Patent ID: 7167814

Claim:
An apparatus for analyzing a condition of a machine based on measurement data received from a sensor taking measurements at a measuring point of the machine, comprising: at least one input for receiving the measurement data from the sensor; data processing means for processing condition data dependent on said measurement data, said data processing means comprising means for performing a plurality of condition monitoring functions; and a logger for registering use of at least two of said condition monitoring functions; wherein said logger is adapted to register a first value indicative of an amount of use of a first condition monitoring function by adjusting the first value at a first rate for each said use; wherein said logger is adapted to register a second value indicative of an amount of use of a second condition monitoring function by adjusting the second value at a second rate for each said use; and wherein the apparatus is configured to disable use of a selected one of the first and second condition monitoring functions if a corresponding said value indicative of an amount of use reaches a predetermined threshold value.