Manual Link [portable]: Protek B801

Ensure the input voltage is set correctly (100/120/220/240V) to avoid damage.

The Protek B801 is a reliable workhorse, but its manual is the key to longevity. Bookmark this article, save the PDF, and share the genuine with fellow technicians. If you have a scanned copy of a rare revision (e.g., B801A or B801B), consider uploading it to Archive.org to preserve it for the community. protek b801 manual link

A large dial paired with range selectors (multiplying factors) determines the coarse frequency output. Ensure the input voltage is set correctly (100/120/220/240V)