Test & diagnostic instrumentsPopular
Relay test sets & CT/PT analysers
Multi-functional test systems for protection relays, current and voltage transformers.
Breaker analysers & micro-ohmmeters
Test & diagnostic instruments
Measure contact resistance and breaker timing to confirm switchgear is fit for service.
- Contact resistance at 10–200 A
- Open/close timing and travel analysis
- Coil current signatures
- Before-and-after maintenance comparison
Typical specifications
- Test current
- 10 – 200 A DC
- Resolution
- 0.1 µΩ
Final ratings are confirmed against your site requirements and the manufacturer's datasheet at quotation.
Example product families
- Megger DLRO10HD
- Megger TM1700 series
Brand availability depends on current supplier stock. Ask us for equivalents.
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High-voltage insulation resistance testers
Measure insulation, polarisation index and dielectric absorption on cables, motors and transformers.
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Transformer turns ratio & winding resistance testers
Verify transformer ratio, vector group and winding condition before and after energisation.
Planning a substation, line or upgrade?
Send us your site details and drawings. An engineer will review them and come back with a scope and quotation.