5K-MNL-GEM5000 GEM5000 Gas Analyzer
Zeroing of the gas analyzer should be undertaken at the start of each day’s monitoring.
Use historical data to drive your frequency of calibration.
If there is no historical data a good starting point for a daily monitoring round is
performing a calibration daily at the beginning of a monitoring event.
The results of the calibrations will need to be recorded to monitor over time whether the
frequency of calibration needs to be increased or decreased relative to the confidence
required.
The confidence required is most often driven by the site specific, user, and/or regulatory
requirements.
When undertaking the monitoring with an understanding of the history of the gas levels
of that site, a calibration check could be triggered if the readings measured are different
to what is expected.
Note: For assistance please contact Technical Support at +1 (909) 783-3636
9.3 Calibration gases
User calibration of a gas analyzer will greatly improve the data accuracy in the range of
the calibration gases used. This may cause less accurate readings of concentrations
outside this calibrated range. Users should select the correct calibration gas for the
expected gas levels on their particular application.
To improve calibration at lower levels the use of CG-00-00-04 and CG-15-15-00 is
recommended. To improve calibration at higher levels use of CG-50-35-00 is
recommended.
For standard CO only 100ppm CO gas is needed.
For CO (H2 compensated) both CO 100ppm and H2 1000ppm gases are needed.
The following table indicates a partial listing of gases sold by LANDTEC for calibration:
Calibration gas
Part Number
Calibration targets for gas cells are dependent on the gas/range and type of cell
fitted. Contact Technical Support for assistance.
These are for general use but other gas concentrations can be used.
Note: The above gases and most other gas concentrations can be supplied by LANDTEC.
For further information please contact Sales on +1 (909) 783-3636 email
sales@landtecna.com
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