APG IRU-3000 datasheet - Manual

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Automation Products Group, Inc.
1025 West 1700 North
Tel. 1/888/525-7300
Logan, UT 84321 USA Fax 1/435/753-7490
w w w . a p g s e n s o r s . c o m
s a l e s @ a p g s e n s o r s . c o m
IRU-2000/3000 Ultrasonic Level Sensors
APG
Automation Products Group, Inc.
®
Rev. 4.08
IRU-2000/3000
Ultrasonic Level Sensors
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1 to 25 ft. (0.3 to 7.62 m)
detection range for 2000 series
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1.25 to 35 ft. (0.38 to 10.67 m)
detection range for 3000 series
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Easy to install
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Internal temperature
compensation
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Programmable response time
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Maintenance free
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Programmable filtering
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Description
The IRU 2000/3000 series
sensors use ultrasonic technology
to provide a non-contact method
of determining distance or level
measurements. This versatility
makes the IRU series ideal for a
variety of applications. The color,
translucency, dielectric constant,
specific gravity or viscosity of the
target does not affect an ultrasonic
sensor. Ultrasonic sensors
function extremely well in harsh
environments, are reliable, and
require little or no maintenance.
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Operational Description
Ultrasonic sensing is very similar
to radar. The sensor transmits
ultrasonic sound waves. If the sound
waves meet a solid or reflective
object, such as a liquid, they are
reflected back and detected by
the sensor. The time of flight is
measured, and since the speed of
sound is a well-known variable,
the distance to the object can be
calculated.
Until recently, the many
variables in the speed of sound
created inaccurate readings. With
the advent of microprocessor
technology, these variables can
now be factored into the equation
and eliminated. One such variable
is ambient temperature. The
IRU series incorporates internal
temperature compensation to adjust
for changes in ambient temperature.
The IRU series also incorporates
programmable filtering options
to account for other variables,
such as waves on a liquid, or tank
irregularities. The distance to the
object is converted into an analog
output signal that is user adjustable.
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Applications
The IRU series was designed for a
wide range of applications, including
presence/absence detection,
proximity detection, and level
control.
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