4 tds (total dissolved solids), Tds (total dissolved solids) – Xylem Cond 1970i User Manual
Page 19

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
4
4 7
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
8
3 9
mg/ l
Tref25
nLF