01/10/20 DSM-501-D Swingmill with Ultrasonic Sensors The Swingmill 501-D multi-plate non contact screw press was installed with a set of Siemens ultrasonic sensors, to monitor sludge level in the flocculation tank and the main sludge holding tank.  The ultrasonic sensors were selected instead of the standard probe sensors because the sludge contained alot of fibre … Continue reading Swingmill with Ultrasonic Sensors