Description
ISA Reltest 1000 Relay Test Set Repair
The ISA Reltest 1000 is a protective-relay test set — it generates precise voltages, currents, and phase angles to test and commission protective relays and measurement devices, with timing measurement for trip-time verification. As a precision multi-phase test source, its faults split between the amplifier/output side and the timing/control side.
June Company repairs and calibrates the ISA Reltest 1000 for protection engineers and relay-test crews.
Common ISA Reltest 1000 problems we fix
- Output-amplifier failure — a voltage or current channel weak or dead, repaired so every channel meets rated output.
- Timing / trip-time drift — the timing reference drifting, recalibrated against standards.
- Phase-angle accuracy off — the phase reference, corrected.
- Control / interface faults — won’t sequence or communicate, restored.
- Power or control faults.
FAQs
One of my Reltest 1000 channels is weak or dead — fixable? Yes. Amplifier output-stage faults are repairable, then channels and timing are verified against our standards with NIST-traceable calibration.
Is timing accuracy verified? Yes — timing and phase are checked and certified.
Every repair includes NIST-traceable calibration and a 90-day parts-and-labor warranty. Email us or submit a service request.







