Ametek Drexelbrook 505-1320 Series, Инструкция по установке и эксплуатации

Страница: 33 / 40

27
505-1320 Series Ultrasonic Open Channel Flowmeter
TM
—Operation Check
A more precise way to check the temperature sensor is
to measure the current flow while the unit is on. Refer
to
Figure 5-1 .
a. Shut power off.
b. Loosen the screw holding the orange wire at the
transmitter.
c. Remove the orange wire.
d. Place a multimeter (capable of measuring
microamps) in series with the orange wire and
empty screw.
e. Re-apply power.
f. The microammeter should read:
273 µamps @ 32°F
293 µamps @ 68°F
311 µamps @ 100°F
Readings outside these listed ranges indicate a failed
temperature sensor. Call Factory Service at 1-800-527-
6297.
If you have questions about your Drexelbrook equip-
ment:
•••••
Contact your local Drexelbrook representative,
••••• Call the Service department toll-free at
1-800-527-6297 (in US and Canada) or
1-215-674-1234 (outside North America),
•••••
Fax the following information to the Service
departmentat 1-215-443-5117.
5.3 Checking the
Temperature
Sensor
(continued)
µ
µ