Optical Encoder Scale Reader Head
Compact read head assembly for glass or steel scale linear encoders in measuring instruments. Classified HTS 9031.90.59.00 as accessory for optical position checking systems. Provides 0.1 micron resolution position feedback.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If for specific position/distance measuring instruments
Encoder parts for named 9031.41 instruments classified there.
If machine tool position encoders
Encoders principally for machine tools excluded by note 1(g).
If discs, cards with semiconductor media
If considered data storage rather than position measurement.
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Import Tips & Compliance
• Resolution specs and scale grating pitch compatibility required
• Distinguish from machine tool encoders (8466)
• Generic encoders may classify under 9031.41
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