User Manual

Cond 1970i Operation
19
ba75692e01 01/2007
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 the unit mg/l appears.
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 <▲> <▼>, set the TDS factor (0.40 ... 1.00).
(The TDS factor has to be determined by a comparative mea-
surement before.)
5 Wait for a stable measured value.
TP
°
C
Sal
%
REL1
ARng
S
C
cm
S/
Sal
Cal RCL
%
cm
1/
0
m
O
Oxi AR
Year Ident
No. Day.Month
Tref20
LoBat Lin
pH
TEC
Auto Store
Time Baud
K
/
REL2
pH/mV
1 0 0
447
mg/l
Tref25
nLF
TP
°
C
Sal
%
REL1
ARng
S
C
cm
S/
Sal
Cal RCL
%
cm
1/
0
m
O
Oxi AR
Year Ident
No. Day.Month
Tref20
LoBat Lin
pH
TEC
Auto Store
Time Baud
K
/
REL2
pH/mV
0 8 2
839
mg/l
Tref25
nLF