Field device with process-specific condition monitoring capability

An apparatus for determining and monitoring at least one process variable of a medium, comprising

• a sensor unit for registering a value for the process variable;
• a time registration unit for registering a duration of operation;
• and
• a calculating unit embodied at least based on the duration of operation registered by the time registration unit and based on at least one influencing variable influencing the duration of operation to make at least one statement with reference to condition of at least one component of the apparatus.

A method for operating an apparatus for determining and monitoring at least one process variable of a medium, comprising:

• providing the apparatus, including:
• a sensor unit for registering a value for the process variable;
• a time registration unit for registering a duration of operation;
• and
• a calculating unit embodied at least based on the duration of operation registered by the time registration unit and based on at least one influencing variable influencing the duration of operation to make at least one statement with reference to condition of at least one component of the apparatus;
• registering a value for the at least one process variable;
• registering a duration of operation;
• and
• making at least one statement with reference to condition of the at least one component of the apparatus, wherein the statement is made at least based on the registered duration of operation and based on at least one influencing variable influencing the duration of operation.