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