Uni-T Multifunction Voltage Testers, 6 to 690V

Auto power off, the conductor to be measured is greater than 12V Test live voltage without batteries Buzzer and silent modes available Auto range Phase rotation test Continuity test with buzzer and LED indication Low battery indication and over voltage prompt Flashlight Specifications Phase rotation 57Vac?400Vac (3 phase) Product size 272mm x 85mm x 31mm Product net weight 280g Voltage 6 to 690V Display 73.5mm x 35.5mm Resistance 0?~100k? (+50% accuracy) Phase Rotation Frequency 50Hz~400Hz Power 1.5V battery (R03)"2