| 摘要 |
In a process for the monitoring of leakage in the hydraulic pressure area of a membrane pump, processing is in a manner such that the point in time (t<SUB>3</SUB>), at which the snifting process serving for leakage compensation is initiated, is monitored continuously and compared with a reference value (t<SUB>1</SUB>), where a predetermined deviation (Deltat<SUB>1</SUB>-t<SUB>3</SUB>) between two values (t<SUB>3 </SUB>and/or t<SUB>1</SUB>) triggers a leakage display.
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