Xylem Lab 870 - Manual (Page 10)

Overview Lab 870
10 ba75555e04 11/2009
1.3 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).
Almost all sensors - in particular SI Analytics GmbH sensors -
fulfill these conditions.
Connectors:
1 pH electrode
2 Reference electrode
3 Temperature sensor
4 USB interface
5 Power pack
6 RS 232 interface
1 2 3 4 5 6