METREL Euro Z 800 V Instruction Manual
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METREL Euro Z 800 V Instruction Manual

METREL Euro Z 800 V Instruction Manual

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Euro Z 800 V
MI 3144
Instruction manual
Version 1.5.8, Code No. 20 752 881

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Summary of Contents for METREL Euro Z 800 V

  • Page 1 Euro Z 800 V MI 3144 Instruction manual Version 1.5.8, Code No. 20 752 881...
  • Page 2 Mark on your equipment certifies that it meets requirements of all subjected EU regulations. Hereby, Metrel d.d. declares that the MI 3144 is in compliance with Directive 2014/53/EU (RED) and all other subjected EU directive. The full text of the EU declaration of conformity is available at the following internet address http://www.metrel.si/DoC...

  • Page 3: Table Of Contents

    Table of contents MI 3144 Euro Z 800 V Table of contents General Description .................... 5 Features ......................5 Safety and operational considerations ............. 6 Warnings and notes ..................6 Battery and charging of Li-ion battery pack ........... 8 2.2.1 Battery indication ...................
  • Page 4 MI 3144 Euro Z 800 V Table of contents Upgrading the instrument ................32 Technical specifications ................... 33 Impedance [Z] ..................... 33 9.1.1 Z line mΩ, Z loop mΩ ................33 9.1.2 High Current ..................35 9.1.3 Averaging options ................35 DC Source &...

  • Page 5: General Description

    1 General Description 1.1 Features Euro Z 800 V (MI 3144) is a multi-function, portable battery (Li-ion) or mains powered test instrument with excellent IP protection: IP65 (case closed), IP54 (case opened), intended for: high current line and loop impedance, DC source and line resistance testing, ELR testing and current measurement.

  • Page 6: Safety And Operational Considerations

    In order to maintain the highest level of operator safety while carrying out various tests and measurements Metrel recommends keeping your Euro Z 800 V instruments in good condition and undamaged. When using the instrument, consider the following general warnings: symbol on the test equipment means »Read the Instruction manual with...
  • Page 7 MI 3144 Euro Z 800 V Safety and operational considerations Markings on the instrument: Read the Instruction manual with special care to safety operation«. The symbol requires an action! Front panel can overheat when performing the rapid sequence of high precision line-to-line impedance measurements.

  • Page 8: Battery And Charging Of Li-Ion Battery Pack

    Safety and operational considerations MI 3144 Euro Z 800 V 2.2 Battery and charging of Li-ion battery pack The instrument is designed to be powered by rechargeable Li-ion battery pack or with mains supply. 2.2.1 Battery indication The battery indication indicates the charge condition of battery. Press LED bar graph key for test.

  • Page 9: Precharge

    Safety and operational considerations MI 3144 Euro Z 800 V Typical charging profile which is also used in this instrument is shown in Figure 2.2. Current Regulation Voltage Regulation LOWV CH/8 Precharge Fastcharge Safety Time Time Figure 2.2: Typical charging profile where: ........

  • Page 10: Li - Ion Battery Pack Guidelines

    Safety and operational considerations MI 3144 Euro Z 800 V where: ........Cold temperature threshold (typ. -15°C) ........Cool temperature threshold (typ. 0°C) COOL ......... Warm temperature threshold (typ. +60°C) WARM ........Hot temperature threshold (typ. +75°C) The charger continuously monitors battery temperature. To initiate a charge cycle, the battery...

  • Page 11: Standards Applied

    MI 3144 Euro Z 800 V Safety and operational considerations 2.3 Standards applied The Euro Z 800 V instrument is manufactured and tested in accordance with the following regulations: Electromagnetic compatibility (EMC) EN 61326 - 1 Electrical equipment for measurement, control and laboratory use –...

  • Page 12: Instrument Description

    LED bar graph key (active if pressed). On/Off Switch the instrument power on or off. Instrument hard reset (if hold for 10 s or more). Clamp Clamp input terminal (Only for connection of Metrel Smart clamps). RS232 RS232 communication port. Instrument overheated.

  • Page 13: Accessories

    The accessories consist of standard and optional accessories. Optional accessories can be delivered upon request. See attached list for standard configuration and options or contact your distributor or see the METREL home page: http://www.metrel.si. 4.1 Standard set Instrument MI 3144 Euro Z 800 V ...

  • Page 14: Instrument Operation

    MI 3144 Euro Z 800 V Instrument operation 5 Instrument operation According to principle, the instrument offers remote control from METREL instruments whose test functions are implemented by application of the Euro Z. 5.1 General meaning of keys LED bar graph key is used to: Power up the temperature and battery bar graph indication;...

  • Page 15: Messages On The Master Instrument

    MI 3144 Euro Z 800 V Instrument operation 5.3 Messages on the master instrument Warning! Low battery on the Euro Z adapter. Select OK for acknowledgement; connect power supply to the Euro Z instrument and recharge the batteries. Warning! Euro Z adapter is overheated. The measurement is prohibited until the temperature decreases under the allowed limit.

  • Page 16: Operation With The Master Instrument

    232_9pin_female / PS 2 to the master instrument and the Euro Z instrument. See Figure 5.1. Figure 5.1: Connection of the Euro Z 800 V to the master instrument using RS 232 or Bluetooth (Example of MI 3152 and MI 3155) Power on the master instrument and the Euro Z instrument.

  • Page 17: Operation With The Amesm

     Run aMESM application on the tablet or smart phone device.  Figure 5.5: Connection of the Euro Z 800 V to the aMESM Search for the appropriate device (your Euro Z instrument) in the Bluetooth menu and  connect to it. The correct name consists of the instrument type plus serial number, e.g.

  • Page 18: Tests And Measurements

    MI 3144 Euro Z 800 V Tests and Measurements 6 Tests and Measurements The MI 3144 Euro Z 800 V instrument is able to carry out different measurement methods. The operator can select the appropriate one. 6.1 Impedance Measurements [Z] When performing measurements close to the power transformer or inductance is present, inductive part of impedance has a significant influence to prospective fault/short-circuit current.

  • Page 19: Z Loop Mω Measurement

    MI 3144 Euro Z 800 V Tests and Measurements ���� − ���� �������� ���� = �������������������������������� ������������������������ ���� ���� ���������������� ���������������� where: Z ........Impedance ......Measured voltage [no load] UNLOADED ......Measured voltage [with load] LOADED ΔU ........Voltage dip ........
  • Page 20 MI 3144 Euro Z 800 V Tests and Measurements ���� − ���� �������� ���� = �������������������������������� ������������������������ ���� ���� ���������������� ���������������� where: Z ........Impedance ......Measured voltage [no load] UNLOADED ......Measured voltage [with load] LOADED ΔU ........Voltage dip ........

  • Page 21: High Current Measurement

    MI 3144 Euro Z 800 V Tests and Measurements 6.1.3 High Current Measurement The measurement can be applied for measuring contact resistance (bad contacts) in a live distribution board or fuse box. With test currents from 10 A and all the way to the 100 A, depending on the mains voltage and test load parameter.
  • Page 22 MI 3144 Euro Z 800 V Tests and Measurements Proposed measurement can be referenced to standard IEEE-81 par. 10.2 and 10.3. Remote Power MI 3144 Euro Z 800 V Source = ΔU GRID P1-P2 GRID Itest 4 wire (Kelvin) Itower...
  • Page 23 MI 3144 Euro Z 800 V Tests and Measurements Fixed Installation MI 3144 Euro Z 800 V extension leads on reel Itest Ibuilding building Itest Isel ΔR = ΔU P1-P2 test = ΔU P1-P2 Ground Grid E a r t h Mesh Figure 6.9: High Current Measurement example 5 (IEEE-81)

  • Page 24: Dc Source & Line Resistance Measurements [R]

    MI 3144 Euro Z 800 V Tests and Measurements 6.2 DC Source & Line Resistance Measurements [R] Measurement Test Test Limit Resistance Mode Method R line mΩ single 4-wire Table 6.11: Available DC Resistance measurements in the MI 3144 6.2.1 R line mΩ Measurement R line mΩ...
  • Page 25 MI 3144 Euro Z 800 V Tests and Measurements During the measurement, an active internal resistance is connected between C1(+) and C2(-) for 20 ms. The instrument internal shunt resistor measures the current (I ). A voltmeter test measures the open circuit voltage with no load (U...

