Page 26 ECOM-D
11. Control
The electrochemical sensors for gas analysis are subject to normal
wear and tear as they age. Their accuracy may decrease as time
goes on, depending on the gas concentration, the exposure time and
the soiling grade of the sampled gas. The analyzer monitors the sen-
sors and corrects drift.
If the drift and the correlated measurement errors increase, an error
message is displayed. In this case, the corresponding sensor must be
changed by an authorized service center. The control menu has in-
formation about the current status of the sensors.
Further information is can be seen on 3 display pages (use the arrow
keys to scroll):
- Battery voltage (charging status);
is displayed as a symbol in all menus:
Full charge Half charge Empty
- Operation hours since last service
- Total operation hours
- Date of the next recommended service
- Phone number of the nearest service center
- Software version
- Serial number
- Total number of CO switch-offs
- Total error count
- Information from the last maintenance
O2 10744 mV
CO 7 mV
Accu 6.09 V
Operation hours : 8.45
hrs
Total : 18.75 hrs
Next unit check :
01.07.10
Service tel. :02371-
Last service (history)
25.08.09 88
hrs
hrs
hrs
hrs
Program version :V1.2
19.11.09
Serial no. :D-0001
CO purges : 15
Error counter : 21
Operation hours :
8.45 hrs
Total : 18.75
hrs
Next unit check :
01.07.10
Service tel. :02371-945-303
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