screw which allows the user to easily re-zero the needle.