1. The calibration and calibration personnel must be trained, understand the principle and performance of the instrument, be proficient in operating skills, and hold a certificate for work.
2. The adjustment personnel must operate in strict accordance with the operating procedures.
3. The instruments used must be qualified after the measurement and identification before they can be used.
4. Check the appearance before calibrating the instrument, and adjust it after the appearance of the instrument is intact.
5. The calibrated instrument should be preheated for about 20 minutes, and the instrument should be zeroed in fresh air.
6. After the zero point is adjusted, the standard gas sample with a concentration of about 1.0% is passed in according to the flow rate specified by the instrument, and the displayed value of the instrument is calibrated and the standard gas value is consistent and stable.
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