PTD901-2020K-B104

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Rotary Potentiometers, Rheostats

The PTD901-2020K-B104 is a precision sensing device used for measuring electrical resistance. It is an important component in the field of electronic instrumentation and automation. The device is classified as a rotary potentiometer, a variable resistor (rheostat) that is designed to measure resistance over a fixed range of values. It is commonly used in applications such as industrial process control, automation and motor drives.

The PTD901-2020K-B104 is a single-turn, 10-turn device of tubular design with a constant power rating of 4.75 watts. Its construction includes a rotating element, wiper contacts, and an output terminal. The wiper is typically operated by a mechanical knob, for continuously variable resistance across the range of the device. The PTD901-2020K-B104 can also be used to measure resistance at the output terminal.

The PTD901-2020K-B104 is suitable for use in a variety of electronic and control systems. Its most common use is for precise resistance measurement and adjustment in instrumentation systems. Its exceptional stability and uniformity over a wide range of temperatures and voltage are other major advantages of this device. It is also highly-effective in motor control and speed regulation applications, where sensitivity and accuracy are important.

The PTD901-2020K-B104 works by rotating a wiper contact between two fixed end points. The resistance between the two contacts is continuously adjustable over a predetermined range. As the potentiometer is rotated, the resistance between the wiper contact and the fixed contact is varied. A change in resistance is measured by reading the voltage between the output terminal and the wiper contact. As the resistance is increased, the output voltage will increase. Conversely, the output voltage will decrease as the resistance is decreased.

The PTD901-2020K-B104 is heavily shielded to reduce the influence of some environmental effects. It is sealed in a rugged case to protect the components from dust and other contaminants. Also, dust and other contaminants have no influence on it’s performance and accuracy. Finally, its construction also includes the Polytetrafluoroethylene (PTFE) sealing rings, which provide reliable and leak-free operation, as well as improved insulation and resistance from track wear.

In short, the PTD901-2020K-B104 is a high-precision measuring device that is best suited for use in settings where accuracy and stability are important. It is mainly used to measure electrical resistance over a predefined range of values, with a high degree of accuracy and stability. Additionally, its construction features make it dust-proof and highly resistant to environmental effects. Therefore, it is an ideal choice for applications that demand precision and usability.

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