MZC-306
Index: WMGBMZC306
Loop Impedance Meter
Description
Technical Specification
Files
  • Description
    • Loop impedance measurement with resolution 0,01 Ω
    • Loop impedance measurement without tripping the circuit breaker > 30 mA with resolution 0,01 Ω (100...440 V)
    • Measurements possible in installations 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 (range 100...750 V)
    • Short circuit current indication
    • Voltage measurement up to 750 V and up to 250 V with resolution 0,1 V
    • Measurements using Uni-Schuko adapter or test wires 1,2; 5; 10 and 20 m
    • Memory of 990 records
    • USB connection with PC
    • Powered by disposable or rechargeable (4xLR14)
  • Technical Specification

    Measurement of short circuit loop impedance (ZL-PE, ZL-N, ZL-L)
    Measuring range according to IEC61557: 0,13…1999 Ω for 1,2 m test leads; 0,25…1999 Ω for UNI-SCHUKO adapter

    Range Resolution Accuracy
    0,00...19,99 Ω 0,01 Ω ±(5% m.v. + 3 Digits)
    20,0...199,9 Ω 0,1 Ω ±(4% m.v. + 3 Digits)
    200...1999 Ω 1 Ω ±(4% m.v. + 3 Digits)
    • rated operating voltage UnL-N/ UnL-L: 110/190 V, 115/200 V, 127/220 V, 220/380 V, 230/400 V, 240/415 V, 290/500 V, 400/690 V,
    • operating voltage range: 100…440 V (for ZL-PE and ZL-N) and 100…750 V (for ZL-L)
    • high current measurement (up to 30 A),
    • operating frequency range: 45…65 Hz,
    • control of correctness of PE terminal connection by means of a contact electrode (applicable to ZL-PE),
    • measurement is also possible when L and N circuits are swapped,
    • measurement of resistance and reactance components,
    • short circuit current calculation.

    Measurement of short circuit loop impedance ZL-PE RCD (without RCD tripping)
    Measuring range according to IEC61557: 0,43...1999 Ω for 1,2 m test leads; 0,50...1999 Ω for UNI-SCHUKO adapter

    Range Resolution Accuracy
    0,00...19,99 Ω 0,01 Ω ±(6% m.v. + 10 Digits)
    20,0...199,9 Ω 0,1 Ω ±(6% m.v. + 5 Digits)
    200...1999 Ω 1 Ω ±(6% m.v. + 5 Digits)
    • operating voltage range: 100 ... 440 V,
    • rated operating voltage Un: 110 V, 115 V, 127 V, 220 V, 230 V, 240 V, 390 V, 400 V,
    • control of correctness of PE terminal connection by means of a contact electrode,
    • measurement is also possible when L and N circuits are swapped,
    • measurement of resistance and reactance components,
    • short circuit current calculation.

     

    Voltage measurement

    Range Resolution Accuracy
    0,0...249,9 V 0,1 V ±(2% m.v. + 4 Digits)
    250...750 V 1 V ±(2% m.v. + 2 Digits)
    • frequency range 45…65 Hz,
    • overvoltage alarm.

     

    Electrical safety:

    • type of insulation: double, according to IEC 61010 - 1
    • measurement category: CAT IV 600 V (CAT III 1000 V)
    • protection class acc. to EN 60529: IP54


    Other technical data

    • power supply: alkaline batteries or NiMH rechargeable batteries, LR14 (4 pcs)
    • number of Z measurements (for alkaline batteries): > 5000
    • time to Auto-OFF: 300 seconds
    • data transmission: USB
    • memory of measurement results: 990 cells, 3500 entries
    • display: LCD segment
    • dimensions: 288 x 223 x 75 mm
    • meter weight: ca. 2 kg

    „m.v.” measured value

  • Files

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