Description
The FLUKE FLK-1663 UK Installation Tester with RCD Type B is a professional multifunction electrical testing instrument designed for electrical installation inspection, verification, maintenance, and troubleshooting. It provides AC voltage measurement up to 500V, continuity testing across 20Ω, 200Ω, and 2000Ω ranges, and insulation resistance testing with selectable test voltages from 50V to 1000V and measurement up to 1000MΩ. The FLK-1663 UK also supports loop and line impedance testing, prospective fault current measurement up to 10kA, RCD testing for Type A, AC, G, and S devices, earth resistance measurement up to 2000Ω, and phase sequence indication. With CAT III 500V and CAT IV 300V overvoltage ratings, this FLUKE installation tester is suitable for professional electrical testing and maintenance applications.

