Universal meter (voltage tester) UNI-T UT18D Universal AC or DC voltage meter with LCD display and LED indicator. The UT-18D meter allows you to measure DC and AC voltage in the range from 6 to 690V with automatic range change. MEASUREMENT RANGES Voltage measurement LED indicator: - Ranges: 6V or 12V or 24V or 50V or 120V or 230V or 400V or 690V - Accuracy: ±(1.5 percent and5) Phase Sequence Test:- Voltage: 100 - 690 V- Frequency: 50 - 60 Hz Continuity test: - Resistance: 0 - 100 kOhm - Buzzer and LED indicator RCD test:- Voltage: 230 V- Frequency: 50-400 Hz Polarity detection: positive and negative ADDITIONAL FEATURES Automatic change of measuring ranges Instrument test before measurement Freeze last indication Low battery indicator Over-voltage indicator Automatic standby Illumination of the measurement site Backlit LCD screen GENERAL FEATURES IP65 Power supply: 2x 1.5 V (R03) Display size: 73.5 x 35.5 mm Dimensions: 272 x 85 x 31 mm Weight: 280g Accessories: batteries