Non-contact diagnostics

Thermal imaging for switchboards & machines

Identify overheating connections before they cause a fire, trip or downtime. Fast measurement under load—without shutting down your technology.

  • Performed while running (no production downtime)
  • Immediate localization of risk points
  • Report with thermograms (photo documentation)

Note: Thermal imaging does not replace periodic electrical inspections. It’s a powerful preventive maintenance layer.

Case example Delivered: Futurum Shopping Center, Ostrava

Sample results: anomaly in a distribution board

Non-contact thermal imaging identified a critical point without shutdown. Prevention is cheaper than handling a failure.

Equipment used: FLUKE VT04
Thermal image – switchboard check (27.6 °C)
Temperature 27.6 °C
Thermal image – switchboard check (28.4 °C)
Temperature 28.4 °C
Thermal image – switchboard check (33.5 °C)
Temperature 33.5 °C
Thermal image – switchboard check (30.7 °C)
Temperature 30.7 °C
Thermal image – switchboard check (37.0 °C)
Temperature 37.0 °C

Prevention

Identify overheating before it causes failures, trips or equipment damage.

Fast diagnostics

Non-contact measurement without interfering with components—ideal for in-service checks.

Clear deliverables

Thermograms plus recommended next steps (e.g., retorque, service, verification).

Accepting new projects

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  • Consultation & cost estimate
  • Delivered by our in-house teams
  • On-time delivery & long-term service
Global Elektronic – office
Headquarters
Ostrava
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Frequently asked questions

What is thermal imaging, and what can it reveal in switchboards and industrial technology?

Thermal imaging is a non-contact surface temperature measurement. In practice, it quickly reveals overheated connections, terminals, breakers, contactors, fuses and overloaded branches—often before they cause a trip, failure or damage.

Can thermal imaging be done while production is running—without downtime?

Yes, and that’s the key benefit. We measure under normal load, when temperature anomalies show best. Any limitations are handled by agreeing safe access and a suitable work mode.

Does the equipment need to be loaded for the measurement to be meaningful?

Ideally yes. The best results are under typical operating load—not idle. If your load varies, we schedule the measurement to capture the critical operating regimes.

What deliverables do I get?

You get photo documentation (thermograms), a description of risk locations, a severity overview and recommended next steps (e.g., retorque, service, feeder check, planned shutdown).

Do you only scan switchboards, or also machines and technology units?

Both. Thermal imaging is useful for switchboards/substations and for selected parts of technologies (feeders, terminals, junction boxes and critical connections) where overheating risk is highest.

How often should thermal imaging be repeated as preventive maintenance?

Frequency depends on operation type, load and environmental risk. Companies typically include it as a regular preventive check, and also after installation changes, power increases or repairs.

Is thermal imaging a replacement for an electrical inspection (revize)?

No. Thermal imaging is preventive overheating diagnostics and a maintenance add-on. Electrical inspections cover safety compliance and verification requirements. In practice, thermal imaging is often used as an early-warning layer.

Can you also fix issues found (retorquing, service, upgrades)?

Yes. If we identify a problem, we propose a realistic corrective plan and—by agreement—follow up with service or upgrades to minimize downtime.

What information do you need for a fast quote?

Number of switchboards/feeders/technologies, site type, location, preferred date and any operational constraints. Photos or a single-line diagram help refine scope.

How does the measurement work in practice, and how long does it take?

First we confirm scope and access. On site we scan selected parts under load, mark risk points and prepare deliverables. Duration depends on the number of boards and technology scope.

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