MZC-20E

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MZC-20E
Index: WMGBMZC20E
Short-circuit Loop Impedance Meter
Description
Technical Specification
Files
  • Description

    The meter has been designed for fitters and measurement technicians performing services in residential buildings, office blocks, manufacturing plants and any facilities possessing a low-voltage electrical system. The instrument is also recommended for electrical maintenance personnel.

  • Technical Specification

    Measurements of impedance in a short-circuit loop Z within the range S
    of 0.24...200 Ω
    Short-circuit current IK: 1,15 - 958,3 A (Un =230 V)
    AC voltage measurement: 0 - 440 V

    Display range Resolution Accuracy
    0,00...19,99 Ω 0,01 Ω ±(2,5% m.v + 5 digits)
    20,0...199,9 Ω 0,1 Ω ±(2,5% m.v + 3 digits)
    100...200 Ω 1 Ω ±(3% m.v + 3 digits)
    • Rated operating voltage UnL-N / UnL-L : 220/380V, 230/400V, 240/415V
    • Operating voltage range: 180…270V (for ZL-PE i ZL-N ) and 180…440V (for ZL-L )
    • Rated network frequency fn : 50Hz, 60Hz
    • Frequency operating range: 45…65Hz
    • Maximum measurement current: 15,3 A for 230 V (10ms) and 26,7 A for 400 V (10ms)


    Short-circuit resistance RS and reactance XS display range:

    Display range Resolution Accuracy
    0,00...9,99 Ω 0,01 Ω ±(5% m.v. + 5 digits) of ZS value

    Calculated and displayed fori ZS <10 Ω.

     

    Short-circuit current IK display
    Measuring range according to IEC 61557 can be calculated based on ZS
    measuring range and rated voltage values.

    Display range Resolution Accuracy
    1,15…9,99 A 0,01 A Calculated based on the accuracy for the short-circuit loop accuracy
    10,0...99,9 A 0,1 A Calculated based on the accuracy for the short-circuit loop accuracy
    100...999 A 1 A Calculated based on the accuracy for the short-circuit loop accuracy
    1,00...9,99 kA 0,01 kA Calculated based on the accuracy for the short-circuit loop accuracy
    10,0…40,0 kA 0,1 kA Calculated based on the accuracy for the short-circuit loop accuracy


    Short-circuit loop impedance ZS measurement

    Measuring cable ZS measuring range
    1,2m 0,24...200 Ω
    5m 0,26...200 Ω
    10m 0,28...200 Ω
    20m 0,35...200 Ω


    Voltage measurement

    Display range Resolution Accuracy
    0...440 V 1 V ±(2,5% m.v + 3 digits)

    Electrical safety:

    • type of insulation double, according to EN 61010-1 and IEC 61557
    • measurement category III 300 V according EN 61010-1
    • protection class acc. to EN 60529 IP67

    Other technical data:

    • power supply LR6 alkaline batteries or NiMH rechargeable AA batteries (4 pcs.)
    • dimensions 220x98x58 mm
    • instrument weight incl. batteries 509g
    • storage temperature -20...+70 Co - working temperature -10...+50 Co
    • humidity 20...80%
    • reference temperature +23 ± 2 Co
    • reference humidity 40...60%
    • altitude < 2000m
    • Auto-OFF time max. 900 sec.
    • number of Z measurement (for rechargeable batteries) >5000 (2 measurement/minute)
    • display LCD segment
    • quality standard developed, designed and manufactured acc. to ISO 9001
    • the instrument is compliant with the requirements of IEC 61557
    • the instrument complies with PN-EN 61326-1:2006 and EN 61326-2-2:2006
  • Files

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