The absolute encoders Singleturn Sendix F3653 / F3673 with patented Intelligent Scan Technology? and SSI or BiSS interface are characterized by special robustness and compactness. With dimensions of only 36 x 42 mm, a through hollow shaft up to 8 mm or a blind hollow shaft up to 10 mm is possible. The high-precision optical sensors achieve a resolution of 17 bits.