4. Route the preamplifier cable to the location of the
P/N 33217 preamplifier through conduit, if
necessary. Unscrew and remove the preamplifier
cover. Pass the cable through the PG-9 connector.
5. Using the chart below, connect the wires from the
preamplifier cable to the preamplifier.
Note: If the cable must be cut, tin the wires
before connecting.
Terminal Connection
Color
Temp. Comp.+
Red
Temp. Comp. -
Black
TC GND
Green
Preamp Power + 5V
Orange
Preamp Power - 5V
Blue
Temp. Comp. -
Black
Temp. Comp. +
Red
VpH
White
COM
Brown
TC GND
Green
© 1999 LMI Milton Roy - All Rights Reserved
Printed in USA
Specifications subject to change without notice.
From Temp
Comp Cable
Cable
from Controller
Fig. B
6. Connect the pH/ORP electrode BNC connector to
the mating BNC on the preamplifier .
If temperature compensation is to be used, remove
the white plastic dowel pin from the PG-7 connec
tor. Run the temperature compensation wires (red,
black and green) in through the connector and
connect to the three terminals of the electronic
module as in the chart above.
