Xylem handylab pH LF 12 - Manual (Page 24)

Operation handylab pH/LF 12
24 ba75370e03 11/2009
Note
You can automatically print a calibration protocol after the calibration. To do
so, connect a printer to the interface according to section 4.7.2 before cali-
brating. After a valid calibration, the record is printed.
Sample printout:
Calibration
evaluation
After the calibration, the measuring instrument automatically evaluates the
calibration. The asymmetry and slope are evaluated separately. The worst
evaluation appears on the display.
CALIBRATION PROTOCOL
02.03.01 14:19
Device No.: 12345678
Calibration pH
Cal time: 01.03.01 / 15:20
Cal interval: 7d
AutoCal TEC Tauto
Buffer 1 2.00
Buffer 2 4.01
Buffer 3 7.00 *
Buffer 4 10.01
C1 184.1 mV 25.0°C
C2 3.0 mV 25.0°C
S1 -59.4 mV/pH
ASY1 - 4 mV
Display Asymmetry
[mV] Slope
[mV/pH]
-15 ... +15 -60.5 ... -58
-20 ... +20 -58 ... -57
-25 ... +25 -61 ... -60.5
or
-57 ... -56
Clean the electrode according to the
electrode operating manual
-30 ... +30 -62 ... -61
or
-56 ... -50
E3
Eliminate the error according to chap-
ter 6 W
HAT TO DO IF ...
< -30 or
> 30 < -62 or
> -50