When it comes to construction machinery, whether agricultural technology or forklift trucks, design engineers are often challenged with space limitations in these applications to fit existing rotary encoders and measurement systems.  Measurement systems are often elaborately encapsulated to withstand weather conditions, jolts, vibrations, dirt or moisture.

Finding a system that satisfies all technical requirements, is resilient, and which also offers just the right construction form, has in the past, proven to be an almost impossible balancing act, because the size of the measurement systems often exceeds the available installation space.

Siko’s absolute miniature single-turn AH25S rotary encoder is cost-effective and flexible, provides a unique balance between high resolution, excellent functionality, a sturdy housing design and a minimal construction form.

It can be used in a number of ways, choosing from several analogue interfaces such as 4…20 mA, 0…10V or 0.5…4.5V, and is especially suited for agricultural equipment. The rotary encoder has the advantage of the ‘wear-free’ magnetic measurement principle, thus resolving the entire 360° into 4096 measurement steps.

This innovative technology, packaged in a sturdy die-cast case, of only 25mm diameter, can be used easily in applications with limited installation space.

Its special design ensures Protection Class IP65 over the course of a long product lifetime, making the AH25S rotary encoder particularly suitable for positioning tasks in mechanically demanding environments.

Siko’s AH25S miniature absolute analog encoder features wear-free sensorics and has an easy-mount 8mm hollow shaft.  It operates within a range of -40 to 85°C, and has a high protection category of IP65.  It features voltage (0.5 … 4.5 V, 0 … 10 V), and current (0 … 20 mA, 4 … 20 mA) outputs and a 12 bit (4096) resolution over 360°.


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