Calibration certificate shall generally include the following information: certificate number, original record number, page number and total page number, name and address of issuing unit, name and address of entrusting party; The name, model specification, manufacturer and factory number of the calibrated measuring instruments or measuring instruments; Calibration, verification and approval personnel shall sign with ink pen (the position of the approver can be printed); Date of receiving the calibration project: ××× year × month × day × month × day × month × day × month × day × month × day × month × day × month × day × month × day × month × day × month × day × month × month × day × month × month × day × month × day × month × day × month × day × month × day × month × month × day × month × month × day × month
The original record number of the calibration; The name, model, number, verification or calibration certificate number (validity period) and technical characteristics (such as measurement range, accuracy grade, uncertainty of measurement value or maximum permissible error, etc.) of the measurement standard instruments and supporting equipment used in this calibration; The location of calibration (such as our laboratory or the client's site); Environmental conditions during calibration (such as temperature value and humidity value); Result data and measurement uncertainty of calibration items (such as indication error, correction value or other parameters) specified in the calibration method document.
If the calibrated object is adjusted or repaired during the calibration process, it shall be indicated that it has been adjusted and repaired, and the calibration results before and after the adjustment and repair shall be given as far as possible. With regard to the calibration interval, if it is the traceability calibration of standard instruments of measurement, the calibration interval shall be given in accordance with the provisions of the Metrology Calibration Specification. Generally speaking, the calibration certificate does not give advice on the calibration interval. When required by the customer, the calibration interval can also be given on the calibration certificate. At the end of the calibration certificate, there should be an end sign.