Multifunction meter for electrical installations MPI-520

Short circuit loop measurement:
impedance measurement with 23 A (44 A phase-to-phase), short-circuit resistance Rzw = 10Ω,
measuring range: 95 … 440V, frequency 45 … 65 Hz,
Short-circuit loop measurement with 0.01Ω resolution, without actuation of the differential protections (IΔn≥30mA),
automatic short-circuit calculation, phase-neutral and phase-phase voltage detection,
UNI-Schuko plug connection for automatic measurement, AGT adapter for measurements in three-phase networks.
Test of differential, general and selective protections for differential current of 10, 30, 100, 300, 500 and 1000 mA.
Insulation resistance measurement:
with application of the test voltages: 250 V, 500 V, 1000 V,
midrange up to 3GΩ,
UNI-Schuko plug connection for insulation measurement,
automatic discharge after measurement,
automatic measurement of all resistances in 3, 4 or 5 cables
threads using the optional AUTO-ISO adapter,
acoustic signals at 5 s intervals to obtain the insulation characteristic curve,
safety protection against overvoltages.
Measurement of earth resistance.
Bidirectional check of continuity in PE cables using 200 mA.
Self-calibration of test cables.
Phase sequence check.
Battery charge indication.
Auto power off function.
USB interface.