SM2 - String Pots & Draw-wire Sensors
The Celesco SM range of cable extension transducers (also known as string pots or draw-wire sensors) offer you a cost effective solution for measuring linear displacement in an even smaller package than the SM range. With measuring ranges from 2 inches (50mm) to 25 inches (635mm) the SM units are very popular for external measurement of hydraulic and pneumatic cylinders. The potentiometer on the SM2 variant is covered in a viton boot with a 1m length of electrical cable.
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