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EurotestXA MI 3105 Instruction manual

1. essessesseesseeeeee eene nnne nnne rsen sse sane ne nis 121 D 3 3 Ao ye e 121 D 3 4 FAG TESTING pasaras eedee 122 D 3 5 Duae terrm ais 122 D 3 6 First fault leakage current ISFL sees 124 DA Technical Specials raras 126 D 4 1 Firstfault leakage current ISFEL oe A 126 D 4 2 Calibrated resistances for IMD testing cccooccccoccnccccnoconnnccnnnonaconnnononacononcnonos 126 E Appendix E Reduced low voltage supply systems 127 E Slandard releer 127 E Fundamenta S O 127 ES MIS TOS QUIM Std di ii 127 E 3 1 MI 3105 functions and reduced low voltage systems cooccccccoccconcocnocnconionnnanon 128 EA Technical speelilCaUoFPiS acabo wane ip var rob bas nex Re pe E Te OVe AER 130 E 4 1 uou O A 130 MI 3105 EurotestXA Table of contents E 4 2 Fault loop impedance and prospective short circuit current 132 E 4 3 Line impedance and prospective short circuit current ccoocccocncocncoconoconaninanonnnos 134 F Appendix F Country notes oto ie teense ecc siat ep os Eeet uen iveteis nnmnnn 135 Pal LIStor county MOGIICATIONS siusesviueeroswvsvuvtuc PEDE ve D par Innata 135 2 WOGMICATION ISSUES T Tm 135 F 2 1 AT modification Q Type HO Dust aeui iaarpdue pau sanetenpinenansteinenasantbaneaannanatasanennels 135 F 2 2 ES modification CONTINUITY LOOP Re ooocc
2. 6 5 VDC 9 VDC Short circuit current max 30 mA Test lead compensation up to 20 O 8 3 RCD testing 8 3 1 General data Nominal residual current 10 mA 30 mA 100 mA 300 mA 500 mA 1000 mA Nominal residual current accuracy 0 0 1 1A IA IAN 2xlAN 5xlAN 0 1 IA 0 lA 0 5xlAN AS NZ selected 5 96 Test current shape Sine wave AC pulsed A DC B DC offset for pulsed test current 6 mA typical FGDC non delayed S time delayed Test current starting polarity 0 or 180 Voltage range 40 V 264 V 14 Hz 500 Hz 101 MI 3105 EurotestXA Technical specifications RCD test current selection r m s value calculated to 20ms according to IEC 61009 AN eee T NENNEN a ee ae Ho s tss s m0 20 e la 40 so 100500 D I n EC O 2988 E EN eee 100 50 35 50 100 141 200 200 282 400 500 707 1000 D 0 300 150 109 150 300 424 600 600 848 na 1800 na na 0 M M 500 250 175 250 500 707 1000 1000 1410 na 2500 na na D 0 1000 500 350 500 1000 1410 n a 2000 na jna na na jna 0 O na leen R E LED LOCUS not applicable AG VDG a indo I SE E sine wave test current B PVCS E EEE us etude pulsed current D BT lV DCS scout Tei doi smooth DC current 8 3 2 Contact voltage RCD Uc Measuring
3. Inspection failed G 3 2 Resistance to earth connection and equipotential bonding The resistance measurement is performed in order to assure that protective measures against electric shock through earth bond connections are effective Five subfunctions are available D Earth bond resistance measurement according to EN 61557 4 between N and PE terminals test current 200 mA D Earth bond resistance measurement according to EN 61557 4 between L and PE terminals test current gt 200 mA 0 Continuous resistance measurement with lower test current between N and PE terminals test current ca 7 mA o Continuous resistance measurement with lower test current between L and PE terminals test current ca 7 mA and n Resistance of PE conductor through fault loop measurement 144 MI 3105 EurotestXA Appendix G ES1 application of regulative UNE 202008 ICONTINUITY R PE loop 09 54 See chapter 4 2 Single test for functionality of keys Rpe RPEca 0 170 Uc RPE lim 2 00 CUIT INSULATION 2 LINE 2 La gt Figure G 5 Continuity Test parameters for resistance measurement TEST Resistance measurement sub function R200mA NPE R7mA NPE R200mA LPE R7mA LPE R PE loop If R PE loop then Rated current of fuse 6 A 10 A 16 A 20 A 25 AF Touch voltage limit 25 V 50 V Maximum PE resistance gt gt RPE_lim Maximum PE resistance RPE cal Calibrated value of PE res
4. ES T M il AHE MISC cELLANEOU EurotestXA MI 3105 Instruction manual Version 5 3 HW 5 Code no 20 751 833 Ng S 79 MEIREL Distributor Manufacturer METREL d d Ljubljanska cesta 77 1354 Horjul Slovenia web site http www metrel si e mail metrel metrel si 2006 2013 METREL The trade names Metrel Smartec Eurotest Autosequence are trademarks registered or pending in Europe and other countries No part of this publication may be reproduced or utilized in any form or by any means without permission in writing from METREL MI 3105 EurotestXA Table of contents LL Preta a 7 2 Safety and operational ConsideratiONS coonccconnccccnncicocncocnnnconnnnncnnnnnnnannnenannrenannnenans 8 Zalt Wanns MANOS isidro 8 Zee Battery GING CAI IA ind 11 2 2 1 New battery cells or cells unused for a longer period ssse 12 2 9 Standards applied secat Du uM S Ui co ba cu VES Eod Dur ur a S tud taro faftus 13 3 Jnstrumerit descrIDHOH coe ne eon tune S vnu seuuUisu nun uEucsuu a Sus EAM Su EUR EUER EU NEUE 14 3 1 meri O 14 De GORE a dad 15 323 BACK Daelim 16 An o Pe 17 3 5 Display Organiza usina cr 18 3 5 1 Terminal voltage Mont aii 18 3 9 2 IVS FUN asic RT ACT 19 3 9 9 Message TC lO mH H 19 3 5 4 misiolMi lsbom c tenes 20 3 515 INCA ails tects le coat emer meee nee ane T da
5. ooccccocnccoccnnccncnnoconononanononacononanononannnnonanonons 105 EN int e 106 8 9 TRAMS OMO CUNE ustedes eet Gov id 108 9 10 JB ISOLE etes boi devi oer SOY VIP vu tus ve EN uet uoto GOV SE UNS UE ao RSA Sev S dt 108 8 11 2 nelooDImpedall6e asqeoseetdo tim dvkeniduc ed citu dt CH ocean D eM CUP EUM v dd 109 8 11 1 High precision line IMPedanCOusintaidas ida 109 8 11 2 High precision fault loop impedance ccccccceeeccseeecsececeeeeeeeeeenseeeseeeeseseeenees 109 O9 Contact Voltage ita ia 110 9 12 VAS EE 110 SAS aenecraldaldsa cai 111 A Appendix A Fuse AA A 112 B Appendix B Accessories for specific measurements 115 C Appendix C Locator receiver R10K eese ereeee eere 116 Sat Tracia PAC dt 117 C 1 1 Positiohirng NS TECOS 117 C 1 2 Positioning current Clamp siue ote ches Enero reete ERI ee coe a a 117 C 1 3 POSITIONING Selective IODC tia honanni Giclee onda ghuaanenen 118 C 2 Detection distances for different connections cccocnccocnccocnconononnnnnnnnnnnnnnnnnanoss 118 O3 MOTO OWE SUD e M EET T m oasis 118 GA Maitena el gt Tm 118 D Appendix D IT SUDDIV SYSTEM Susini di 119 D T Standard Telerences ses a 119 Do US e Mem 119 D 3 Measurement qUides iacu octets tto sisi oid ont 120 D 3 1 MI 3105 test functions and IT SyStemMS ocoocccoccocccoccoconccncononancnconanoncnnanonnnnnnnanons 121 D 3 2 Voltage measurements
6. otandard prospective short circuit current The following parameters are displayed in sub screen for loop impedance measurement IscMaxL Pe Maximum prospective fault current IscMinL Pe Minimum prospective fault current ISC OIG P ETT Standard prospective fault current Ub S Contact voltage at maximum prospective fault current Contact voltage is measured against probe S terminal 8 MI 3105 EurotestXA Measurements Notes 5 10 It can happen that a dangerous voltage is applied to the PE wire or other accessible metal parts This is a very dangerous situation since the PE wire and MPEs are considered to be For application and technical data of the Impedance adapter A1143 see its user manual 20750859 High fluctuations of mains voltage can influence the measurement results Check adapter indications in case the abort symbol appears after the start of measurement PE test terminal earthed A common reason for this fault is incorrect wiring see examples below When touching the TEST key in all functions that require mains supply the user automatically performs this test Examples for application of PE test terminal L1 N Pa Reversed phase and protection conductors i THE MOST DANGEROUS ISITUATION DAA Figure 5 51 Reversed L and PE conductors application of plug commander L1 N PE t sx Revers
7. mains voltage switched off TU ASS loads disconnected Figure 5 3 Application of plug commander and or universal test cable for insulation resistance measurement TESTS L PE N PE L N L PE ALL Insulation resistance measuring procedure Select the EJUWY41 01 function Set test parameters Enable and set limit value optional Disconnect tested installation from mains supply and discharge tested insulation Connect test cable to the instrument and tested item see figures 5 2 and 5 3 Press the TEST key for measurement keep pressing for continuous measurement Note After the measurement is finished wait until tested item is discharged Store the result optional INSULATION ALL TEO E SIINSULATION L PE TPE B 1t 1 15 166 1666 Rin Z 29no0 05547 en NN Ripe 7 80m0 11517 Rnpe 1 2 3m0 1515 nc AO 4 MO VOLTAGE CONTINUITY uU ET Al un Follow the correct test wiring as indicated in terminal voltage monitor 25 when the particular insulation test is selected If only two test wires are connected and L N L PE or N PE test is selected then technical specification for Insulation ALL applies VOLTAGE CONTINUITY uU EI ELM xe Figure 5 4 Examples of insulation resistance measurement results Displayed results Alas Insulation resistance between L and N Hlpe Insulation resistance between L and PE Hnpe Insula
8. 1 Test connector Measuring inputs outputs connection of measuring cables 2 Charger socket Connection of power supply adapter Communication with PC serial port and Bluetooth dongle and 3 PS 2 connector connection to optional measuring adapters protecion TOET Protects from simultaneous access to test connector and power supply adapter socket plus communication connectors 5 USB connector USB 1 1 communication port 6 Clamp connector Measuring input for current clamp Warnings U Maximum allowed voltage between any test terminal and ground is 600 V Maximum allowed voltage between test terminals is 550 V Maximum short term voltage of external power supply adapter is 14 V Do not connect any voltage source on clamp connector sockets It is intended for connection of current clamp with current output only Maximum continuous current of current clamp input is 30 mA 15 MI 3105 EurotestXA Instrument description Back panel 3 3 Back panel Figure 3 3 Back panel Legend 1 Battery fuse compartment cover 2 Back panel information label 3 Fixing screws for battery fuse compartment cover Figure 3 4 Battery and fuse compartment Legend 1 FuseF1 T 315 mA 250 V 2 FuseF2 T4A 500 V 3 Fuse F3 T4A 500 V 4 Serial number label 5 Battery cells size AA alkaline rechargeable NiMH or NiCd 6 Battery holder Can be removed from the instrument 16 MI 3105 EurotestXA Instrument descri
9. 2 1 Warnings and notes In order to reach high level of operators safety while carrying out various tests and measurements using EurotestXA as well as to keep the test equipment undamaged it is necessary to consider the following general warnings A Warning on the instrument means Read the Instruction manual with special care to safety operation The symbol requires an action o If the test equipment is used in a manner that is not specified in this user manual the protection provided by the equipment might be impaired 0 Read this user manual carefully otherwise use of the instrument may be dangerous for the operator for the instrument or for the equipment under test 0 Do not use the instrument and accessories if any damage is noticed 0 Incase a fuse has blown follow the instructions in this manual to replace it 0 Consider all generally known precautions in order to avoid risk of electric shock while dealing with hazardous voltages 0 Do not use the instrument in supply systems with voltages higher than 550 V 0 Service intervention or adjustment and calibration procedure is allowed to be carried out only by a competent authorized person 0 Use only standard or optional test accessories supplied by your distributor 0 Test tips and Tip commander have removable caps If they are removed the protection falls to CAT Il Check markings on accessories Cap off 18 mm tip CAT Il up to 600 V Cap on 4 mm tip CAT Il 600 V C
10. An example for opening a new location and storing a test result into the location is presented below CONTINUITY R200mA 12 53 E Finished test with the results prepared for saving is marked with icon VOLTAGE in IL TLLA INSULATION E Figure 6 15 Test result prepared for saving g SAVE TEST E REE 99 7 SELECTED 4 12 001 INSULATION 03 Mar 2006 07 37 Key 002 CONTINUITY 02 Mar 2006 14 19 003 Z LINE 03 Mar 2006 07 38 MEM Enters the save test menu di Figure 6 16 Save test menu a SAVE TEST E a REE 99 7 SELECTED 412 Keys 001 INSULATION 03 Mar 2006 07 37 002 CONTINUITY 02 Mar 2006 14 19 F2 Changes structure view 003 Z LINE 03 Mar 2006 07 38 F1 Enters name of the location Figure 6 17 Dialog box for new location 94 MI 3105 EurotestXA Data handling Editing installation data structure MP SAVE TEST E METREL d d PRODUCT 3PH SOCKET id hi B 25 Enter name of the location Key F2 Confirms the name Figure 6 18 Entering name for the new location H SAVE TEST E Key MEM Saves results into the location Figure 6 19 Location prepared RECALL MEMORY 004 CONTINUITY 03 Mar 2006 08 56 dl Rename El Change view Figure 6 20 Stored example 95 MI 3105 EurotestXA Data handling Communication 6 7 Communication Stored results can be transferred to a PC A special communication program on th
11. MI 3105 EurotestXA Technical specifications 8 Technical specifications 8 1 Insulation resistance Insulation LN LPE NPE Insulation resistance nominal voltages 50 Vpc 100 Vpc and 250 Vpc Measuring range according to EN61557 is 0 25 MO 199 9 MQ Measuring range MQ Resolution MO 0 00 19 99 5 96 of reading 5 digits 20 0 99 9 10 96 of reading 100 0 199 9 20 of reading Insulation resistance nominal voltages 500 Vpc and 1000 Vpc Measuring range according to EN61557 is 0 15 MQ 1000 MQ Measuring range MQ Resolution MQ 0 00 19 99 5 96 of reading 3 digits 20 0 199 9 200 299 300 1000 20 of reading Insulation ALL and L PE N PE L N L PE Insulation resistance nominal voltages 50 Vpc 100 Vpc 250 Vpc 500 Vpc 1000 Vpc Measuring range according to EN61557 is 0 34 MQ 30 0 MO 10 of reading 5 digits Voltage Measuring range V Resolution V 1 r 0 1200 1 x 8 56 of reading 3 digits Nominal voltages ee ee ee 50 Voc 100 Voce 250 Vpc 500 Vpc 1000 Voc Open circuit voltage 0 20 96 of nominal voltage Measuring current min 1 mA at RN UNx1 kQ V Short circuit current max 0 6 mA Specified accuracy is valid if universal test cable is used while it is valid up to 100 MQ if tip commander is used Specified accuracy is valid up to 100 MQ if r
12. Displayed results L7 Step 1 trip out time VexlAN 09 9 Step 2 trip out time VexlAN 180 Step 3 trip out time IAN 0 til 245 Step 4 trip out time IAN 1809 t Step 5 trip out time bxlAN 0 LAI Step 6 trip out time 5xIAN 1809 WG RR Contact voltage for rated IAN Notes The autotest sequence is immediately stopped if any incorrect condition is detected e g excessive Uc or trip out time out of bounds Auto test is finished without 523 tests in case of testing the RCD types A F with rated residual currents of An 300 mA 500 mA and 1000 mA In this case auto test result passes if all previous results pass and indications 52 and t5 are omitted 59 MI 3105 EurotestXA Measurements Fault loop impedance 5 4 Fault loop impedance and prospective fault current Fault loop is a loop comprising mains source line wiring and PE return path to the mains source The instrument has ability to measure impedance of mentioned loop and calculate short circuit current and contact voltage regarding the selected circuit breaker type The measurement is covered by requirements of the EN 61557 3 standard EH Z LOOP 19 28 E see 4 2 Single test for active keys Protection INSULATION LINE CETT RCD gt Figure 5 18 Fault loop impedance Test parameters for fault loop impedance measurement Selection of main protection device in fault loop RCD FUSE Fuse type S
13. Other instrument options can be set in this menu Options are l 0 Unlocking default autotests amp comments 0 Setting units of measurements 0 Commander support on Initialization of Bluetooth dongle Figure 4 28 Other settings dialogue Keys og 0 Select other settings item TEST Enters selected item ESC Exits the menu without changes Unlocking default autotests and comments Other settings E Protection flag key for all default auto COMMANDER INIT BT DONGLE Figure 4 29 Unlock default autotests dialogue TEST Unlocks locked auto test sequences ESC Exits the menu without changes Units selection l Units of measurement E Unit for specific earth resistance will be E ED m Figure 4 30 Units of measurement dialogue o U Select distance units TEST Enters selected distance units ESC Exits the menu without changes Commander support 43 MI 3105 EurotestXA Instrument operation Miscellaneous E COMMANDER E The commanders operation can be set COMMANDER in this menu i gt Figure 4 31 Commander operation menu 0 0 Selects commander enabled disabled TEST Enters selected option ESC Exits the menu without changes Note Commander disabled option is intended to disable the commander s remote keys In the case of high EM interfering noise the operation of the commander s key can be irregular Initialization of the Bluetooth dongle E I
14. CR Note o All figures in main text of the user manual containing the terminal voltage monitor has to be read as the example above for this modification 140 MI 3105 EurotestXA Appendix G ES1 application of regulative UNE 202008 G Appendix G ES1 application of regulative UNE 202008 ES1 modification enables operator to select limits and test procedures according to national regulative UNE 202008 G 1 Main menu In the Main menu an additional operation mode to those listed in chapter 4 7 can be set g UNE 202008 qM SINGLE TEST D Inspection menu A LN MISCELLANEOUS Figure 4 1 Main menu Additional keys og 0 Toggle between Single test and Inspection menu gt LN is intended to run individual measurement functions see 4 2 LN 4 is intended for visual inspections see G f 1 G 1 1 Inspection Keys in main Inspection screen Select inspection type 0 lt Aplicacion REBT 2002 gt Periodic inspection according to REBT 2002 urd 0 lt Aplicacion REBT 1973 gt Periodic inspection according to REBT 1973 0 lt Hasta diciembre 1975 gt Periodic inspection according to requirements from 1975 TEST Starts selected inspection type F2 Clears all schedule flags TEST Stops inspection ESC MEM Stores inspection results recalls inspection results see Chapter 5 for more information about standard operations of the instrument in single test and Chapter G 3 for
15. Correction factor for Isc see chapter 4 4 2 Input voltage L PE 93 V UL PE lt 134 V 230 V 185 V UL pe lt 266 V Notes o High fluctuations of mains voltage influence the measurement results The noise sign HiH is displayed in the message field in such case Repeat the measurement o Isc is not calculated in case the terminal voltage monitor does not detect voltage state that corresponds to the selected supply system indication 0 This measurement will trip out RCD in RCD protected electrical installation if FUSE is selected as breaking device instead of RCD 61 MI 3105 EurotestXA Measurements Line impedance Voltage drop 5 5 Line impedance prospective short circuit current and Voltage drop Line impedance is measured in loop comprising of mains voltage source and line wiring It is covered by the requirements of the EN 61557 3 standard The Voltage drop sub function is intended to check that a voltage in the installation stays above acceptable levels if the highest current is flowing in the circuit The highest current is defined as the nominal current of the circuit s fuse The limit values are described in the standard EN 60364 5 52 Sub functions Z LINE Line impedance measurement according to EN 61557 3 o AU Voltage drop measurement See 4 2 Single test for keys functionality 4A CONTINUITY INSULATION AT imp Figure 5 22 Voltage drop Test parameters for line impedance measur
16. Figure D 9 Measurement of first fault leakage current for RCD protected circuit with universal test cable First fault leakage current measuring procedure Select the Ela function Enable and set limit value optional Connect test cable to the instrument and tested installation see figures D 8 and D 9 Press the TEST key to start measurement Store the result optional 125 MI 3105 EurotestXA Appendix D IT supply systems ET I FRE E EN 02 43 Isc1 1 9 6ma isct 46 9ma Isc 2 1 9 Ama Isc2 48 Sma 4A EARTH CURRENT MD CHECK GED Vap E EARTH CURRENT MD CHECK D Vap Figure D 10 Examples of measurement results for the first fault leakage current Displayed results IS6 T A First fault leakage current at single fault between L1 PE jo eoe First fault leakage current at single fault between L2 PE D 4 Technical specifications Only technical specifications that are different to the specifications from chapter 8 of this document are listed below D 4 1 First fault leakage current ISFL Measuring range mA Resolution mA Accuracy ASA 5 of reading 3 digits 100 1999 Measuring resistance approx 30 Q Measuring voltage ranges 93 V lt U 1 12 lt 134 V and 185 V lt UL1 L2 lt 266 V D 4 2 Calibrated resistances for IMD testing Test resistance range 20 kQ to 650 kQ indicativ
