Liquid-filled, gas-filled, and digitial pressure gauges from –30 in.Hg (–100 kPa) to 10,000 psi (689 bar), dial-a-pressure auto-stop/auto-restart gauges, flow meters, temperature gauges, gauges ready for oxygen service ("oxygen clean"), and tachometer/hour meters for gas and diesel engines, Nuvair carries a wide range of gauges and meters for your compressed gas needs.