MOTWANE HIGH VOLTAGE INDICATORS, Model Name/Number: HV50
The High voltage Detector HV-50 is a safety device used to verify that the overhead line is not LIVE prior to earthing . It is designed for 6.6kV to 33kV AC 50 Hz overhead lines in HV switch yards, distribution lines, power plants and similar installations. Sensing distance is approximately 3 mtr for 33 kV and 1 mtr for 11 kV circuit. It is powered by a single 9V battery. The HV detector starts annunciation with flashing Red LEDs and buzzer beeps indicating that the line is LIVE and not safe to earth and carry on any operations