Jeff Liebermann wrote:

Compare with a real tribometer:
http://www.lewisresearch.com/our-testing-machines.html
https://nanovea.com/tribometers/

$ wd tribometer
Found 1 items, similar to tribometer.
--dictd_www.dict.org_gcide
--Tribometer

Tribometer \Tri*bom"e*ter\, n. [Gr. tri`bein to rub + -meter:
cf. F. tribom[`e]tre.]
An instrument to ascertain the degree of friction in rubbing
surfaces. --Brande & C.
[1913 Webster]

Yet another truly indispensible item for the
racket bike shop

--
underground experts united
http://user.it.uu.se/~embe8573