17. too IEC 60364 4 41 OIEC In IT systems live parts shall be insulated from earth or connected to earth through sufficiently high impedance This connection may be made either at the neutral point or at midpoint of the system or at an artificial neutral point The latter may be connected directly to earth if the resulting impedance to earth is sufficiently high at the system frequency Where no neutral point or mid point exists a line conductor may be connected to earth through high impedance 119 MI 3105 EurotestXA Appendix D IT supply systems P N Optional i PE Optional li high impedance Figure D 1 General IT supply system Three phase star connection optional delta connection Optional neutral line oingle phase connection is also possible Various system voltages not only three phase 230 V as indicated above One faulty connection of any line to PE is treated as first fault and is regular but it has to be repaired as soon as possible IEC 60364 4 41 In IT systems the following monitoring devices and protective devices may be used Insulation monitoring devices IMDs Residual current monitoring devices RCMs Insulation fault location systems Overcurrent protective devices Residual current protective devices RCDs NOTE Where a residual current operating device RCD is used tripping of the RCD in the event of a first fault cannot be excluded due to capacitive leakage currents Testing of IT supply
18. General Indicator x means that the selected measurement can t be performed because of irregular conditions on input terminals Insulation resistance varistor test continuity functions and earth resistance measurements shall be performed on de energized objects i e voltage between test terminals should be lower than 10 V PASS FAIL indication is enabled when limit is set to ON Apply appropriate limit value for evaluation of measurement results In case that only two of three wires are connected to test electrical installation only voltage indication between these two wires is valid Insulation resistance U U When measuring insulation resistance between installation conductors all loads must be disconnected and all switches closed The instrument automatically discharge tested object after finished measurement Keep the TEST key pressed for continuous measurement Continuity functions Parallel resistance paths and interfering currents in measured circuit will influence the test result If necessary compensate test lead resistance before performing continuity measurement see 5 2 3 Measurement of resistance of wire wound components like transformer or motor windings is possible only in continuous function R7mA due to great influence of the winding inductance RCD functions Parameters set in one function are also kept for other RCD functions The measurement of contact voltage will not trip out
19. Q Resolution 0 0 00 19 99 0 01 20 0 199 9 3 of reading 3 digits 200 1999 5 of reading 2000 9999 10 of reading Additional spike resistance error if Re max or Rp max is exceeded 5 of reading 10 digits A eer mene eer cree A 100 Re or 50 kQ whichever is lower RO IMEX qum 100 Re or 50 kQ whichever is lower Automatic test of probe resistance yes Resistance ratio induced error 2 x R Re Additional error R and Re at 3 V noise 50 Hz 5 96 of reading 10 digits R lt 2 A noise 50 Hz 10 96 of reading 10 digits Automatic test of voltage noise yes Noise voltage indication threshold 1 V 50 O worst case Open terminal test voltage 40 Vac Test voltage frequency 125 Hz short circuit test current 20 mA Low clamp current indication yes Noise current indication yes Additional clamp error has to be considered 106 MI 3105 EurotestXA Technical specifications Earth resistance two clamps method Measuring range Q Resolution O 0 00 19 9 10 of reading 10 digits 20 0 30 0 20 of reading 30 1 39 9 30 of reading Distance between test clamps gt 30 cm Additional error at 3 A 50 Hz noise into 1 O 10 96 of reading Test voltage frequency 125 Hz Nois
20. Replacing fuses There are three fuses under back cover of the EurotestXA Instrument o F1 M 0 315 A 250 V 20x5 mm This fuse protects internal circuitry of continuity function if test probes are connected to the mains supply voltage by mistake during measurement o F2 F3 F4A 500 V 32x6 3 mm General input protection fuses of test terminals L L1 and N L2 Warnings I A Disconnect any measuring accessory and power off the instrument before opening battery fuse compartment cover hazardous voltage inside 0 Replace blown fuse with original type only otherwise the instrument may be damaged and or operator s safety impaired Position of fuses can be seen in Figure 3 4 in chapter 3 3 Back panel 7 2 Cleaning No special maintenance is required for the housing To clean the surface of the instrument use a soft cloth slightly moistened with soapy water or alcohol Then leave the instrument to dry totally before use Warnings 0 Do not use liquids based on petrol or hydrocarbons 0 Do not spill cleaning liquid over the instrument 7 3 Periodic calibration lt is essential that the test instrument is regularly calibrated in order technical specification listed in this manual is guaranteed We recommend an annual calibration Only an authorized technical person can do the calibration Please contact your dealer for further information 7 4 Service For repairs under warranty or at any other time please contact your distributor 99
21. and N test terminals are reversed automatically according to detected terminal voltage Z LINE Voltage drop Measurement of Ziine tine With the instrument test leads PE and N connected together will generate warning of dangerous PE voltage when the TEST key is touched but measurement is not prohibited opecified accuracy of tested parameters is valid only if mains voltage is stable during the measurement and no additional operating circuits are connected in parallel L and N test terminals are reversed automatically according to detected terminal voltage Earth resistance High currents and voltages in earthing could influence the measurement results High resistance of S and H probes could influence the measurement results In this case indications Rp and Rc appear in the message field There is no pass fail indication in this case Resistance of E measuring wire is added to the measurement result of resistance to earth Use only standard test accessory without extension lead for E probe In two clamps test the distance between clamps should be at least 30 cm see figure 5 34 In one clamp test the accuracy decreases as the ratio R Re increases Line tracer Receiver R10K should always be in IND mode when working with the MI 3105 instrument When dealing with complex installations long conductors or more current loops connected in parallel it is advisable to disconnect parts of the installation that are not of
22. and frequency phase sequence 0 Insulation resistance o Resistance to earth connection and equipotential bonding plus continuous resistance measurement Line impedance Voltage drop Loop impedance RCD protection Resistance to earth Leakage and load currents Testing of Insulation Monitoring Devices IMDs First fault leakage current Illuminance measurements 2 Q line loop impedance Tracing the installation Overvoltage protection devices Specific earth resistance measurement ES ES CS Er 60 ES ES E E gt SEE E E Tests can be performed on the following supply systems o IN TT o IT o 110 V reduced low voltage 2 x 55 V and o 110 V reduced low voltage 3 x 63 V The high resolution graphic display with backlight offers easy reading of results indications measurement parameters and messages Operation is simple and clear operator does not need any special training except reading this instruction manual to operate the instrument In order for operator to be familiar enough with measurements in general and their typical applications it is advisable to read Metrel handbook Measurements on electric installations in theory and practice The instrument is equipped with all accessories necessary for comfortable testing It is kept in a soft carrying bag together with all accessories MI 3105 EurotestXA Safety and operational considerations Warnings and notes 2 Safety and operational considerations
23. distribution board and individual wall sockets This is autotest only accessible procedure consisting of two special functions the LOOP Re and the CONTINUITY with LOOP Re sub function Test parameters for LOOP Re function This function does not have any parameters Test parameters for CONTINUITY LOOP Re function TEST Test sub function LOOP Re R200mA R7mA With LOOP Re selected Rated current of the fuse for over current protection of tested socket outlet Conventional touch voltage limit 25 V 50 V Calculated limit value for PE wiring resistance Uc l Re pg Resistance of PE wiring to distribution board result of LOOP Re measurement 136 MI 3105 EurotestXA Appendix F Country notes Circuit for measurement the resistance of PE wire Distribution Outlets and consumers board i Hi S _ if LI m LI LI LI LI LI m LI AA f y y Figure F 1 Two step procedure for PE wiring resistance measurement connection of plug commander and universal test cable Auto sequence recommendation For measurement of the PE resistance the following shall be applied Two auto sequences with at least one function can be prepared see 4 3 The first auto sequence sequence A intended for measurement at distribution board level shall contain function LOOP Re The second auto sequence sequence B intended for measurement of wall sockets and consum
24. ee 20 3 5 6 OUI WANTING Steps chests o gaat hace aman acces 20 3 5 7 ajo 20 3 5 8 Backlight and contrast adjuStMentS occccocncoccncccncconccncncnnnonnnnnoncnonanonnnnnnnncnnrnnnanenos 21 S16 Cama Ine INS MUMICI cadens seca seattle des 22 3 Instrument set and accessorl6s viii idas 22 3 7 1 Se 90 Is I9 E RN E e o DS 22 3 7 2 Optional acceso MOS d oie beni Ere pan tit 22 4 instrument operation eeeieeeieeeoeee rere nere nennen nnn nnn nnn nnn n n nnn nn 23 a E Sonn NR PERENNEM ee 23 42 SIMS TOS c 23 AO S deduc ETE 25 4 3 1 Auto sequence number main MENU ccceccceececseeceeecceeeceueeceeecsueesseeeaueeseeessueens 27 4 3 2 PAULO Sequence Selassie ais 27 4 3 3 Test parameters in auto SOqUenCe coocccocccocccocnconnconocononononononononononanonanonnnennnennnnns 28 4 3 4 Name and description of auto sequence cccocccccccconcnconcncnconncnconcnonanonnnncnncnnnnnonanonos 29 4 3 5 Storing auto sequence settings sequence number name 30 4 3 6 Pause flag and comments in auto SEQUENCE cceccceeeceeeeeeeeeeeseeeseeeneeeseeenaeenes 31 4 3 7 Setting pause flag and comments ooccccoccnccncnnccncncnncnnnncncnnnnnonnnnnnnnnnnnncnnnnnnnoncnononos 31 4 3 8 Eullaing atiautosedueliC e iaa dodo 33 AA MISCellareollS ucuscem cma m tn E A 37 4 4 1 Tato Visto CS eene OO 37 4 4 2 Supply
25. els eS mode Select auto sequence A Connect test leads to the tested distribution board and the instrument see figure FO Press the TEST key After the measurement is finished select auto sequence B Connect test leads to the tested wall socket or consumer and the instrument see figure F 3 Select test parameters optional Connect test cable to the instrument Press the TEST key After the measurement is finished store the result optional 139 MI 3105 EurotestXA Appendix F Country notes LOOP Re ERE E E CONTINUITY LOOP Re 07 15 8 s U 7 Re outlet 0 20 LOOP He at distribution board LOOP He at wall socket Figure F 4 Examples of LOOP He measurement results Displayed results RINT Resistance of PE wiring at distribution board Hpe Resistance of PE wiring between distribution board and wall socket He outlet Resistance of complete PE wiring Notes o Resistance Re for distribution board Re DB is kept in the instrument memory until new LOOP Re is done or the instrument initialized see 4 4 5 0 CONTINUITY with LOOP Re sub function operates only with the right connected test connection F 2 4 CH modification Change L N In the terminal voltage monitor see 3 5 1 the positions of L and N indications are opposite to standard version Voltage monitor example N PE L Online voltage is displayed together with test terminal indication
26. field Figure 4 3 Typical auto sequence screen Ql RENAME sve seins Saving and renaming options Running auto sequence U U select auto sequence see 4 3 2 Connect the instrument to tested object as required for the first measurement in the sequence Press TEST key The sequence will pause at the functions marked with pause flag II Comments regarding the paused function will be displayed optional Press the TAB key to toggle between comments menu and auto Sequence main menu If the conditions at input terminals are valid the test will proceed after pressing the TEST key Press the F1 key to skip the paused function The test will continue with the next test if any or will end Press the ESC key to skip the remaining functions and finish the auto sequence The set of measurements will be performed in sequential manner until the conditions at input terminals are valid for each individual test If not the instrument will stop the buzzer sounds The auto sequence will proceed After correct conditions are restored at the input terminal e g by reconnecting switching on the RCD If pressing the F1 key this function will be skipped By pressing the ESC key to skip the remaining functions and finish the auto sequence Results of a finished auto sequence can be viewed and stored See chapter 6 for more information 25 MI 3105 EurotestXA Instrument operation Automatic testing Measure
27. functions are available only when the IT supply system is selected see chapter 4 4 2 lt IMD check gt Insulation monitor device testing 0 lt ISFL gt Measurement of first fault leakage current L O o E Ea E 50 E E 0 Select sub function in selected measurement function TEST Runs selected test measurement function TAB Enters test parameters field ESC Exits single test operation mode MEM Stores measured results recalls stored results Keys in test parameter field 0 0 Select measuring parameter 0 0 Change the selected parameter TEST TAB ESC Exit back to main single test screen General rule for enabling limits for evaluation of measurement test result OFF No limit comparison Limit Limit ON enabled comparison Limit Value minimum maximum limit value Type of limit value depends on particular function oee Chapter 5 for more information about operation of the instrument in single test functions 24 MI 3105 EurotestXA Instrument operation Automatic testing 4 3 Automatic testing Y o Mire LN is intended for automatic executing of predefined measurement sequences L VOLTAGE Z LINE Z LOOP JRCD HEETTE E AUTO SEQUENCE Auto sequence menu Selected sequence number and optional name CONTINUITY 71 CONTINUITY INSULATION INSULATION zune Sequence field 7 Z LOOP LI RCD Test parameter auto sequence description
28. group H 1 Fault loop impedance and prospective fault current Fault loop is a loop comprising mains source line wiring and PE return path to the mains source The instrument has ability to measure impedance of mentioned loop and calculate short circuit current and contact voltage regarding the selected circuit breaker type The measurement is covered by requirements of the EN 61557 3 standard E Z LOOP TEZ E See 4 2 Single test for active keys Isc_lim 120 04 m NsuLAaTION Z LINE CET TT RCD En m Figure H 1 Fault loop impedance Test parameters for fault loop impedance measurement Selection the type of fault loop measurement Sikring RCD Rs RCD Sikring or RCD selected Selection of fuse type NV gG B C K D Isc lim Minimum short circuit current for selected fuse combination Rs RCD selected mA 500 mA 1000 mA See Appendix A for reference fuse data Select RCD or Rs RCD to prevent trip out of RCD in RCD protected installation Means no fuse selected 151 MI 3105 EurotestXA Appendix H DK modifications Circuits for measurement of fault loop impedance Figure H 2 Connection of plug cable and universal test cable Fault loop impedance measurement procedure Select the 43Ke e 5 function Select test parameters optional Connect test cable to the EurotestXA Connect test leads to the tested object see figure H 2 Press the TEST key After th
29. range according to EN61557 is 20 0 V 33 0V for limit contact voltage 25V Measuring range according to EN61557 is 20 0 V 66 0V for limit contact voltage 50V Measuring range V Resolution V 0 0 19 9 0 96 15 96 of reading 10 digits 20 0 99 9 29 0 96 15 96 of reading The accuracy is valid if mains voltage is stabile during the measurement and PE terminal is free of interfering voltages E ce lii PEE T EET max 0 5xlan Limit contact voltage 25 V 50V opecified accuracy is valid for complete operating range 8 3 3 Trip out time Complete measurement range corresponds to EN 61557 requirements Maximum measuring times set according to selected reference for RCD testing Measuring range ms Resolution ms 0 40 1 ms For max time see normative references in 4 4 2 this specification applies to max time gt 40 ms leg dri EE Vox AN AN 2xlAN 5x AN 5xlan IS not available for lay21000 mA RCD type AC or lan gt 300 mA RCD types A F B B4 2xlan is not available for l4y21000 mA RCD types A F or lan gt 300 mA RCD types B B 1xlan is not available for l4y21000 mA RCD types B B Specified accuracy is valid for complete operating range 102 MI 3105 EurotestxA Technical specifications 8 3 4 Trip out current Trip out current Complete measurement range corresponds to EN 61557 requirements Resolution I 0 2xlan 1 1xlan AC type 0 0
30. reading 100 19999 a 4 10 of reading Accuracy may be impaired in case of heavy noise on mains voltage Prospective fault current calculated value 0 00 9 99 Consider accuracy of fault 300499 1 loop impedance measurement Nominal voltage range 30 V 500 V 14 Hz 500 Hz No trip out of RCD H XL values are indicative 8 5 Line impedance prospective short circuit current and Voltage drop Line impedance Measuring range according to EN61557 is 0 25 Q 19 9 kQ 0 00 9 99 300 99 1 js 5 of reading 5 digits Prospective short circuit current calculated value Measuring range A Resolution A 0 00 0 99 0 01 1 0 99 9 100 999 u Consider accuracy of line impedance measurement 1 00k 99 99k 100k 199k 1000 Test current at 230 V 6 5 A 10 ms Nominal voltage range 30 V 500 V 14 Hz 500 Hz H XL values are indicative 104 MI 3105 EurotestXA Technical specifications Voltage drop calculated value Measuring range Resolution l Consider accuracy of line ZREF Measuring range sssssuss 0 00 Q 20 0 Q 8 6 Voltage frequency and phase rotation 8 6 1 Phase rotation Nominal system voltage range 100 Vac 550 Vac Nominal frequency range 14 Hz 500 Hz Result displayed 1 2 3 or 3 2 1 8 6 2 Voltag
31. regulative UNE 202008 related operations of the instrument in single test plus inspection functions 141 MI 3105 EurotestXA Appendix G ES1 application of regulative UNE 202008 G 2 Miscellaneous Fan Meets menu as defined in chapter 4 4 Miscellaneous has additional option Ko A EL LANGUAGE SYSTEM MEMORY COM PORT STANDARD i UNE 202008 Operator NACHO Figure G 1 Options in Miscellaneous Additional option ts 0 Selection standard or regulative supported measurement menu G 2 1 Operation mode HENN TC otandard measurements plus parameters or measurements with parameters that support UNE 202008 can be selected in this menu Figure G 2 Operation mode selection Keys Select operation mode TEST Confirms selected mode ESC Exits without changes G 3 Measurements This chapter contains description of operation of single tests inspection that are new or different to standard procedures from Chapter 5 142 MI 3105 EurotestXA Appendix G ES1 application of regulative UNE 202008 G 3 1 Inspections This function is intended to support visual inspections of tested installation or installation assemblies Result flags for each individual item can be set Aplicaci n REBT 2002 09 58 See chapter G 1 1 Inspection tor functionality of REVISION PERI DICA 1 Protecci n contra contactos directos keys In Main Inspection menu Comprobaci n visu
32. resistance measurement The measurement is intended for measuring specific earth resistance by using special adapter A1199 Circuit for specific earth resistance measurement a 20 max Z a a a Figure 5 39 Specific earth resistance measurement with p adapter Specific earth resistance measurement procedure Select the Aita function Connect p adapter to the instrument Select p measurement Select distance unit optional Set distance optional Connect test leads of p adapter to tested object see figure 5 39 Press the TEST key After the measurement is finished store the result optional O Cf CM Co ft rr O EARTH p ERT 1 04 o Ep D Oo 4RELINEJZLOOP RCU TTD CURREN m Figure 5 40 Example of specific earth resistance measurement result Displayed results for earth resistance measurement p opecific earth resistance FC pete Resistance of S probe p Hp Resistance of H probe 2 MI 3105 EurotestXA Measurements Current Note o Distance units can be selected in Miscellaneous Initial settings Other settings menu see 4 4 5 5 8 Current This function is intended for measurement of the electric current with current clamp It is intended for measurement of leakage current and load current ZZCURRENT 04 45 oee chapter 4 2 Single test for functionality of keys TEO EARTH CITED Figure 5 41 Current Test parameters for clamp current measureme
