product
KEY FEATURES
  • Combination tool uses both RFI and acoustic technology
  • Registers RFI from apparatus with insulation problems including PD and arcing
  • Locate and diagnose internal problems using the acoustic sensor on grounded surfaces
  • Easy to use, handheld device with large display screen
BENEFITS
  • Perform non-invasive surveys of critical assets
  • Identify and locate insulation defects in gas insulated and open air substations, transformers, instrument transformers and cable terminations
  • Convenient tool for daily use or routine substation surveys along with thermography
ACCESSORIES

Cable Diagnostics Applications and Accessories

Waveguide 36KV

Waveguide 36kV

  • For cables up to 36kV
  • One set consists of one handle with one straight, one 90° bend and one 180° bend hot-stick.
  • Carrying case is included
WAveguide 72KV

Waveguide 72kV

  • For cables up to 72kV
  • One set consists of one handle with one straight, one 90° bend and one 180° bend hot-stick. Including carrying case.

Sensors

R3a Acoustic Sensor TN30203

R3a Sensor

  • Passive Sensor
  • For GIS and cable terminations
  • Includes 1m cable and magnetic hold down
  • Resonance 30kHz
  • Frequency range 5kHz – 100kHz
R3i AST Sensor

R3i Sensor

  • Sensor with integrated pre-amplifier
  • For GIS and cable terminations
  • Includes 1m cable and magnetic hold down
  • Resonance 30kHz
  • Frequency range 5kHz – 100kHz
R6A Sensor

R6a Sensor

  • Passive sensor
  • For various applications
  • Includes 1m cable and magnetic hold down
  • Resonance 60kHz
  • Frequency range 5kHz – 100kHz
R6i AST Sensor

R6i Sensor

  • Sensor with integrated pre-amplifier
  • For various applications
  • Includes 1m cable and magnetic hold down.
  • Resonance  60kHz
  • Frequency range 5 kHz – 100 kHz
R15a Sensor

R15a Sensor

  • Passive sensor
  • Used with oil-filled apparatus, i.e. transformers and instrument transformers
  • Includes 1m cable and magnetic hold down
  • Resonance 150kHz
  • Frequency range 5 kHz – 500 kHz
R15i AST Sensor

R15i Sensor

  • Sensor with integrated pre-amplifier
  • For oil-filled apparatus, i.e. transformers and instrument transformers
  • Includes 1m cable and magnetic hold down
  • Resonance 150kHz
  • Frequency range 5 kHz – 500 kHz
TEVProbe TN80310

TEV Sensor

  • For use in GIS
  • Connect the TEV probe directly on the antenna input of the DFA300
  • Move the sensor across a grounded metal surface to find the location of the strongest signal amplitude
GIS spacer sensor

GIS Spacer Sensor

  • For use in GIS
  • Antenna for polymeric spacers or glass inspection windows
  • The sensor can be placed across a joint on a GIS to find evidence of partial discharge inside
HFCT TN80308

HFCT Sensor

  • Clip on an apparatus ground wire and connect to the DFA300 to confirm internal PD activity
  • Scan for electrical pulses (f<200 MHz) as evidence for partial discharge to earth

UHF Drain Valve Sensor

  • For use with HV Transformers for decoupling of electromagnetic PD signals from inside of oil/paper insulated transformers
  • Sensor fits into DN 50 or DN 80 drain valves
  • Supports “Performance/ Sensitivity Check” where high frequency test pulses can be injected with further integrated electrodes
  • Grounded sensors (for low frequencies)

UHF Antennae for Substation Survey

Antenna Telescopic

Telescopic Antenna

  • Antenna for wide range capture of UHF signals in open areas.
  • Bandwidth 25-1900 MHz
  • Length: 310 mm (fully extended)
  • Standard accessory for DFA300
Antenna Whip TN80311

Whip Antenna

  • Fixed-length antenna for wide range capture of UHF signals in open areas.
  • Bandwidth 25-1900 MHz
  • Length: 410 mm

Doble Client Committee Meetings & Conference

Doble Client Committee Meetings
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