Liquid Level Sensors - Automation Products Group Inc


Automation Products Group, Inc. (APG) introduces MNU Series Ultrasonic Sensors. Designed to operate as a slave device, MNU are self-contained sensors that measure distance, level or volume, with a standard Modbus RTU protocol (RS-485) output. Available in sensing ranges from 4 inches to 40 ft., the MNU is a robust yet affordable sensing solution that offers reliable readings with high accuracy (+/- .25% of detected range) and excellent resolution (.1 in. or 2.5 mm). 

With a proven history of success in water and wastewater, chemicals, and oil and gas, the MNU is fit for a variety of liquid level measurement applications. Furthermore, with its low current draw, the MNU is ideal for remote locations where power conservation with solar panels and batteries is critical. For users looking for a complete remote monitoring package, MNU level sensor users can also access their data remotely via APG’s Tank Cloud Remote Monitoring System. Tank Cloud is a cost-effective and enables users to monitor facilities and processes from anywhere with an internet connection, 24 hours per day, seven days per week, through an easy-to-use online interface.


  • operate as a slave device
  • measure distance, level or volume
  • sensing ranges from 4 inches to 40 ft.
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