33. stable during the measurement impedance measurement POG CalQulallODis ausit inst IPSC Un ksc ZLine Line Un 110 V 90 V lt Uinp lt 121 V Maximum loading eessssse 3 1 A 10 ms Nominal input voltage 110 V 14 Hz 500 Hz H XL values are indicative 134 MI 3105 EurotestXA Appendix F Country notes F Appendix F Country notes This appendix F contains collection of minor modifications related to particular country requirements Some of the modifications mean modified listed function characteristics related to main chapters and others are additional functions Some minor modifications are related also to different requirements of the same market that are covered by various suppliers F 1 List of country modifications The following table contains current list of applied modifications Related chapters Modification type Note O 5 3 8 3 F 2 1 Appended Special G type RCD Appended CONTINUITY LOOP RE F 2 Modification issues F 2 1 AT modification G type RCD Modified is the following related to the mentioned in the chapter 5 3 Added G type RCD Time limits are the same as for general type RCD Contact voltage is calculated the same as for general type RCD Modifications of the chapter 5 3 Test parameters for RCD test and measurement TEST RCD sub function test Tripout time t Uc AUTO Tripout curr
34. supply system LANGUAGE system MEMORY Recalling and clearing stored results COM PORT Setting date and time Selection of communication port Setting the instrument to initial values Entering locator function selection of operator O fH O fH fH fH Lr Figure 4 22 Options in Miscellaneous menu Keys 0 0 0 l Selection of option TEST Enters selected option ESC Returns to the main menu 4 4 1 Language The instrument supports different languages SELECT LANGUAGE ENGLISH ITALIANO ESPANOL FRANCAIS Figure 4 23 Language selection Keys 0 Select language TEST Confirms selected language and exits to settings menu ESC Exits to settings menu without changes 37 MI 3105 EurotestXA Instrument operation Miscellaneous 4 4 2 Supply system Isc factor RCD standard In the Voltage system menu the following parameters can be selected E VOLTAGE SYSTEM Voltage system Mains supply system type Correction factor for Isc Set Isc factor b calculation ksc RDC testing RCD normative reference MR RCD testing ENG1008 ENG1009 Figure 4 24 System parameters Keys o 0 Select option 0 0 Change the option TEST Confirms selected option ESC Exits to settings menu with new setup Mains supply systems The following supplying systems are supported o TT TN earthed systems o IT system insulated from earth o 110 V reduced low voltage 2 x 55 V center
35. system Isc factor RCD standard oo ooccccoccnconccccnccncncnnnnncncnncnnnnncnnoncnnoncnnnnnos 38 4 4 3 MEMO or odo ac cisco 40 4 4 4 Date ANG Im a ll at lo es alas 40 4 4 5 EA q E TO TT 41 4 4 6 Communication DOM sss sacutes aa a TA a aa i 45 4 4 7 A A o 45 4 4 8 ODEIO astra a e a 46 9 MeasS remenl acia 47 5 1 ASMA TESTA Oraa E E E E E 47 5 2 Resistance to earth connection and equipotential bonding 49 5 2 1 Continuity R200 mA measurement occccoccnccncnccnncncnncnnnnnncnnnnnonnnnnnnnnnnoncnnnnnnnnncncnonos 49 5 2 2 7 mA resistance measurement sooo sese cola de eov Dna ba edo va salta Dae DIea Qus LOS la ee Dow te Ea 51 MI 3105 EurotestXA Table of contents 5 2 9 Compensation of test leads resiStancCe oocccconcncoccnccconocnnnnonnnnnnnnnnnnncnnnnnnnnncnnnnons 52 539 Fesin RODS ergani X A 54 5 3 1 Gontact voltage RGD UC irern dd idos 55 532 THO OUT TING Torere oE panied Uhiieadiaaniaethaneeaaannte 56 9 3 3 AIO OU CUI CMT aa a 57 5 3 4 REDATE S erson ra iio 58 5 4 Fault loop impedance and prospective fault current ocoocccocncocnconiconicanononos 60 5 5 Line impedance prospective short circuit current and Voltage drop 62 5 0 1 Line impedance and prospective short circuit Current ooccocccccncconiococonicucicononos 63 9 9 2 Voltage di Opereren 64 5 6 Voltage frequency and phase sequence ccsccc
36. system is slightly different to standard tests in TN TT system D 3 Measurement guides The user has to select the IT supply system in the instrument before testing it The procedure for selecting the IT supply system is defined in chapter 4 4 2 Supply system Isc factor RCD standard Once the IT system is selected the instrument can be used immediately The instrument keeps selected IT system when it is turned off When the instrument detects appropriate voltage levels for selected IT system the terminal voltage monitor shows IT system icon Gil 120 MI 3105 EurotestXA Appendix D IT supply systems D 3 1 MI 3105 test functions and IT systems The table below contains functions of the instrument including compatibility notes related to the IT system Phase rotation RCD Uc RCD Trip out Time t RCD Tripping Current Applicable with bypassing the test current RCD Automatic test Loop functions Not applicable Fault Loop Impedance Ss Short circuit Current Independent of selected supply system Independent of selected supply system Independent of selected supply system PE test probe Active but does not inhibit selected test if voltage is detected D 3 2 Voltage measurements ESI VOLTAGE TRMS d 12 16 uz 219 50 00 Uipe 109 u2pe 1 10 Li PE L2 usua w LIBI SICONTINUITY INSULATION Figure D 2 Voltage measurements Displayed results for single phase system 023 A Voltage be
37. terminals Measurement is running consider displayed warnings Conditions on the input terminals allow starting the measurement TEST key consider other displayed warnings and messages Conditions on the input terminals do not allow starting the measurement TEST key consider displayed warnings and messages Test leads resistance in Al HN tests is not compensated see Chapter 5 2 3 for compensation procedure Test leads resistance in ee aT IV A d tests is compensated Possibility to perform reference measurement Zref in AT sub function RCD tripped out during the measurement in RCD functions Instrument is overheated the temperature inside the instrument is higher than the safety limit and measurement is prohibited until the temperature decreases under the allowed limit Fuse F1 has blown or not inserted e gb IRR and Sevag functions It is possible to store result s High electrical noise during measurement Results may be impaired 19 MI 3105 EurotestXA Instrument description Display organization Probe resistances Rc or Rp could influence earth resistance result Low clamp current could influence earth resistance result a Pause activated in auto sequence test Follow required activity for paused test function 3 5 4 Result field Y Measurement result is inside pre set limits PASS x Measurement result is out of pre set limits FAIL e Measurement is aborted Consider displayed warnings and m
38. the aied function Set sub function Tripout current Set test parameters if necessary Connect test cable to the instrument Connect test leads to the tested object see figure 5 13 Press the TEST key After the measurement is finished store the result optional RCD Tripout current 18 0 18 0 Y 149 5m ru r49 5mn TEST Tripout TEST Tripout L PE MN current e a a current e e e INSULATION Z LINE LOOF QAJ QA NSULATION ZLINEJELOOP ED a Trip out After the RCD is turned on again Figure 5 16 Trip out current measurement result example Displayed results dianas Trip out current Uci Contact voltage at trip out current I or end value in case the RCD didn t trip cns Trip out time 5 MI 3105 EurotestXA Measurements Testing RCD 5 3 4 RCD Autotest RCD autotest function is intended to perform complete RCD testing and measurement of belonging parameters contact voltage fault loop resistance and trip out time at different residual currents in one set of automatic tests guided by the instrument If any false parameter is noticed during the RCD autotest then individual parameter test has to be used for further investigation RCD autotest procedure RCD Autotest steps Notes o Select the gles function 0 Set sub function AUTO 0 Set test parameters if necessary 0 Connect test cable to the instrument 0 Connect test leads to the tested obj
39. the time to get full power operation of the artificial light sources see technical data for light sources Therefore they should be switched on for at least that period before the measurements are proceeded 6 MI 3105 EurotestXA Measurements 2 Q line loop impedance 5 9 2 20 line loop impedance The measurement is performed with Impedance adapter A1143 It is automatically recognized in Z LINE and Z LOOP functions With this adapter low impedances up to 1999 mQ can be measured The measurement is covered by requirements of the EN 61557 3 standard E Z LINE m L N 20 34 C See chapter 4 2 Single test for functionality of keys lt a CONTINUITY INSULATION AMD mp Figure 5 48 Impedance adapter connected Test parameters for 2 Q line loop impedance measurement Function Z LINE Test Impedance function m L N mO L L Functions Z LINE and Z LOOP Selection of fuse type NV gG B C K D Rated current of selected fuse Maximum breaking time of selected fuse Minimum short circuit current for selected fuse combination See Appendix A for reference fuse data Means no fuse selected Additional key F2 Toggles between result screens Test setup for 2 line loop impedance measurement m Figure 5 49 Connection of impedance adapter to the instrument MI 3105 EurotestXA Measurements 2 Q line loop impedance 2 Q line loop impedance measuring procedure Connect Impedance adapt
40. to the origin of electrical installation see figure 5 25 Press the F1 key to perform the measurement of Zref Keep the AU sub function selected Select test parameters Fuse type must be selected Connect test cable or plug commander to the instrument Connect the test leads to the tested points see figure 5 25 Press the TEST key to perform the measurement After the measurement is finished Store the result optional 64 MI 3105 EurotestXA Measurements Line impedance Voltage drop ETT 22 50 E Z LINE M E LA 20 570 zret 0 4410 N o2 92 n ao Pastas du CONTINUITY INSULATION MID Lm CONTINUITY INSULATION TIL Step 1 Zref Step 2 Voltage drop Figure 5 26 Examples of voltage drop measurement result Displayed results AU Voltage drop EA Prospective short circuit current Licda Line impedance at measured point Zref Reference impedance Voltage drop is calculated as follows AU Zope ly 100 Uy where AU Las calculated voltage drop AA impedance at test point Zner impedance at reference point A rated current of selected fuse Id p eesous nominal voltage see table below Input voltage range L N or L1 L2 93 V UL lt 134 V 185 V lt Un lt 266 V 400 V 321 V lt ULL lt 485 V Note o Ifthe reference impedance is not set the value of Zref is considered as 0 00 Q o The Zref is cleared set to 0 00 QO if pressing F1 key while ins
41. 15 96 of reading The accuracy is valid if Mains voltage is stabile during the measurement PE terminal is free of interfering voltages TENCIA to ea lt 0 5 lan Limit contact voltage 25 Vor50V The Contact Voltage is calculated to lan Standard type or to 2lan selective type 130 MI 3105 EurotestXA Appendix E Reduced low voltage supply systems Trip out time Complete measurement range corresponds to EN 61557 requirements Maximum measuring times set according to selected reference for RCD testing Measuring range ms Resolution ms 0 40 0 40 1 ms For max time see normative references in 4 4 2 this specification applies to max time gt 40 ms WES CURE IN i osobsos vt oi650 97915 919 092929 92 Vox AN AN 2xlAN 5xlAN 5xlan IS not available for lay21000 mA RCD type AC or lan gt 100 mA RCD types A F B B4 2xlan is not available for lay21000 mA RCD types A F or lan gt 300 mA RCD types B B 1xlaw is not available for l4y21000 mA RCD types B B Trip out current Trip out current Complete measurement range corresponds to EN 61557 requirements Resolution la 0 2xlan 1 1xlan AC type 0 05xlan 0 2xlam 1 5xlan A F types lan 230 mA 0 05xlan 0 2xlan 2 2xlan A F types lan 30 mA 0 05xlan 0 2xlaN 2 2xlan B B types 0 05xlAN Trip out time Measuring range ms Resolution ms 0 300 Con
42. 3 5 Storing auto sequence settings sequence number name F2 Opens dialog for storing auto sequence settings in auto Sequence main menu o EJAUTO SEQUENCE TRE The dialog enables storing existing auto sequence 6 settings into different location or overwriting existing TEST EXA CONTINUITY INSULATION L VOLTAGE Z LI Save Autotest Settings Figure 4 12 Store dialog Keys o 0 Select the auto sequence number TEST Confirms the storing ESC Returns to auto sequence main menu without changes Auto sequence settings are stored in nonvolatile memory Stored auto sequence procedures remain in memory until the user changes them lt is not possible to store any auto sequence in locked location Locked auto sequence can be copied in an unlocked location Stored sequence is unlocked in this case MAUTO SEQUENCE _ 09 52 F HAUTO SEQUENCE TEH 7 7 LIVE 3ph RCD LIVE 3ph RCD ZI RENAME E SAVE settings Figure 4 13 Store dialog for locked sequence Figure 4 14 Failed storing It is possible to unlock all locked sequences if necessary see 4 4 5 for more information 30 MI 3105 EurotestXA Instrument operation Automatic testing 4 3 6 Pause flag and comments in auto sequence The auto sequence holds if a pause flag is associated with the measurement and the pre defined comment is displayed When the input conditions are regular the auto sequence can b
43. 5xlAN 0 1 xlAN 0 2xlan 1 5xlan A F types lan 230 0 05xlan A mA 0 2xlAN 2 2xlAN A F types ly lt 30 0 05xlAN t 0 1xlAN mA 0 2xlaN 2 2xlan B B types 0 05xlAN Trip out time Measuring range ms Resolution ms 0 300 Contact voltage 0 15 of reading The accuracy is valid if mains voltage is stabile during the measurement and PE terminal is free of interfering voltages Trip out measurement is not available for lan 1000 mA RCD types B B Specified accuracy is valid for complete operating range 8 4 Fault loop impedance and prospective fault current 8 4 1 No disconnecting device or FUSE selected Fault loop impedance Measuring range according to EN61557 is 0 25 2 19999 O 5 of reading 5 digits Prospective fault current calculated value Measuring range A Resolution A 0 00 9 99 0 01 10 0 99 9 Consider accuracy of fault 100 999 loop impedance 1 00k 9 99k measurement 10 0k 23 0k The accuracy is valid if mains voltage is stable during the measurement Test current at 230 V 6 5 A 10 ms Nominal voltage range 30 V 500 V 14 Hz 500 Hz 103 MI 3105 EurotestXA Technical specifications 8 4 2 RCD selected Fault loop impedance Measuring range according to EN61557 is 0 46 19999 Q Measuring range Q Resolution Q 0 00 9 99 5 96 of reading 10 digits 10 0 99 9 i or 10 of
44. 8 13 General data Power supply voltage 9 Vpc 6x1 5 V battery or accu size AA Opera ucraniana endo typical 13 h Charger socket input voltage 12 V 10 926 Charger socket input current 400 mA max Battery charging current 250 mA internally regulated Overvoltage category 600 V CAT Ill 300 V CAT IV Plug commander overvoltage category 300 V CAT IIl Protection classification double insulation Pollution degree 2 Protection degree IP 40 PUGS e up to 2000 m BIIje rz i e ROT 320x240 dots matrix display with backlight Dimensions w x h x d 23 cm x 10 3 cm x 11 5 cm WINE tanto 1 37 kg without battery cells Reference conditions Reference temperature range 10 C 30 C Reference humidity range 40 RH 70 RH Operation conditions Working temperature range 0 C 40 C Maximum relative humidity 95 RH 0 C 40 C non condensing Storage conditions Temperature range 10 C 70 C Maximum relative humidity 90 RH 10 C 40 C 80 RH 40 C 60 C LOCATON tases sa supports inductive mode Maximum operation voltage 440 V a c Communication transfer speed A bd vierte 115200 baud DS B uto E
45. AT III 600 V CAT IV 300 V 0 Consider that older and some of new optional test accessories compatible with this instrument meet overvoltage category CAT Ill 300 V It means that maximum allowed voltage between test terminals and ground is 300 V 0 Instrument contains rechargeable NiCd or NiMh battery cells The cells should only be replaced with the same type as defined on the battery placement label or in this manual Do not use standard alkaline battery cells while power supply adapter is connected otherwise they may explode 0 Hazardous voltages exist inside the instrument Disconnect all test leads remove the power supply cable and switch off the instrument before removing battery compartment cover 0 All normal safety precautions have to be taken in order to avoid risk of electric shock when working on electrical installations A Warnings related to measurement functions Insulation resistance 0 Do not touch the test object during the measurement or before it is fully discharged Risk of electric shock 0 Automatic discharge of capacitive object will take some time after the finished insulation resistance measurement Warning message E and actual voltage is displayed during discharging until voltage drops below 10 V In no case you should disconnect test leads until tested object is completely discharged 8 MI 3105 EurotestXA Safety and operational considerations Warnings and notes Notes related to measurement functions
46. Android device s Bluetooth configuration tool No code for pairing the devices is needed The instrument and Android device are ready to communicate Notes Make sure that RS232 communication interface is set on the EurotestXA instrument before using Bluetooth dongle A 1436 For setting communication port see chapter 4 4 6 Sometimes there will be a demand from the PC or Android device to enter the code Enter code NNNN to correctly configure the Bluetooth link The name of a correctly configured Bluetooth device must consist of the instrument type plus serial number eg MI 3105 12240429D f the Bluetooth dongle got another name the configuration must be repeated 97 MI 3105 EurotestXA Data handling Operation with barcode scanner 6 8 Operation with barcode scanner Instruments hardware version HW 5 or higher support operation with barcode scanner The main application is to identify barcode labeled installation structure elements How to read data with barcode scanner Note 0 Proper operation is assured only with barcode scanners supplied by METREL 0 For support of different barcode format refer to Barcode reader s manual 0 Maximal length of barcode is 10 characters 98 MI 3105 EurotestXA Maintenance 7 Maintenance Unauthorized person is not allowed to open the EurotestXA instrument There are no user replaceable components inside the instrument except three fuses and batteries under rear cover 7 1
47. ECTRODE cm EI ELECTRODE 2 ELECTRODE3 ELECTRODE4 a conn to MPE aw MPET B EARTHING1 fr GAS amp gpr WATTER Gr HEATING gr TELECOM er CATY h Storing test results 5 RECALL MEMORY yl oe SELECTED 2 10 001 RCD Y 03 Mar 2006 07 46 002 Z LINE 03 Mar 2006 07 46 F1 Ren Zl Change view u RECAL MEMORY om d d E 34 3 FREE 88 75 SELECTED 010 a Rename F 2 Change view RECALL MEMO Y g Esa e pend pita po FREE 99 7 S in 001 INSULATION 03 Mar 2006 07 37 002 CONTINUITY 02 Mar 2006 14 19 003 Z LINE 03 Mar 2006 07 38 004 RCD Y 03 Mar 2006 07 38 g Rename Change view Figure 6 4 Data structure elements 6 3 Storing test results After the completion of a single test or auto sequence the results and parameters are ready for storing E icon is displayed in the information field Press the MEM key to store the results See chapter 6 2 for definitions of displayed fields g SAVE TEST E 001 INSULATION 03 Mar 2006 07 37 002 CONTINUITY 02 Mar 2006 14 15 003 Z LIME 03 Mar 2006 07 32 004 RCD of 03 Mar 2006 07 38 dl Rename El Change view Figure 6 5 Save test menu MI 3105 EurotestXA Data handling Storing test results Keys in save test menu installation data structure field Short press select the location in structure of installation da
48. GS E Instrument settings and measurement parameters and limits are set to their initial values in this menu Unltage System Contrast COM Port Language Function parameters will be set to default SET A Other settings Figure 4 27 Initial settings dialogue 41 MI 3105 EurotestXA Instrument operation Miscellaneous Keys TEST Restores default settings ESC Exits the menu without changes F2 Opens other settings menu Warning 0 Custom made settings will be lost when this option is used The default setup is listed below TN TT Function M Parameter limit value Sub function CONTINUITY R 200 mA R LOWQ High limit resistance value OFF Continuity High limit resistance value OFF INSULATION Nominal test voltage 500 V Low limit resistance value OFF Selected test leads combination LN Fuse type none selected Limit 4 0 96 Lie 0 00 O Z LOOP Protection Fuse Fuse type none selected 2 Q line loop impedance m L N Fuse type none selected RCD Nominal differential current lan 30 mA RCD type AC L non delayed Test current starting polarity lt 0 Limit contact voltage 50 V Current multiplier x1 Earth resistance 3 Wire 3 Wire Limit value OFF Specific resistance Varistor test Lo limit 300 V Hi limit 400 V Other settings F2 Enters menu to select other instrument options 42 MI 3105 EurotestXA Instrument operation Miscellaneous H Other settings
