- LTM Series 50mm travel Piston Encoder Body Clamp Fixing - Potentiometric OutputPart No: DRO-AT-LTM-50£70.20The LTM Series piston (displacement) type encoder with 50mm travel. A high precision potentiometric industrial linear motion transducer producing an absolute position output. Designed for the direct measurement of displacement or length in control regulation and measuring applications. Learn More