Xylem MULTI 3400 MULTI-PARAMETER METERS - Manual (Page 27)

Multi 3400i Operation
27
4.3.2 Measuring the D. O. concentration
When measuring the concentration of test samples with a salt content
of more than 1 g/l, a salinity correction is required.
Note
How to enter the current salt content is described in section 4.3.6 S
ALT
CONTENT CORRECTION on page 33.
Switching the salt content correction on or off, see below.
To measure the D. O. concentration with and without salt content cor-
rection, proceed as follows:
Switching on/off the salt
content correction
Proceed as follows to switch on the salt content correction:
1 Perform the preparatory activities according to section 4.3.1.
2 Immerse the D. O. probe in the test sample.
3 Press the <
▲> <▼> key repeatedly until the D. O. concentra-
tion in mg/l appears on the display.
RCL
cm
cm M
m S/
%
/pH mV
pH U TDS
Tref20
Cal
8
S
1
Sal
1/cmSal
AutoCal DIN
Lin
Tref25
nLF AutoCal TEC
Auto Store
LoBat AR
Time Baud
Day.Month No.
Ident Year
mbar
° F
/ K %
6 7 1
9 2
° C
TP
7
O
mg/l
ARng
1 Perform the preparatory activities according to section 4.3.1.
2 Immerse the D. O. probe in the test sample.
3 While pressing the <RUN/ENTER> key, switch on the salt con-
tent correction with <
▲> . The SAL display indicator appears
on the display. The specified salt content is taken into consid-
eration during the measurement.