91R1A-R22-D15L

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A rotary potentiometer, also known as a multi-turn or rotation potentiometer, is a type of variable resistor. It is a continuous angular transducer, meaning it is able to measure the rotation of a shaft or wheel. The 91R1A-R22-D15L is a single-turn, non-adjustable, and linear-rotary potentiometer that is commonly found in industrial automation systems, automobiles, power supplies, and medical devices.

A rheostat is a two-terminal variable resistor. It regulates current flow by adjusting the resistance between the two terminals. Unlike a potentiometer, a rheostat only has two resistive elements – the simple act of changing the resistance provides a constant voltage output. The 91R1A-R22-D15L is a single-turn, adjustable, linear-resistive rheostat, with a maximum resistance rating of 15 Ohms. It is commonly used in industrial automation and control systems, automotive applications, and medical equipment.

The 91R1A-R22-D15L is typically used in application fields where control of a continuous input range is needed, such as in voltage regulation and position feedback systems. It works by altering the resistance between two terminals by rotating its shaft. The output voltage is proportional to the angular rotation, and is linearly proportional to the resistance between the two terminals.

The 91R1A-R22-D15L is composed of a carbon track, carbon brush, brass rotor, a plastic housing, and a wave washer. The carbon track is made from conductive material and is inscribed with a transverse resistance profile, which is linked to the linear relationship between resistance and angle of rotation. The carbon brush rides over the carbon track which allows the rotation of the potentiometer or rheostat to be translated into a linear change in resistance. The wave washer provides tensioning pressure on the metal rotor, which in turn helps maintain the contact pressure between the carbon brush and the carbon track. The plastic housing is used to contain, and protect the other components from environmental factors and electrical interference. When the motor is rotated, the metal rotor, connected to the motor shaft, moves the carbon brush along the carbon track, increasing or decreasing the resistance between the two terminals.

To summarize, the 91R1A-R22-D15L is a rotary potentiometer and rheostat commonly used in industrial automation, automotive, and medical applications. It works by altering the resistance between two terminals by rotating its shaft, producing a linear change in resistance. It is typically composed of a carbon track, carbon brush, brass rotor, a plastic housing, and a wave washer.

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