User Manual
Display and socket field pH 1970i
18
ba75675e01 01/2007
Display and socket field
Display
Socket field
ARng
nLF
Oxi
Tref25 Tref20
REL2REL1
Sal
cm
1/
m
cm
S/
%
mg/l
S
Sal
O
Lin
K
/
%
pHmV/
pH
8
8 8 8 8
88
1
°
C
Time
Year
LoBat
Cal
TEC
AR
RCL
Ident
Auto
Store
TP
No.
Day.Month
Baud
Status display indicator
Measured value display
Function and
Temperature display
Sensor symbol
Sensor / Instrument Socket /
Position
pH depth armature
The sockets, 1 and 2 must not be assigned at the same time.
1
pH electrode or pH combination electrode 2
pH combination electrode with temperature sensor 2 and 4
Reference electrode 3
Temperature sensor, external 3 and 4
Printer, recorder or PC (serial interface, RS232) 5
Plug-in power supply unit 6
Watertight valve for internal pressure equalization 7
1
3
4
2
5
6
7