There is a need to make reliable gas temperature measurements in combustion research. Conventional suction pyrometers and the associated methods of estimating their error do not always give satisfactory results.
A new suction pyrometer has been developed to meet the requirements of a specific project at the Coal Research Establishment of the NCB. The unit incorporates a means of estimating directly the error in the pyrometer reading at the time the gas temperature is measured. The pyrometer has been used to measure gas temperatures in a wide range of environments. The results demonstrate the advantages of using the new pyrometer.
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