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One of three High Precision Goniometers does have an encoder wheel mounted.

Renishaw Encoder System

Wheel Diameter 150mm, 20 micron period

TONiC T2001-15A Encoder head

TI4000A04A Interpolation Unit, Interpolationfactor 4000 - 5nm Resolution

Stepper Motor Conversion with 1/20 microstepping: 2.880.000 steps for 1 degree

Encoder conversion is 260.000.


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