Safety
Safety
instructions
Display
Jack field
4
Safety
The individual chapters of this operating manual use the following safety in-
struction to indicate various types of danger:
Warning
indicates instructions that must be followed precisely in order to avoid the
possibility of slight injuries or damage to the instrument or the environment.
Display and jack field
TDS UpH
O
S
1
8
8 8
Time
Baud
8
8 .
Day.Month No.
Year
Ident
Tref25 Tref20
AutoCal DIN
LoBat
nLF
Lin
Cal
AutoCalTEC
1 Oxygen sensor
2 Plug-in power supply ( Oxi 3400i only)
3 RS232 interface or analog output/recorder ( Oxi 3400i only)
Warning
Only connect sensors to the measuring instrument that cannot return any
voltages or currents that are not allowed (> SELV and > current circuit with
current limiting). Almost all sensors - in particular WTW sensors - fulfill these
conditions.
Sal
mV/pH
% mg/l
S/
m
cm
mbar
M
cm
1/ cm
Sal
8
°
C
/
%
K
TP
°
F
Auto Store
ARng
AR
RCL
1
2
Oxi 3300i/3400i
Status display indicator
Sensor symbol
Measured value display
Function and
Temperature display
3