You can't set up a "cosmochronotrope clock" because it doesn't exist. There is no scientific instrument or device with that name or function.

It's possible you're thinking of a fictional device from a science fiction book or movie, or perhaps a misheard term.

Could you please clarify what you're looking for? For example:

* Are you interested in learning about real-world timekeeping devices?

* Can you provide more context about where you encountered the term "cosmochronotrope clock"?

* Are you looking for a device that measures time in a specific way?

Once you provide more information, I can better understand your request and help you find what you're looking for.