Safety
Multi 340i
4
Safety
Safety
instructions
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
Display
Jack field
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.
ARng
Tref20
AutoCal DIN
Lin
TDS
cm
M
°
F
/
K
%
Time
Baud
Day.Month No.
Ident
Year
8
8 .
8
8 8
8
°
C
%
mg/l
TP
1
mV/pH
UpH
Sal
O
S
Tref25
nLF
AutoCal TEC
RCL
Auto Store
LoBat
Cal
AR
1/cmSal
mbar
S/
m
cm
Status display indicator
Measured value display
Function and
Temperature display
Sensor symbol
1 Oxygen sensor or conductivity
measuring cell
4 Plug-in power supply unit
2 pH electrode
5 RS232 serial interface
3 pH temperature sensor
5
1
2
3
4
