Home metrel mi 2087 instaltest 61557 digital measuring instrument
METREL MI 2087 Instaltest 61557 Digital Measuring InstrumentMultifunction, digital measuring instrument for low voltage installation safety testing in accordance with IEC / EN 61557.MEASURING FUNCTIONS- Complete range of test functions in accordance with IEC / EN 61557:- DC insulation resistance measurement,- PE conductor continuity,- Loop and Line resistance,- RCD analysing, with automatic test, test of dI, dt, Uc and earth Rs loop test- Phase sequence in 3-phase systemsOTHER FEATURES• illumination measurement• varistor test• frequency• contact voltage• under wall installation tracing• fuse locatingInternal memory with a capability to store up 1000 test results that can later be transferred to a personal computer.