User Manual

Overview Cond 1970i
8
ba75692e01 01/2007
1.3 Socket field
Sensors You can use the following sensors with the Cond 1970i:
z Conductivity depth armature
z Conductivity measuring cell
z Option: External temperature sensor
Connectors
Warning
Only connect conductivity measuring cells to the measuring instrument
that cannot return any voltages or currents that are not allowed (>
SELV and > current circuit with current limiting). Nearly all measuring
cells - especially WTW measuring cells - fulfill these conditions.
Sensor / Instrument Socket
Conductivity measuring cell or depth armature 1
Temperature sensor, external 2 and 3
Printer or PC (serial interface, RS232) 4
Plug-in power supply unit 5
Watertight valve for internal pressure equalization 6
2
3
1
4
5
6