Operation
pH/Oxi 340i
34
Temperature sensor
The D. O. probe has an integrated temperature sensor that always
measures the current temperature of the test sample.
4.4.2
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 4.4.6 E
NTERING
THE
SALT
CONTENT
(
SALINITY
) on page 40.
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 salt
content correction
Proceed as follows to switch on the salt content correction:
1
Perform the preparatory activities according to section 4.4.1.
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.
8
LoBat
Time
Baud
Day.Month No.
Ident
Year
Sal
%
mbar
1
S
RCL
AR
Store
Auto
Cal
°
F
1/cm
/
K
%
TDS
UpH
Sal
mV/pH
S/
m
cm
cm
M
Lin
Tref25 Tref20
nLF
AutoCal DIN
AutoCal TEC
6
7
1
9 2
7
O
°
C
mg/l
ARng
TP
1
Perform the preparatory activities according to section 4.4.1.
2
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.
