EVM-1ESX30B12 Potentiometers, Variable Resistors

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Trimmer Potentiometers are used to adjust electrical resistance to either vary the voltage drop across a load, as in a variable resistor; or to vary the output current of a constant voltage source, as in a rheostat. EVM-1ESX30B12 is a Trimmer Potentiometer that is widely used in many fields. This article will discuss its application fields and its working principles.

Application Fields

The EVM-1ESX30B12 is an upgraded version of the standard Trimmer Potentiometer. It is widely used in audio-visual applications, such as volume control, frequency control, and balance control. In addition, it is also used for fine tuning and trimming in applications such as TV sets, radio sets, audio systems, automobile entertainment systems, and video game consoles. It is also widely used in biomedical devices, such as dialyzers and transcutaneous oxygen monitors.

The EVM-1ESX30B12 is also used in circuit control. With its high precision, it is used in communication and control equipment, such as communication systems and peripheral equipment. It is also used in test and measurement equipment, such as measuring instruments and electronic scales. It is also used in office and educational equipment, such as electric typewriters and calculating machines.

In industrial applications, the EVM-1ESX30B12 is widely used in temperature control and speed control, such as temperature controllers and speed controls. It is also used in drive control, such as servo motors and actuators. It is also used in positioners, such as handwheels and knobs.

Working Principle

The EVM-1ESX30B12 is a three-terminal adjustable trimmer potentiometer used to adjust an electrical resistance. It consists of a rotating arm and a slide adjustment, and it is made of plastic, metal, or ceramic. The main principle of the trimmer potentiometer is the electrical resistance corresponding to the rotary arm. The resistance can be changed by rotating the arm or sliding the adjustment.

When the arm is rotated, it changes the resistance value of the trimmer potentiometer. As the arm is rotated, the contact point of the shaft on the resistance element moves. As the contact point moves, the resistance between the terminals changes, thus changing the current passing through the device. When the slide adjustment is used, the resistance corresponding to the displacement of the arm is changed. This changes the current through the device and thus changes the voltage drop across the load.

The EVM-1ESX30B12 is an adjustable trimmer potentiometer that is widely used for fine tuning and trimming. This versatile device is used in many industrial and commercial applications. Its high precision makes it ideal for use in sensitive applications such as communication and control equipment, test and measurement equipment, and office and educational equipment.

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