Designed for measuring ranges up to 20,000 mm, POSIWIRE® WS21 is fitted with non-contact, magnetic, multi-turn-sensing encoder that gives wear-free operation. IP67/69K-rated product, resistant to water, moisture, and condensation, is designed to work reliably even in outdoor applications with fluctuations in temperature. Design also offers resistance against shock (100 g/11 msec) and vibration (20 g, 10 Hz to 2 kHz).