wtw inoLab Level 3 Operating Manual page 77

Sample printout:
Calibration After the calibration, the measuring module automatically
evaluation evaluates the current status of the system. The asymmetry
and slope are evaluated separately. The displayed probe
symbol shows the worse-case evaluation of both variables.
.
pH calibration
Cal Date: 05.12.1999
Cal Time: 22:46
Cal Interval: 7 days
AutoCal TEC Tman AR
Buffer 1 2.00
Buffer 2 4.01
Buffer 3 7.00
Buffer 4 10.00
C1 290.6 mV 25°C
C1 174.5 mV 25°C
C1 0.2 mV 25°C
C1 -174.6 mV 25°C
S -58.2mV/pH
ASY 0 mV
Sensor +++
User: xxxxxx
Display
Clean the electrode
according to the
electrode operating
manual
E3
Eliminate the error
according to chapter
14 W
HAT TO DO IF
Asymmetry
[mV]
-15 ... +15
-20 ... +20
-25 ... +25
-30 ... +30
< -30 or
> 30
...
pH
Slope [mV/
pH]
-60.5 ... -58
-58 ... -57
-61 ... -60.5
or
-57 ... -56
-62 ... -61
or
-56 ... -50
... -62 or
... -50
77