Xylem handylab LF 12 - Manual (Page 20)

Operation handylab LF 12
20 ba75367e04 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 <M> key until Sal appears on the status display. The
salinity 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 <M> key until TDS appears on the status display.
The value of the total dissolved solids appears in the upper dis-
play 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 mea-
surement before.)