Xylem handylab multi 12 - Manual (Page 40)

Operation handylab multi 12
40 ba75371e03 11/2009
Calibration
evaluation
After the calibration, the measuring instrument automatically evaluates the
current status of the calibration. The evaluation appears on the display.
Determining the
cell constant
You can determine the cell constant as follows:
Display Cell constant [cm
-1
]
0.450 ... 0.500 cm
-1
E3
Eliminate the error according to
chapter 6 W
HAT TO DO IF ...
Outside the range
0.450 ... 0.500 cm
-1
1 Press the key repeatedly until the status display
ӕ
CAL CELL appears.
2 Press the key. The CAL display appears, as
well as
– the current, calibrated cell constant (with sensor symbol on
the display) or
– the fixed cell constant 0.475 1/cm (without sensor symbol
on the display). In this case, the measurement parameters
are initialized (see section 4.9 R
ESET ).
3 Immerse the conductivity measuring cell in the control standard
solution, 0.01 mol/l KCI.
4 Press the key.
The AutoRead measurement to determine the cell constant
starts. The AR display indicator flashes until a stable signal is
reached. The cell constant determined is displayed. The mea-
suring instrument automatically stores the cell constants.
AR AR RCL RCL
O O UpH UpH Sal Sal
Store Store Auto Auto AutoCal DIN AutoCal DIN
AutoCal TEC AutoCal TEC LoBat LoBat ARng ARng
Tref20 Tref20
Lin Lin nLF nLF
Sal Sal
% % mg/l mg/l
mV/pH mV/pH
cm cm
° °
° °
TP TP
m m S/ S/ cm cm
F F
C C
% % / / K K
M M
TDS TDS
1 1 S S
mbar mbar
Time Baud
Day.Month No.
Ident Year
Time Baud
Day.Month No.
Ident Year
5 2 0 0 7 7 4 4
A A L L C C
cm cm 1/ 1/
Tref25 Tref25
Cal Cal