Patent ID: 11913844
Assignee: YOKOGAWA ELECTRIC CORPORATION
Field: Measurement (Instruments)
Classification: CPC G | IPC G

Claim 0:
1. A diagnostic device of a first thermocouple, the diagnostic device comprising:
a controller that:
acquires a first measurement value of the first thermocouple each time a current passes through the first thermocouple, and
determines, in a first predetermined cycle and based on the acquired first measurement value, a presence of a disconnection risk that the first thermocouple will disconnect from the diagnostic device; and

an output unit that outputs a first alarm indicating the disconnection risk based on a result of the determination by the controller, wherein
the controller:
calculates a first average value of a plurality of acquired first measurement values in a predetermined interval, and
determines, based on the first average value, whether the disconnection risk is present.