The 3115F and 12390 by Sensy is a Reference force transducer designed for checking concrete testing machines which is based in EN 12390-4 and DIN 51302-2 standards. Using this unit, it enables the system to check homogeneity of the repartition coming from forces that are generated. It verifies self-alignment and the original alignment of the parts of the machine. The equipment comes with a housing that is made of alloy and plated with nickel. Also, it comes with a protection class of IP65.