Characterization of an ODM Type K Thermocouple for Temperature Measurement Accuracy
DOI:
https://doi.org/10.33005/faraday.v1i2.11Keywords:
Thermocouple, Type K , Temperature measurement, Accuracy, CharacterizationAbstract
This study characterizes and evaluates the performance of an ODM Type K thermocouple in measuring temperature within the range of 0°C to 100°C under controlled laboratory conditions. The experiment utilized a hot plate as the heat source, with melting ice and boiling water as reference points for 0°C and 100°C, respectively. The thermoelectric voltage generated by the thermocouple was measured using a digital multimeter and compared with readings from an ASTM mercury-in-glass thermometer as a reference. The results showed a strong linear relationship between thermoelectric voltage and temperature, consistent with the Seebeck effect. The average deviation between the thermocouple and the reference thermometer was approximately ±0.3°C, with maximum errors within ±1°C. These findings indicate that the ODM Type K thermocouple demonstrates high accuracy, good linearity, and stability, making it suitable for laboratory and industrial temperature measurement applications.
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