... , Kpa, bar, psi, kg/cm2 Pressure gauge digital switch The VM281 Digital Pressure Gauge, using a special ASIC circuit and sensor ... used in low and negative pressure measurements display)The VM281 Digital pressure Gauge is widely used in the fields of ... drift: <0.5%FS/yearOperation temperature-20°C~50°C, ≤ 85%RHStorage temperature-40°C~75°C, ≤ 95%RHPower supply3VdcHousingABS plastic(ø66xH33mm)Mechanical ...