EVL-HFKA01B24

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Thumbwheel potentiometers refer to a class of devices used to control electric current or voltage in electronic systems. The EVL-HFKA01B24 is an example of a thumbwheel potentiometer which is used in a variety of applications due to its small size, low cost, and wide range of available functionality.

The EVL-HFKA01B24 is a dual-location thumbwheel potentiometer. It has an industry-standard size which makes it easy to integrate in a variety of systems. It has a wide usable operating temperature range of -40C to +85C and 30K pulses per revolution, making it suitable for a variety of industrial and automotive applications. It is available in a range of resistances and has a power rating of 0.4 W, which makes it an ideal solution for controlling voltage or current in most applications.

The EVL-HFKA01B24 is a ganged type thumbwheel potentiometer, which means that it contains two independent rotary tracks. Both of these tracks have their own output which allows for dual channel control of a single input. The EVL-HFKA01B24 also has a center tap contact which allows it to be used as a three-terminal device, providing the user with additional control and flexibility. The EVL-HFKA01B24 is also equipped with a detent and has a calculated tolerant angle of only 5 degrees, making it highly precise and accurate.

The EVL-HFKA01B24\'s working principle is as follows: The thumbwheel potentiometer is driven by a rotary motor and is connected to a pair of wipers. The rotary motor is powered by an external DC voltage source, and the speed of rotation is controlled by the current supplied to the motor. When the user turns the thumbwheel, the wiper is pushed against the resistor track on the device, forming a resistive bridge. As the thumbwheel turns, the resistance between the two wipers changes, indicating the position of the thumbwheel. The change in resistance is then used to modify the voltage or current of the system.

The EVL-HFKA01B24 thumbwheel potentiometer provides a reliable, cost effective solution to control voltage or current in many applications. Its dual-location, ganged type design makes it perfect for applications requiring precise, independent measurement of two different signals, while its wide temperature range and superior tolerance angle make it resistant to shock and vibration. It is the ideal choice for use in demanding industrial and automotive applications.

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