  • Page 26: Earth Potential [U]

    MI 3144 Euro Z 800 V Tests and Measurements 6.3 Earth Potential [U] Measurement Test Test Limit Voltage Mode Method U touch single 4-wire Table 6.15: Available Earth Potential measurements with the MI 3144 Note (acc.to IEEE Std 81): Touch voltage - general definition. The potential difference between the GPR of a grounding ...

  • Page 27: Elr Test [I And T]

    MI 3144 Euro Z 800 V Tests and Measurements 6.4 ELR Test [I and t] The MI 3144 Euro Z 800 V instrument is supporting testing of ELR-s or Modular Residual Current Devices (MRCD) without integral current breaking devices and with separate sensing means.

  • Page 28: Elr Current Injection Test

    MI 3144 Euro Z 800 V Tests and Measurements Test duration (s) Number of turns Current Waveform shape Alternating Pulsed 3 mA 5 mA 6 mA 10 mA 15 mA 30 mA 50 mA 100 mA 150 mA 250 mA...

  • Page 29: Elr Combination Time Test

    MI 3144 Euro Z 800 V Tests and Measurements 1 - turn 2 - turns 3 - turns Figure 6.21: Number of turns - example 6.4.2 ELR Combination Time Test Verification of the correct operation in case of a suddenly appearing residual current.

  • Page 30: Current [I]

    MI 3144 Euro Z 800 V Tests and Measurements 6.5 Current [I] Current Measurement Test Nominal Filter Type Max. Measuring Mode frequency range A1227 3000 A Current Clamp Meter cont. 16 Hz – 420 Hz A1281 1000 A A1609 3000 A Table 6.23: Available Current measurements in the MI 3144...

  • Page 31: Communication

    Some Android applications automatically carry out the setup of a Bluetooth connection.  It is preferred to use this option if it exists. This option is supported by Metrel's Android applications. If this option is not supported by the selected Android application, then configure a ...

  • Page 32: Maintenance

    The Euro Z instrument can be upgraded from a PC via the RS232 communication port. This enables to keep the Euro Z instrument up to date even if the standards or regulations change. Download the latest firmware on the Metrel download centre: https://www.metrel.si/en/downloads/ Special upgrading software - FlashMe will guide you through the upgrading procedure.

  • Page 33: Technical Specifications

    MI 3144 Euro Z 800 V Technical specifications 9 Technical specifications 9.1 Impedance [Z] 9.1.1 Z line mΩ, Z loop mΩ Measuring range according to EN 61557-3: 12.0 mΩ … 19.99 Ω Measurement principle ........ Voltage / Current measurement (synchronous sampling) Line Impedance Resolution (mΩ) Uncertainty (* See notes)
  • Page 34 MI 3144 Euro Z 800 V Technical specifications ���� ���� × ���� ���� = ���� × � � = ���� × � � Displayed (U ) is calculated as follows: ������������ ������������ ���� ���� ���� × ���� ���� �������������������� ��������������������...

  • Page 35: High Current

    MI 3144 Euro Z 800 V Technical specifications 9.1.2 High Current Measurement principle ........ Voltage / Current (external Clamp option) measurement Resistance Uncertainty (* See notes) Measuring range (Ω) Resolution (mΩ) 0.1 m … 199.9 m ±(5 % of reading + 3 mΩ) ΔR...

  • Page 36: Dc Source & Line Resistance [R]

    MI 3144 Euro Z 800 V Technical specifications 9.2 DC Source & Line Resistance [R] 9.2.1 R line mΩ Measurement principle: ....... Voltage (dc) / Current (dc) measurement Resistance Uncertainty (* See notes) Measuring range (Ω) Resolution (mΩ) 0 m … 1999 m ±(5 % of reading + 3 digits)

  • Page 37: Earth Potential [U]

    MI 3144 Euro Z 800 V Technical specifications 9.3 Earth Potential [U] 9.3.1 U touch Measurement principle ........ Current / Voltage measurement Voltage Measuring range (V) Resolution (V) Uncertainty (* See notes) 0.0 … 199.9 Utouch calculated value 200 … 999 Test mode .............