49. NIT BT DONGLE In this menu the Bluetooth dongle A 1436 can be initialized EXTERNAL ET DONGLE SEARCHING Figure 4 32 Bluetooth initialization screen TEST Initializes Bluetooth dongle ESC Exits the menu without changes Initialization of the Bluetooth dongle The Bluetooth dongle A 1486 should be initialized when it is used with the instrument for the first time During initialization the instrument sets the dongle parameters and name in order to communicate properly with PC and other devices via Bluetooth Initialization procedure 1 Connect Bluetooth dongle A 1436 to the instrument 2 Press RESET key on the Bluetooth dongle A 1436 for at least 5 seconds 3 Select INIT BT DONGLE in Other settings menu and press TEST 4 Wait for confirmation message and beep Following message is displayed if dongle was initialized properly 44 MI 3105 EurotestXA Instrument operation Miscellaneous EXTERNAL BT DONGLE SEARCHING OK Notes o The Bluetooth dongle A 1436 should always be initialized before first use with the instrument o If the dongle was initialized by another Metrel instrument it will probably not work properly when working with the previous instrument again Bluetooth dongle initialization should be repeated in that case D For more information about communication via Bluetooth refer to chapter 6 7 Communications and A 1436 manual 4 4 6 Communication port a A COMPORT The communication po
50. ON OFF Z lim 70 0 O Maximum fault loop impedance by default from regulative Circuits for measurement of fault loop impedance poesi i I i ul Figure G 9 Connection of plug cable and universal test cable 147 MI 3105 EurotestXA Appendix G ES1 application of regulative UNE 202008 Fault loop impedance measurement procedure Select the 43Ke e 5 function Select test parameters optional Connect test cable to the EurotestXA Connect test leads to the tested object see figure G 9 Press the TEST key After the measurement is finished store the result optional SEEWTTZ EY 0 66 isc 3514 r 0 64o xr 0 4120 save as RPEcal ON Z lim 70 09 GH IINSULATION 2 LINE ZI TT RCD EA Figure G 10 Example of loop impedance measurement result Displayed results Fault loop impedance se PR Prospective fault current A Resistive part of loop impedance Alcan Reactive part of loop impedance Prospective fault current Isc is calculated from measured impedance as follows l Un x kc SC Z where Un Nominal U pe voltage see table below KSC Correction factor for Isc see chapter 4 4 2 Input voltage L PE 93 V lt Ui pe lt 134 V 230 V 185 V UL pe lt 266 V Notes 0 High fluctuations of mains voltage influence the measurement results The noise sign HiH is displayed in the message field in su
51. Open circuit voltage lt 45Vays Short circuit current 20mA CAT III 600V SE METREL Qubiansa 77 SI 1354 Horjul Measuring and Regulation Tel 386 1 75 58 200 20 224 832 Equipment Manufacturer d d http www metrel si 17 Figure 3 5 Bottom Bottom MI 3105 EurotestXA Instrument description 3 9 Display organization CEEI ES E Rin M Um L Ripe Mn um LL Y Rnpe Ma Um AA TEST ALL gt Ulso 500V Lirrit OFF VOLTAGE 1 EI F salle CONTINUITY gt i Figure 3 6 Typical single test display 3 5 1 Terminal voltage monitor BHINSULATION ALL Ri M Um Ripe M U Rnpe v __MO um TEST ALL Uisa 500 Limit OFF L PE N e c e a J hi E J he INSULATION CONTINUITY Mil Display organization TEY El Menu line Result field Test parameter field Message field Terminal voltage monitor Function tabs The terminal voltage monitor displays current voltages present on the test terminals In its lower part messages are displayed regarding the measured voltages and selected voltage system see 4 4 2 Supply systems L PE WN D s La e pu um L PE N e B bal SLE L PE N e ec ZIEL L PE WN O e n ge L PE N e amp 7 L pl D Lu Lu 1 H supply system AS 13 IT supply system Three phase connection indicator TT TN supply system Re
52. RCD of tested installation if selected rated test current is the same as rated lan of observed RCD However the RCD trip out may occur and Uc measurement is affected because of PE leakage currents caused by appliances that are connected to the tested installation The RCD trip out current test and Uc measurement could be affected as a result potential fields of other earthing installations RCD trip out current and time will be measured only if pretest of those functions gives contact voltage lower than the selected conventional limit contact voltage L and N test terminals are reversed automatically according to detected terminal voltage In case the RCD trips out during safety pretests it is possible to continue measurements just by recovering the RCD Possible reasons for trip out are incorrect RCD sensitivity lan selected or relatively high leakage currents in tested installations or defective RCD MI 3105 EurotestXA Safety and operational considerations Warnings and notes Z LOOP Fault loop impedance measurement trips out the RCD Use the Z LOOP Impedance Protection RCD option to prevent the trip out Fault loop impedance function with selected RCD protection takes longer time to complete but offers much better accuracy then R sub result in RCD Uc function opecified accuracy of tested parameters is valid only if mains voltage is stable during the measurement and no additional operating circuits are connected in parallel L
53. Y RPEcal 0 170 AIL INSULATION 2 LINE 2 La gt Figure G 7 Example of continuity R200mA result 146 MI 3105 EurotestXA Appendix G ES1 application of regulative UNE 202008 Displayed results Hpe Resistance of PE conductor between reference point and tested socket HPEcal PE resistance value of reference socket given in Z LOOP function Notes 0 Warning Measurement is executed on live installation o Pay attention on proper selected location for reference fault loop impedance measurement 0 Measurement can only be done with right polarity of connected test leads o High fluctuations of mains voltage influence the measurement results The noise sign HiH is displayed in the message field in such case Repeat the measurement G 3 3 Fault loop impedance and prospective fault current Fault loop is a loop comprising mains source line wiring and PE return path to the mains source The instrument has ability to measure impedance of mentioned loop and calculate short circuit current and contact voltage regarding the selected circuit breaker type The measurement is covered by requirements of the EN 61557 3 standard see 4 2 Single test for active keys save as RPEcal ON Z_lim 70 09 IINSULATION 2 LINE ARTI RCD En ua Figure G 8 Fault loop impedance Test parameters for fault loop impedance measurement Save as HPEcal Use result as reference value for Ree measurement
54. al del buen estado de las envolventes cubiertas y aislamientos No presencia de roturas o grietas partes quemadas o ennegrecidas etc O 1 1 Cuadro general de protecci n O 1 2 Cajas de derivaci n O 1 3 Accesorios tomas de corriente interruptores etc O 1 4 Tubos canales etc 71 5 Conductores accesibles 2 Protecci n contra contactos indirectos Velen Aplicaci n REBT 1m Figure G 3 Inspections menu Inspection types Item Inspection type Aplicacion REBT 2002 Aplicacion REBT1978 Hasta diciembre 1975 Further keys are active after starting inspection F2 Clears all flags in selected schedule Oo l Select individual item in selected schedule n Selected header line Apply same flag to all items in selected header Selected particular item Apply appropriate result flag to selected item Inspection procedure Select the Jiu sean function Select Inspection type Press TEST key to start inspection Browse through items line by line and apply appropriate flags Press TEST or ESC key to stop inspection Store the inspection result optional 143 MI 3105 EurotestXA Appendix G ES1 application of regulative UNE 202008 MiiHasta diciembre 1975 10 25 Aplicaci n REBT 1973 10 20 REVISION PERIODICA REVISION PERIODICA Protecci n contra contactos directos Protecci n contra contactos directos Comprobaci n visual del buen estado de las Comprobaci n visual del buen estado de la
55. always be lower than the conventional safety limit voltage The contact voltage is measured with a test current lower than Y lan to avoid trip out of the RCD and then normalized to the rated lan Contact voltage measurement procedure Select the 1el function Set sub function Uc Set test parameters if necessary Connect test cable to the instrument Connect test leads to the tested object see figure 5 13 Press the TEST key After the measurement is finished store the result optional Displayed contact voltage is proportional to the rated nominal residual current of the RCD and multiplied by appropriate factor Common factor of 1 05 is applied to avoid negative tolerance of result additional depend on RCD type and type of test current See table 5 1 for detailed contact voltage calculation Contact voltage Uc AGD type proportional to Rated lan 1 O5xlAN 2x1 05xlAN S 1 4x1 05xlAN 2x1 4x1 05xlAN 2x1 05xlAN 2x2x1 05xlAN 2x1 05xlAN n 2x2x1 05xlAN y Table 5 1 Relationship between Uc and lim 99 MI 3105 EurotestXA Measurements Testing RCD Loop resistance result is indicative and calculated from Uc result without additional proportional factors according to R e AN RCD Uc 19 58 E vO m 1 V RI 11 40 i TEST 6 Idn 10mA 12357 0 7 type id Ulim QR INSULATION Z LINE Z L00P Da Figure 5 14 Example of contact vo
56. ance to earth measurement results one clamp Displayed results for earth resistance measurement BON Earth resistance of measured earthing branch An Resistance of S probe A Disnei Resistance of H probe Bi Hesistance to earth of tested system Note 0 Connect test clamp between E test terminal and ground otherwise the parallel resistance of all electrodes RE1 up to RES will be measured 70 MI 3105 EurotestXA Measurements Resistance to earth 5 7 3 Two clamps measurement The measurement is intended for testing of particular earthing branches in earthing system especially in urban areas It is also required by IEC 60364 6 2006 Circuit for two clamps measurement NS WAE Figure 5 37 Resistance to earth two clamps measurement of lighting protection Resistance to earth two clamps measurement procedure Select the 2454 14 function Select two clamps measurement Enable and set limit optional Connect test clamps to the instrument Connect test clamps to the tested object see figure 5 37 Press the TEST key After the measurement is finished store the result optional Red TU CURRENT SENSOR Figure 5 38 Example of resistance to earth measurement result two clamps Displayed results for earth resistance measurement RTT Earth resistance Note o0 The distance between clamps should be at least 30 cm 1 MI 3105 EurotestXA Measurements Resistance to earth 5 7 4 Specific earth
57. asic view Tree structure view Figure 6 1 Example of data structure fields 85 MI 3105 EurotestXA Data handling Installation data structure e R amp D dep LIGHT 1 SOCKET 1 SOCKET 2 amp RCDI 3 ER PRODUCT S 3PH SOCKET MOTOR amp m fi RCDI 3 45 OFFICES LIGHT 1 SEM LIGHT ROD amp i ELECTRODEI fy ELECTRODE r1 y ELECTRODE3 re 3 ELECTRODE4 rr conn to MPE Ze MPE1 EARTHING1 Hr GAS Br WATTER fr HEATING Yr TELECOM gt Figure 6 2 Installation structure example as presented on PC Legend Memory operation menu PoE A Installation data structure field Root level in the structure oa o METREL d d 1 level location name 0 1 1 No of selected available locations on this level Sub level level 2 in the structure 0 PRODUCT sub location name 0 2 5 No of selected available locations on this level Sub level level 3 in the structure 0 3PH SOCKET location name o 1 3 No of selected available locations on this level IPH SOCKET 4 3 FREE 99 8 SELECTED 4 6 001 INSULATION 07 Sep 2005 10 18 002 CONTINUITY 07 Sep 2005 10 18 arco werse20 51e2 Results field stored results in the selected location DO 00 Arrows point to existing non displayed structure locations FREE 93 9 Available memory information No of stored test results in selected location No of all stored SELECTED 443 test resul
58. ceeeceeeceeeeseeeseeeeaeeeneeeseeeeaeeens 66 D RESISTANCE O Cd a DR RH POFI PRI MnE OIM IPM IAN MONIO DM TM IRI 68 5 7 1 Standard 3 wire MeasureMenNt ocooccccoccncccnccocnnonnncncnnnnnnoncnnnonononnnonnnnnnnnnannnnnnnnaninnnoss 68 5 7 2 One Clamp measurement 2 nee EQ EN 70 5 7 3 Two clamps measure tana iaa 71 5 7 4 Specific earth resistance measurement cccoccnccnccncnncnncnnnnoncnnnnnnncnnnnnnnnnnonnnnnoneninonos 72 Oe CURSE PC OO E CA 73 9 39 Sensors a a adapter amo uss odd tu sesto o evo se D ids esa dd d ue adds dtes 75 5 9 1 O o 75 5 9 2 2 Meloo p I n Dedari6e ep e es Stier rata pi etie iic d I Ed 77 O PE o ena 79 Oot LOCA O Rm 81 m B id ue M TERT T IEEE 83 6 Dala Man GN inusitada dada 85 Ol Memory organizan TASA AAA AA A 85 62 IMStalati n data SUCHTE serrat Ire 85 D 9 SONN TOSEFOSUNS audacia ici 88 6 3 1 Saving results specialties ost n er rnt ias 89 6 4 Recalling test results and parameters oocccoccncoccnccccnccncnnoncnonnnncnnnncononcnnnnonnnncnnons 90 6 4 1 SC IG OS UN ete e hr RE 90 5 5 GICANING AAA eeeeen Cae SN CUL P LUE CIE QE 91 6 5 1 Glearind Special 5 59 59 duet an tc a itid ua 92 6 6 Editing installation data StruCture ooccconcnccnnnconcnccnnncnnnncnncncnnnnonnnnnonencnncncnncnnnnros 93 6 6 1 PAGING Mew OCA ION ui dia 93 67 COMMUNICA ensena 96 6 7 1 USB and RH95232 communieallOl cid 96 6 7 2 Bluetoothni CONAN UI Cali a Lica 97 6 8 Operation w
59. ch case Repeat the measurement o Isc is not calculated in case the terminal voltage monitor does not detect voltage state that corresponds to the selected supply system indication 0 This measurement will trip out RCD in RCD protected electrical installation if FUSE is selected as breaking device instead of RCD 148 MI 3105 EurotestXA Appendix G ES1 application of regulative UNE 202008 G 3 4 Line impedance and prospective short circuit current Line impedance is measured in loop comprising of mains voltage source and line wiring L and N It is covered by requirements of the EN 61557 3 standard See 4 2 Single test for keys functionality SEMT 10 32 IINSULATION MID 2 LooP RcD En um Figure G 11 Line impedance Test parameters for line impedance measurement FUSE Rated current of fuse 6 A 10 A 16 A 20 A 25 A Maximum line impedance for selected fuse Means no fuse selected Circuit for measurement of line impedance AA f Ani i Ro RE il 8 Figure G 12 Phase neutral or phase phase line resistance measurement connection of plug commander and universal test cable Line impedance measurement procedure Select the 28h 3 function Select test parameters optional Connect test cable to the instrument Connect test leads to the tested object see figure G 12 Press the TEST key After the measurement is finished store t
60. cncnccccnccccccocccoccconcncncnconcnnnonononononoss 136 F 2 3 IT modification CONTINUITY LOOP Re enic 138 F 2 4 CH modification Change Ni oscars eae pea i apto prete ro nere HERE EIE 140 G Appendix G ES1 application of regulative UNE 2020068 141 SJ Malena naaa 141 G 1 1 IFAS DE CHO BN tT 141 Gre MSCE OUS sa aaa ecm Mem vME 142 G 2 1 CD SATOMI MI OCC ri S a o 142 G3 EEE o A o OE 142 G 3 1 ASPECION Symantec o und teca ica 143 G 3 2 Resistance to earth connection and equipotential bonding 144 G 3 3 Fault loop impedance and prospective fault current occooccoccconconionnconicnncnnnns 147 G 3 4 Line impedance and prospective short circuit current ooccoocccocccnncnconcnnncnnnnnnnnenos 149 H Appendix H DK modifICallOTiS oir iii 151 H 1 Fault loop impedance and prospective fault current sssssssee 151 MI 3105 EurotestXA Preface 1 Preface Congratulations on your purchase of the instrument and its accessories from METREL The instrument was designed on basis of rich experience acquired through many years of dealing with electric installation test equipment The multifunctional hand held installation tester EurotestXA is intended for all tests and measurements required for total inspection of electrical installations in buildings In general the following measurements and tests can be performed 0 True rms voltage
61. current protection for household and similar use IEE Wiring Regulations In service safety inspection and testing of electrical equipment Note about EN and IEC standards Text of this manual contains references to European standards All standards of EN 6xxxx e g EN 61010 series are equivalent to IEC standards with the same number e g IEC 61010 and differ only in amended parts required by European harmonization procedure 13 MI 3105 EurotestXA Instrument description Front panel 3 Instrument description 3 1 Front panel Legend 1 ON OFF 2 HELP 3 F2 4 F1 5 MEM 6 ESC 7 TAB 9 Cursor keypad with TEST key BACKLIGHT CONTRAST 10 LCD L7 EurotestXA Figure 3 1 Front panel owitches the instrument power on or off The instrument automatically turns off 15 minutes after the last key was pressed Accesses help menus Adds new memory location Confirmation of name entered in edit mode Enters memory editing mode Deletes character on the left in edit mode Handling with memory Exits selected and displayed option Jumps between display windows Cursors Selection of tested function and its working parameters TEST Initiates measurements Acts also as the PE touching electrode Changes backlight level and contrast 320 x 240 dots matrix display with backlight 14 MI 3105 EurotestXA Instrument description Connector panel 3 2 Connector panel Figure 3 2 Connector panel Legend
62. d and is not stored yet the auto sequence can be performed TEST EXA1 anyway TeSTEXXt Optional sequence name see 4 3 4 H Indication of locked sequence see 4 3 2 4 3 2 Auto sequence set Keys in main auto sequence menu TEST otarts the selected test sequence 0 0 Select the test sequence number or measuring function see 4 3 1 0 0 Select individual sequence step measuring function TAB Enters test parameter field see 4 3 3 ESC Exits auto sequence menu without changes Enters editor for renaming selected test sequence and entering its F1 description see 4 3 4 Enters menu for setting pause flag and comments see 4 3 7 F2 oaves entered test sequence see 4 3 5 MEM otores recalls auto sequence results RUAUTO SEQUENCE _15 40 8 AUTO SEQUENCE _ 01 06 8 CONTINUITY LJINSULATION Function selection Parameter selection Figure 4 7 Examples of setting up auto sequence For each of 6 predefined sequence steps any of the following measurement function can be selected voltage continuity insulation Zline Zloop RCD and earth The field can also be left empty Test parameters are applied to individual measurements as in the single test The test parameter menu of selected measurement is available on the right side of the display The pause Il flag holds the auto sequence until prosecution is confirmed with the TEST key It is recommended to use it if additional c
63. duced low voltage supply system L N polarity changed First fault in IT supply system Check monitored voltages to fix the problem 18 Online voltage is displayed together with test terminal indication L and N test terminals are used for selected measurement L and PE are test terminals N terminal should also be connected for reference in measuring circuit Polarity of test voltage applied to the output terminals Insulation test two measuring terminals should be shorted Unknown supply system atypical voltage at input terminals for selected MI 3105 EurotestXA Instrument description Display organization E Warning Phase voltage on the PE terminal Stop the activity immediately and eliminate the fault connection problem before proceeding with any activity 3 5 2 Menu line In the menu line the name of the selected function is displayed Additional information about active cursor TEST keys and battery condition are shown Function name Time A Active keys on cursor TEST keypad ll and TEST in this Ds example 1 iL Battery capacity indication Low battery Battery is too weak to guarantee correct result Replace or recharge the battery cells Recharging in progress if power supply adapter is connected 3 5 3 Message field In the message field different warnings and messages are displayed kj 323380 H T x DIR e es Warning High voltage is applied to the test
64. e Measuring range V Resolution V 0 550 2 of reading 2 digits FOSUIUTVDOL iioii e o True r m s trms Nominal frequency range 0 Hz 14 Hz 500 Hz 8 6 3 Frequency Measuring range Hz Resolution Hz 0 00 999 99 0 2 of reading 1 digit Nominal voltage range 10V 550 V 8 7 Online terminal voltage monitor Measuring range V Resolution V 10 550 2 of reading 2 digits 105 MI 3105 EurotestXA Technical specifications 8 8 Earth resistance Earth resistance three wire method Measuring range according to EN61557 is 0 67 Q 9999 Q Measuring range Q Resolution O 0 00 19 99 0 01 20 0 199 9 3 of reading 3 digits 200 1999 5 of reading 2000 9999 10 of reading Additional spike resistance error if Re max or Rp max is exceeded 5 of reading 10 digits PAC AMA NT 100 Re or 50 kQ whichever is lower A cT 100 Re or 50 kQ whichever is lower Automatic test of probe resistance yes Additional error at 3 V noise 50 Hz 5 96 of reading 10 digits Automatic test of voltage noise yes Noise voltage indication threshold 1 V 50 Q worst case Open terminal test voltage 40 Vac Test voltage frequency 125 Hz Short circuit test current 20 mA Earth resistance one clamp method Measuring range
