Thiết bị đo lắp đặt điện đa chức năng SONEL MPI-520
o Short-circuit loop measurement:
- impedance measurement with 23A current (44A phase-to-phase) - short-circuit resistor R=10Ω,
- measurement range: 95...440V, frequency 45...65Hz,
o Short-circuit loop measurement with resolution 0,01Ω, in distribution network without tiggering RCD (IΔn≥30mA):
- automatic calculation of short-circuit, detection of phase voltage and phase-to-phase voltage,
- additional UNI-Schuko plug for automatic measurement, AGT adapter for 3 phase network measurement.
o Testing of general and selective RCD with the rated differential current of 10,30,100,300,500 and 1000mA. (Type AC, A and B).
o Measurement of insulation resistance:
- with test voltage 250V, 500V, 1000V,
- measurement range up to 3GΩ,
- UNI-Schuko plug for insulation measurement,
- automatic discharging after measurement,
- automatic measurement of all resistences in 3,4,5-wire cables using optional adapter AUTO-ISO,
- acoustic signals in 5sec intervals for insulation resistance characteristic,
- safety measurement - protection against overvoltage.
o Measurement of earthing resistance.
o Bi-directional testing of PE wire continuity using 200mA current.
- Autocalibration of test leads.
o Phase sequence testing.
o Memory is divided into 10 memory banks each of them containing 99 memory cells.
o Battery charge indicator.
o AUTO-OFF function.
o USB interface.