Vintage Kyoritsu Model 4111 Line/Earth Loop Tester electrical testing instrument.Untested
Complete with cables and plugs instructions.
Not recommended for use on modern electrical circuits as it will trip the fuse.
The Kyoritsu Model 4111 is a vintage analog line/earth loop impedance tester designed to measure earth fault loop impedance and line resistance in electrical installations. It features an analog meter scale, a test button, and operational indicators housed in a protective carrying case.