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Sensors Author

Donald P. Massa


Article
Choosing an Ultrasonic Sensor for Proximity or Distance Measurement Part 2: Optimizing Sensor Selection   March 1, 1999
By: Donald P. Massa

An understanding of radiation patterns and the target's effect on echoes is essential to evaluating candidate sensors in terms of frequency variations, accuracy and resolution, target range, effective beam angle, and the influence of ambient temperature variations on sensor performance.

Article
Choosing an Ultrasonic Sensor for Proximity or Distance Measurement Part 1: Acoustic Considerations   February 1, 1999
By: Donald P. Massa

The first step toward identifying the right proximity sensor for your application is to understand the fundamental ultrasonic properties of the transmission medium and the way they influence the measurement and system operation.