Page 2 SITRANS LU10 – INSTRUCTION MANUAL 7ML19985AN02
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Introduction
About the SITRANS LU10
The SITRANS LU10 is a microprocessor based level monitor designed specifically for bulk
solids and liquid level measurement applications. A SITRANS LU10 level monitor, utilizing
a single Siemens Milltronics ultrasonic transducer, accurately monitors vessel material
level without material contact. By using an additional transducer for each vessel, the
SITRANS LU10 can monitor the material level in up to 10 vessels.
The SITRANS LU10 transmits electronic pulses to each scanned ultrasonic transducer.
The transducer converts the electronic pulses to ultrasonic pulses which are emitted
from the transducer face in a narrow beam. The SITRANS LU10 measures the time from
the pulse emission, to receiving the reflection (echo) from the material. Using the time
measured, the SITRANS LU10 calculates the distance from the transducer face to the
material.
The distance calculation is dependent upon the sound velocity within the vessel. When
Siemens Milltronics ultrasonic/temperature transducers are used, variable air
temperatures are independently compensated for each vessel. For superior air
temperature compensation, a TIB-9 card may be used with individual Siemens Milltronics
TS-3 temperature sensors for each vessel. A simple calibration feature compensates for
homogeneous (consistent composition) atmospheres other than air.
Notes:
• The SITRANS LU10 is to be used only in the manner outlined in this instruction
manual.
• This product is intended for use in industrial areas. Operation of this equipment in
a residential area may cause interference to several frequency based
communications.
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SITRANS LU 10
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