Description
HVI TDB-60 Cable Test Set Repair
The HVI TDB-60 is a 60 kV VLF cable test set with tan-delta (TD) diagnostics from High Voltage Inc. — it withstand-tests medium-voltage cable at 0.1 Hz and measures dielectric loss to assess insulation condition and aging. Combining an HV source with a precision tan-delta measurement means its faults span both sides.
June Company repairs and calibrates the TDB-60 for cable-diagnostics specialists and utility crews.
Common TDB-60 problems we fix
- Tan-delta readings off — drift in the loss-measurement circuit, the diagnostic heart of the set, recalibrated against standards.
- Won’t reach 60 kV or output collapses — VLF output-stage failure, often post-flashover, rebuilt.
- Waveform distortion — regulation faults on the 0.1 Hz output, corrected.
- Voltage metering drift — recalibrated.
- Control or interlock faults.
FAQs
My TDB-60 tan-delta looks wrong — fixable? Yes. TD accuracy drift traces to the loss-measurement circuit; we repair and recalibrate it so cable condition assessments are trustworthy, with a NIST-traceable certificate.
Is the HV side verified too? Yes — withstand output is checked along with the diagnostics.
Every repair includes NIST-traceable calibration and a 90-day parts-and-labor warranty. Email us or submit a service request.






