Limit Support Voltage 2000 V/min
Operating Frequency Range 20 Hz ~ 400 Hz
Length of test leads approx. 1 meter long (3.3 feet)
Protection Level2000 V (impulse voltage 4000 V)
Limit Time for Continuous Use60 minutes maximum at 60V AC 4 minutes maximum at 600V AC.Used to measure the opening phase condition and sequence through LED and Buzzer.