65. e PC automatically identifies the instrument and enables data transfer between the instrument and the PC There are three communication interfaces available USB RS 232 and Bluetooth 6 7 1 USB and RS232 communication For setting USB or RS 232 communication interface see chapter 4 4 6 PS 2 RS 232 cable minimum connections 1 to 2 4 to 3 3 to 5 PS 2 for MI 3101 9 pin D female for PC Figure 6 21 Interface connection for data transfer over PC COM port How to establish an USB or RS232 link o Inthe MISC select appropriate communication interface USB RS 232 RS 232 selected connect a PC COM port to the instrument PS 2 connector using the PS 2 RS232 serial communication cable USB selected connect a PC USB port to the instrument USB connector using the USB interface cable o Power on the PC and the instrument o Run the program EurolinkPRO 0 The PC and the instrument automatically recognize each other 0 The program on the PC enables the following possibilities Downloading data Clearing storage Changing and downloading user data Preparing a simple report form Preparing a file for exporting to a spreadsheet The program EurolinkPRO is a PC software running on Windows XP Windows Vista Windows 7 and Windows 8 Read the file README EuroLink txt on CD for instructions about installing and running the program Note 0 USB drivers should be installed on PC before using the USB interface Refer to USB insta
66. e achieved only when fault loop impedance is lower than 1 Q RCD Uc 23 04 Tests are carried out for both combination L1 PE and L2 PE automatically Each individual test result is accompanied with appropriate indication Qm INSULATION 2 LINE 2 LOOP Ii mp Figure E 3 RCD Uc test If input voltage is out of range it is displayed on terminal voltage monitor together with the indicator of disabled test Lx E 3 1 3 Line impedance test Measured impedance represents Line Line impedance Z 1 12 Nominal system voltage for calculation of Ipsc is set to 110 V Nominal system voltage range for line impedance measurement is 90 V to 121 V If input voltage is out of range it is displayed on terminal voltage monitor together with the indicator of disabled test x E 3 1 4 Fault loop impedance tests Definition of nominal system voltage for calculation of lpsc is changed to 0 55 V for single phase center tap system selected 0 68 V for three phase system selected Tests can be carried out for both combination L1 PE and L2 PE Each individual test result is idi isst ee accompanied with appropriate indication diis INSULATION 2 1INDENTD RCD gt Figure E 4 Fault loop impedance Nominal input voltages are 44 V x Uinp lt 61 V for single phase 55 V system 56 V lt Uinp x 70 V for three phase 63 V system If input voltage is out of range it is displayed on terminal voltage monitor tog
67. e and the battery could be discharged 0 Remove all battery cells from the battery compartment if the instrument is not used for longer period 0 Do not charge alkaline battery cells 11 MI 3105 EurotestXA Safety and operational considerations Battery and charging 0 Take into account handling maintenance and recycling requirements that are defined by related regulatives and manufacturer of alkaline or rechargeable batteries 0 Use only power supply adapter delivered from manufacturer or distributor of the test equipment to avoid possible fire or electric shock 2 2 1 New battery cells or cells unused for a longer period Unpredictable chemical processes can occur during charging of new battery cells or cells that were unused for a longer period more than 3 months Ni MH and Ni Cd battery cells are affected to capacity degradation sometimes called as memory effect As a result the instrument operation time can be significantly reduced Recommended procedure for recovering battery cells Procedure Notes 0 Completely charge the battery At least 14h with in built charger n Completely discharge the battery icd with normal work with the 0 Repeat the charge discharge cycle for Four cycles are recommended at least two times Complete discharge charge cycle is performed automatically for each cell using external intelligent battery charger Notes 0 The charger in the instrument is a pack cell charger This mean
68. e compensated The instrument compensates following Continuity subfunctions Compensation NPE E Same compensation for both 7 mA and 200 Short N and PE terminals mA measurements Compensation LPE B Same compensation for both 7 mA and 200 Short L and PE terminals mA measurements 52 MI 3105 EurotestXA Measurements Continuity Circuits for compensating the resistance of test leads PELS3 PE L3 PE L3 N L N L2 N L2 extension lead Figure 5 11 Shorted test leads examples for N PE Compensation of test leads resistance procedure Select the een HINA function any Connect test cable to the instrument and short N PE or L PE terminals see figure 5 11 Press the F1 key to open test leads resistance compensation menu Press the TEST key for measurement and compensation of test leads resistance Press the ESC key to return to function menu 0 20 Q is limit value for test leads resistance compensation 53 MI 3105 EurotestXA Measurements Testing RCD 5 3 Testing RCDs Various test and measurements are required for verification of RCD s in RCD protected installations Measurements are based on the EN 61557 6 standard The following measurements and tests sub functions can be performed 0 Contact voltage 0 Trip out time o Trip out current 0 RCD autotest RCD Tripout time t 11 56 see chapter 4 2 Single test for functionality of keys qe INSULATION 2Z LINE 2 LOOP TT m Fi
69. e continued by pressing the TEST key AUTO SEQUENCE 22 58 USE PLUG COMMANDER CONNECT MAINS Fuse Type Show Comments Comment appears with the pause Blinking pause flag in main screen Figure 4 15 Examples of screens during the pause in auto sequence Keys TAB Toggles between comment screen and auto sequence main screen TEST Continues with the paused test F1 Skip paused test ESC Skip all tests and ends auto sequence 4 3 7 Setting pause flag and comments Operator of the instrument can prepare comments regarding the measurements Warnings reconnection hints or other useful remarks related to the test sequence can be applied this way Enters pause set up and comments menu for selected function in auto F1 i sequence main menu PAUSE COMMENT In Z LINE PAUSE OFF COMMENTS Set up of comments is enabled if pause flag is set to ON Figure 4 16 Pause set up menu 31 MI 3105 EurotestXA Instrument operation Automatic testing Keys og O Enable ON disable OFF pause flag og O Select between pause flag and comments fields TEST Confirms pause and comment selection and returns to auto sequence main menu ESC Returns to auto sequence main menu without changes i H PAUSE COMMENT E Comments set up menu enables selection and editing of the pause comment A ee ES dL Edit Figure 4 17 Comments set up menu Keys og 0 Select between setup o
70. e current indication yes Low clamp current indication yes Additional clamp error has to be considered Specific earth resistance 0 0 99 9 0 1 0 0 99 9 B Principle p 2 r distance He with Re as measured resistance in 4 wire method Accuracy note o Accuracy of the specific earth resistance result depends on measured resistance Re and is as follows Measuring range Q 1 00 1999 5 of measured 2000 19 99k 10 of measured 20 of measured Additional error See Earth resistance three wire method 107 MI 3105 EurotestXA Technical specifications 8 9 TRMS Clamp current 0 0 mA 99 9 mA 0 1 mA 100 mA 999 mA 3 of reading 3 digits 1 00 A 19 99 A 0 01A Input resistance 100 Q Maximum input current 30 mA 230 A 9 current clamp with ratio 1000 1 Measurement principle current clamp ratio 1000 1 Nominal frequency 40 Hz 500 Hz Additional clamp error has to be considered 8 10 Illumination Illumination LUX meter type B Resolution lux 0 0 lux 19 99 lux EA 5 of reading 2 digits 200 lux 1999 lux 2 00 klux 19 99 klux Measurement principle silicon photodiode with V A filter Spectral response error 3 8 96 according to CIE curve COSINE OO lt 2 5 up to an incident an
71. e measurement Enable and set limit optional Connect test cable to the instrument Connect test leads to the tested object see figures 5 32 and 5 33 Press the TEST key After the measurement is finished store the result optional EJEARTH 3 WIRE 14 48 15 2 98 Rp 2 Bo Rod EU CURRENT SENSOR Figure 5 34 Example of resistance to earth measurement results 3 wire Displayed results for earth resistance measurement ENT Earth resistance FAC PER Resistance of S probe A Diosas Resistance of H probe 69 MI 3105 EurotestXA Measurements Resistance to earth 5 7 2 One clamp measurement The measurement supports testing of particular earthing branches in earthing system KO b N N E HET Beg N HE2 SERE NNNN Circuit for one clamp measurement q I V V ea N JJ O 3 4 A gt 5d Figure 5 35 Resistance to earth measurement with a current clamp Resistance to earth one clamp measurement procedure Select the 245414 function Select one clamp measurement Enable and set limit optional Connect test cable and clamp to the instrument Connect test leads and clamp to the tested object see figure 5 35 Press the TEST key After the measurement is finished store the result optional HEARTH 9 TEX E 5 4 7 Re 2 980 FeO do Rp 2 Bo Rod TU CURRENT SENSOR Figure 5 36 Example of resist
72. e measurement is finished store the result optional EXEAT 1 82 isc 1264 amp 1 280 x 1 290 TEST Rs RCD Rlim 50009 m NsuLaTION Z LINE CIT T RCD Eaim E Z LOOP 05 44 8 1 07 Y isc 2154 amp 0 8 4o xr 0 660 Beskyttelse RCD Fuse Type D Fuse 4A Fuse T 5s Isc_lim 21 64 Qm NSULATION Z LINE AIJA RcD En um m Z LOOP A 1 3 isc 1084 amp 1 760 xr 1 200 Beskyttelse Sikring Fuse Type D Fuse I 4n Fuse T 5s Ilsc lim 21 64 u NsuLaTioN C LiNE EET T RCD EAI Figure H 3 Examples of loop impedance measurement results Displayed results rn Fault loop impedance CA Prospective fault current Roran Resistive part of loop impedance az Reactive part of loop impedance 152 MI 3105 EurotestXA Appendix H DK modifications Prospective fault current Isc is calculated from measured impedance as follows jp Unx kso SC Z where AAA Nominal U_ pe voltage see table below KSC cues Correction factor for Isc see chapter 4 4 2 Input voltage L PE 93 V UL PE lt 134 V 230 V 185 V UL pe lt 266 V Notes o High fluctuations of mains voltage influence the measurement results The noise sign HiH is displayed in the message field in such case Repeat the measurement o Isc is not calculated in case the terminal voltage monitor does not detect voltage state that corre
73. e phase system 66 MI 3105 EurotestXA Measurements Voltage frequency phase sequence Voltage measurement procedure Select the Wie w Xels function Connect test cable to the instrument Connect test leads to the tested object see figures 5 28 and 5 29 Store current measurement result optional Measurement runs immediately after selection of 4e mp els function Eu VOLTAGE TRMS de TEN E u21 39 1v 149 994 u31 39 1 v 41 2 3 u32 390v ENRVOLTAGE TRMS d PETI u21 39 1v 150 004 u31 39 1v 43 2 1 u32 39 1v Li L3 L2 ena um m Li L3 L2 EUREN Eu n LIBI SICONTINUITY INSULATION gt Meet ICONTINUITY INSULATION mb Figure 5 30 Examples of voltage measurement in three phase system Displayed results for single phase system Da AA Voltage between phase and neutral conductors Ulpe Voltage between phase and protective conductors Unpe Voltage between neutral and protective conductors anian frequency Displayed results for three phase system Uie eaea Voltage between phases L1 and L2 U13 Voltage between phases L1 and L3 B2 m Voltage between phases L2 and L3 12250 A Correct connection CW rotation sequence Se PP Invalid connection CCW rotation sequence Desi frequency 67 MI 3105 EurotestXA Measurements Resistance to earth 5 Resistance to earth Resistance to earth is important for protection against electric shock Thi
74. e values 64 steps Absolute maximum overload voltage 265 V Calculated insulation leakage current Measuring range mA Resolution mA Note 0 0 19 9 calculated value 126 MI 3105 EurotestXA Appendix E Reduced low voltage supply systems E Appendix E Reduced low voltage supply systems E 1 Standard reference BS7671 E 2 Fundamentals opecial supply systems are applied where inherent protection to electric shock is required but no SELV used Reduced low voltage supply with ground reference can be used for this purpose There are two options with 110 V nominal voltage L1 55 V 1PE 110 V 55 V 2 0 Single phase with center tap connected o Three phase star connection center tap to PE 1 e 2x 55 V connected to PE i e 3 x 63 V 0 No neutral line 0 No neutral line Figure E 1 General reduced low voltage supply systems E 3 MI 3105 guides The user has to select the reduced low voltage supply system in the instrument before testing it The procedure for selecting the reduced low voltage supply system is defined in chapter 4 4 2 Supply system Isc factor RCD standard Once the reduced low voltage system is selected the instrument can be used immediately The instrument keeps selected reduced low voltage system when it is turned off When the instrument detects appropriate voltage levels for selected reduced low voltage system the terminal voltage monitor shows reduced low vo
75. ect see figure 5 13 o Press the TEST key otart of test Test with Yexlan 0 step 1 RCD should not trip out o Test with Yexlan 180 step 2 RCD should not trip out RCD should trip out E Testun 180 slep PCD should pout o Test with lan 180 step 4 RCD should trip out 5 TectwithSrig O lps POD should pout o Test with 5xlan 0 step 5 RCD should trip out E Test uith Sxia 160 step6 ROD should pout o Test with 5xlan 180 step 6 RCD should trip out 0 Re activate RCD uuu After the measurement is finished store the result optional End of test Result examples RCD AUTO FRITI RCD AUTO FRITI 2500 ms t t 2500ms i ms ms Uc 2 0v PE NM e m pen m NsuLaTioN LINE Z LooP TT a NSULATION Z LINE 2 L00P TT Step 1 Step 2 58 MI 3105 EurotestXA Measurements Testing RCD RCD AUTO 22 10 RCD AUTO 22 10 ta gt 500 ms i ta gt 500 ms i tod AG 1 ms t 220 1 ms Uc 2 0v e y e e ee m NsuLaTiON Z LINE Z LooP GTT m m NsuLnTiON LINE 2 LooP TT mp Step 3 Step 4 RCD AUTO 22 10 EURCD AUTO FRE ta gt 500 ms t 108 4ms a t 108 4ms ta gt 500 ms i ms gt 500 ms t1 08 4 V t 0 220 1 ms 226 1 Uc 2 0v PE M L N e a e a a Cay u INSULATION 2 LINE Z LooP Gm u INSULATION 2 LINE Z LooP Gm Step 5 Step 6 Figure 5 17 Individual steps in RCD autotest
76. ed off or the Keep pressed for 1 s key is pressed again Keep pressed for2s Bargraph for LCD contrast adjustment is displayed CONTINUITY R200mA 12 36 LCD CONTRAST TEST R200mA Limit OFF VOLTAGE in a INSULATION Ep Figure 3 8 Contrast adjustment menu Keys for contrast adjustment Reduces contrast Increases contrast TEST Accepts new contrast ESC Exits without changes 21 MI 3105 EurotestXA Instrument description Carrying the instrument 3 6 Carrying the instrument With the neck carrying belt supplied in standard set various possibilities of carrying the instrument are available Operator can choose appropriate one on basis of his operation see the following examples The instrument hangs around operators neck only quick placing and displacing The instrument can be used even when placed in soft carrying bag test cable connected to the instrument through the front aperture 3 Instrument set and accessories 3 7 1 Standard set Instrument Soft carrying bag Short instruction manual Product verification data Three alligator clips Current clamp Power supply adapter CD with instruction manual mo rr rm a aa fn a a Hh a HH A Lc Warranty declaration handbook Measurements on Declaration of conformity electric installations in theory and Universal test cable practice PC software Three test tips 0 USB interface cable Schuko plug commander 0 RS232 inte
77. ed phase and protection conductors PE L3 lt lt MOST DANGEROUS N L2 9 LN i SITUATION Doo hay A In il d ll ul ra Figure 5 52 Reversed L and PE conductors application of universal test cable 79 PE test terminal MI 3105 EurotestXA Measurements PE test terminal PE terminal test procedure Connect test cable to the instrument Connect test leads to the tested object see figures 5 51 and 5 52 Touch PE test probe the TEST key for at least one second If PE terminal is connected to phase voltage the warning message is displayed instrument buzzer is activated and further measurements are disabled in Z LOOP and RCD functions Warning o f line voltage is detected on the tested PE terminal immediately stop all measurements find and remove the fault Notes o ln main and miscellaneous menus the PE terminal is not tested o PE test terminal does not operate in case the operators body is completely insulated from floor or walls 80 MI 3105 EurotestXA Measurements Locator 5 11 Locator This function is intended for tracing mains installation like 0 Tracing lines 0 Finding shorts breaks in lines 0 Detecting fuses eo The instrument generates test signals that can be traced with the handheld tracer receiver R10K See Locator appendix for additional information LANGUAGE SYSTEM MEMORY Figure 5 53 Locator entry point Parameter
78. elative humidity gt 85 96 In case the instrument gets moistened the results could be impaired In such case it is recommended to dry the instrument and accessories for at least 24 hours The error in operating conditions could be at most the error for reference conditions specified in the manual for each function 5 of measured value The number of possible tests gt 1200 with a fully charged battery Auto discharge after test 100 MI 3105 EurotestXA Technical specifications 8 2 Continuity 8 2 1 Resistance R200mA L PE N PE Measuring range according to EN61557 is 0 16 Q 1999 Q Measuring range R Q Resolution Q 0 00 19 99 3 of reading 3 digits 20 0 199 9 ei 200 1999 M i 2000 9999 i EE Indicator only Measuring range R R Q Resolution Q 0 00 19 9 04 5 ofreading 5 digits 20 0 199 9 6 200 1999 ee 2000 9999 PE 3 Indicator only Open circuit voltage 6 5 VDC 9 VDC Measuring current min 200 mA into load resistance of 2 Test lead compensation up to 20 O The number of possible tests 2000 with a fully charged battery Automatic polarity reversal of the test voltage 8 2 2 Resistance H7mA L PE N PE Measuring range Q Resolution Q 0 0 19 9 20 1999 5 96 of reading 3 digits 2000 9999 Indicator only Open circuit voltage
79. election of fuse type NV gG B C K D Rated current of selected fuse Maximum breaking time of selected fuse Minimum short circuit current for selected fuse combination See Appendix A for reference fuse data Select RCD to prevent trip out of RCD in RCD protected installation Means no fuse selected Circuits for measurement of fault loop impedance LUI Figure 5 19 Connection of plug cable and universal test cable 60 MI 3105 EurotestXA Measurements Fault loop impedance Fault loop impedance measurement procedure Select the 43Ke e 5 function Select test parameters optional Connect test cable to the EurotestXA Connect test leads to the tested object see figure 5 168 Press the TEST key After the measurement is finished store the result optional pa TT TRE U E Z LOOP 20 05 LI 4 43 Y 4 32 isc 5 3 2 4320 xr 0 250 L PE n a 4 m 4 420 xr 0 290 PE W 239 Protection RCD ERES TUNE Reo EARTH QE INSULATION Z LINE EARL RC mp Figure 5 20 Examples of loop impedance measurement result Displayed results Ena Fault loop impedance ISC Prospective fault current A Resistive part of loop impedance Alai Reactive part of loop impedance Prospective fault current Isc is calculated from measured impedance as follows l Unx kc SC 7 where Un Nominal U pe voltage see table below KSC
80. ement TEST Selection of sub function Z AU FUSE Type Selection of fuse type NV gG B C K D FUSE Rated current of selected fuse FUSE T Maximum breaking time of selected fuse Minimum short circuit current for selected fuse combination See Appendix A for reference fuse data Means no fuse selected Additional test parameters for voltage drop measurement Maximum voltage drop 3 0 9 0 9 62 MI 3105 EurotestXA Measurements Line impedance Voltage drop 5 5 1 Line impedance and prospective short circuit current Circuit for measurement of line impedance Ro RE LT il Figure 5 23 Phase neutral or phase phase line impedance measurement connection of plug commander and universal test cable Line impedance measurement procedure Select the 28h13 function select the Z sub function Select test parameters optional Connect test cable to the instrument Connect test leads to the tested object see figure 5 23 Press the TEST key After the measurement is finished store the result optional El Z LINE El Z LINE 0 57 Y 0 34 Y isc 3204 R0 570 xr 0 050 E 0 330 xr 0 0 7o L PE N L1 L3 L2 e e ze bi l sot nte de CONTINUITY INSULATION CETT Zim Line to neutral Line to line Figure 5 24 Examples of line impedance measurement result Displayed results A Line impedance erre Prospective short circuit current RN Resistive part of l
81. ent Idn Rated RCD residual current sensitivity lan 10 mA 30 mA 100 mA 300 mA 500 mA 1000 mA u RCD type AC A F B B starting polarity z amp selective S general delayed G characteristic MUL Actual test current relative to rated Idn 1 1 2 5 Ulim Conventional touch voltage limit 25 V 50 V Note 0 Selective time delayed RCDs and RCDs with G time delayed characteristic demonstrate delayed response characteristics They contain residual current integrating mechanism for generation of delayed trip out However contact voltage pre test in the measuring procedure also influences the RCD and it takes a period to recover into idle state Time delay of 30 s is inserted before performing trip out test to recover S type RCD after pre tests and time delay of 5 s is inserted for the same purpose for G type RCD 135 MI 3105 EurotestXA Appendix F Country notes Modification of the chapter 5 3 1 Contact voltage Uc RCD type proportional to Rated lan 2x1 05xlAN 1 4x1 05xlAN 2x1 4x1 05xlAN 2x1 05xlAN 30 mA 2x2x1 05xlAN 2x1 05xlAN 2x2x1 05xlAN on Table F 1 Relationship between Uc and lan Technical specifications remain the same F 2 2 ES modification CONTINUITY LOOP Re The procedure is intended for measurement the resistance of PE wiring between
82. er to the instrument see figure 5 49 Select the functions ag Miis or Va eje x Enable and set limit value optional Power ON the Impedance adapter ON OFF key green LED lits Connect Impedance adapter to tested installation Press the TEST key for measurement Store the result optional E Z LINE m L N 20 37 I 21425 be 1614 r1424a 53 00 ind 224W f 50 0Hz q uisa E Z LINE m L N 20 38 8 IscMaxLN 1 69a IscMinLN 102a Iscsti 161a ind 224W f 50 0Hz SA O Figure 5 50 Example of 2 Q line loop measurement results Displayed results Lo Line loop impedance oo Prospective short circuit current BC Resistive part of line impedance Pd E Reactive part of line impedance The following parameters are displayed in sub screen for single phase line impedance measurement IscMaxL N Maximum prospective short circuit current IscMinL N Minimum prospective short circuit current IscStd otandard prospective short circuit current When testing phase to phase line impedance the following parameters are displayed in sub screen IscMax3Ph Maximum three phase prospective short circuit current IscMin3Ph Minimum three phase prospective short circuit current IscMax2Ph Maximum two phase prospective short circuit current IscMin2Ph Minimum two phase prospective short circuit current IscStd
83. ers shall contain CONTINUITY function with sub function LOOP Re PE wire resistance measurement procedure Select the Uy teks els eS mode select auto sequence A Connect test leads to the tested distribution board and the instrument see figure F 1 Press the TEST key After the measurement is finished select auto sequence B Connect test leads to the tested wall socket or consumer and the instrument see figure F 1 Select test parameters optional Connect test cable to the instrument Press the TEST key After the measurement is finished store the result optional 137 MI 3105 EurotestXA Appendix F Country notes LOOP Re T L ECONTINUITY LOOP Re 06 04 B 40 2 Y Re outlet 0 4 TEST LOOP Re Fuse 16 00 Llc 50V LOOP He at distribution board LOOP He at wall socket Figure F 2 Examples of LOOP He measurement results Displayed results RINT Resistance of PE wiring at distribution board Hpe Resistance of PE wiring between distribution board and wall socket He outlet Resistance of complete PE wiring Notes o Resistance Re for distribution board Re DB is kept in the instrument memory until new LOOP Re is done or the instrument initialized see 4 4 5 0 CONTINUITY with LOOP Re sub function operates only with the right connected test connection F 2 3 IT modification CONTINUITY LOOP Re The procedure is intended for measurement the resi
84. essages 3 5 5 Other messages Instrument settings and measurement parameters limits are set to Hard Reset initial factory values for more information refer to chapter 4 8 5 Recalling original settings CAL ERROR Service intervention required 3 5 6 Sound warnings Warning Dangerous voltage on the PE terminal is detected Periodic sound Refer to chapter 5 8 for more information 3 5 7 Help Key HELP Opens help screen The help menu contains some basic schematic connection diagrams to illustrate recommended connection of the instrument to the electrical installation and information about the instrument Pressing the HELP key in single test generates help screen for selected single test function while in other working menus the voltage system help is displayed first Keys in help menu gd l Select neighbour help screen HELP Rotates through help screens ESC Exits help menu 20 MI 3105 EurotestXA Instrument description Display organization EJHELP YVOLTAGE SYSTEM 09 43 EJHELP INSULATION 00 07 E L1 L1 L2 L2 A Aa M NM Tree TN PE L1 L1 L1 ij E gem 110v E 110v i L2 L2 L2 L3 L3 qe al t PE PE oam re 63V RLY 55V RLY NPE L N L PE Figure 3 7 Examples of help screen 3 5 8 Backlight and contrast adjustments With the BACKLIGHT key backlight and contrast can be adjusted Click Toggle backlight intensity level Lock high intensity backlight level until power is turn
85. ether with the indicator of disabled test x 129 MI 3105 EurotestXA Appendix E Reduced low voltage supply systems E 4 Technical specifications Only those technical specifications are listed below that are different to specifications from chapter 8 of this document E 4 1 RCD General Nominal differential currents 10 30 100 300 500 1000 mA Accuracy of actual differential currents O 0 1 I for la lan 2 lAN 5 lAN 0 1 lAN 0 for la 0 5 lAN Maximum nominal differential currents 1000 mA for lan for declared accuracy 500 mA for 2 lAN 100 mA for 5 lan Maximum test current ssssssse 1 A for Z LOOP lt 1 Q Test current shape see sine wave AC pulsed A DC B DC offset for pulsed test current 6 mA typical A iSi ES LEES non delayed S time delayed Test current start Qoo iioi creta ra eoa ets 0 or 180 Nominal input voltage 55 V 63 V 14 Hz 500 Hz Test possibilities L1 PEandL2 PE Contact voltage Uc Measuring range according to EN61557 is 20 0 V 31 0V for limit contact voltage 25V Measuring range according to EN61557 is 20 0 V 62 0V for limit contact voltage 50V Measuring range V Resolution V 0 0 19 9 0 96 15 96 of reading 10 digits 20 0 99 9 di 0 96
86. exlan conce 5 gt 199ms t lt o00me t lt is0m rag haa t gt 1999 ms 130 ms lt ta lt 500 ms 60 ms t lt 200 ms 50 ms t lt 150 ms Trip out times according to ASINZ ain I rM eI dua I f lt 10 Esc t M 80 i Minimum test period for current of Y2xlan RCD shall not trip out Test current and measurement accuracy correspond to AS NZ requirements Maximum test times related to selected test current for general non delayed RCD Maximum test times related to selected test current for selective time delayed RCD Standard EN 61008 EN 61009 EN 60364 4 41 1000 ms 1000 ms BS 7671 2000 ms AS NZ IV 1000 ms 1000 ms 39 MI 3105 EurotestXA Instrument operation Miscellaneous 4 4 3 Memory E MEMORY B In this menu the stored data can be recalled viewed EV ET and cleared See chapter 6 Data handling for more information MEMORY TEST Figure 4 25 Memory options Keys o 0 Select option ESC Exits this option TEST Enters selected option 4 4 4 Date and time mE eS SET DATE TIME E Date and time can be set in this menu Figure 4 26 Setting date and time Keys Selects the field to be changed 0 l Modify selected field ESC Exits date and time setup without changes TEST Confirms new setup and exits 40 MI 3105 EurotestXA Instrument operation Miscellaneous 4 4 5 Initial settings INITIAL SETTIN
87. f pause and comment o 0 Select comment no comment 1 99 F1 Enters edit comments menu for selected comment number TEST Confirms pause and comment selection and returns to auto sequence main menu ESC Returns to auto sequence main menu without changes t Edit comments E Comments can be entered and edited in the Edit SE PLUG COMMANDER CONNECT MAINS comments menu Maximum comment length 250 characters including space and new line characters COX3X2X3Y4XSXSX7YX8X8Y 0000060000058 CL XM NC X P X Xa ROI CT C7 NANA CEK XeX 4 Figure 4 18 Comments edit menu Keys Highlighted key selected symbol or activity 0 0 0 0 Select symbol or activity TEST Enters selected symbol or performs selected activity F1 Deletes last entered symbol in the name line F2 Opens dialog for comment storing ESC Deletes comment immediately after entering the editor Returns to auto sequence main menu without changes 32 MI 3105 EurotestXA Instrument operation Automatic testing mE EE TUTTI E otoring comment opens dialog for storing into selected COMMENT location ADA A J Save Comment to POD jte 9 Ie Where X Xe Cd Figure 4 19 Store dialog for comment Keys o 0 Select comment number TEST Confirms storing the comment and returns ESC Returns to Edit comments menu Note o Itis not possible to overwrite comments associated to locked auto sequences 4 3 8 Building a
88. gle of 85 degress Overall accuracy matches to DIN 5032 Class B standard opecified accuracy is valid for complete operating range Illumination LUX meter type C Resolution lux 0 00 lux 19 99 lux 20 0 lux 199 9 lux 200 lux 1999 lux 1 O of reading 3 digits 2 00 klux 19 99 klux Measurement principle silicon photodiode COSMO ti lt 3 0 up to an incident angle of 85 degress Overall accuracy matches to DIN 5032 Class C standard opecified accuracy is valid for complete operating range 108 8 11 2 Q line loop impedance 8 11 1 High precision line impedance Measuring range according to EN61557 is 12 0 1999 mQ Mesuring range mQ Resolution mQ 0 1 199 9 200 1999 ATA Nominal voltage range 100 V 440V Nominal frequency esses 50 Hz Maximum test current at 400V 26 A 10 ms Calculation of prospective short circuit current standard voltage value 230 V k UL n 230 V 10 96 400 V kk 27 UL 2 400 V 10 Calculation of prospective short circuit current non standard voltage value laxa h C MAE NEU Ling h un EMU i p 4 3 Lox j 43 Z 4 uor lkmax2ph E 0 avin2or eee L L L L HOT I KMAX L N Sux um amina B CO L N L N HOT Zi y Ri Xi Znaor 4M 9xBi E X Zen yRn X n ZinyHot Y 1 Ox Ruy f Xi
89. gure 5 12 RCD test Test parameters for RCD test and measurement TEST RCD sub function test Tripout time t Uc AUTO Tripout current Idn Rated RCD residual current sensitivity lan 10 mA 30 mA 100 mA 300 mA 500 mA 1000 mA Actual test current relative to rated Idn 7 1 2 5 type RCD type AC A F B B starting polarity E ES selective S or general characteristic Conventional touch voltage limit 25 V 50 V Note 0 Selective time delayed RCDs have delayed response characteristics As the contact voltage pre test or other RCD tests influence the time delayed RCD it takes a certain period to recover into normal state Therefore a time delay of 30 s is inserted before performing trip out test by default 54 MI 3105 EurotestXA Measurements Testing RCD Circuits for testing RCD d 4 l l l l E t l l i y m 2222222222222 lt IER DIR SS m JJ O JJ EE a Figure 5 13 Connecting the plug commander and the universal test cable 5 3 1 Contact voltage RCD Uc A current flowing into the PE terminal causes a voltage drop on earth resistance i e voltage difference between PE equipotential bonding circuit and earth This voltage difference is called contact voltage The voltage is present on all accessible conductive parts connected to the PE It should
90. he result optional 149 MI 3105 EurotestXA Appendix G ES1 application of regulative UNE 202008 1 Z LINE TEE H Z LINE 42 45 21 13 isc 3534 R 1 080 x 0 330 0 74 V isc 3444 r0 720 xr 0 160 Fuse Fuse Z lim 2 200 Z lim 2 1 100 dainsuLaTION ANI Z LooP RcD En um INSULATION ATI 2 1 00P RCD Eaim Line to neutral Line to line Figure G 13 Examples of line impedance measurement result Displayed results Lit Line impedance zo Prospective short circuit current A Resistive part of line impedance Xl Reactive part of line impedance Prospective short circuit current is calculated as follows Unx ksc SC Z where Un Nominal L N or L1 L2 voltage see table below KSC Correction factor for Isc see chapter 4 4 2 Input voltage range L N or L1 L2 93 V UL lt 134 V 185 V lt Un lt 266 V 400 V 321 V lt UL lt 485 V Note o High fluctuations of mains voltage can influence the measurement results The noise sign Ad is displayed in the messje na age field in this case Repeat the measurement o Isc is not calculated in case the terminal voltage monitor does not detect voltage state that corresponds to the selected supply system indication 150 MI 3105 EurotestXA Appendix H DK modifications H Appendix H DK modifications DK modifications relate to modified fault loop test
91. hecks or reconnections have to be performed before performing the next measurement 2 MI 3105 EurotestXA Instrument operation Automatic testing The key is indication of locked sequence This indication appears at predefined sequences that were loaded into the instrument from PC It is possible to modify locked auto sequences and run them However the modified sequence cannot be stored by overwriting Note o It is recommended to save current auto sequence if modified or new prepared to keep it during manipulation 4 3 3 Test parameters in auto sequence Keys in test parameter menu in auto sequence 0 0 Select test parameter value or enable disable parameter 0 Select test parameter TEST TAB ESC Return to auto sequence main screen Whenever a new function is selected for auto sequence its test parameters should be verified and changed to appropriate values states Test parameter merging When the prepared sequence from section 4 3 2 contains selected at least two of Zline Zloop or RCD is possible to merge test parameters of one function to others of mentioned in the same sequence Merged parameters are related to fuse data and RCD data except start polarity of test current Additional key in main auto sequence menu with selected Zline Zloop or RCD F2 Merges test parameters HAUTO SEQUENCE JET Figure 4 8 Parameter merging possibility 28 MI 3105 EurotestXA Instrument
92. ine impedance A Reactive part of line impedance Prospective short circuit current is calculated as follows 1 Unx kso sc 7 where 3 Nominal L N or L1 L2 voltage see table below 63 MI 3105 EurotestXA Measurements Line impedance Voltage drop KSC sous Correction factor for Isc see chapter 4 4 2 Input voltage range L N or L1 L2 110 V 93 V lt ULn lt 134 V 230 V 1 85 V xU wv x 266 V 400 V 321 V lt UL lt 485 V Note o High fluctuations of mains voltage influence the measurement results The noise sign HiH is displayed in the message field in this case Repeat the measurement o Isc is not calculated in case the terminal voltage monitor does not detect voltage state that corresponds to the selected supply system indication 5 5 2 Voltage drop The voltage drop is calculated based on the difference of line impedance at connection points sockets and the line impedance at the reference point usually the impedance at the switchboard Circuits for voltage drop measurement Step 1 Step 2 i Figure 5 25 Phase neutral or phase phase voltage drop measurement connection of plug commander and 3 wire test lead Voltage drop measurement procedure Step 1 Measuring the impedance Zref at electrical installation origin Select the ASIS function Select the AU sub function Select test parameters optional Connect test cable to the instrument Connect the test leads
93. ing in Ex areas In normal cases the high impedance to the ground exists and is formed by capacitances of supply wires to the ground plus capacitances between primary and secondary windings of IT supply transformer Minor part is formed by Y capacitors EMC in mains section of connected equipment Selecting appropriate transformer installation cabling and selection of optional high impedance connection to ground can control maximum leakage current Depending on application area additional impedance to the ground can be applied as presented in figure D 1 or through special loading equipment Value of the impedance should begin from 100 Q IT system represents additional level of protection to electric shock In the case of a failure of any line insulation to the PE through equipment failure wrong application or procedure this system is still safe but converted to TN TT type However additional failure is hazardous which means that the insulation has to be continuously checked and repaired immediately after detected failure Supplementary to other protection devices the IT system normally contains insulation monitoring device IMD or system that alarms when insulation resistance or impedance is below set threshold Threshold value depends on environment Typical value for medical installations is 55 kQ In some countries it is not enough to trace insulation resistance of IT supply system to the ground they require tracing of system capacitance
94. interest at that moment Otherwise the test signal will spread all over the installation and the selectivity can fall to an unacceptable level 10 MI 3105 EurotestXA Safety and operational considerations Battery and charging 2 2 Battery and charging The instrument uses six AA size alkaline or rechargeable Ni Cd or Ni MH battery cells Nominal operating time is declared for cells with nominal capacity of 2100 mAh Battery condition is always present on the display when the instrument is turned on In case the battery is weak the instrument indicates this as shown in figure 2 1 This indication appears for a few seconds and then the instrument is turned off BATTERY TEST Iii 6 6V Figure 2 1 Discharged battery indication The battery is charged whenever the power supply adapter is connected to the instrument Internal circuit controls charging assuring maximum battery lifetime Power supply socket polarity is shown in figure 2 2 Figure 2 2 Power supply socket polarity The instrument automatically recognizes connected power supply adapter and controls charging oymbols Indication of battery charging L2 Battery voltage m ho Figure 2 3 Charging indication I A Before opening battery fuse compartment cover disconnect all measuring accessories connected to the instrument and power off the instrument o Insert cells correctly otherwise the instrument will not operat
95. ion data structure Moves focus into result field for selection of surplus result see 6 5 f Enters installation structure tree view to select appropriate location Renames current location Back to the last mode of the instrument Clearing specialties In the result field the particular stored test result can be cleared Keys 0 U TEST Opens dialog for clearing selected test Back to last mode of the instrument ESC be CLEAR TESTS 414 REE 99 7 001 INSULATION 002 CONTINUITY 07 Sep 2005 10 18 003 Z LINE 07 Sep 2005 10 27 004 RCD Y 97 Sep 2005 10 28 Selection of data for clearing a CLEAR TESTS 141 E2 REE 99 7 007 INSULATION 25 May 1970 00 002 CONTINUITY 07 5ep 2005 10 18 003 Z LIME 07 5ep 2005 10 27 004 RCD 2005 10 28 CLEAR TEST Dialog before clear Figure 6 13 Clearing particular test Select stored test Keys in opened dialog O0 25d Select YES NO TEST Confirms selected option ESC Cancels without changes MI 3105 EurotestXA Data handling Editing installation data structure Legend for clearing in installation data structure ME CLEAR TESTS AAA Results in current location 1 6 SUB Locations Results in sub locations CLEAR MEMORY TREE Structure Hemove current location and its TITO sub locations L SUB Locations TREE Structure YES Figure 6 14 Clear in installation data structure menu Keys H U 0 Select optio
96. is functionality helps to organize operation with data in a simple and effective manner The memory organization can be customized according to the actual structure of the tested electrical installation Main benefits are 0 Test results can be organized and grouped in a structured manner that equals the structure of the tested electrical installation If a test plan for verification of electrical installation is prepared it is possible to organize the data structure according to it Each tested location place like room floor installation node switchgear etc can be reflected as its own location in memory 0 Simple browsing through structure and results 0 Test reports can be created with no or little modifications after downloading results to a PC Test procedures can be prepared in advance on the PC and sent to the instrument A new installation structure can be built on the instrument An existing structure can be upgraded on the instrument A name can be assigned to each location O rr rm The data structure can be accessed and updated in each of the three main memory menus store recall clear memory but also through tree structure view f RECALL MEMORY E EC RECALL MEMORY E Laas METREL d d i REE 39 8 SELECTED 4 8 99 SOCKET 1 001 INSULATION 03 Mar 2006 07 37 SOCKET 2 002 CONTINUITY 02 Mar 2006 14 15 003 Z LINE 03 Mar 2006 07 38 004 RCD Y 03 Mar 2006 07 38 OFFICES B
97. istance given by reference loop impedance measurement see G 3 3 Fault loop impedance and prospective fault current COEN Maximum resistance OFF 0 1 Q 20 0 Q Means no fuse selected G 3 2 1 Continuity R200 mA measurement See Chapter 5 2 1 Continuity R200 mA measurement G 3 2 2 7 mA resistance measurement See Chapter 5 2 2 7 mA resistance measurement 145 MI 3105 EurotestXA Appendix G ES1 application of regulative UNE 202008 G 3 2 3 R PE loop measurement It is based on Z Loop measurement which also gives reference value measured at e g switchboard or common coupling point of tested electrical installation Test circuit for R PE loop measurement PELS lt 4 gt N PE L Figure G 6 Connection for reference 1 and socket measurements R PE loop measurement procedure For reference measurement procedure see chapter G 3 3 Fault loop impedance and prospective fault current Select the ee BE TU EAM function Set sub function R PE loop Enable and select Fuse I optional Select maximum touch voltage Uc optional Connect test cable to the instrument Tested installation must be in normal operating condition with mains supply Connect test leads to the tested socket see figure G 6 Press the TEST key for measurement After the measurement is finished store the result optional O MH fH fH fH fH AOA fH Lr CONTINUITY R PE loop 09 57 0 21
