MAINTENANCE, CLEANING AND REPAIR 
Information for general use 
Rev. M / 73023639 
Action: Service calibration 
Connect the second service calibration 
gas (gain gas to correct the 
measurement gain) to the selected gas 
inlet correctly and click on “Confirm”. 
The process from steps 5 and 6 will then 
be repeated. 
After measuring the second gas, the 
following display will appear and will 
initiate the switch to analysis mode. 
Select “Next”. 
Restore the original connection correctly 
and conduct a tightness test.  
Click on “Confirm” once all the gas 
connections have been prepared for 
normal operation again. 
Using measurement outputs, the last valid gas property values are held throughout 
the calibration time.  
If the calibration fails, the parameters from the last successful calibration will 
remain in use. 
The message from point 11 will appear regardless of the actual gas inlets selected. Restore 
the connections to their state before the service calibration. Test the tightness. 
Le message du point 11 apparaît indépendamment des entrées de gaz effectivement 
sélectionnées. Restaurez les connexions telles qu’elles étaient avant le calibrage de 
service! Contrôlez l’étanchéité!