The influence of force transmission and transducer dimensions on the accuracy of the force measurement is studied experimentally by testing several force transducers designed and built by VTT. The results are analysed with a FEM-analysis of the transducer body. The transducers operate on the principle that the applied force creates shear forces in the transducer and these are registered with strain gauges. The testing of the transducers was performed so that the force was applied in different directions towards the transducer. In this way the inaccuracy resulting from the calibration method used can be reduced.