Based on safety and operational purposes, PD-LT ™ Can perform live partial discharge detection on cable accessories such as cable heads, lightning arresters, insulators, sleeves, etc. The partial discharge level is displayed on the remote terminal. The remote terminal provides the dB value measured by the probe. The dB value will vary with PD-LT ™ The discharge indicator on the probe changes. The range is 0-75dB and will display "OL" when the reading exceeds its maximum range.