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Sensors world A draw wire potentiometer, also known as a cable extension potentiometer or string potentiometer, is a type of sensor used to measure linear displacement or position. It combines the principles of a draw wire sensor with a potentiometer to convert mechanical movement into an electrical signal. Here's an overview of how a draw wire potentiometer works:
Resistance Variation: The movement of the wiper along the resistive track of the potentiometer changes the resistance value. This change in resistance is proportional to the linear displacement of the object.
Voltage Output: The varying resistance is used to create an electrical signal. Typically, a constant voltage is applied across the resistive element of the potentiometer. The position-dependent resistance value causes a voltage drop across the wiper terminals.
Output Signal: The voltage output is then processed, amplified if needed, and converted into a usable signal. The resulting output is often an analog voltage signal that corresponds to the linear position of the object being measured.
Accuracy: The accuracy of the measurement depends on the resolution of the potentiometer and the overall mechanical design.
Durability: Draw wire potentiometers are durable and can handle various environmental conditions, making them suitable for industrial applications..
Applications: These sensors are commonly used in industrial automation, robotics, automotive testing, quality control, and more, where accurate and reliable linear position measurement is required.
