Jameco Part number 151482
151482 - Ultrasonic Sensor User's Guide
Ultrasonics
Overview
Introduction
Ultrasonic sensors measure the distance or presence of a
target object by sensing a sound wave, above the range of
hearing, at the object and then measuring the time for the
sound echo to return. Knowing the speed of sound, the
sensor can determine the distance of the object from the
transducer element.
(1) Ultrasonic pulse transmitted from sensor
(2) Ultrasonic echo returns from target
Advantages
Non-contact
Measures through the air without touching the
target object, at relatively large distances.
Object Ranging
Object distance is measured rather than just the
presence or proximity.
Distance Proportional Output
The sensor's outputs are proportional or related to
the measured target range.
High Resolution
Precise discrimination of target position.
Unaffected by Target's Optical Characteristics
The sensor's operation is not sensitive to ambient
light levels, the target color, or target's optical
transparency or reflectivity.
Sensitive
Detects large and small objects.
Typical Applications
and many more...
Senix Corporation, 52 Maple St., Bristol, VT 05443
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