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Vacuum Interrupter Testing

Measure internal vacuum pressure in situ to identify degradation before a vacuum interrupter returns to service.

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Trusted by network operators and infrastructure providers globally

Measure pressure inside the interrupter

Our specialist engineers use a portable MAC test set to measure internal vacuum pressure in situ. Unlike standard go/no-go tests, MAC testing can identify virtual leakage, track condition over repeated measurements and estimate remaining useful life. Results support future maintenance recommendations.

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Supporting power networks across critical infrastructure

We build the technology that keeps electrical networks visible, predictable and safe for the industries that can't afford to lose power.

Network Owners and Operators

As low-carbon technologies become mainstream, network operators face rising demand and growing complexity while being asked to improve reliability. Proactive solutions, workforce efficiency and intelligent investment are central to meeting those challenges.

Renewables

Successful, profitable operation of onshore and offshore wind and solar sites requires a smart approach to asset management. Minimizing downtime and improving safety require proactive solutions that keep sites reliable as assets scale and operational complexity increases.

Data Centers

Protecting uptime and system resilience is critical for data centers, and with 60% of downtime causes being power related, identifying and addressing hidden electrical risks early ensures redundancy remains untested.

Water utilities and wastewater

Pollution incidents caused by electrical issues make up almost half of all reports, with even minor power disturbances at risk of escalating if not detected and managed.

Real world impact

Portable MAC testing by specialist engineers to identify virtual leakage, estimate remaining useful life and guide future maintenance.

60 years
of electrical expertise
20,000+
PD test records in our reference database
85%
of switchgear failures are related to partial discharge