Sonel MPI-505

Further product information.

- Measurement of short-circuit loop parameters:

• in L-PE, L-N, L-L circuits as well as in L-PE (RCD) circuits
• without tripping RCD breakers of current 30 mA.
• impedance measurement of short-circuit loops in power networks of nominal voltages: 115/200 V, 220/380 V, 230/400 V, 240/415 V and frequencies in the range of 45...65 Hz.

- Testing of AC and A types residual current circuit breakers:

• testing of regular and selective residual current circuit breakers of nominal differential currents: 10 mA, 30 mA, 100 mA, 300 mA, 500 mA, 1000 mA,
• I_A trip current measurement,
• t_A trip time measurement for 0.5I_n, I_n, 2I_n, 5I_n,
• measurement of earth continuity and touch voltage without tripping RCDs,
• functionality of automatic measurement of residual current circuit breaker parameters.

- Measurement of insulation resistance at voltages: 100 V, 250 V, 500 V and 1000 V.
- Low-voltage measurement of resistance, protective connections and equipotential bonding:

• measurement of continuity of protective connections with current 200 mA,
• automatic calibration of test leads - capability of using any test leads,
• measurement of resistance with low current and acoustic signaling.

- Quick verification of correctness of the PE wire connection with a touch probe.
- Measurement of AC voltage.
- Indication of phase sequence.
- Memory of 990 measurements, data transfer to a PC over the USB interface.

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