
IM-P505-02-US
Issue 1
29
UTM20 Series Ultrasonic Transit-time Flowmeters
1.
Guide the transducer terminations through a conduit hole in the bottom of the enclosure.
2.
Secure the transducer cable with the supplied conduit nut (if flexible conduit was ordered with
the transducer).
3.
Install the ferrite to the cable:
a. To open the ferrite, pull the fastener away from the body of the ferrite.
b. Wrap the cable tightly around half of the ferrite and place the cable into the groove.
c. Snap the ferrite shut.
Fig. 30
4.
The terminals within the transmitter are screw-down barrier terminals. Connect the wires at the
corresponding screw terminals in the transmitter. Observe upstream and downstream orientation
and wire polarity. See below.
Fig. 31 Upstream/downstream transducer
Inner Shield
Outer Shield
TB300
Red
Black
Green (2)
Red
Black
69039, Triax Cable
U
Upstream-
Dow
Downstream-
Transducer