OMBG5KN4.7.1
BIOGAS 5000 Gas Analyzer
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9.6
Gas analyzer
For the BIOGAS 5000 gas analyzer the calibration options can be found by selecting the
‘Menu’ key followed by soft-key ‘Operation Settings’. Select ‘Key 1 – Gas Check’ then
follow the instructions on the analyser screen by selecting ‘Key 2 – Check Spans’.
9.7
Calibration processes – best practice
The following bullet points and process diagrams outline the calibration steps and best
practise when calibrating your BIOGAS 5000.
Ensure that you are regulating calibration gas down to below 200 mbar pressure, if
you’re not using a Landtec regulator. The use of a pressure relief valve is also highly
recommended.
When calibrating, it is recommended to use a calibration mixture close to the levels
you are trying to measure, i.e. if you are trying to measure gas migration on a
closed landfill, we’d recommend calibrating with CH4 5%/CO2 5%.
In regards to frequency, we would recommend that you perform a fresh air
calibration before each monitoring session and a span calibration typical every 4 – 6
weeks.