  • Page 38: Elr Test [I And T]

    MI 3144 Euro Z 800 V Technical specifications 9.5 ELR Test [I and t] 9.5.1 ELR Current Injection Test and ELR Combination Time Test Measurement principle: ....... Current and time measurement Residual operating current Measuring range (A) Resolution (mA) Uncertainty (* See notes) 0.1 m …...

  • Page 39: Current [I]

    MI 3144 Euro Z 800 V Technical specifications 9.6 Current [I] 9.6.1 Iron (A 1281) and Flex (A 1227, A 1609) current clamp Measurement principle: ....... Current measurement (RMS) Current Type Range (A) Measuring range (A) Display range (A) Resolution...

  • Page 40: Test Current

    MI 3144 Euro Z 800 V Technical specifications 9.7 Test Current Measurement function ........Z line mΩ, Z loop mΩ, High Current, U touch ���� Test Current (I ) is set as follows: ���� ± 15 % test �������� ����������������_���� ���� �������� + ����_���� ���� ������������ + ����_int ����������������...

  • Page 41: General Data

    MI 3144 Euro Z 800 V Technical specifications 9.8 General data Battery power supply ........7.2 V (4.4 Ah Li-ion) Battery charging time ........typical 3.0 h (deep discharge) Mains power supply ........90 V … 260 V , 45 Hz … 65 Hz, 80 VA Over-voltage category ........

  • Page 42: Appendix A - Supported Instruments Selection Table

    MI 3144 Euro Z 800 V Appendix A – Supported Instruments Selection Table Appendix A – Supported Instruments Selection Table Supported instruments and devices are:  MI 3155 EurotestXD;  MI 3152 EurotestXC;  MI 3325 MultiServicerXD;  aMESM (Android App).

  • Page 43: Appendix B - Mrcd Test (Acc.to Iec 60947-2 Annex M)

    Appendix B – MRCD Test MI 3144 Euro Z 800 V (acc.to IEC 60947-2 Annex M) Appendix B – MRCD Test (acc.to IEC 60947-2 Annex M) Current Injection Test AC Type ELR (MRCD) test procedure During the measurement the circuit breaker is in the closed position (ON), and the ELR (MRCD) being ready to operate, the residual current is steadily increased, starting form a value not higher than 0.2 x IΔn, up to IΔn (set value) in approximately 30 s.
  • Page 44 MI 3144 Euro Z 800 V Appendix B – MRCD Test (acc.to IEC 60947-2 Annex M) if IΔn is >15 mA IΔn than IΔn multiplied by 1,4 if IΔn is ≤15 mA than IΔn multiplied by 2,0 30 s Figure B.2: Current Injection Test waveforms example (A Type)
  • Page 45 Appendix B – MRCD Test MI 3144 Euro Z 800 V (acc.to IEC 60947-2 Annex M) Combination Time Test AC Type ELR (MRCD) test procedure During the measurement the circuit breaker is in the closed position (ON), and the ELR (MRCD) being ready to operate, the residual current is suddenly established (set value IΔn).
  • Page 46 Appendix B – MRCD Test MI 3144 Euro Z 800 V (acc.to IEC 60947-2 Annex M) A Type ELR (MRCD) test procedure During the measurement the circuit breaker is in the closed position (ON), and the ELR (MRCD) being ready to operate, the residual current is suddenly established (1.4 x IΔn or 2 x IΔn - depending on the set value).

  • Page 47: Appendix C - Short-Circuit Currents In 3P A.c. Systems

    MI 3144 Euro Z 800 V Appendix C – Prospective short-circuit current I – Appendix C Short-circuit currents in 3p a.c. systems Voltage factor c according to the EN 60909 – 0 Nominal system voltage U Voltage factor c voltage system with...

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