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Competitors analysis – Ultrasonic Level Sensors

Common Ultrasonic technology Ultrasonic level sensors work on the principle of sound wave transmission and reception. High frequency sound waves from a transmitter are reflected by the top surface of the content to a receiver. The height of the content is inferred from the round-trip travel time. Such sensors have limited range, singular frequency transmitter and work poorly in the presence of dust. In addition, such devices need to be custom-designed for different types of silo. APM technology Three factors combine to make the technology an innovative one and the best-of-class solution for accurate measurement of bulk solids, particularly those in dusty environments: 1. Low frequency of transmitted signals (under 4 kHz) 2. A 3-antenna system that measures not only elapsed time between transmission and receipt of acoustic echoes but also the phase between the echoes 3. Proprietary algorithms enabling precise 3-D mapping of the contents inside the silo or storage bin The 3DLevelScanner is unaffected by the type of materials being stored, avoiding the need for special calibration, or by environmental conditions, such as dust, filling “noise”, humidity, or temperature.

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Taking the guesswork out of bulk solids measurements