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An external vacuum pump with a power consumption of < 350 W can be connected directly to Concentrator using a connecting cable. A socket is located on the rear of the device. An external vacuum pump with a power consumption of > 350 W must be connected directly to the mains supply. To achieve this a solenoid valve which has a special plug for connection to the vacuum pump should be switched between vacuum pump and concentrator.

An external vacuum pump with a power input of < 400 W can be connected directly to the basic device with a special plug. A socket is found at the rear of the device. In contrast, an external vacuum pump with a power input of > 400 W must be connected directly to the power supply. The control of the pump by the Concentrator in this case takes place via a solenoid valve located between the vacuum pump and the Concentrator plus. Further Information about the connection of an external vacuum pump can be found in our Userguide 030 (in "Notes & Papers").

The DASbox Mini Bioreactor System provides two integrated peristaltic speed-controlled pumps per vessel as standard. Two extra feed lines per bioreactor can be added using a DASGIP MP8 multi pump module. Each peristaltic pump can be operated independently.

Up to eight peristaltic speed-controlled pumps per vessel offer continuous flow rates from 0.3 mL/h - 5 L/h. Each pump can be operated independently. Two different pump head sizes for the multi pump modules DASGIP MP4 and MP8, fitting various tube sizes make the DASGIP multi pumps a flexible and accurate solution.

No, the residual liquid has to be dispensed by using the blow out.

The solenoid valve for control of an external pump is resistant against water and alcohols.

In order to ensure the functionality of the Concentrator a vacuum pump should have a pumping capacity of 1,7 cubic meter/h at 50 Hz and 2,0 cubic meter/h at 60 Hz respectively. The maximum vacuum should be at least < 20hPa (< 20 mbar) with a maximum counter-pressure of 2 mbar. The vacuum pump should be chemically resistant.

The inside of the pump is coated with polytetrafluoro ethylene (PTFE). This fluorinated plastics are extremely chemically resistance, thus enabling the application with even aggressive gases. With Concentrator Complete System the feeder to the pump is also PTFE-coated.