91R1A-R22-A22L

Temperature Coefficient:	±150ppm/°C
Mounting Type:	Panel Mount
Bushing Thread:	M10 x 0.75
Actuator Diameter:	0.236" (6.00mm)
Actuator Length:	0.866" (22.00mm)
Actuator Type:	Slotted
Termination Style:	PC Pins
Resistive Material:	Cermet
Adjustment Type:	Side Adjustment
Rotation:	300°
Number of Turns:	1
Series:	91
Power (Watts):	2W
Built in Switch:	None
Number of Gangs:	1
Tolerance:	±10%
Resistance (Ohms):	250k
Taper:	Linear
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Rotary Potentiometers, Rheostats

A rotary potentiometer is a device used to measure the angular rotation of a shaft by a voltage divider network. It is also known as a variable resistor and is usually used to sense the movement of an object or device. R22-A22L is one type of rotary potentiometer.The R22-A22L rotary potentiometer is mostly used in a variety of applications including electrical motors, process controls, and navigation systems. It provides a uniform voltage output, within a certain range, without any direct electrical connection. It has a wide linear travel range and is resistant to wear and tear.

Application Field

The main applications for the R22-A22L rotary potentiometer are as follows:1. Motors: It can be used in the control of DC motors, motors designated for usage in small tool and equipment, nanomotors,servomotors and stepper motors.2. Process Controls: It can be used for sensing or controlling temperature, pressure and flow rate.3. Navigation: It can be used for navigation systems including marine navigation and air navigation.4. Robotics: It can be used for controlling robots and other autonomous systems.5. Aerospace: It can be installed to identify the angular switch position of the control surface in the aircraft.

Working Principle

R22-A22L rotary potentiometers work on the principle that as the shaft of the potentiometer is rotated, it passes through a series of resistors connected in a voltage divider configuration. Depending on the position of the shaft, the output voltage can vary.The R22-A22L rotary potentiometer consists of a circular shaft, a set of fixed resistors (usually mounted on a circular track) and a resistive pick up. As the shaft is rotated, the pick up is going to sweep through the resistors, showing different resistance values.The tracked resistors in the rotary potentiometer are connected so that they act as a voltage divider. As the shaft is rotated, the pick up sweeps through different resistances, allowing different voltage values across the primary resistor, or track resistance, to the pick up output. This creates the output linear voltage variation in a rotary potentiometer.The output voltage of a rotary potentiometer is usually proportional to the angular displacement of the shaft. Therefore, it can be used to measure the angular rotation of the shaft and also the displacement or position of an object.

Conclusion

R22-A22L rotary potentiometers are widely used in many different applications for sensing, controlling and meauring position. The output voltage of the R22-A22L rotary potentiometer is proportional to the angular displacement of the shaft, enabling it to accurately measure angular rotation and object displacement.

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