Multifunction meter for electrical installations MPI-525

Short circuit loop measurement:
impedance measurement with 23 A (44 A phase-to-phase), short-circuit resistance Rzw = 10 Ω,
measuring range: 95 … 440 V, frequency 45 … 65 Hz,
Loop measurement in short circuit with resolution 0.01 Ω, without tripping of the differential protections (IΔn≥30 mA),
automatic short-circuit calculation, detection of phase voltage and interfacial tension,
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 (type AC, A and B).
Insulation resistance measurement:
with application of the test voltages: 250 V, 500 V, 1000 V, 2500 V,
midrange up to 10 GΩ,
automatic discharge after measurement,
automatic measurement of all resistances in 3-, 4- or 5-wire cables using the optional AutoISO adapter,
acoustic signals at 5 s intervals to obtain the insulation characteristic curve,
safety protection against overvoltages.
Measurement of grounding resistance.
Bidirectional check of continuity in PE cables using 200 mA.
Self-calibration of test cables.
Phase sequence check.
Memory is divided into 10 memory banks. Each bank contains 99 memory cells.
Battery charge indication.
Auto power off function.
USB interface.