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You are here: Home / Encoders / Non-magnetic Encoders for High Magnetic Field Environments from NUMERIK JENA

Non-magnetic Encoders for High Magnetic Field Environments from NUMERIK JENA

February 2, 2012 By Miles Budimir Leave a Comment

Jena, Germany – NUMERIK JENA, sister company of HEIDENHAIN, now offers a line of linear and rotary encoders that are non-magnetic and that have been tested in environments up to 6 Tesla and have no influence on the machine environment. The encoders also can withstand this high magnetic environment without loss of accuracy or resolution and are mechanically stable. Non-magnetic encoders are commonly found in MRI machines, as well as in the semiconductor and microscopy fields. 

NUMERIK JENA’s non-magnetic LIK linear series has a 20 micron graduation on glass and digital versions can output resolutions to 50 nanometers, where the digitizing electronics reside in the connector. With loose mounting tolerances of the scanning unit in relation to the 20 micron scale, and three configurations of mounting the scanning unit, the LIK series provides excellent motion feedback for high magnetic environments.

The RIK rotary series is a kit-style bearingless rotary encoder including a disk with various diameters and line counts, and non-magnetic scanning units to match those diameters.  The various sized aluminum disks containing a 20 micron graduation are epoxied to the customer’s hub design. NUMERIK JENA can also adhere the disks to custom hub designs at the factory with exact specifications and lowest runout errors.

Both encoder systems use the Epiflex Adjustment Tool to enhance the signal margin during installation on the machine. Long cable extensions are also possible for high magnetic field environments.

For more information, visit www.numerikjena.de.

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Filed Under: Encoders, Linear Encoders

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