wtw pH 3310 - Page 38

Operation pH 3310
38
ba75802e02 12/2008
Sample record
Calibration evaluation After calibrating, the meter automatically evaluates the calibration. The
zero point and slope are evaluated separately. The worse evaluation of
both is taken into account. The evaluation appears on the display and
in the calibration record.
31.10.2008 16:55
pH 3310
Ser. no. 08502113
CALIBRATION pH
31.10.2008 16:13:33
AutoCal TEC
Buffer 1 4.01
Buffer 2 7.00
Buffer 3 10.01
Voltage 1 184.0 mV 24.0 °C
Voltage 2 3.0 mV 24.0 °C
Voltage 3 -177.0 mV 24.0 °C
Slope -60.2 mV/pH
Asymmetry 4.0 mV
Sensor +++
etc...
Display Calibration
record
Zero point
[mV]
Slope
[mV/pH]
+++ -15 ... +15 -60.5 ... -58
++ -20 ... +20 -58 ... -57
+ -25 ... +25 -61 ... -60.5
or
-57 ... -56
- -30 ... +30 -62 ... -61
or
-56 ... -50
Clean the combination electrode
according to the electrode operating
manual
Error Error
< -30 or
> 30
... -62 or
... -50
Eliminate the error according to chapter
6 W
HAT TO DO IF... (page 63)