Siemens OXYMAT 64 Operating Instructions Manual page 78

Operation
5.4 Operating functions
With this function, you can follow the trend of the measured values for the last ten minutes or
24 hours on the display.
Select the desired time period with softkey 1 or 2.
The device now graphs the measured value vs. time:
Value display 1O min
1 0
min
Figure 5-39
The most recent measured value is on the time axis at the left at t = 0.
Select softkey 1 "Parameters".
Here, assign a certain measuring range to the measured value axis:
Val. display 24h
Optimum meas. val. dis.
Range 1
Range 2
Range 3
Range 4
Figure 5-40
Activate
automatically scaled. The device adapts the scale to the measured value dispersion.
76
vpm Parameter
8
6
4
2
O
| | | | | | |
O 1 2 3 4 5 6 7 8 9 O
Measured value trend
Parameters for measured value representation
"Optimum measured value display"
O
2
| | |
O
2
in order to have the measured value axis
Operating Instructions, 06/2008, A5E00880383-03
OXYMAT 64