Mitsubishi Electric Corporation

Takayuki Shirotori

Akira Okada

Takaya Noguchi

A measuring apparatus includes a measuring unit for measuring an electrical characteristic of a measurement object by applying an electrical signal, and a discharge detection unit connected to the measuring unit, the discharge detection unit obtaining an electrical signal value that is the value of the electrical signal applied to the measurement object, wherein if the electrical signal value is smaller than a predetermined reference value, the discharge detection unit issues a discharge alarm to the outside when a difference value between the electrical signal value and the reference value becomes larger than a predetermined first comparison value after the difference value becomes smaller than the first comparison value, and wherein the reference value is set equal to or larger than the maximum of the electrical signal value when no electric discharge occurs.

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Akita, Japan

Takayuki Shirotori