User Manual

38 Mounting requirements in heated or cooled pipelines
Section 2: Mechanical installation Daniel 3814 Liquid Ultrasonic Meter Installation Manual
March 2015 3-9000-760 Rev E
2.4 Mounting requirements in heated or cooled
pipelines
The ambient operating temperature of the Daniel 3814 Liquid Ultrasonic Flow Meter electronics
(i.e. Flameproof enclosure and Intrinsically safe base enclosure) is -40
o
C (-40
o
F) to +60
o
C
(+140
o
F). If the meter is installed into a pipeline which is heated or cooled outside this
temperature range it is necessary to remove the electronics housing from the meter body (i.e.
Spool piece acting as process fluid conduit) and mount it next to the meter body on a pipe stand
or other rigid structure.
Extended length transducer cables (P/N 1-360-01-601, 15 ft. long) shall be used to connect the
Daniel 3814 Liquid Ultrasonic Flow Meter electronics to the transducers installed in the meter
body. The process temperature must also not exceed the operating temperature range of the
transducers. LT-01 and LT-03 transducers have an operating range from -50
o
C (-58
o
F) to
+100
o
C (+212
o
F).
For process fluid temperatures up to 150
o
C, the high temperature extended length transducer
cables (P/N 1-360-01-800) shall be used to connect the Daniel 3814 Liquid Ultrasonic Flow
Meter electronics to the transducers installed in the meter body. The process temperature for
LT-04, LT-05, LT-08 and LT-09 transducers must also not exceed the operating temperature
range of the transducers -50
o
C (-58
o
F) to +150
o
C (+302
o
F).
SURFACE TEMPERATURE HAZARD.
The meter body and piping may be extremely hot or cold.
Wear appropriate personal protective equipment when coming in contact with the meter.
Failure to do so may result in injury.