82A2A-B28-A15/A15L

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82A2A-B28-A15/A15L application field and working principle

A rotary potentiometer, also known as a rheostat, is a type of electrical device that can be used to measure voltage or current in an electrical circuit. It consists of a resistive element, typically a wire-wound rod, which can be turned or rotated in order to change its resistance and thus the voltage or current in the circuit. This device is used in a variety of applications, from controlling the levels of light or sound in home entertainment systems to accessing signals in industrial or scientific equipment such as an oscilloscope.

The 82A2A-B28-A15/A15L is a rotary potentiometer that is commonly used to control the gain of sound reinforcement systems. It features a knurled shaft that offers a comfortable grip when turning the device. The 82A2A-B28-A15/A15L has a resistance range of 100 ohms to 10k ohms and is designed to operate on up to 30 VDC. It can also be used in temperatures ranging from -10°C to 85°C.

The working principle of a rotary potentiometer is relatively simple. When the shaft is turned, the resistance of the element changes due to the changing position of the contact along the length of the element. This variation in resistance results in a corresponding change in the voltage or current in the circuit. This is particularly useful in audio equipment, where the device can be used to adjust the levels of sound being produced.

In addition to being used in audio systems, rotary potentiometers are also used in laboratory equipment, industrial controls, automotive parts, and electronics where accurate voltage or current control is required. These types of devices are also essential in controlling measuring instruments such as voltmeters and ammeters.

The 82A2A-B28-A15/A15L is a robust and reliable rotary potentiometer that can be used in a variety of applications. It is designed to be used in temperatures ranging from -10°C to 85°C and can operate on up to 30 VDC. Its resistance range of 100 ohms to 10k ohms makes it ideal for controlling the levels of sound in audio systems.

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