The phrase "to record the measurements" means to write down or document the various sizes or quantities that have been observed or taken during a scientific experiment or observation. Full definition
This is a document for recording the measurements of various regular shapes. (tes.com)
Also, it unfortunately only stores the last recorded measurement. (sweetmomsblog.com)
The user has extensive control over the paths over which the software records measurements, and can even «train» the software to determine where the ring boundaries exist. (web.utk.edu)