In general, black objects have more emissivity factor comparing to other
objects. In other words, the emissivity of duller and blacker materials is
closer to 1 and the more reflective a material is, the lower its emissivity.
Highly polished silver has an emissivity of about 0.02.
Thermographic Camera
A thermographic camera or infrared camera is a device that forms an
image using infrared radiation, similar to a common camera that forms an
image using visible light. Instead of the 450--750 nanometer range of the
visible light camera, infrared cameras operate in wavelengths as long as
14,000 nm (14 µm).
Application
Thermal imageing photography have many different usages. For
example, firefighters use it to see through smoke, find persons, and
localize hotspots of fires. With thermal imaging, power line maintenance
technicians detect overheating joints and parts, a telltale sign of their
failure, to eliminate potential hazards. Where thermal insulation becomes
faulty, building construction technicians can see heat leaks to improve the
efficiencies of cooling or heating air-conditioning. Thermal imaging
cameras are also installed in some luxury cars to aid the driver, the first
being the 2000 Cadillac DeVille. Some physiological activities, particularly
responses, in human beings and other warm-blooded animals can also be
monitored with thermographic imaging. Cooled infrared cameras can also
be found at most major astronomy research telescopes.
Night vision
Firefighting operations
Predictive maintenance
(early failure warning) on mechanical &
electrical equipment
Process monitoring
Condition monitoring & surveillance
Automotive applications
Energy auditing of building insulation and detection of refrigerant
leaks
Roof inspection
Auditing of acoustic insulation for sound reduction
Masonry wall structural analysis
Veterinary Thermal Imaging
Moisture detection in walls & roofs (and thus in turn often part
of mold remediation)
Research & development of new products
effluent detection
investigation
operations and etc.
Thermal imagers used for preventive and predictive maintenance,
equipment troubleshooting, repair verification, building inspections,
restoration and remediation work, energy audits, and weatherization
purposes. Fluke TiR32, is a thermal camera which is optimized for building
envelope inspections and building diagnostics.
Содержание TiR32
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