Customer support
Services & support
Help from the engineers who built the instrument.
Technical support
Send readings, screenshots or test reports and get a diagnosis from our application engineers, usually within one business day.
Contact support →Training
Online operator courses on transformer, circuit breaker, cable and relay test procedures, scheduled in your time zone.
Contact support →Calibration & repair
Return-to-factory calibration with certificates and repair turnaround tracking. Ask about spare units during service.
Contact support →Download center
Datasheets, user manuals, brochures and software for every HUAC instrument in one place.
Open downloads →FAQ
Questions buyers ask first
Can't find your answer? Our sales engineers reply within one business day.
Which test standards do HUAC instruments follow?
Test methods follow the relevant IEC and IEEE standards for each asset, for example IEC 60076 for power transformers, IEC 62271-100 for circuit breakers, IEEE 400.2 for VLF cable testing and IEC 60270 for partial discharge measurement.
Do you ship to Europe, North America and Southeast Asia?
Yes. Instruments are supplied with English software and manuals, and voltage, plug type and labelling are configured for the destination market.
Can distributors order OEM or private-label instruments?
Yes. Distributors can request custom branding, language packs and report templates. Contact the sales team with your target market and volumes.
What support is available after delivery?
Remote commissioning, online operator training, calibration and repair, and spare parts. Software and firmware updates are provided for the instrument's service life.