Thermography (Infrared Inspection)
Thermography uses infrared cameras to map surface temperatures, revealing electrical hot spots, failing bearings, steam-trap faults, refractory damage and insulation gaps. It is a fast, non-contact condition-monitoring and energy-survey technique.
Because heat patterns betray developing faults, an infrared survey can find an overheating electrical connection, a blocked steam trap or a stripe of missing insulation without shutting equipment down. It is widely used both for predictive maintenance (electrical and mechanical) and for energy audits, where it quickly highlights where heat is escaping from pipework and vessels.
In context and practice
Thermography (Infrared Inspection) is a core topic in industrial practice, featured prominently in guides on 'Predictive maintenance: a practical guide', 'Industrial heat loss and insulation'. Understanding it is necessary for teams implementing efficiency, maintenance, or decarbonization projects.
Closely related terms include Condition Monitoring, Heat Loss, Surface Temperature. These concepts often work together in industrial practice — mastering one usually means understanding all of them.
In your plant: When planning maintenance, reliability or efficiency projects, clarify your approach to thermography (infrared inspection). Ask vendors or consultants how they implement it. The specifics matter — two plants with the same definition of thermography (infrared inspection) may execute it very differently based on their equipment, age, and operational culture. The gap between definition and execution is where real value (or waste) lives.
Measuring success: Thermography (infrared inspection) programs succeed when you can measure their impact. Set a baseline, implement the practice, and track the outcome — downtime reduction, energy savings, cost avoidance, or compliance improvement. Most plants find that a 3–6 month pilot clarifies the true value and ROI of thermography (infrared inspection). Don't guess; measure.
Why it matters: thermography (infrared inspection) is not an end in itself, but a lever in your plant's overall efficiency and reliability strategy. It works best when part of a system: clear ownership, investment in tools or training, executive sponsorship, and regular review. Isolated initiatives often fizzle. Embedded thermography (infrared inspection) programs compound, delivering value year after year as the practice matures and spreads.
Related terms
Condition Monitoring · Heat Loss · Surface Temperature · Predictive Maintenance (PdM)
Related guides
Predictive maintenance: a practical guide
What predictive maintenance is, how it differs from preventive maintenance, which techniques fit which assets, and how to start without boiling the ocean.
Industrial heat loss and insulation
Why bare hot surfaces are a bigger loss than most plants realise, how to estimate it, and why valves and flanges are the usual culprits.
Where this applies
Conducting a hot-surface temperature survey · Running a leak detection and repair (LDAR) programme · Running a thermographic electrical survey programme · Vibration Analysis vs Thermography · Multimodal Predictive Maintenance 2026