9
INSTALLATION
pH500
and
mV600
offer a multitude of
possibilities, from
single and dual set-
points to ON/OFF or
propotional dosage,
isolated outputs with
user-selectable zoom,
bi-directional RS232,
recorder outputs in
mAmps and Volts.
In addition, pH500
and mV600 are both
equipped with the
exclusive differential
input.
In a system with poor
grounding, it is possi-
ble to have a ground
current flowing through
the reference junction.
This can cause a rap-
id degradation of the
electrode.
The Hanna Instruments
differential input re-
duces the likelihood of
ground loops.
See the diagram for a
recommended instal-
lation.
