The MPI-520Start digital multifunction meter is designed for both installers and advanced measuring technicians. Allows you to perform all measurements in the electrical installation provided for in the PN-EN 61557 standard:

short-circuit loop impedance,
RCD parameters,
insulation resistance,< /li>
earthing resistance,
continuity of protective and equipotential bonding connections.

The use of modern solutions means that we have additional functions and possibilities to simplify the performance of measurements, not available in other meters.

The IP54 housing is resistant to mechanical damage, and the cover, which can be set in several possible positions, allows for convenient carrying and use of the device in various positions.

Fault loop impedance measurements:

impedance measurement with a current of 23 A (44 A at phase-to-phase voltage) - short-circuit resistor Rzw = 10 Ω,
measuring voltage range: 95...440 V, frequency 45...65 Hz,
measurement of short-circuit loop impedance with a resolution of 0.01 Ω, in installations protected by RCDs with IΔn ≥ 30 mA without tripping,
automatic calculation of short-circuit current; distinguishing phase-to-phase voltage and phase-to-phase voltage,
measurements using UNI-Schuko plug with a button that triggers the measurement (also with L and N wires swapped) or 1.2 m, 5 m, 10 m, 20 m long wires , with the possible use of 3-phase socket adapters. (AGT).

Testing of AC, A and B RCDs:

measurement of ordinary, short-time delay and selective circuit breakers with rated differential currents of 10, 30, 100, 300, 500 and 1000 mA,
the function of automatic measurement of the full set of circuit breaker parameters (after pressing the "START" button once, the meter performs the entire set cycle of measurements, including the possibility of measuring the loop impedance L-PE short-circuit with 15 mA current),
shape of the forced leakage current waveform selected by the user: sinusoidal (starting from rising or falling edge), unidirectional pulsating (positive or negative), unidirectional pulsating with DC background ( positive and negative), constant (positive and negative),
measurement of tripping current IA with increasing current,
measurement of operating time tA at currents ½IΔn, 1IΔn, 2IΔn and 5IΔn,
measurement of the touch voltage UB and the resistance of the protective conductor RE without triggering the switch,
detecting the inversion of L and N conductors in the socket; does not affect the performance of measurements,
the ability to measure the tripping current IA and the real tripping time tAI with one RCD trip,
measurements for the voltage 95...270 V.

Insulation resistance measurements:

measurement voltages: 50 V, 100 V, 250 V, 500 V and 1000 V,
the ability to measure in the socket using the UNI-Schuko adapter,
protection of the meter against the presence of voltage on the object and the appearance of voltage during the measurement,< /li>
automatic discharge of the capacitance of the measured object after the measurement is completed,
acoustic determination of five-second time intervals to facilitate the capture of time characteristics during insulation resistance measurement.

Low-voltage measurement of the resistance of protective and equipotential bonding connections:

measurement of protective conductor continuity with current ≥200 mA in two directions,
low current measurement with acoustic signaling,
auto-calibration of test leads - possibility to use test leads of any length.

Earth resistance measurements: