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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.

Renishaw Encoder System

Encoder Wheel with 20µm scaleWheel Diameter 150mm

Circumfence: 471,238891mm

TONiC T2001-15A Encoder head

TI4000A04A Interpolation UnitInterpolationfactor 4000 - 5nm ResolutionAngular resolution 66nrad / 0,26µ°








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