... , dental laboratory equipment, vacuum automation equipment, printing plate, exposure machine, vacuum packing machines, vacuum slimming beauty equipment and ... A)≤58dB(A)Ambient temperature °C5-40°CInsulationBCold insulation resistance (normal)MΩ≥100MΩDielectric strength1500V/50Hz 1minno ... P1.25(according to requirements)Oil-free vacuum pump features:Low vacuum, ultra-low mute, light weight, beautiful ...