PosiTest HHD - High Voltage Holiday Detector is to detects holidays, pinholes and other discountinuities using pulse DC Specifications : Output Voltage Range 0.5 – 35 kV Output Voltage Adjustment 0.5 kV – 1 kV: 10 Volt Steps 1 kV – 35 kV: 100 Volt Steps Output Accuracy +5% Pulse Duration 10 μs Pulse Repetition Rate 30 Hz Coating Thickness Range up to 20 mm (780 mils)† Typical Battery Life Based on selected voltage and load Ø 12” Rolling Spring @ 10kV, 40 hrs. Ø 40” Rolling Spring @ 10kV, 30 hrs. Operating Temperature -20° to 60°C (-4° to 140°F)