Automation Products Group, Inc. (APG)

APG - Model IRU-6429 - Mid Range Ultrasonic Level Sensor With Data Logging - Datasheet

The IRU-6429 series provides a non-contact method of detecting level, presence/absence detection, volume, proximity and distance. With built in technology to compensate for unpredictiable variables such as humidity, temperature and agitators the IRU-6429 is the right sensor for your application.