Xylem ProLab 2000 - Manual (Page 12)

Overview ProLab 2000
12 ba75577e05 11/2013
1.4 Socket field
CAUTION
Only connect sensors to the meter that cannot return any voltages
or currents that are not allowed (> SELV and > current circuit with
current limiting).
Nearly all commercial sensors - especially SI Analytics sensors -
fulfill these requirements.
Connections:
1 Conductivity measuring cell / D.O. electrode
2 pH ions electrode
3 Reference electrode
4 Temperature sensor
5 USB interface
6 Power pack
7 RS232 interface/analog output
2 1 3
4
5 6
7