A potentiometer is a three-terminal resistor with a sliding or rotating contact that forms an adjustable voltage divider. If only two terminals are used, one end and the wiper, it acts as a variable resistor or rheostat.
Features:
- 25 Turns
- Very High Accuracy
- Sealed Against Dust
- Excellent Linearity Over Entire Range
- RoHS Compliant
Watch this video it will give you a clear idea about this product.