Elma BM878 is a genuine TRMS multimeter with built in insulation tester. The insulation tester offers 5 different test voltages and furthermore the instruments offers 200mA continuity test to measure protective bonding. Elma BM878 is provided with large backlit display and fast analogue bargraph. The instrument measures in true RMS, voltage, current, frequency, resistance, capacity, diode, continuity and temperature. Elma BM878 got a lot of additional features like max/min/hold, auto power off, auto/manual range and VFD filter to measure true values after frequency drives. The instrument fulfills EN61010-1 CAT IV 600V and is delivered ready to use including remote for insulation test, test leads, batteries, type-K temperature probe and manual.