| 摘要 |
PROBLEM TO BE SOLVED: To provide an electric circuit unit that can predict the life of an electric circuit based on temperature, humidity and time. SOLUTION: This electric circuit unit provided with a case in which the electric circuit is built, is provided with a temperature sensor and a humidity sensor provided in the electric circuit, a CPU circuit for computing an integration value in a function of measured values by the temperature sensor and the humidity sensor and the time, and a memory circuit for storing a computed result.
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