Usually, when measuring forces, a degree of accuracy required by the question is assumed. The accuracy of the measurement of the force depends not only on the sensor used, but also on the force to be measured - the measurement uncertainty rises the smaller the force. Conversely, the following results: If an accuracy is defined, the measuring range of the force transducer rises with its accuracy.
The advantages of modern technology for practice:
- Extended measuring range: with high-capacity sensors you can determine smaller forces with a prescribed accuracy (measurements in the part-load range)
- The requirements of measurement technology are increasing because the requirements of testing are likewise increasing. If we consider the useful life of force transducers, it certainly makes sense to rely on future-proofing - with the currently available accuracy and insensitivity to ambient conditions.
- Incorporate more spare capacity. The more you can use the lower range of the sensor, the more conservatively you can design your measuring chain. If there is a risk of overload, just choose a slightly bigger sensor. The capacities in accuracy are usually not enough to achieve your goals.
- Reduce your waste: The transducer's measurement accuracy needs to be assessed to enable the process to be evaluated. To implement a good/bad evaluation, the components may only be judged to be OK when they lie within the setpoint range less the measurement tolerance (symbolized in the diagrams by the blue hatched lines). As can be seen, the number of tolerable parts rises when the measurement accuracy rises (right-hand graph). Expressed in a different way, the number of parts to be rejected is also dependent on the measurement accuracy of the force measurement chain.