... Mpa, Kpa, bar, psi, kg/cm2 Pressure gauge digital switch The VM281 Digital Pressure Gauge, using a special ASIC circuit ... ~75°C, ≤ 95%RHPower supply3VdcHousingABS plastic(ø66xH33mm)Mechanical connectionNPT 1/4, G1/4 or customBattery life2 years(in power-saving ... .minisite.productShow(); oProductShow.init( { 'aImgSrc': aBigImageSrc } ); } )(); Pressure gauge digital switch range -1 bar~0~30 k bar VM281