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Non-contact potentiometer replacement offers ultimate reliability and no wear.

Potentiometers provide low cost, analog position feedback with simple integration. However, they are subject to degradation of performance, or even failure, due to wear and contamination. A dirty or worn potentiometer can provide noisy, unreliable operation, requiring periodic replacement.

A new generation of non-contact solid state devices provides the same output signal and wiring as a traditional potentiometer but with virtually unlimited life, no wear, and insensitivity to contamination. These "digital pots" provide all the ease of use of traditional "wound pots", but with none of the limitations.

Renishaw's RLS range of magnetic encoder modules can provide a linear output voltage, proportional to the rotation angle, like a potentiometer, but without any physical contact. These devices can be IP68 sealed for outdoor or submerged operation. Renishaw's RLS digital pot magnetic encoders are impervious to environmental contamination with dirt, grease, oils, dust and debris being no problem. These are 100% solid state devices so they are insensitive to shock and vibration. They have no wipers, seals, bearings or other moving parts to wear out or become contaminated, offering 100% non-contact operation for the ultimate reliability.

A small package size, and low cost make the Renishaw's RLS digital pot encoder an ideal choice when looking for a higher reliability alternative to traditional potentiometer feedback.

For more information, or to discuss your application with one of our engineers, please contact Renishaw at 1-847-286-9953 or www.renishaw.com/encoder