| 摘要 |
PROBLEM TO BE SOLVED: To execute an accurate durability test by always supplying a specified conduction current to an electronic controller. SOLUTION: The durability test apparatus has a current sensor 1 which monitors currents being supplied to loads R1-Rn connected to an electronic controller Ob, thereby detecting failures of the loads R1-Rn during test. In switching over the plurality of loads R1-Rn one after another, using a multi- terminal switch 2, a specified conduction current is always supplied to the electronic controller Ob, without supplying those loads with currents, except loads R1-Rn where on abnormality is found.
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