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Abstract In order to ensure the accuracy of coal ignition temperature test results and make the temperature measurement accuracy and temperature increase rate of equipment and equipment meet the requirements of national standards and specifications, the factors that may affect the test results and implement strict control were analyzed.Glass thermometers, digital thermometers and automatic temperature control devices were checked by the temperature control and temperature display equipment for a certain period of time in accordance with national standards before use and in use. The calibration results were confirmed and utilized to ensure the ignition temperature in coal.
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