Calibration Certificate

1. Individual calibration certificate number.
2. Analyzer serial number and calibration date
3. Data filename/location used to store the calibration data
4. Atmospheric pressure reading at the beginning of the calibration process, 'Raw' pressure value reported by the analyzer and approximate altitude above sea level.
5. CH₄ and CO₂ channel coefficients, barometric calculation factor, actual atmospheric pressure, calibration temperature and O₂ 'Raw' output readings.
6. CH₄ and CO₂ gases used during the verification process and corresponding readings obtained from the gas analyzer.
7. O₂ gases used during the verification process and corresponding readings taken from the gas analyzer.
8. Actual barometric pressure and reading obtained from the gas analyzer.
9. Any recommendations made, and the next service date due.
10. Signed by an authorized technician denoting that all of the information has been checked.