Match device identity to reference, date, result and use decision; link certificate information to the relevant trip record.
Match logger serial number, reference device, calibration date, result and use decision in one record. Link the device ID to the trip file; do not fill missing or inconsistent documentation by assumption.
A label date alone does not show usage history.
Keep date, result and use decision.
Link use area and fault history.
Identify the device in its measurement file.
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