PDS Partial Discharge Scanner.
The PDS is used to detect and locate partial discharges on medium voltage insulated joints, to monitor their condition while in service or to test for quality, just after installation.
The PDS indicates the intensity of the partial discharges, converting the electrical charge units (pC) into decibels (dB). So the reading is kept as a simple intensity level indication, proportional to the probability of a fault’s presence in the tested joint.

• Solid and waterproof enclosure, CNC made in DelrinTM .

• Small dimensions straight captor
  (2” x 1” x 1/8”), for precise pinpointing of partial discharges and an easy access over constrict installations.

• The sensor is insulated by a Plastisol sleeve,
  which is also abrasion-resistant.

• High frequency detection (100 MHz and more)

• Audio indication corresponding to the level displayed

• Intensity range: 0-48 dB

• Sensibility: from 100 to 25 000 pC

• Autonomy: 30 hours of use

• Batteries: 4 AA size Alcaline batteries

• Dual mode sensor, combining capacitive and inductive principles

Insulation fault detection
Insulation faults are an important factor in degradation and reduction of lifetime of an electrical joint. 
This translates by raised exploitation costs and questioned reliability, while economic performance and reliability are key criterions in the evaluation of an electricity supplier. It is then important that an electric utility has a wide spread, quick and efficient tool to check for quality and health of its electrical network.

The market’s demands over electric utilities necessarily transfer to their subcontractors, who must comply with higher quality requirements regarding their work. As the electric utility for which he works, the subcontractor that has tools allowing him to monitor and to certify the quality of his job will become an attractive and reliable choice.

Safe manipulations
Easy to use, the PDS can be handheld or mounted on a two-parts hot stick provided with each unit.

Close-up of the PDS sensor
This insulated and waterproof capacitive probe catches the electric field sharp variations that characterizes partial discharges. It integrates both capacitive and inductive sensors, 
to allow partial discharges detection in virtually any cable configuration.

Visual and audio indicators
The visual indicator is a bargraph with eight steps, each step corresponding to twice the intensity (6dB) of the previous level, for a total range from 6dB to 48dB. An audio indicator which frequency is proportional to the displayed intensity allows the user to locate any fault even if the handling conditions don’t allow him to see the display.

Intensity level
The PDS indicates the intensity of the partial discharges, converting the electrical charge units (pC) into decibels (dB). So the reading is kept as a simple intensity level indication, proportional to the probability of a fault’s presence in the tested joint.