FUTEK Advanced Sensor Technology (FUTEK) manufactures Force Sensors in the United States. FUTEK is a major maker of Force Transducers, utilising one of the most advanced technologies in the Sensor Industry: metal foil strain gauge technology. A transducer that converts an input mechanical load, weight, tension, compression, or pressure into an electrical output signal is referred to as a force sensor (load cell definition). Force Sensors are often referred to as Force Transducers. Load cells are classified into numerous varieties based on their size, geometry, and capacity.
What is a Force Sensor?
A force sensor is, by definition, a sort of transducer, specifically a force transducer. It transforms an input mechanical force such as load, weight, tension, compression, or pressure into another physical variable, in this example, an electrical output signal that can be measured, converted, and standardised. The electrical signal changes proportionally to the force applied to the force sensor.
Force transducers have become an essential component in a wide range of industries, including automotive (car sensors or vehicle sensors), high precision manufacturing, aerospace and defence, industrial automation, medical and pharmaceuticals, and robotics, where accurate and repeatable measurement is critical. Many unique force measuring applications have lately emerged as a result of improvements in Collaborative Robots (Cobots) and Surgical Robotics.
How does a Force Sensor work?
To begin, we must comprehend the fundamental physics and material science underlying the strain gauge's working concept of force measurement (sometimes referred to as Strain gage). A metal foil strain gauge is a sensor whose electrical resistance changes as force is applied. In other words, it transfers (or transduces) force, pressure, tension, compression, torque, weight, and so on into an electrical resistance change that can subsequently be measured.
Strain gauges are electrical conductors tightly attached to a film in a zigzag shape. When this film is pulled, it — and the conductors — stretches and elongates. When it is pushed, it is contracted and gets shorter. This change in shape causes the resistance in the electrical conductors to also change. The strain applied in the load cell can be determined based on this principle, as strain gauge resistance increases with applied strain and diminishes with contraction.
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