Encoder models from the Industrial Encoder Div. of BEI's Sensors & Systems Co., Goleta, Calif., can operate continuously in environments up to 105°C. The high-temperature option is available on the H25, HS35, E25, and L25, which feature diameters of 2.5 in. and above. The encoders are suitable for demanding back-of-the-motor applications, industrial automation of systems with high process temperatures, and other critical-control and measurement areas with high-temperature requirements.