The MI3100S EurotestEASI is a fast, accurate and easy to use multifunctional measuring instrument which performs a basic set of installation safety tests according to IEC/EN 61557. In addition, it enables on-line voltage monitoring, phase sequence testing and earth resistance measurement. The MI3100S EurotestEASI incorporates full schematic help screens for each test, describing exactly how to connect the instrument into the installation and how to perform a test, and the large, bright LCD screen with backlight is perfect for working in dark conditions. The instrument also contains a list of characteristics of fuses and RCDs for PASS/FAIL evaluation of test results. The MI3100S EurotestEASI performs continuity, insulation, RCD, loop, line, voltage, frequency and phase sequence tests.