Rotary motion logger sensor NUL-226 June 29, 2014UncategorizedEinat Rotary Motion logger sensor NUL-226 This sensor measures angles, rotations, rotation speeds or rotation acceleration. The sensor has a pulley connected to its shaft and the pulley rotation is measured. This sensor has four modes of operation: degrees, rev/s, rad/s, rad/s2. Specifications: Experiment Duration: 1 seconds to 31 days. Logger sensor Guide Note: To zero the measured angle, click on the Reset icon.