Display ppm/hour counter (active only when sensors with exchangeable filters are
used):
For those sensors which have an exchangeable chemical filter for neutralizing cross-
gases, a ppm/hour counter is available.
this applies to:
CO, H2 comp. sensor (filter life approx. 170000 ppmh)
NO sensor (filter life approx. 120000 ppmh)
1
ppm/hour counter .
2
Select sensors.
Options:
Switch between the individual sensors: , .
Display of max. filter life and current hour counter value
When maximum filter life is reached, information is displayed:
Filter material spent.
Please exchange filter
.
Reset hour counter of a sensor: .
Displaying actual calibration data/sensor status:
Calibrationdata .
Options:
To change between the actual calibration data of the individual sensors: , .
To print out the actual calibration data of all sensors: .
To display the status of the sensor as a graphic: .
- The status of the sensor is checked on every recalibration. Any deviation from
the condition on delivery is indicated as a percentage.
70%-threshhold: “Gas cell reading unstable, replace item recommended.“,
50%-threshhold: “Replacement sensor.“
The last 25 recalibrations are shown.
To return to the display of the actual calibration data: .
Recalibration:
CO, H2-comp, SO2, NO2, NO sensors and the O2 reference value can be recalibrated.
Measurement gas dilution in slot 2 can be recalibrated.
If obviously unrealistic readings are displayed, the sensors should be checked and reca-
librated as required.
Value
Graphic
Print
OK
back
OK
F. Configuration
33
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