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Ensuring Traceability in Thermocouple Calibration
Source: | Author:Olivia | Published time: 2025-02-21 | 24 Views | Share:
The traceability of thermocouple calibration is the cornerstone of ensuring the credibility of measurement results. Starting from the selection of standard devices, priority should be given to standard thermocouples with international or national standard accreditation qualifications, and their calibration certificates should be traceable to authoritative metrology institutions, which establishes a high-level traceability link for the entire calibration process.
During the calibration implementation stage, strictly follow the standard operating procedures and record every key data step, including the thermoelectric potentials of the standard device and the thermocouple to be calibrated, temperature setting values, environmental parameters, etc., to form a complete data archive. In case of measurement disputes, these detailed records can be traced back layer by layer to find the root cause of the error. Moreover, regularly compare the calibration equipment with higher-level metrology standards to continuously correct systematic errors, so that the calibration results can always be traced back to the international system of units, supporting the high-precision temperature measurement requirements of various industries with a rigorous traceability system.