What is a Torque Sensor?

A torque sensor measures the amount of rotational force on mechanical components. The measurements are transmitted to operators or control systems in order for machines to function properly and engines to function properly. In the sensor, a metal spring is attached to a strainer, which is affected by the torque the sensor is exposed to. The voltage is then generated based on how much torque it is. A torque transducer is usually classified as either a rotary or reaction sensor and its function depends on the amount of torque it can handle, what kind of load and driver it is built for, and the load can then tolerate a machine or motor start.

Reaction type of sensor torque is stationary and requires a method of attaching and electrical connections to the moving components being measured. More stable systems have a rotating torque sensor, where the sensor electronics rotate with the sensor. Attaching a cable to a rotary sensor is difficult, so the engineers have added digital electronics that can turn, attach traps, or have taken radio transmitters. Tensile amplifiers and signal converters have also been integrated into rotating components and more complex constructions once analog to digital as well as digital to analog converters.

Measurement errors due to the power of mechanical components affect the accuracy of an in-line torque sensor. A sensor that rotates while measuring may be a solution to this problem. To prevent damage to the sensor, the maximum torque the sensor can often handle must be known. The type of load applied to the sensor may vary greatly depending on where it is used. The load forces fan or blower, conveyor belt or crane, for crushing equipment and crankshaft of car engines are rated on a scale to categorize each sensor torque.

The type of engine the sensor can handle depends on whether it is rated for a four, six or eight-cylinder engine or a gas or diesel system. A torque sensor can handle a certain driving force created by the particular engine type. In a pump, a torque meter can detect changes in flow, while it can measure the amount of power a punching machine has by putting a lid on a bottle. A torque sensor may also be attached to a conveyor motor to control the voltage. It is also used in electronic screwdrivers as well as in training and testing machines.

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