The load to be measured is applied either using a load button or an application specific thread part to the load cell via a M8 thread, which is located in the axis of the tension and compression sensors. A strain gauge full bridge is in the sensor element, which converts the applied load into an electrical signal.
The mounting of the load cells is unproblematic due to the three-point support. This reduces the mounting surface requirements.
In order to achieve an optimal measuring result, the force to be measured must be applied to the sensor axially. Lateral forces can be avoided by constructional measures like mounting the load cell on movable bearings, guiding sleeves, etc.
Load buttons (see drawings) enable an optimal appliance of the compression forces to the load cells. The measurement error upon non-axial load application is negligible up to an angle error of 3° due to the sensor’s convex surface. The output signal is positive in the calibrated direction of motion (compression force). The characteristic value in the direction of tension can deviate from the calibrated direction of compression by up to 0.3 %.
