The SMAT from
Festo Corp., Hauppauge, NY, continuously monitors cylinder piston position. The sensor has a 50 mm range, an analog output, a 0–10 V or 0–20 mA output, and mounts in the T-slot of a size 8 cylinder. Applications include force fitting, clamping, orientation/position detection, good/bad work piece separation, and work piece changing.