HVPD-Longshot PD Spot Tester

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HVPD Longshot™

Universal, 4-Channel Diagnostic PD Tester with synchronous capture of data on all channels (to within 2ns) for accurate PD diagnosis. Suitable for synchronous, multi-channel testing of all types of mv and high voltage (hv) plant up to 500kV. Can be used for either short-duration (5-10 minute) PD 'spot' tests or for short-term PD monitoring (typically over 1 to 24 hours).


The HVPD Longshot™ PD Diagnostic Spot Tester is a 4-channel, synchronous wideband (0-400MHz) on-line partial discharge (PD) test and monitor technology suitable for the PD testing of all types of medium voltage (MV) and high voltage (HV) cables and plant (up to 500kV).


On-line PD Testing Of:

  • MV/HV PILC/XLPE Cables, Joints, Terminations and Sealing Ends
  • MV/HV Current and Voltage Instrument Transformers (CT and VT)
  • MV Metal-Clad Switchgear (Air and Solid Insulated)
  • Motors and Generators

Features Include

  • PD signals captured synchronously (within 2ns) on all 4x channels with 'Precedence Detection' software to differentiate local and external signals based on time-of-arrival measurements.
  • Automatic "Event Recognition" of PD pulses with automatic noise pulse rejection
  • Typical 'spot-test' time of 5 to 10 minutes per plant item or cable
  • Short-term PD monitoring possible, typically 1-24 hours and up to 1 week
  • On-line cable PD measurements can be made in picoCoulombs (pC) when used in conjunction with HVPD's calibrated HFCT sensors (no need for external pC calibrator)
  • Software-based RF noise reduction filter
  • Also suitable for off-line testing at 50/60 Hz

PDReader© Features:

  • Post data collection analysis of PD test files
  • May be installed on any Windows 2000/XP PC - Test in the field, analyse in the office
  • PDF and MS WORD report output

Additional Software Options

  • PDMap©: On-line PD location on cables of up to 5km
  • ScopeControl©: Waveform capture package for advanced PD signal analysis

The HVPD Longshot™ is supplied with a range of sensor and accessory bundles, according to the customer's required application.

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Company Profile
High Voltage Partial Discharge Limited (HVPD) was formed in 2006 as a Joint-Venture between IPEC Engineering Ltd and High Voltage Solutions Ltd who have been partners in the supply of Partial Discharge (PD) Test equipment and PD Test Services for over 10 years. Our products are used in the Worldwide Electricity Supply Industry to enable our customers to assess the insulation condition of their in-service High Voltage Plant through On-line PD testing, monitorin... View detail

Basic Information

Business Type: Manufacturer, Trading Company  
Main Products: High Voltage  
Number Of Employees: 11 - 50 People  

Trade & Market

Main Markets: Western Europe
Total Annual Sales Volume: US$2.5 Million - US$5 Million  
Export Percentage: 71% - 80%  

Factory Information

Factory Size (Sq.meters): 1,000-3,000 square meters  
Factory Location: UK  
No. of Production Lines: 1  
Number of R&D Staff: 5 - 10 People  
Number of QC Staff: Less than 5 People  
Contract Manufacturing: OEM Service Offered  

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United Kingdom | Contact Details
Experience: Established 1995 , 25 years OEM

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