The COA40-01 is a single turn absolute optical encoder with a hollow shaft. It offers a resolution of up to 25 bits, enabling accurate and reliable measurement of motion. With an accuracy of ± 5 arc seconds and an operating speed of 120 rpm, this encoder is ideal for applications requiring high accuracy. It can withstand axial loads of up to 0.5 mm and radial loads of up to 0.15 mm, ensuring robustness in a variety of operating conditions.

With an extended temperature range of -45°C to +105°C and IP40 protection, the COA40-01 is ideally suited for harsh environments. Its hollow shaft facilitates integration with other mechanical components. The encoder is widely used in industrial automation and machine tools, where accurate and reliable motion measurement is essential to ensure optimum performance.

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up to 25 bits
± 5’’
Power supply
+ 15V
Serial output
Operating speed
120 rpm
Load on shaft (axial and radial)
0,5 mm axial and 0,15 mm radial
Max. temperature range
-45°C to +105°C
IP maxi


Optical encoders with Codechamp Optical Encoder technology offer many advantages.

Using a combination of advanced optical and digital technology, they provide accurate conversion of rotary motion into digital signals.

Codechamp optical encoders incorporate state-of-the-art electronics directly into the housing, simplifying installation and integration into existing systems. Thanks to their non-magnetic construction, our optical encoders are insensitive to magnetic interference, ensuring accurate and reliable measurement in critical environments. Designed to fit different mechanical configurations, they also offer flexibility to meet the specific needs of each application.

With a resolution of up to 26 bits in single-turn operation, our optical encoders offer exceptional angular accuracy, enabling fine detection of rotary motion. Thanks to their advanced design and precise measurement technology, our optical encoders offer excellent angular accuracy.

Our optical encoders are designed to operate reliably in extreme environments, withstanding high or low temperatures, shock, vibration and other harsh conditions.

Known for their exceptional reliability, our optical encoders offer consistent performance even under demanding operating conditions.

Thanks to their compact design, they help to reduce the overall weight of systems, which is crucial for applications requiring weight optimisation.

On request, we offer full redundancy for our optical encoders, ensuring increased safety and continuity of operation in critical applications.

When you choose our high-quality optical encoders, you benefit from advanced technology that offers exceptional accuracy, reliability and adaptability to meet the requirements of your application, whether in the aerospace, defence, industrial or automotive sectors.