Loop Impedance Meter | MZC-306

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Loop Impedance Meter | MZC-306

R56,746.00 ex vat

Safety Rating Cat IV at 600V labelSafety Rating Cat III at 1000V label

Loop Impedance Meter – Overview

Performing loop impedance tests without tripping RCD saves time and money by not having to take the RCD out of the circuit when testing and is a safer procedure.  It is important to know that if a fault occurs in an electrical installation, sufficient current will flow to operate the fuse or circuit breaker protecting the faulty circuit within a predetermined time. This Loop impedance meter has a Cat IV rating up to max 750V and makes light work of short circuit loop measurements.

Loop Impedance Meter – Features

  • 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)

Available on back-order

SKU: WMGBMZC306 Category: Tags: , , ,
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Description

Loop Impedance Meter | MZC-306

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

Calibration certificates are issued during the production process. New calibration certificates are available upon request at an additional cost.

Loop Impedance Meter | MZC-306

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