| Technical data | 
            Unit | 
            PC 3 / RZ 6 | 
        
        
            | Number of stages | 
             | 
            2 | 
        
        
            | Max. pumping speed at 50/60 Hz | 
            m3/h | 
            5.7 / 6.8 | 
        
        
            | Max. pumping speed at 50/60 Hz | 
            cfm | 
            3.4 / 4.0 | 
        
        
            | Ultimate partial vacuum (abs.) | 
            mbar | 
            4 x 10-4 | 
        
        
            | Ultimate vacuum (abs.) | 
            mbar/torr | 
            2 x 10-3 / 1.5 x 10-3 | 
        
        
            | Ultim. vac. (abs.) with gas ballast | 
            mbar/torr | 
            1 x 10-2 / 0.75 x 10-2 | 
        
        
            | Water vapor tolerance with gas ballast | 
            mbar | 
            40 | 
        
        
            | Ambient temperature range (operation) | 
            °C | 
            12 - 40 | 
        
        
            | Ambient temperature range (storage) | 
            °C | 
            -10 - 60 | 
        
        
            | Oil capacity (B-Oil) min./max. | 
            l | 
            0.34 / 0.65 | 
        
        
            | Max. back pressure (abs.) | 
            bar | 
            1.1 | 
        
        
            | Inlet connection | 
             | 
            NS 29/32 female ground joint | 
        
        
            | Outlet connection | 
             | 
            Hose nozzle DN 8-10 mm | 
        
        
            | Rated motor power | 
            kW | 
            0.3 | 
        
        
            | Rated motor speed at 50/60 Hz | 
            min-1 | 
            1500/1800 |