Sonel MPI-535

Sonel MPI-535

Multifunction electrical instalations meter


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Solution Type: Multifunction Electrical Installations Meter
Multi-function meter of electrical system parameters

The MPI-535 meter is designed to check home and industrial electrical installations. It allows you to measure the parameters of protection against electric shock, which determine the safety of the installation. The instrument has significant automation of measurements, which makes it possible to test residual current circuit breakers in the Auto mode, as well as in preprogrammed measuring sequences called auto-tests, which can also be expanded with custom sequences. Automatic measurement of insulation resistance for 3-, 4-, and 5-wire conductors is possible using an optional AutoISO-1000C adapter.


Multifunction electrical instalations meter

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  • short circuit loop impedance (also in circuits secured with RCDs),
  • RCD parameters,
  • insulation resistance,
  • earth resistance (4 measurement methods + soil resistivity measurement),
  • continuity of protective and equipotential bondings,
  • light intensity measurement,
  • phase sequence test,
  • motor rotation direction test.

Automatic installation safety test

  • auto mode of residual current devices (RCD) tests,
  • auto measurements – freely configurable measuring sequences,
  • AutoISO-1000C adapter for automatic insulation resistance test of 3-, 4- and 5-conductor cables, without switching.

Maximum functionality in a minimum price

  • The largest touch screen on the market (7”) – remarkable ergonomics and ease of use
  • Removable microSD memory card – easy increase of memory capacity
  • Li-Ion battery – longer operation of the meter
  • Measurement of all parameters related to earthing and protection against electric shock – one device instead of several
  • Quick measurement of the fault loop impedance in networks secured with RCD without triggering (up to several seconds) – time saver
  • Auto measurements – the ability to perform automatic measurements in sequence – simplified measurements
  • Fast path from measurements to report – time saver


  • Ease of reading
  • Built-in help system
  • Increased resistance to environmental conditions

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