The new variant UMD98 FLEX offers with the input measuring signal 333mV the simple possibility to measure the primary current via flexible converters. Currents of up to 6000A can be recorded and connected directly to the measuring device. Harmonics can be measured up to the 50th harmonic. The UMD98 maps the network quality according to EN 61000-2-2, EN 61000-2-4, EN 61000-2-12. It has a brilliant, large color graphic display. The UMD 98 is conveniently operated using 5 function keys. It is also equipped with two analog inputs for RCM measurement.