The SR1A-125 from Celesco Transducer Products Inc., Chatsworth, CA, is a cable-extension transducer with a 125 in. measurement range and designed for outdoor use. The measuring cable wraps around the internal spring-loaded spool coupled to a precision 500 ohm potentiometer. Movement of the spool produces a voltage directly proportional to the position of the measuring cable. Features include an M12 connector, versatile mounting bracket, and a constant tension, fully retractable SS measuring cable that attaches to the object under motion.
Cable Extension Transducer from Celesco
Celesco Transducer Products Inc.