
Test & measurement
Electrical Test Equipment
Transformer, protective relay, insulation, circuit breaker and cable test equipment from the manufacturers testing crews already trust.

Field testing of switchgear, transformers and protective relays
The right instrument for acceptance, maintenance and troubleshooting
Whether you are commissioning a new substation or chasing an intermittent fault, the test set has to be right. We supply instruments from Megger, OMICRON, Doble, Raytech and Fluke, help you compare models for the tests you actually run, and can source accessories, leads and calibration support.
- Transformer turns ratio, winding resistance and multi-function testers
- Protective relay test sets for electromechanical, solid-state and numerical relays
- Insulation resistance, power factor / tan delta and dielectric testers
- Circuit breaker timing and analysis, contact resistance and micro-ohmmeters
- Handheld multimeters, clamp meters and thermal imagers
What we supply
Test equipment categories
Transformer testing
- Turns ratio testers (TTR)
- Winding resistance meters
- Multi-function transformer analyzers such as the Raytech Mini-ATOS
- Sweep frequency response analysis (SFRA)
Protective relay testing
- Single- and multi-phase relay test sets
- Secondary injection for distribution and transmission relays
- Software, cables and test accessories
Insulation & dielectric
- Insulation resistance testers / megohmmeters (5 kV and 10 kV)
- Power factor / tan delta test sets
- AC and DC hipot testers
- Oil dielectric strength testers
Circuit breakers & contacts
- Breaker timing and travel analyzers
- Micro-ohmmeters and contact resistance testers
- Primary injection test sets
Grounding & cable
- Ground / earth resistance testers
- Ground grid integrity testing
- Cable fault locators and VLF hipot
Handheld & bench
- Digital multimeters and clamp meters
- Thermal imagers
- Phase rotation, voltage detectors and safety test tools
- Test leads, probes and cases
Applications
Who uses this equipment
- Substation commissioning and acceptance testing
- Predictive and preventive maintenance programs
- Transformer diagnostics and condition assessment
- Protection and control (P&C) technicians
- Generator and motor testing
- Electrical contractors and testing service companies
Need a quote or a hard-to-find part?
Tell us what you need and we will come back with pricing, availability and lead time. If it is not something we stock, we will source it.
