Articles & Research

The Difference Between Force Measurement Techniques

Learn how force-sensitive resistors (like FlexiForce touch sensors) compare to load cells.

No matter the application, engineers often wonder about the best method for measuring force feedback. This article breaks down how common embedded force-sensing technologies compare.

Engineers in many industries need reliable ways to measure compressive force, either during product development or as an embedded component within a product or device. In industrial automation, machines must measure and regulate the forces they apply to the objects with which they interact. Medical devices and human-machine-interfaces (HMIs) need to measure force as well, albeit on a much smaller and more precise scale.

When considering force-sensing technologies for an application, engineers must take power requirements, form factors, sensor accuracy, upfront and operating costs, and other factors into their choice. In a broad sense, load cells and force-sensitive resistors (like FlexiForce touch sensors) are the two most common methods.

This article breaks down the specific differences between load cells and force-sensitive resistors. 

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