Leybold L Pumping speed 28cfm(48m3/hr) Ultimate pressure < 20 without gas ballast 2.2 x 10-2 torr with gas ballast 5 x 10-1 torr Inlet pressure Initial evacuation 760 torr Continuous pumping <22 torr Max water vapor <22 torr Inlet port QF40 Outlet port QF25 Weight (lb.) 209lb (95kg) Motor Voltage 190-250VAC 60Hz 3 phase Power 2.2 kW max (0.5kW no load) RPM ~1100 Noise level 64dB(A) Max ambient temperature 50 (°C)