PTV111-1420A-B102

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Rotary Potentiometers, Rheostats

The PTV111-1420A-B102 is a bifilament rheostat and rotary potentiometer combination device. This advanced device combines two separate instruments into one, creating a tool that allows for the adjustment of current, voltage, power, frequency, damping and resistance.

The rheostat and rotary potentiometer have distinct differences. A rheostat is a two-terminal, variable resistor used to control current flow. It works by altering the resistance along all or part of the component\'s length, thereby controlling the amount of current flowing through it. On the other hand, a potentiometer is a three-terminal device used to measure electrical potential by determining the relative positions of the three terminals. In addition, its output signal is proportional to the input voltage applied at the third terminal.

The PTV111-1420A-B102 combines these two devices into one. Its dual-function workforce allows for precise gauging of electrical power by regulating current and voltage. This device is designed to operate in three different modes; the first mode is a rheostat used to adjust current, voltage and power by altering its resistance. The second mode is a potentiometer, which measures voltage fluctuations in a variety of applications, such as radio receivers and audio systems. The third and final mode is a combination of the two, which produces an adjustable value over a range of applications.

This device features two 3/4-inch ceramic-wall elements that function independently of each other. The outer-most element is a rotary potentiometer, which can be adjusted to accurately measure voltage, while the inner-most element functioning as a rheostat is used for changing the resistance of the device. The bifilament elements are held in place by two 3/4-inch phenolic gaskets, preventing unwanted movement that could disrupt its operation. A variety of mechanisms are available to complete the assembly <including screws, nuts, and soldered-on clips>.

The PTV111-1420A-B102’s adjustable range extends from 100 to 600 ohms and its frequency response is from 100 Hz to 10 kHz. Its robust construction and low noise profile make it ideal for applications that require precise adjustments. Additionally, its wide operating temperature range <–5°C to 105°C> makes it suitable for indoor and outdoor use.

As a reliable and efficient multi-function instrument, the PTV111-1420A-B102 is used in a wide range of applications, from control systems, voltage monitoring, and audio systems to telecommunications, medical equipment, and power supplies. Its two-in-one operation makes it a versatile and powerful tool for multiple situations.

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