SENSOR FOR MEASURING ELECTRICAL CHARACTERISTICS

摘要

PURPOSE: A sensor for measuring electrical properties is provided to obtain uniform quality. CONSTITUTION: A printed circuit board(110) makes a cylindrical through hole into which a power supply line is inserted. A voltage sensor(120) includes an electrode with a ring shape and the first terminal unit. The electrode is closely attached to the inner circumference of the through hole to measure a voltage of the power supply line. One side of the first terminal unit contacts one side of the electrode and the other side is exposed to one side of the printed circuit board. A current sensor(130) comprises a pickup coil and the second terminal unit. The pickup coil measures a current flowing in the power supply line by an inducing current. The second terminal unit is exposed to one side of the printed circuit board.