Very Low Frequency Tester for High Voltage Cable 80KV 1.Pure sine wave output 2.suitable for testing ... power cables,transformer Very Low Frequency Tester for High Voltage ... : 30KV, 40KV, 50KV, 60KV, 70KV, 80kV (peak)2. Output frequency: 0.1Hz, 0.05Hz, 0.02Hz3. ... F0.02Hz, ≤ 2.5µ F28× 37× 22433× 18× 3437× 24× 3925+4512A Very Low Frequency Tester for High Voltage ...