The Regin Contract 30mbar 12 Inch U Gauge REGU05 is the perfect tool for keeping an eye on pressure levels in a range of systems. With its 0.05% full-scale accuracy and sturdy stainless steel build, this 12-inch gauge is designed to last. It can handle pressures up to 30mbar and is great for low-pressure alarms, control valves, and semi-conductor processes.