SM1 - 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 SM1 variant has an exposed potentiometer at the back of the unit.
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