24  EasyLine EL3000 Series Commissioning Instructions 
 
Analyzer(s)  Test gas for the zero-point calibration 
and the single-point calibration 
Test gas for the end-point 
calibration 
Limas23 with calibration cells 
(automatic calibration) 
N
2
 or air or  
UV sample component-free gas 
Calibration cells or  
test gas for each sample 
component 
Limas23 without calibration 
cells (automatic calibration) 
N
2
 or air or  
UV sample component-free gas  
Test gas for each sample 
component  
Limas23 without calibration 
cells (manual calibration) 
N
2
 or air or  
UV sample component-free gas  
Test gas for each sample 
component  
Limas23 + Magnos206 or 
oxygen sensor with 
calibration cells 
(automatic calibration, i.e. 
Magnos206 with single-point 
calibration) 
N
2
 or oxygen- and  
UV sample component-free gas 
Either calibration cells and test 
gas for oxygen detector or  
test gas for each sample 
component, respectively for each 
detector 
Limas23 + Magnos206 or 
oxygen sensor without 
calibration cells 
(automatic calibration) 
N
2
 or oxygen- and  
 UV sample component-free gas 
Test gas for each sample 
component, respectively for each 
detector 
Limas23 + Magnos206 or 
oxygen sensor without 
calibration cells 
(manual calibration) 
N
2
 or oxygen- and  
UV sample component-free gas  
Test gas for each sample 
component, respectively for each 
detector 
Magnos206 
Oxygen-free process gas  Process gas with known O
2
 
concentration 
Magnos206 with suppressed 
measuring range 
Test gas with O
2
 concentration near the 
starting point of the measuring range  
Test gas with O
2
 concentration 
near the end point of the 
measuring range  
Magnos206 with single-point 
calibration 
Test gas with O
2
 concentration in an 
existing measuring range or ambient air. 
Same moisture content as process gas. 
– 
Magnos206 with substitute 
gas calibration 
Oxygen-free process gas or substitute 
gas (O
2
 in N
2
) 
Substitute gas, e.g. dried air 
Magnos27 
Oxygen-free process gas  Process gas with known O
2
 
concentration 
Magnos27 with substitute gas 
calibration 
Oxygen-free process gas or substitute 
gas (O
2
 in N
2
) 
Substitute gas, e.g. dried air 
Caldos27 
Sample component-free test gas or 
process gas 
Test gas or process gas with a 
known sample gas concentration 
Caldos27 with a 
suppressed measuring range 
Test gas with a sample component 
concentration near the starting point of 
the measuring range 
Test gas with a sample 
component concentration near 
the end point of the measuring 
range 
Caldos27 with single-point 
calibration 
Test gas with a known and constant rTC 
value (standard gas; possibly also dried 
room air) 
– 
 
* Test gas mixture for multiple sample components possible if no cross-
sensitivity is present