Wavetek SF10 short circuit tester

Short Finder Brush SF10

Patented circuitry with rapid testing for shorts
Outperforms point-to-point continuity testing
Brush probe quickly pinpoints area of shorts in PCBs, multi-conductor cables, mass termination systems, backplanes, connectors, IC sockets and more
Clear audible tone
Ergonomic, portable design
Low test voltage protects sensitive circuitry and eliminates false continuity indications