DFA300

RFI & Acoustic Signal Surveyor

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Doble
IN-SERVICE TESTING & ASSESSMENT
DFA300

Use the Doble DFA300 to identify and locate insulation defects.

This surveying tool combines radio frequency interference (RFI) and acoustic emission (AE).

The DFA300 partial discharge detector can locate partial discharge (PD) in a few seconds.

Designed for surveying live, high voltage apparatus, its versatility makes it the perfect, multi-purpose tool for condition-based maintenance programs.

Tekon Enerji

    • 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

    • 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

  • 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
    • Including 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

IN-SERVICE TESTING & ASSESSMENT

Tekon Enerji

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PD Accessories

Maximize benefits of PD test instruments

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