98. istor test 2 AA A A II1I12 o lE 44b bL ls 0o Yd ESPE PEE UE PE o DH R1 mains voltage ESI switched off VN permanent loads disconnected Figure 5 58 Connection of universal test cable for varistor test 83 MI 3105 EurotestXA Measurements Varistor test Varistor test procedure Select the Alt ye ms function Set test parameters Disconnect mains supply and consumers from tested overvoltage device Connect test cable to the instrument and tested item see figure 5 58 Press the TEST key for measurement After the measurement is finished wait until tested item is discharged Store the result optional EJVARISTOR TEST TEI G a EARTH CURRENT ZG CLRID SEP Figure 5 59 Example of varistor test result Displayed results A Measured threshold voltage at It 1 mA WAG ia Rated AC voltage Uac is calculated from U according to Uac U 1 6 84 MI 3105 EurotestXA Data handling Memory organization 6 Data handling 6 1 Memory organization The following data can be stored in instrument memory o Auto sequence name sequence and function parameters o Auto sequence and single test results with belonging parameters D Installation structure with belonging data Stored data can be organized according to the installation structure of the tested object Measured results can be stored into corresponding location of the structure 6 2 Installation data structure Th
99. ith barcode SCANNEL cccccccccssccecsecceceeceeseeeecseeeesseeeessaeeesseeeeseaeees 98 7 NAITO NANGCE Si 99 Tol NRCDIACING TUS Sii is is 99 y 2 ASCANIO in 99 CENE diejelesecilscciilo nm TOTUM 99 A JSENIGBI LL MEME o o E E ore 99 8 Technical SDeciTICallOT iS coo ane e cuiu sno canna anna anna enaE eua E uax una E nuRERaEE nasales 100 8 1 MSUN TESI lAN cta Edi e io mt 100 82 Ge uU ST m 101 8 2 1 Resistance R200mA L PE N PE eese nne 101 8 2 2 Resistance BHZmA L PE INSPE Jouets etin aoa emere pats bau Eau So RE pez ura Re caa 101 G RORO A ee a 101 8 3 1 o E TUE 101 8 3 2 Contact Voltage ROD da a hDA Dieu e ie600s 102 MI 3105 EurotestXA Table of contents 8 3 3 TADO TIMO 102 8 3 4 TD ole ia ole la fe q ee REO OO O 103 8 4 Fault loop impedance and prospective fault current ooccconccconccconccnnncnnnnnnnns 103 8 4 1 No disconnecting device or FUSE selected oooccccoocccccnccccconoccconacoconanencnnarononnnens 103 8 4 2 PGI SCICCIOG T M 104 8 5 Line impedance prospective short circuit current and Voltage drop 104 8 6 Voltage frequency and phase rotation oooccoocccccncccccncccconcnconacoconacoconariconacinnnos 105 8 6 1 Phase VOLATOM nce P 105 8 6 2 VOTO ui 105 8 6 3 EE E mee 105 8 7 Online terminal voltage MONItOF
100. lected pause and its comment Next step 35 3 3 7 3 3 1 3 MI 3105 EurotestXA Instrument operation Automatic testing F1 432 Set PAUSE wait to connect mains voltage 0 0 U J437 Select COMMENT U AS Next step 39 O ars FUSE T 5S U Je 4 43 Next step 1 O Enter test parameter selection mode TAPOUL ULENI Test parameters for RCD trip out current test n 30mA type aG 9 3 results of this test are also contact voltage at l lim 50V and trip out time Oo OJ 43 X Nextstep PV 1 5 F1 Z 432 SetPAUSE wait to activate RCD O J J 437 Select COMMENT 0 4x TEST Tripout time t 30mA AJ 53 Test parameters for RCD trip out time test at 5 4 x5 result of this test is also contact voltage at lan 50V Exit parameter mode O 6 x Exit the editing of sequence field F2 J 435 Store prepared test sequence TEST Confirm storing HAUTO SEQUENCE EET erification of wall socket 1 0 protected with fuse and RCD Sock 64 JmA 4C CONTINUITY INSULATION Figure 4 21 Auto sequence screen of the example above 36 MI 3105 EurotestXA Instrument operation Miscellaneous 4 4 Miscellaneous Fan A FO Different instrument options can be set in the WEERMYETES menu o Options are 0 Selection of language E3 E Selection of mains
101. llation instructions available on installation CD 96 MI 3105 EurotestXA Data handling Communication 6 7 2 Bluetooth communication With the optional Bluetooth dongle A 1436 the EurotestXA instrument can communicate via Bluetooth Instruments with hardware version HW 5 or higher support this operation How to configure a Bluetooth link between instrument and PC Switch Off and On the instrument Bluetooth dongle A 1436 must be inserted Be sure that the dongle is properly initialized If not the Bluetooth dongle must be initialized as described in chapter 4 4 5 Initialization of the Bluetooth dongle On PC configure a Standard Serial Port to enable communication over Bluetooth link between instrument and PC No code for pairing the devices is needed Run the EurolinkPRO program The PC and the instrument will automatically recognize each other The instrument is prepared to communicate with the PC Switch Off and On the instrument Bluetooth dongle A 1436 must be inserted Be sure that the dongle is properly initialized If not the Bluetooth dongle must be initialized as described in chapter 4 4 5 Initialization of the Bluetooth dongle 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 Bluetooth link via
102. ltage measurement results Displayed results D e TR Contact voltage RI Fault loop resistance 5 3 2 Trip out time t Trip out time measurement verifies the sensitivity of an RCD at different residual currents Trip out time measurement procedure Select the glee function Set sub function Tripout time t Set test parameters if necessary Connect test cable to the instrument Connect test leads to the tested object see figure 5 13 Press the TEST key After the measurement is finished store the result optional RCD Tripout time t gt 300 V TEST Tripout time t L PE N 30mA e o a INSULATION 2 1INDZ LOOP Figure 5 15 Example of trip out time measurement results Displayed results porros Trip out time LG eres Contact voltage for rated Ian 56 MI 3105 EurotestXA Measurements Testing RCD Note 0 See 4 4 2 RCD normative reference for selection of appropriate standard test conditions 5 3 3 Trip out current A continuously rising residual current is intended for testing the threshold sensitivity for RCD trip out The instrument increases the test current in small steps through appropriate range as follows Slope range RCD type Start value Waveform AC O O Sine A F lan gt 30 mA AIME BB 024 22x DC B Maximum test current is l4 trip out current or end value in case the RCD didn t trip out Trip out current measurement procedure Select
103. ltage system icon RV 127 MI 3105 EurotestXA Appendix E Reduced low voltage supply systems E 3 1 MI 3105 functions and reduced low voltage systems The table below contains EurotestXA functions intended for test and measurement of supply systems with compatibility notes related to the reduced low voltage system system functions Phase rotation RCD Contact voltage Uc RCD Trip out time t Cn NN RCD Tripping current RCD Automatictest Loop functions Fault Loop Impedance Both fault loops Z L1 PE and Z L2 PE Fault Loop Prospective Shortcircuit Current Isc1 and Isc2 for both fault loops Line Impedance Impedance Z Line Line Line Prospective mE Short circuit Current Isc for ULine Line 110 V Independent of selected supply system Independent of selected supply system Independent of selected supply system Disabled E 3 1 1 Voltage measurements ENRVOLTAGE TRMS d TREH u21 110v 150 004 Uipe 55v Uzpe 55v L1 PE L2 e 55 55 118 AU OS ICONTINUITY INSULATION ub Figure E 2 Voltage measurements Displayed results for single phase system U21 Voltage between line conductors Uipe Voltage between line 1 and protective conductors U2pe Voltage between line 2 and protective conductors 128 MI 3105 EurotestXA Appendix E Reduced low voltage supply systems E 3 1 2 RCD tests Maximum regular RCD test current is 1 A r m s 1 4 A peak and can b
104. ment used in controlled EM environments Safety requirements for electrical equipment for measurement control and laboratory use Part 1 General requirements Safety requirements for hand held probe assemblies for electrical measurement and test Electrical safety in low voltage distribution systems up to 1000 V a c and 1500 V d c Equipment for testing measuring or monitoring of protective measures Part 1 General requirements Part 2 Insulation resistance Part 3 Loop resistance Part 4 Resistance of earth connection and equipotential bonding Part 5 Resistance to earth Part 6 Residual current devices RCDs in TT and TN systems Part 7 Phase sequence Part10 Combined measuring equipment Other reference standards for testing RCDs EN 61008 EN 61009 EN 60755 EN 60364 4 41 EN 60364 5 52 IEC 62423 BS 7671 AS NZ 3760 Residual current operated circuit breakers without integral overcurrent protection for household and similar uses Residual current operated circuit breakers with integral overcurrent orotection for household and similar uses General requirements for residual current operated protective devices Low voltage electrical installations Part 4 41 Protection for safety Protection against electric shock Low voltage electrical installations Part 5 52 Selection and erection of electrical equipment Wiring systems Type F and type B residual current operated circuit breakers with and without integral over
105. ments are marked with one of the following symbol after finished test X CONTINUITY Measurement is finished and has failed MINSULATION Measurement is finished and has passed VOLTAGE Measurement is finished No comparison limit was applied C Z LINE Measurement is not performed yet during test or was skipped Overall PASS result is reported if all performed tests passed X Overall FAIL result is reported if one or more performed tests failed JAUTO SEQUENCE _____ 09 47 8 57 LIVE 3ph RCD Fuse Type LJINSULATION Ex Z LINE fal SKIP Figure 4 4 Waiting for right input condition to proceed AUTO SEQUENCE 10 07 es AUTO SEQUENCE 10 05 Ss Figure 4 5 Overall PASS example Figure 4 6 Overall FAIL example Viewing auto sequence particular results o After finished auto sequence press the key 0 to move focus into sequence field Press TEST key Result of selected function is displayed Press the key 0 or TZ to select the next function of the sequence Repeat this part until all results are observed 0 Viewing of the results is finished by pressing the key U until selected sequence number is focused or by pressing the ESC key 26 MI 3105 EurotestXA Instrument operation Automatic testing 4 3 1 Auto sequence number main menu In the instrument up to 99 auto sequences can be stored 3 Auto sequence number Indicator that the preset sequence was change
106. n a Una 400 V 10 76 230 V Uu 400 V Cwmx 1 05 1410 Cuw 095 10 hX 8 11 2 High precision fault loop impedance Measuring range according to EN61557 12 0 1999 mQ Measuring range mQ Resolution mo 0 0 199 9 oi 5 5 ee 200 1999 sic Nominal voltage range 100 V 440 V Nominal frequency esses o0 Hz Maximum test current at 230 V 154 A 10 ms 109 MI 3105 EurotestXA Technical specifications Calculation of prospective short circuit current standard voltage value 230 V le CU U pe 230 V 10 96 Calculation of prospective short circuit current non standard voltage value Cuax X Un rE Cun X Ut p KMAX L PE 7 KMIN L PE 7 L PE L PE HOT 2 2 2 2 Zope Rope Xi pe Li PE HOT Y Dx Bs XL pe Und re 280 V 10 230 V lt Un lt 400 V Coin 8 11 3 Contact voltage Measuring range V Resolution V 0 100 10 3 digits 8 12 Varistor test DC voltage Measuring range V _ Resolution V 0 1000 3 of reading 3 digits AC voltage Measuring range V Resolution V 0 625 Consider accuracy of DC voltage Measurement principle d c voltage ramp Test voltage slope 500 V s Threshold current 1 mA 110 MI 3105 EurotestxA Technical specifications
107. n TEST Confirms option ESC Cancels dialog without changes 6 6 Editing installation data structure Installation data structure when once stored in the instrument can also be modified during use of the instrument Editing possibilities are 0 Adding new location see 6 6 f 0 Modifying the name of selected location 0 Clearing location tree structure see 6 5 f The possibilities are accessible in save recall and clear partly menus 6 6 1 Adding new locations Note o The structure can be expanded to 10 horizontal levels deep and with maximum 2000 storing locations Keys Select the existing location gd U U U Pressed for a few seconds in some cases add a new location in the structure see 6 6 1 F2 Enters installation structure tree view to select appropriate location F1 Henames the current location ESC Back to the last operation mode of the instrument Opens dialog box for adding new location at the same level for2 seconds Active only if selected location is the last in the level Name of the new location Same name as previous 1 Opens dialog box for adding new location at the next sublevel O for2 seconds Active only if there are no sublevels at the selected location Name of the new location 93 MI 3105 EurotestXA Data handling Editing installation data structure Keys in open dialog box o O Select YES NO TEST Confirms selected option ESC Cancels dialog box without changes
108. n auto sequence The instrument supports up to 99 auto sequences each consisting of up to 6 steps It is not necessary that all steps are enabled The auto sequence can be prepared in the following ways 0 By storing the existing auto sequence under another auto sequence number see 4 3 5 0 By changing an existing auto sequence and saving it under the same auto sequence number not possible for locked auto sequence 0 By building a new auto sequence Building a new auto sequence In the main menu see 4 7 select auto sequence Press the TEST key select auto sequence number see 4 3 2 Repeat until finished maximum 6 steps Select auto sequence step see 4 3 2 Select auto sequence function see 4 3 2 Select auto sequence test parameters of the function see 4 3 3 Set reset pause flag II and select or create new comment if necessary see 4 3 7 0 Name or rename the auto sequence and enter its description see 4 3 4 0 Save prepared auto sequence see 4 3 5 O fH fH Cf 33 MI 3105 EurotestXA Instrument operation Automatic testing HAUTO SEQUENCE Figure 4 20 Blank auto sequence Example of building an auto sequence A house installation wall socket protected with fuse type gG In 6 A td 5 s and RCD type AC lan 30 mA shall be tested The following measurements must be performed Equipotential bonding resistance of PE terminal to main PE collector R lt 0 1 Q Insulati
109. nt Maximum current OFF 0 1 mA 100 mA Test circuits for clamp current measurement L1 L2 L3 Figure 5 42 Leakage and load current measurements 3 MI 3105 EurotestXA Measurements Current Current measuring procedure Select the AU iia NE function Set test parameters Enable and set limit value optional Note Connect current clamp to the instrument and tested item see figure 5 42 Press the TEST key to start the measurement Press the TEST key again to finish the measurement Store the result optional ElCURRENT 01 16 TEO ZE CURRENT b Figure 5 43 Example of clamp current measurement result Displayed result m S Current Displayed current represents r m s value for current clamp with ratio 1000 1 Use test clamp supplied by METREL or other with similar characteristics current output ratio 1000 1 appropriate measurement range consider error of test clamp when evaluating measured results Current clamps Metrel A 1074 and A 1019 are suitable for use with the instrument in range of 0 2 A 20 A Below 0 2 A they can be used as indicator only They are not suitable for leakage current measurements The only Metrel current clamp suitable for leakage current measurements is A 1018 1000 A 1 A 4 MI 3105 EurotestXA Measurements Sensors Illumination 5 9 Sensors and adapters This function extends application range of the instrument by using external Metrel sen
110. on resistances between L N L PE and N PE U 500 V R 1 MQ Voltages on the socket Line impedance with fuse verification RCD trip out time at nominal current RCD trip out time at increased current 5 x lan The name of test sequence number 10 is Sock 6A 30mMA AC Description of the test sequence is Verification of wall socket protected with fuse and RCD O MO fH HM BH rm For the measurement the following conditions shall apply o Equipotential bonding resistance and insulation resistance measurement has to be performed on de energized socket 0 Equipotential bonding resistance test see figure 5 6 should be performed with the universal test cable and extension lead o Insulation resistance test should be performed with the plug cable or commander see figures 5 2 and 5 3 o0 Other tests have to be applied on energized test socket with the plug cable or commander see figures 5 13 5 22 and 5 26 Example Chapter Auto sequence TEST e of auto sequence operation in main Fi 434 Enter into sequence name editing menu F1 J 434 Enter the sequence name editor Accept name and exit into sequence name editing menu a a Select description of test field Enter the description of test editor Ho ication of wal of wall 4 3 4 Enter the description socket protected with fuse and RCD MI 3105 EurotestXA Instrument operation Automatic tes
111. operation Automatic testing 4 3 4 Name and description of auto sequence F1 Enters test sequence name menu from auto sequence main menu AUTO SEQUENCE 22 41 name of sequence description of sequence Name and description for the selected auto sequence can be added or changed optional in this two level menu al Edit Figure 4 9 Auto sequence name menu Keys for 1 level o 0 Select between name and description field TEST Returns to auto Sequence main menu F1 Enters editing of selected field 2 level ESC Returns to auto sequence main menu without changes AUTO SEQUENCE 22 44 AUTO SEQUENCE name of sequence description of sequence oa 3 a s G a Ren gadDDUS u E E d Ed SAVE X M x SAVE Figure 4 10 Auto sequence name edit Figure 4 11 Auto sequence description edit menu menu Keys for 2 level Highlighted key Selected symbol or activity o 0 0 0 Select symbol or activity TEST Enters selected symbol or performs selected activity F1 Deletes last entered symbol in the name line F2 Confirms name and returns to 1 level of auto sequence name menu ESC Returns to 1 level of auto sequence name menu without changes 20 characters is the maximum length of the auto sequence name 100 characters is the maximum length of the auto sequence description 29 MI 3105 EurotestXA Instrument operation Automatic testing 4
112. or receiver R10K C Appendix C Locator receiver R10K The highly sensitive hand held receiver R10K detects the fields caused by the currents in the traced line It generates sound and visual output according to the signal intensity The operating mode switch in the head detector should always be set in IND inductive mode The CAP capacitive operating mode is intended for operating in combination with other Metrel measuring equipment The built in field detector is placed in the front end of the receiver External detectors can be connected via the rear connector Traced object must be energized when working with the EurotestXA In built inductive sensor IND Tracing hidden wires Locating wires Locating fuses in fuse cabinets Low battery indicator ON GAIN keys A opening Sensitive area A B CAP IND INDuctive CAPacitive switch Input connector probe current LED bargraph Potentiometer clamp Bower tn for fine adjustment LED indicator Figure C 1 Receiver R10K The user can choose between three sensitivity levels low middle and high An extra potentiometer is added for fine sensitivity adjustment A buzzer sound and 10 level LED bar graph indicator indicates the strength of the magnetic field e g proximity of the traced object Note 0 The field strength can vary during tracing The sensitivity should always be adjusted to optimum for each individual tracing 116 MI 3105 Eurotes
113. ow voltage supply systems RCD selected Loop impedance Measuring range according to EN61557 is 0 85 2 19999 O 0 00 9 99 10 96 of reading 15 digits 10 0 99 9 i or 15 96 of reading 100 19999 a 4 20 of reading Accuracy may be impaired in case of heavy noise on mains voltage Prospective fault current calculated value Measuring range A Resolution A 0 00 9 99 10 0 99 9 Consider accuracy of fault 100 9099 1 loop impedance 1 00k 9 99k measurement 10 0k 23 0k PSC Calculation a IPSC Un ksc ZL PE Un 55 V 44 V lt Uinp lt 61 V for selected 55 V single phase system Un 63 V 56 V lt Uinp lt 70 V for selected 63 V three phase system Nominal input voltage 55 V 63 V 14 Hz 500 Hz Test possibilities L1 PEandL2 PE No trip out of RCD H XL values are indicative 133 MI 3105 EurotestXA Appendix E Reduced low voltage supply systems E 4 3 Line impedance and prospective short circuit current ZLine Line Measuring range according to EN61557 is 0 25 Q 19 9 kQ 0 00 9 99 100 999 i XS of reading 5 digits RE E Prospective short circuit current calculated value Measuring range A Resolution A 0 00 0 99 0 01 10 999 014 J O 1 0 99 9 Consider accuracy of line 100 999 p 1 00k 99 99k 100k 199k 1000 The accuracy is valid if Mains voltage is
