Understanding the difference between dynamic and static torque is vital in selecting the right torque sensor. Dynamic (rotary) torque measurement is required when the sensor must rotate with the shaft, typically when the component operates at high speeds and/or undergoes significant angular acceleration. The sensor measures the applied or transmitted torque through the rotating shaft. Static (reaction) torque measurement occurs when there is no or negligible angular acceleration of the rotating element, or more commonly, when the measurement is taken on the non-rotating reaction element of a system.

Torque is the rotational force that causes an object to turn. Interface rotary torque transducers are versatile sensors that integrate electronics directly onto the rotating shaft. Engineers measure torque using torque transducers that convert a torsional mechanical input into an electrical output signal, typically a voltage or current. Rotary torque transducers are ideal for dynamic applications where continuous rotation is required, eliminating the need for complex wiring and reducing potential points of failure. They are commonly used in measuring torque for engines, gearboxes, robotics, aircraft, medical devices, tractors, and windmills. If it turns, it needs to be measured.

Interface Torque Measurement Primer provides a comprehensive technical guide to navigate types of transducers, measurement calculations, intallation methods, accessories, mechanical considerations and environmental factors. Torque measurement can be simple or complex, and choosing the suitable transducer requires a deep understanding of your application’s needs. Torque Primer Review Part 2