Xylem handylab LF 11 - Manual (Page 18)

Operation handylab LF 11
18 ba75365e04 01/2011
4.2.3 Salinity
You can measure the salinity as follows:
4.2.4 TDS (Total dissolved solids)
You can measure the total dissolved solids as follows:
1 Perform the preparatory activities according to section 4.2.1.
2 Immerse the conductivity measuring cell in the test sample.
3 Press the key until Sal appears on the status display. The sa-
linity value appears on the display.
4 Wait for a stable measured value.
Tref25
/ K
cm 1/
° F %
8
mg/l 1
RCL ARng AR LoBat Cal
Tref20
Lin
m S/ cm
M
TDS
S
Auto Store
Sal
mbar
%
O UpH
mV/pH
cm
AutoCal DIN
AutoCal TEC
Time Baud
Day.Month No.
Ident Year
2 1 2
2 3 3
°
TP
Sal
C
nLF
1 Perform the preparatory activities according to section 4.2.1.
2 Immerse the conductivity measuring cell in the test sample.
3 Press the key until TDS appears on the status display.
The value of the total dissolved solids appears in the upper display
line. The TDS factor appears in the lower display line.
4 Using <V> <W>, set the TDS factor (0.40 ... 1.00).
(The TDS factor has to be determined by a comparison measure-
ment before.)