Short Circuit Loop Impedance Meter AMZC-304

Short Circuit Loop Impedance Meter AMZC-304

Features

  • 220/380V, 230/400V, 240/415V
  • Low voltage resistance measurement
  • Voltage and frequency measurement
  • Battery powered

The most important features of the AMZC-304 are

  • Measurement of short circuit impedances (EN 61557)
  • Measurement on nominal voltage networks: 220/380V, 230/400V, 240/415V, with frequency 45...65Hz
  • Short circuit impedance measurement with 15mA current, without RCD trip.
  • Detection of L and N change in the plug and automatic change of the meter.
  • Measurement of low voltage resistances of protective circuits and contacts
  • Resistance measurement with current of ±200mA
  • Cable calibration - any cable length can be used
  • Quick check of correct connection of the PE cable using a contact electrode.
  • Measurement of main voltages and frequencies
  • Powered by LR6 batteries or NiMH accumulators (optional)
  • The device complies with IEC 61557.

    RCD measurement ZL-PE short circuit impedance

    Short circuit impedance ZS

    Range

    Resolution

    Accuracy

    0,00...19,99Ω

    0,01Ω

    ±(6% v.m. + 10 digits)

    20,0...199,9Ω

    0,1Ω

    ±(6% v.m. + 5 digits)

    200...1999Ω

    No RCD reaction for I∆n ≥30mA,

    Nominal working voltage Un: 220V, 230V, 240V

    Nominal working voltage: 180...270V

    Nominal mains frequency fn: 50Hz, 60Hz

    Frequency range: 45...65Hz

    Test the correct connection of the PE terminal with the help of the contact electrode

    Calculation of the short circuit current for the nominal voltage

Low voltage resistance measurement

Measurement of continuity of equipotential connections and conductor protections with ±200mA current

Range

Resolution

Accuracy

0,00...19,99Ω

0,01Ω

±(2% v.m. + 3 digits)

20,0...199,9Ω

0,1Ω

200...400Ω

Terminal opening voltage: 4...9V DC

Output current R<2Ω: min 200mA ISC: 200...250mA)

Resistance compensation of test leads

Measurement of polarization currents

"v.m." - measured value

Short circuit impedance measurement ZL-PE ,ZL-N ,Z L-L , Resistance and reactance

Short circuit impedance ZS

Range

Resolution

Accuracy

0,00...19,99Ω

0,01Ω

±(5% v.m. + 3 digits)

20,0...199,9Ω

0,1Ω

200...1999Ω

Nominal working voltage UnL-N / UnL-L : 220/380V, 230/400V, 240/415V

Nominal working voltage 180...270V (for ZL-PE, ZL-N ) and 180...460V (ZL-L )

Nominal mains frequency fn : 50Hz, 60Hz

Frequency range: 45...65Hz

Maximum current measurement 7,6A for 230V (3x10ms), 13,3A for 400V (3x 10ms)

Test the correct connection of the PE terminal with the help of the contact electrode (ZL-PE , ZL-PE(RCD))

Calculation of the short circuit current for the nominal voltage

Measurement of RS resistance and XS short circuit reactance

Range

Resolution

Accuracy

0,00...19,99Ω

0,01Ω

±(5% + 5 digits) of ZS value

20,0...199,9Ω

0,1Ω

Calculated and displayed for ZS <200Ω

Low current resistance measurement

Range

Resolution

Accuracy

0,00...199,9Ω

0,1Ω

±(3% v.m. + 3 digits)

200...2000Ω

Terminal opening voltage: 4...9V DC

ISC output current < 8mA

Acoustic signal for resistances < 30Ω ± 50%

Resistance compensation of test leads

AC voltage measurement

Range

Resolution

Accuracy

0...299,9V

0,1V

±(2% v.m.. + 6 digits)

300...500V

1V

±(2% v.m. + 2 digits)

Frequency range: 45...65Hz

Test results update: twice per second

Frequency measurement

Range

Resolution

Accuracy

45.0...65.0Hz

0.1Hz

±(0.1% v.m. + 1 digit)

Voltage range: 50... 500V.

AMZC-304 detailed features

Electrical safety:

Type of insulation

Double, according to EN 61010, 61557:2007-01

Measurement category

III 600V (CAT IV 300V)

Protection class, according to EN 60529

IP67

Other technical data:

Food

Battery pack (AA, 4 pieces)

Battery development (short circuit)

min.5000 measurements

Nominal conditions of use:

Operating temperature

0...+50°C

Moisture

20-80%

Voltage range

220/380V, 230/400V, 240/415V

Standard Accessories

  • UNI-SCHUKO Adapter (WS-05)
  • Test cable with banana plug; 1.2m; red
  • Test cable with banana plug; 1.2m; yellow
  • Test cable with banana plug; 1.2m; blue
  • Probe with banana plug; red
  • Probe with banana plug; blue
  • Alligator" clip K02; yellow
  • M6 Case
  • Recptor - interface for radio transmission OR-1 (USB)
  • Meter Harness
  • Batteries
  • Operation manual
  • Calibration certificate

Optional accessories

  • Probe with START button with UNI-SCHUKO (WS-01)
  • Software for the creation of documentation
  • AGT-16P three-phase plug adapter
  • AGT-32P three-phase plug adapter
  • AGT-63P three-phase plug adapter
  • Test cable with banana plug, 5m, red
  • Test cable with banana plug, 10m, red
  • Test cable with banana plug, 20m, red
Download the catalogue: Short Circuit Loop Impedance Meter AMZC-304.

Download the catalogue of Short Circuit Loop Impedance Meter AMZC-304.

If you want to acquire Ohmímeters with quality, you can also consult prices of Ohmímeters.

If you have any doubts or need advice from our engineers, don't hesitate to contact us and we will be pleased to help you. You can also call us at (+34) 982 20 99 20.