F-4300 Clamp-on Ultrasonic Thermal Energy Measurement System
Installation Hardware Instruction for Clamp-on Thermowells
ON
I
CON
Flow and Energy Measurement
DOC-0004103 Rev.A
ONICON Incorporated • 11451 Belcher Road South • Largo, FL 33773 • USA • www.onicon.com
IMPORTANT NOTE
ONICON BTU meters are
precision measuring devices
that must be installed
according to the instructions
contained in this document
in order to maintain their
accuracy and reliability.
For Use with Kit: INSTL0501-TSC & INSTL0502-TSC
Please read entire manual before installing the meter.
The two temperature sensors must be located in such a manner
as to accurately measure only the temperature of the supply line
entering and the return line leaving the portion of the piping
system for which the energy measurement is being made.
If possible, nd an easily accessible location where wire
connections can be made from oor level. This will facilitate any
future service.
One temperature sensor thermowell will need to be placed in the same pipe as the mounting
brackets. If it is an immersion thermowell, it must be located on the downstream side of the mounting
brackets.
The downstream distance between the thermowell and brackets should be at least ve (5) pipe
diameters, leaving enough clearance to remove either sensor from the pipe without interference from
the other sensor.
IMPORTANT NOTE:
Place the temperature sensors away from strong sources of electrical noise that might aect the
performance of the sensors.
FLOW DIRECTION
CLAMP-ON FLOW METER
INSTALLATION LOCATION
CLAMP-ON
THERMOWELL ASSEMBLY
TYPICAL THERMOWELL INSTALLATION
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