Lamtec KS1D, User Manual

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5 Maintenance
Table 4:Test gas matrix for testing or calibrating the respective probe
Table 5:Test gas composition
Recommendation:
To check the O
2
electrode, use a test gas with 3 vol. % O
2
in N
2
.
5.1.10 Checking/Calibrating with Reference Measurement
• The system must be in operation (ideally at the desired operating point).
• Perform the calibration as described in Chapters 5.1.2 Checking/Calibrating the O
2
Elec-
trode and
5.1.2 Checking/Calibrating the O
2
Electrode .
5.1.11 Consumables
Lambda Probe

Average lifetime
– natural gas and light fuel oil: 3 ... 5 years
– with heavy fuel oil, coal and biogas: 1 ... 3 years
Functional check/calibration
with test gas Probe
LS2
1

Offset A
2

O
2
B
Test gas
Composition
O
2
[Vol.%] N
2
[Vol.%]
A 21 Rest
B 3 Rest