Inolab pH level 2 Instruction Manual page 24

Calibration evalua-
tion
Preparatory
activities
After the calibration, the instrument automatically evaluates
the current status. The asymmetry and slope are separately
evaluated. The worst evaluation appears on the display.
Display
Clean the electrode accord-
ing to the sensor operating
manual
E3
Clear the fault according to
chapter 6 W
HAT TO DO IF
1 Switch on the instrument by pressing
2 Connect the pH electrode to the instrument.
3 Keep the buffer solutions ready.
4 Adjust the temperature of the solutions and measure
the current temperature if the measurement is per-
formed without a temperature probe.
Asymmetry
[mV]
-15 ... +15
-20 ... +20
-25 ... +25
-30 ... +30
< -30 or
> 30
...
Operation
Slope [mV/
pH]
-60.5 ... -58
-58 ... -57
-61 ... -60.5
or
-57 ... -56
-62 ... -61
or
-56 ... -50
< -62 or
> -50
e
.
93