If you cannot find the digital file on the support site, you can contact the manufacturer directly: : 40 Boroline Road, Allendale, NJ 07401 : 201-760-9898 sales@protektest.com Mouser Electronics or specific wiring diagrams for this model? B801 B803 B810 - Mouser Electronics

The Protek B801 is a legacy device. The original "Protek" brand infrastructure has largely been absorbed by . Consequently, the manual is rarely found on the primary GW Instek "current products" support page. It is primarily available through archived repositories.