Electrostatic Ultrasonic Sensor Applications

SensComp’s ultrasonic transducers and sensors are used in both indoor and outdoor applications in a variety of industries and applications. Ultrasonic sensors use the sonar principle in air. They send out an ultrasonic chirp, then convert to the receive mode and wait to detect a return echo from the surface of the target. They are used in applications where a non-contact sensor is required or desired. Our transducers use the electrostatic sensing technology developed by Polaroid.

When Piezo sensors failed to reliably detect soft targets, Polaroid invested millions to create a compact, low-cost electrostatic ultrasonic transducer. The result was a highly sensitive, reliable solution that enabled precise autofocus in cameras and later expanded into broader non-contact sensing applications.

In 2002, SensComp acquired this division and remains the exclusive manufacturer of the 600 Series Transducer. With continuous advancements-including rugged stainless steel housings, parylene coatings, and improved gasketing-our transducer remains a reliable, high-performance solution for today’s most demanding sensing needs.

Why Choose SensComp for Transducers and Sensors?

SensComp’s electrostatic transducers and sensors offer:

  • Long-range capability (up to 40′)
  • Reliable detection of small targets
  • Superior stability across varying temperatures
  • Range from 1″ to 40′
Tractor applying spray across a large agricultural field during sunrise

Agriculture

Used on agricultural machinery to spray varying height of crops

Monitor tank levels (solid and liquid level and bin measurement and control)

Monitor irrigation systems

Increase farm profitability

Used with analytics and data collection

Students and instructor interacting with a robotic arm in a STEM education lab

Education Technology

Used in classroom and lab products for STEM education and student led learning

Educational products for elementary and middle school, high school and college students

Complete solutions for the modern physics laboratory

Hands on learning with real world data

Automated guided vehicle carrying materials in a modern automotive factory

Robotics

Maximize production efficiency

Automated guided vehicles

Obstacle avoidance

Assist operators to avoid collisions with fixed and moving objects

Perform repetitive tasks and reduce the need for human intervention

Grain silos illuminated at night at a bulk storage facility

Level Detection & Control

Solid and liquid level measurement and control

Used in various industries for process control and inventory management, such as ice machines, water treatment, grain bins, oil tanks and more

Detect difficult targets in tanks such as reflective and soft surfaces

Remote snow depth measurement

Multiple toll lanes at a highway checkpoint during sunset

People and Object Detection

People and object control

For drive up/drive thru industries, automatic gates, parking control, toll booths, highway traffic management and loading dock management

Used to detect patient presence, such as height and distance, in Health Screening Kiosks for self-service telemedicine

Conveyor belts sorting red and black berries in a food processing plant

Production Line Sensing

Measurement and automated process control

Sense absence or presence of objects

Height control

Counting objects

Increase process capability and accuracy

Large roll of white industrial material on a paper processing line

Proximity Detection and Distance Measurement

Loop control, roll diameter and tension control

Sense absence or presence of objects

Level and height detection

Counting objects

Landing assistance/drones

Garbage truck lifting a blue waste bin using hydraulic arms

Heavy Equipment

Used in various industries such as garbage trucks, agricultural, construction earth movers, forestry and more

Highway and roadway paving leveling

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