Xylem ProLab 1000 BENCH TOP pH METER - Manual (Page 10)

Overview ProLab 1000
10 ba75576e04 01/2011
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 pH electrode
2 + 4 Reference electrode
3 Temperature sensor
5 Dead stop connection
(e.g. for double platinum electrodes)
6 USB interface
7 Power pack
8 RS232 interface/analog output
1 2
3
6 7
8
4
5