UT18 series of test pen with measuring AC and DC voltage (including the three-phase alternating current) measurement, phase of three-phase AC power indicator, on-off test, RCD test, single pen measurement (can determine the zero line or wire), self checking, no battery detection and other functions.
Suitable for: smelting, electronics, manufacturing, defense, electric power, petroleum, chemical industry. Also used to solve complex problems of electronic, factory automation, power distribution and electrical equipment in.
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