... Range -100Kpa ~ 0 ~ 300Mpa Accuracy 0.5%FS Units Mpa, Kpa, bar, psi, kg/cm2 Digital pressure gauge ... pressure measurement display) and VM281B (mainly used in low and negative pressure measurements display)The VM281 Digital pressure ... connectionNPT 1/4, G1/4 or customBattery life2 years(in power-saving mode) ( function(){ var aBigImageSrc = [ 'http:// ... bar~0~30 k bar for hydraulic machine air condition