Device and method for detecting water level of water trap in fuel cell

A method for detecting a water level of a water trap, the method comprising the steps of:

• i) acquiring, by a control unit, output data of a water level sensor at a reference temperature;
• ii) acquiring, by a control unit, output value data of the water level sensor for each surrounding temperature;
• iii) calculating, by a control unit, a correction value for the output value of the water level sensor for each surrounding temperature based on an output value of the water level sensor at the reference temperature;
• and
• iv) correcting, by a control unit, the output value of the water level sensor for each surrounding temperature based on the calculated correction value.

A non-transitory computer readable medium containing program instructions executed by a processor, the computer readable medium comprising:

• program instructions that acquire output data of a water level sensor at a reference temperature;
• program instructions that acquire output value data of the water level sensor for each surrounding temperature;
• program instructions that calculate a correction value for the output value of the water level sensor for each surrounding temperature based on an output value of the water level sensor at the reference temperature;
• and
• program instructions that correct the output value of the water level sensor for each surrounding temperature based on the calculated correction value.