How does the Rotary Electric Encoder perform over temperature?！

How does the Rotary Electric Encoder perform over temperature?
The operating temperature range may reach ‐55º C to +125º C (it can be extended to+150º C for short periods). This is, amongst others, because: 1) the "holistic" rotor averages out the effects of minor mechanical deformations that occur at extreme temperatures, 2) the common processing channel for the Sine and Cosine signals. 3) The immunity to internal offset voltages due to AC operation.  

What about repeatability and accuracy?
The output reading will repeat itself to within ± ½ LSB, either for position move‐and‐
return or power‐up. The accuracy increases as the ECR increases. With properly
correction parameters an error as low as 10 arc seconds or below can be achieved.

absolute encoder, incremental encoder, hybrid encoder, non-magnetic encoder, multi-turn encoder, multi-turn combination encoder, draw wire encoder, digital readout, linear scale

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