... widely used in the fields of Air conditioning and refrigeration, hydraulic machines, pneumatic equipment, pipeline network, powerhouse etc.n Specifications Measuring ... , bar, psi, kg/cm2Limited pressure200%FSDamaged pressure300%FSDriftTemperature drift: ±0.025%FS/°CTime drift: <0.5%FS/yearOperation temperature-20°C~50 ... pressure gauge switch -1 bar~0~30 k bar for hydraulic machine air condition