Solid Applied Technologies Ltd. (SolidAT)

MonoScan for stock management of animal feed case study


Courtesy of Solid Applied Technologies Ltd. (SolidAT)

MonoScan provides a reliable and accurate continuous level indication of animal feed.

MonoScan is deployed in a very large regional large feed mill. This feed mill supplies feed for poultry, turkeys, ruminants, fish, rabbits, and pigeons. The plant has a modern premix department that produces vitamin and trace mineral premixes for customers by demand.

The problems

In today's demanding agricultural market, efficiency is the indisputable key to success. There is a true need for accurate measurement of animal feed in order to optimize feed management and ordering processes in diverse conditions. A well known measurement method is the Silo Weighing Control System which indicates on demand the feed weight in the vessel. An electro mechanic pressure sensor transfers the information to a control unit which calculates the weight according to the specific gravity of the measured material. Some of the major problems for this weighting system are that it is a high cost solution which is often not suitable for poultry feed mills that normally contain a large amount of tanks.

Another problem that arises from the different types of feed being stored in the same tanks is the stock management. The specific gravity for each feed is different and so is the weight calculation. This element complicates the tank control and stock management because of the need for extra calculations far beyond the weight measurement.

Furthermore, this electro mechanic element requires high maintenance and frequent calibration. All these decrease the efficiency of the Silo Weighing Control System measurement method.

The solution

Solid AT has made two installations of MonoScan devices in Kfar Vitkin. The tank heights in both tanks were 4.6meters. The 25Khz devices were installed on the top of the tanks, as far as possible from inlets. The 4-20mA output gives information about the distance between the sensor and the application surface. Therefore, customers do not depend on the type of feed and its specific gravity but the distance. Feed types are changed often and that fact doesn’t require any change or calibration to the MonoScan. The device provides a highly reliable reading and enables a setting of high level, low level, and error indication. Another important added value is the option to move the MonoScan from one tank to another with minimum efforts. Normally this is done when one tank is temporarily shut down.


The MonoScan, non contact gauging device was found to be the most suitable device for these applications. The MonoScan gives a cost effective solution and answers to the different and changeable conditions in this industry. The small and light device is easy to configure and easy to install and therefore provides the ultimate solution for the feed mill industry.

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