UNI-T UT18B Auto Range Voltage Teste Pen Voltmeter Continuity Tester Meter with LED Indication RCD Tester No Battery Detector

UT18B can provide 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), elf checking, no battery detection and other functions. Suitable for: smelting, electronics, manufacturing, defense, electric power, petroleum, chemical industry. More detailed product information, please refer to the English manual.. Specifications: AC/DC voltage range: 12/24/50/120/230/400/690V Phase rotation test operating voltage: 100V~690V, frequency: 50Hz~ 60Hz Single lead (L2) voltage detection operating voltage: 100V~690V, frequency: 50Hz~ 400Hz Continuity Test: 0~100K? RCD test operating voltage: 230V(50Hz?400Hz) Power: 1.5V AAA Batteries * 2 (not included) Product Color: Red and Grey Product Net Weight: 245g Product Size: 272mm * 85mm * 31mm