Catalog excerpts
PDS Online Partial Discharge Scanner The PDS allows online partial discharge detection on underground cable accessories and equipment for safety and maintenance purposes. This compact and lightweight instrument is battery operated and it has a an autonomy of 30 hours. The Partial Discharge intensity level is displayed on the instrument with the bargraph. ADVANTAGES Easy to use Compact, lightweight and battery powered for maximum flexibility High sensitivity inductive and capacitive sensors Rugged Delrin® made casing Up to 30 hours autonomy INTENSITY LEVEL which is proportional to the displayed intensity, allows the user to locate any fault even if the handling conditions don’t allow him/her to see the display. COMPACT AND PRACTICAL Small to ease access to all types of installations, the PDS can be handheld or manipulated with a hotstick depending on the situation. Obviously, along with strippers and insulated tools, it belongs in one’s toolkit, for everyday work. The PDS indicates the intensity of the partial discharges, converting the electrical charge units (pC) into decibels (dB). Thus the reading is kept as a simple intensity level indication, proportional to the probability of a fault’s presence in the tested joint. VISUAL AND AUDIO INDICATORS PDS Partial Discharge Scanner 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 54dB. An audio indicator, the frequency of ndb Technologies inc. • 1405 St-Jean-Baptiste, office 111 • Quebec (QC) G2E 5K2 - Canada • Tel: 1(418)877-7701 Fax: 1(418)877-7787 Email: mkt@ndbtech.com
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TECHNICAL SPECIFICATIONS Sensitivity Intensity range Sensor type Dual mode sensor combining capacitive and inductive High frequency detection (100 MHz and up) • Audio with integrated speaker • Visual, LED bar graph INSULATION FAULT DETECTION Insulation faults are an important factor in degradation and reduction of the lifetime of an electrical joint. This translates into raised exploitation costs and questionable reliability, while economic performance and reliability are key criteria in the evaluation of an electricity supplier. It is important that an electric utility have a widespread,...
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