9
6
Output of readings
The measuring module output the reading in a linear format. The default setting is 0-25% O
2
‘linear’ at 4-20 mA. Another measuring range (0-1000 ppm O
2
) can be activated using a
terminal connection jumper.
You can switch measuring ranges automatically via a potential-
free contact.
Please note:
The assignment is fixed and can only be changed locally using a smartphone app.
7
Configuration
The configuration can be changed locally.
Please note:
If you wish to make extensive changes and display the measured readings, you will need the
PZA app for Android smartphones.
7.1
Correcting readings
If necessary, you can correct the current reading. We advise that you only do this if the
reading is stable and you have ruled out the possibility of other measuring errors.
The reading can only be adjusted using the PZA app for Android smartphones.
7.2
Setting the limit value
The alarm is activated if the current reading falls below the set threshold. As a rule, the limit
value will be within the programmed measuring range. An alarm status is signalled by the
Alarm LED.
At the same time, the semiconductor relay that contacts terminals Alarm and Alarm in the
terminal connection is activated.
The limit value can only be changed using the PZA app for Android smartphones.
8
PZA-MC25_1620-17485-0002-E-0821
