POSITAL has introduced a series of measuring wheel accessories for its IXARC family of rotary encoders. When one of these wheels is mounted on the shaft of an encoder, the result is an accurate and reliable instrument for measuring linear motion and position. The new measuring wheels are available in circumferences of 200 mm and 500 mm. When fitted to multi-turn IXARC absolute encoders, this translates into a linear measurement range of up to 500 kilometers. Three rim treatments are available; knurled aluminum, smooth polyurethane, and textured (knobby) polyurethane to ensure good traction between the wheel and a variety of surfaces. IXARC programmable encoders can be calibrated at the job site using POSITAL's UBIFAST programming tool.

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