Manufacture ultrasonic distance sensors for machinery and industrial automation including motion and loop control, liquid and solid levels, and proximity sensing. Includes applications and technology.Senix Corp Non Contact Ultrasonic Distance Sensors Senix Corporation Non-Contact Ultrasonic Distance Sensors Senix ? Home Page Distance Measurement for R & D, Machinery and Industrial Automation Measures by Reflected Ultrasound (non-contact) Typical Uses: Features & Benefits: Motion control Roll diameter Loop control Liquid level Solids level People detection Security Proximity sensing Dimensionin