loop impedance tester / installation
MZC-330S Sonel S.A.

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loop impedance tester / installation loop impedance tester / installation - MZC-330S


  • Test type:

    loop impedance

  • Tested product:



Measurement of very low short circuit loop impedances (with resolution 0,1 mΩ) with a current of 130 A at 230 V; maximum 300 A at 750 V or with a current 24 A at 230 V, maximum 30 A at 750 V (with resolution 0,01 Ω)

measurements in installations with rated voltages between: 110/190 V, 115/200 V, 127/220 V, 220/380 V, 230/400 V, 240/415 V, 290/500 V and 400/690 V and frequencies 45...65 Hz,
ability to perform measurements in short circuit system: phase-phase, phase-protective, phase-neutral,
differentiation between the phase voltage and the inter-phase voltage while calculating the short circuit current,
ability to change the length of test lead,
four-pole method, test leads do not require calibration (measurement with current 300 A).
Touch voltage and touch shock voltage measurement with resistor 1 kΩ).
AC voltage measurement in range 0...750V.
Memory of 999 measurement results with an ability to transfer the data to a PC
Ability to transmit date thru USB.
Meter meets the requirements of the standard EN 61557.