KEYWORDS: Calibration, Temperature metrology, Infrared radiation, Black bodies, Thermography, Thermometry, Metrology, Radiometry, Control systems, Standards development
A flat plate calibrator is one instrument used in calibrating infrared (IR) thermometers, primarily in the 8 - 14 μm band.
One such family of flat plate calibrators is the 418X Precision IR Calibrator from Fluke Corporation Hart Scientific
Division. This product is calibrated with a radiometric calibration. To support this radiometric calibration and its
traceability, a number of developments have been made at Hart Scientific. These developments include the construction
of a new IR calibration laboratory with radiometric traceability.
This presentation discusses the research done to establish IR calibration capabilities. Among the topics discussed are the
need for radiometric traceability for flat plate calibrators, the traceability chain to national laboratories included in
radiometric calibrations at Hart Scientific, the development of blackbody cavity baths in Hart's IR calibration laboratory,
and Hart Scientific's IR uncertainty budgets.
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