... machine,sensed by electric eye and located accurately,test mould go down to the position,electric up and down rolling ... path lower to the tank, machine begin blow to the inner side ... pressure point,0.1%. 20Kpa pressure point,0.5%Testing pressure: 0-100KpaTesting time:0-99s, adjustablePower: AC380V, ... Automatic water bath small cap gas tightness testing machine