---
title: Encoders and Tachometers | Retrofit Encoders
description: Retrofit Encoders | encoder and tachometer selection and troubleshooting guide
---

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## [How to Retrofit Encoders on Old Motors](https://blog.nidec-avtronencoders.com/encoders/how-to-retrofit-encoders-on-old-motors)

 Posted by [Brian Winter | View all of Brian's blogs](https://blog.nidec-avtronencoders.com/encoders/author/brian-winter-view-all-of-brians-blogs) on May 24, 2021, 3:35:24 PM

[![](https://blog.nidec-avtronencoders.com/hubfs/Blog_Pictures/Tachogenerator_HS.png)](https://blog.nidec-avtronencoders.com/encoders/how-to-retrofit-encoders-on-old-motors)

If you need to retrofit encoders onto old motors that presently have analog tachogenerators mounted on them, what should you use?

[Read More](https://blog.nidec-avtronencoders.com/encoders/how-to-retrofit-encoders-on-old-motors)

 Topics: [Retrofit Encoders](https://blog.nidec-avtronencoders.com/encoders/topic/retrofit-encoders), [tachogenerators](https://blog.nidec-avtronencoders.com/encoders/topic/tachogenerators), [Encoders](https://blog.nidec-avtronencoders.com/encoders/topic/encoders)

- [mailto:?body=https://blog.nidec-avtronencoders.com/encoders/how-to-retrofit-encoders-on-old-motors](mailto:?body=https://blog.nidec-avtronencoders.com/encoders/how-to-retrofit-encoders-on-old-motors)
- <https://blog.nidec-avtronencoders.com/encoders/how-to-retrofit-encoders-on-old-motors#comments-listing>

[1](https://blog.nidec-avtronencoders.com/encoders/topic/retrofit-encoders/page/1)

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