114. ption 3 4 Bottom Legend 1 2 3 Bottom information label Neck belt openings Handling side covers Continuity R Low EN 61557 4 R 0 120 0119991 Test current min 200mA at 2 Open circuit voltage 6 5V L19 0V Continuity 7mA R 0 0 1999 Test current max 8 5mA Open circuit voltage 6 5V 19 0V Insulation resistance EN 61557 2 R 0 18M 199 9M Un 50V 100 Ve 250 Vm R 0 12M 999M_ Un 500V 1kV U OV 1 1200V Nominal voltages 100V 250V 500V 1kV Measuring current min 1mA at RN UN K V Short circuit current lt 3mA Line impedance EN 61557 3 Rin 0 17 19991 iPsc 0 20A7v 1 4kA w Nominal voltage 100V 440V 15Hz 500Hz Fault loop impedance EN 61557 3 Ri PE 0 17 1999 IPFC 0 14A v 0 1 4kA Nominal voltage 100V 264V 15Hz 500Hz Voltage frequency U OV 0 440V f 15Hz 500Hz Phase rotation EN 61557 7 Nominal voltage 100V 4 440V 15Hz 1 500Hz Results 1 23 or 2 1 3 RCD EN 61557 6 N l 10mA 30mA 100mA 300mA 500mA 1A Nominal voltage 100V 1264V 15Hz 11500Hz Contact voltage Uc 0 0V 100 0V 7 Rs 0 00 10 00k0 i Rs Uc l n Tripping time non delayed time delayed RCDs 1 Oms C 300ms 500ms 2 0ms C 150ms 200ms 5 0ms 40ms 150ms Uc 0 0V 1 100 0V Tripping current 1 0 20E NO 1 1 CEN AC 01 50 EN A t 0ms 0 300ms Uc 0 0V 100 0V Multiplier 0 5 01 02 25 Resistance to earth EN 61557 5 R 0 040 119999
115. r entering the editor Returns to operator main menu without changes 46 MI 3105 EurotestXA Measurements Insulation resistance 5 Measurements 5 1 Insulation resistance Insulation resistance measurement is performed in order to assure safety against electric shock through insulation It is covered by the EN 61557 2 standard Typical applications are Insulation resistance between conductors of installation Insulation resistance of non conductive rooms walls and floors Insulation resistance of ground cables Resistance of semi conductive antistatic floors O rr Co INSULATION ALL 18 46 see chapter 4 2 Single test for functionality of keys ConTINUITY CENT YT 2 LINE mp Figure 5 1 Insulation resistance Test parameters for insulation resistance measurement Test configuration L N L PE N PE L PE N PE L N L PE ALL Test voltage 50 V 100 V 250 V 500 V 1000 V Limit Minimum insulation resistance OFF 0 01 MQ 200 MQ L PE N PE L N L PE ALL 20 MQ Test circuits for insulation resistance po BA BY E N e E N closed e e e e switches YY Y loads disconnected mains voltage u switched off WE a m i i i i I I MM Figure 5 2 Connection of universal test cable for general insulation resistance measurement TEST L PE 47 MI 3105 EurotestXA Measurements Insulation resistance
116. rface cable 3 7 2 Optional accessories See the attached sheet for a list of optional accessories that are available on request from your distributor 22 MI 3105 EurotestXA Instrument operation Main menu amp Single test 4 Instrument operation 4 1 Main menu From the Main menu different instrument operation modes can be set LTC E 0 Single test menu see 4 2 o Auto sequence menu see 4 3 AU PEEQUE 0 Miscellaneous see 4 4 a WF m u CE TO MISCELLANEOUS Figure 4 1 Main menu Keys O0 0 Select the mode TEST Enters selected mode 4 2 Single test a VOLTAGE TRMS 09 45 E ELE TEST is intended to run individual test Un 232v 149 994 measurement functions Upe 232v Unpe Ov L PE WN MR a gt por ee TT TH LIBET SICONTINUITY INSULATION m Figure 4 2 Example of typical Single test screen 23 MI 3105 EurotestXA Instrument operation Single test Keys in main single test screen Select test measurement function 0 lt VOLTAGE gt Voltage and frequency plus phase sequence 0 lt CONTINUITY gt Resistance to earth connection and equipotential bonding lt INSULATION gt Insulation resistance lt Z LINE gt Line impedance lt Z LOOP gt Fault loop impedance lt RCD gt RCD testing lt EARTH gt Resistance to earth lt CURRENT gt Clamp current lt SENSOR gt Illumination lt VARISTOR TEST gt Transient suppressor test The following
117. ries for specific measurements The table below presents standard and optional accessories required for specific measurement The accessories marked as optional may also be standard ones in some sets Please see attached list of standard accessories for your set or contact your distributor for further information Function Suitable accessories Optional with ordering code A Insulation o Universal test cable Tip commander A 1176 Continuity 0 Universal test cable liM 0 Probe test lead 4m A 1012 0 Tip commander A 1176 Line impedance Voltage drop Universal test cable Plug commander Plug cable Tip commander A 1176 Universal test cable Plug commander Plug cable Tip commander A 1176 Plug commander 0 Plug cable Phase sequence 0 Universal test cable ea 0 Three phase adapter A 1111 Fault loop impedance U U U U U U U U Voltage frequency 0 Universal test cable 0 Plug commander 0 Plug cable o Tip Earth resistance 3 wire 0 Universal test cable Earth resistance 1 clamp 0 Universal test cable o Current clamp 1000 A sensitive Universal test cable Current clamp 1000 A sensitive Current clamp 1000 A standard A 1019 Current clamp 200 A standard A 1074 Locator 0 Receiver R10K A 1191 o 1000 A current clamp A 1019 o 200 A current clamp A 1074 0 Clamp interface A 1068 0 Selective 115 MI 3105 EurotestXA Appendix C Locat
118. rt RS232 or USB can be selected in this menu Figure 4 33 Communication port selection Keys 0 0 Select communication port TEST Confirms selected port ESC Exits without changes Note 0 Only one port can be active at the same time 4 4 7 Locator This function enables tracing electrical lines Keys TEST Starts locator function ESC Exits miscellaneous menu see chapter 5 77 Locator for locator operation 45 MI 3105 EurotestXA Instrument operation Miscellaneous 4 4 8 Operator a COperator This menu enables registering the operator of the instrument Selected operator name appears on the bottom of the LCD during turning on of the instrument It is also associated to stored measurement results Up to 5 operators can be defined El SET 4d Edit Figure 4 34 Operator menu Keys select operator TEST Accepts selected operator ESC Exits to miscellaneous menu without changes F1 Enters operators name edit menu a Operator Operators name can be entered or modified Maximum 15 characters can be entered for operator Figure 4 35 Operator name edit menu Keys Highlighted key Selected symbol or activity o 0 0 0 Select symbol or activity TEST Enters selected symbol or performs selected activity F1 Deletes last entered symbol in the name line F2 Confirms comment and returns to operator main menu ESC Deletes operator immediately afte
119. s envolventes cubiertas y aislamientos No envolventes cubiertas y aislamientos No presencia de roturas o grietas partes quemadas presencia de roturas o grietas partes quemadas o ennegrecidas etc o ennegrecidas etc Cuadro general de protecci n Cuadro general de protecci n EZ Cajas de derivaci n EZ Cajas de derivaci n EZ Accesorios tomas de corriente interruptores etc EZ Accesorios tomas de corriente interruptores etc Tubos canales etc EZ Tubos canales etc EZ Conductores accesibles EZ Conductores accesibles I protecci n contra contactos indirectos I protecci n contra contactos indirectos e ni E Hasta diciembre 1975 Ma METER ee Hasta diciemhm gt 10 2 6 Comprobaci n de la desconexi n de los diferenciales por corriente residual Bot n de ensayo T 3 Protecci n contra sobreintensidades 3 1 Presencia del Interruptor General Autom tico IGA EZ 3 2 Protecci n contra cortocircuitos y sobrecargas mediante interruptores autom ticos al inicio de cada circuito 4 Protecci n contra sobretensiones O 4 1 Presencia de dispositivo de protecci n contra sobretensiones en el cuadro general de protecci n de la vivienda en caso que ste sea obligatorio Dejar en blanco sino aplica ui CLEAR ALL S um licaci n REBT 1m Figure G 4 Examples of results Markings Inspection was not performed bl Inspection passed x
120. s for locator There are no parameters Typical applications for tracing electrical installation OE i 0 La de ON wt Figure 5 54 Tracing wires under walls and in cabinets Energized installation ON e Lo d is Selective probe i i i i l d oe es es es es Receiver R10K Figure 5 55 Locating individual fuses 81 MI 3105 EurotestXA Measurements Locator Line tracing procedure Select the Ke ef wge si function in MISC menu Connect test cable to the instrument Connect test leads to the tested object see figures 5 54 and 5 55 Press the TEST key Trace lines with receiver in IND mode or receiver plus its optional accessory After tracing is finished press the ESC key to stop generating test signal LOCATOR J Figure 5 56 Locator active 82 MI 3105 EurotestXA Measurements Varistor test 5 12 Varistor test This test is performed to verify overvoltage protection devices Typical devices are 0 Metal oxide varistors 0 Gas arresters 0 Semiconductor transient voltage suppressors EJVARISTOR TEST ETE E See chapter 4 2 Single test for functionality of keys a EARTH CURRENT SEs Figure 5 57 Varistor test menu Test parameters for varistor test Low limit DC threshold voltage 50 V 1000 V High limit DC threshold voltage 50 V 1000 V It 1 00 mA Threshold current Test circuit for var
121. s function is intended for verification of earthing of house installation and other earthings e g earthing for lighting The measurement conforms to the EN 61557 6 standard The following resistance to earth sub functions are available 0 Standard 3 wire for standard resistance to earth measurements 0 One clamp for measuring resistance to earth of individual earthing rods 0 Two clamps also recommended in IEC 60364 6 for urban areas for measuring resistance to earth of individual earthing rods 0 Specific earth resistance by using optional external adapter See 4 2 Single test for keys functionality BaEARITH Os cnn da LL CURRENT SENSOR m Figure 5 31 Resistance to earth Test parameters for earth resistance measurement TEST Test configuration 3 wire one clamp two clamps p Maximum resistance OFF 1 5 kQ 2 clamps 1 Q 20 QJ If p selected Distance between probes 0 1 m 30 0 m or 1 ft 100 ft 5 7 1 Standard 3 wire measurement Circuits for 3 wire measurement QA i A A S NE Po S a hl d i mmc d Nu s A E Lud Pr Ni N NS NN AM gt 50 a Figure 5 32 Resistance to earth 3 wire measurement of PE grounding 68 MI 3105 EurotestXA Measurements Resistance to earth Jr I E Figure 5 33 Resistance to earth 3 wire measurement of lighting protection Resistance to earth 3 wire measurement procedure Select the J i function Select 3 wir
122. s that the battery cells are connected in series during the charging The battery cells have to be equivalent same charge condition same type and age 0 One different battery cell can cause an improper charging and incorrect discharging during normal usage of the entire battery pack it results in heating of the battery pack significantly decreased operation time reversed polarity of defective cell o If no improvement is achieved after several charge discharge cycles then each battery cell should be checked by comparing battery voltages testing them in a cell charger etc It is very likely that only some of the battery cells are deteriorated o The effects described above should not be mixed with normal decrease of battery Capacity over time Battery also loses some capacity when it is repeatedly charged discharged Actual decreasing of capacity versus number of charging cycles depends on battery type It is provided in the technical specification from battery manufacturer 12 MI 3105 EurotestXA Safety and operational considerations Standards applied 2 3 Standards applied The MI 3105 EurotestXA instrument is manufactured and tested according to the following regulations listed below Electromagnetic compatibility EMC EN 61326 Safety LVD EN 61010 1 EN 61010 031 Functionality EN 61557 Electrical equipment for measurement control and laboratory use EMC requirements Class B Hand held equip
123. sors and adapters The probe is connected to the instrument via RS 232 interface The instrument automatically recognizes connected probe 5 9 1 Illumination The measurement is performed with LUX meter type B or LUX meter type C probes in order to test and verify illumination BEISENSOR _ ITI See chapter 4 2 Single test for functionality of keys du CURRENT ERTECI MD CHECK SFL Figure 5 44 Insulation resistance Test parameters for illumination measurement Figure 5 45 Connection of LUX probe to the instrument 75 MI 3105 EurotestXA Measurements Sensors Illumination as AN camm Figure 5 46 LUX meter probe positioning Illumination measuring procedure Connect LUX probe to the instrument see figure 5 45 Select the JARAN function Enable and set limit value optional Power ON the LUX probe ON OFF key green LED lits Press the TEST key for measurement Press the TEST key to finish the measurement Power OFF the LUX probe Store the result optional O AA OA OA AOA AOA O ri ERE TEI B Red EARTH CURRENT GRE Figure 5 47 Example of illumination measurement result Displayed results A Illumination Notes o Take care of the LUX probe positioning 0 For accurate measurements make sure that the milk glass bulb is lit up without any shadows cast by hand body or other unwanted objects o It is very important to know that it takes
124. sponds to the selected supply system indication 0 This measurement will trip out RCD in RCD protected electrical installation if Sikring is selected as breaking device instead of RCD 153
125. stance measurement procedure Select the fe init function Set sub function R 7mA L PE or N PE Enable and set limit optional Connect test cable to the instrument Compensate test leads resistance if necessary Disconnect from mains supply and discharge tested object Connect test leads to the tested object see figure 5 6 Press the TEST key for continuous measurement Press the TEST key to stop measurement O A fH fH fH fH fH OA fH LP After the measurement is finished store the result optional VOLTAGE in a INSULATION m Figure 5 9 Example of 7 mA resistance measurement Displayed result H Hesistance 51 MI 3105 EurotestXA Measurements Continuity 5 2 3 Compensation of test leads resistance This chapter describes common principle for compensation of test leads resistance for both CONTINUITY functions The compensation is required to eliminate the influence of test leads resistance plus internal resistances of the instrument The lead compensation is very important to obtain correct result The compensation status E E is indicated in the message field Key F1 Enters test leads resistance compensation menu for any of mentioned functions LEADS CALIBRATION 09 08 See chapter 4 2 Single test for functionality of keys CONTINUITY Figure 5 10 Test leads resistance compensation menu Keys TEST Performs compensation O Sets function to b
126. stance of PE wiring between distribution board and individual wall sockets This is auto test only accessible procedure consisting of two special functions the LOOP Re and the CONTINUITY with LOOP Re sub function Test parameters for LOOP Re function This function does not have any parameters Test parameters for CONTINUITY LOOP Re function TEST Test sub function LOOP Re R200mA R7m4A With LOOP Re selected Maximum resistance OFF 0 1 Q 20 0 Q Resistance of PE wiring to distribution board result of LOOP Re measurement 138 MI 3105 EurotestXA Appendix F Country notes Circuit for measurement the resistance of PE wire Distribution Outlets and consumers board i Hi S _ if LI m LI LI LI LI LI m LI AA f y y Figure F 3 Two step procedure for PE wiring resistance measurement connection of plug commander and universal test cable Auto sequence recommendation For measurement of the PE resistance the following shall be applied Two auto sequences with at least one function can be prepared see 4 3 The first auto sequence sequence A intended for measurement at distribution board level shall contain function LOOP Re The second auto sequence sequence B intended for measurement of wall sockets and consumers shall contain CONTINUITY function with sub function LOOP Re PE wire resistance measurement procedure Select the We
127. sting result Back to store test menu installation ESC data structure field For information about storing into a new non existent location see 6 6 7 89 MI 3105 EurotestXA Data handling Recalling test results and parameters 6 4 Recalling test results and parameters Press the MEM key in single or oe sequence menu when there is no result available for storing or select MEN in MISC menu RECALL MEMORY 99 7 oy RCD Y 03 jur make d 002 Z LINE 03 Mar 2006 07 46 003 INSULATION 03 Mar 2006 07 50 004 7 Socket outl 03 Mar 2006 07 52 see chapter 6 2 for definitions of displayed fields Gi Rename El Change view Figure 6 7 Main recall menu Keys in main recall memory menu Short press select the location in structure of installation data field O0 U U 0 Pressed for a few seconds in some cases add a new location in the structure see 6 6 7 TAB Switches between results and structure data field ESC Exits to the last state of the instrument F1 Edits name of selected location for editing see 4 3 4 F2 Enters installation structure tree view to select appropriate location 6 4 1 Recalling result MESE Result field has to be selected RECALL MEMORY TRATE 07 Sep 2005 10 34 002 RCD Y 07 Sep 2005 10 35 003 INSULATION 13 5ep 2005 14 25 004 24 IZOLACIJA 13 5ep 2005 14 28 Figure 6 8 Recall data menu Keys in results field 0 0 select the stored da
128. t pp P REEL Dueh 256000 baud The error in operating conditions could be at most the error for reference conditions specified in the manual for each function 1 of measured value 1 digit unless otherwise specified in the manual for particular function 111 MI 3105 EurotestXA Appendix A Fuse table A Appendix A Fuse table Note This fuse table is incorporated in the instrument Fuse type NV Rated current a ae a a A 2 23835 223 187 X 159 91 4 656 464 BB 349 187 6 1028 amp 70 565 X 464 267 80 X 15672 11831 9649 8365 X 4479 Fuse type gG Rated current m A NN A 2 325 223 187 159 amp 91 4 656 464 BB X 319 187 6 1008 70 X 565 X 464 X 267 80 15672 11331 9649 8365 X 4479 112 MI 3105 EurotestXA Appendix A Fuse table Fuse type B Rated Disconnection time s current Min prospective short circuit current A 30 30 Rated Disconnection time s current Disconnection time s 85m 01 02 04 X Min prospective short circuit current A 7 5 MI 3105 EurotestXA Appendix A Fuse table Fuse type D Rated Disconnection time s current Min prospective short circuit current A 114 MI 3105 EurotestXA Appendix B Accessories for specific measurement B Appendix B Accesso
129. tXA Appendix C Locator receiver R10K C 1 Tracing principles C 1 1 Positioning the receiver The receiver has to be correctly positioned see the figures below to obtain the best results Also wire position can be defined this way correct position Receiver R10K switched in INDuctive mode Figure C 2 Detection of electromagnetic field Lines energized Mains supply Receiver R10K in IND mode Figure C 3 The EurotestXA as a signal source for tracing lines C 1 2 Positioning current clamp Whenever it is possible to embrace the traced wire it is recommended to use the appropriate current clamp instead of the receiver inductive sensor see figure below By using the clamp the signal selectivity will considerably improve Always keep maximum distance between current clamp and R10K 117 MI 3105 EurotestXA Appendix C Locator receiver H10K Lines energized Mains supply L L1 A W Figure C 4 Transmitter as active load clamp used instead of inductive sensor C 1 3 Positioning selective probe For searching a fuse in a group the selective probe shall be used The wire or housing of the fuse must be touched at the right angle with it Find the best signal by rotating the probe Keep the maximum distance between R10K and selective probe Note 0 Keep fingers behind the probe barrier to avoid electric shock and access of live parts C 2 Detection distances for different connections Connection Dis
130. ta TEST Opens selected stored item TAB ESC Back to recall memory main menu 90 MI 3105 EurotestXA Data handling Clearing saved data E 0 61 isc 30 44 F 0 645 Key ESC Back to recall memory main menu Keys OU 0 Select stored data TEST Opens function result ESC Back to recall memory main menu CONTINUITY Key in open function result ESC Back to observed auto sequence Figure 6 10 Auto sequence stored example 6 5 Clearing saved data H option see 4 4 3 CLEAR MEMORY option for erasing complete test MEMORY LEFT 98 0 A All stored data will be deleted From main menu select MISC menu and enter MISC i H IN memore Select results memory GITA CLEAR gt Figure 6 11 Clear memory Keys gd l Select CANCEL CLEAR TEST Confirms selected option ESC Cancels dialog without changes 91 MI 3105 EurotestXA Data handling In i H select option to delete particular result MEMOR or modify installation data structure Keys 1 0 TEST TAB F2 F1 ESC 6 5 1 Select location Clearing saved data g CLEAR TESTS E REE 99 7 SELECTED 412 001 INSULATION 03 Mar 2006 07 37 002 CONTINUITY 02 Mar 2006 14 15 003 Z LINE 03 Mar 2006 07 32 004 RCD of 03 Mar 2006 07 38 dl Rename El Change view Figure 6 12 Clear test menu Opens dialog for clearing in installat
131. ta field O0 U U 0 Pressed for a few seconds in some cases add a new location in the structure see 6 6 7 MEM Saves test results to the last position in selected location and returns to the measuring menu TAB Switches between results and structure data field see 6 3 f ESC Exits save test menu F1 Edits name of selected location see 4 3 4 F2 Enters installation structure tree view to select appropriate location Notes 0 Press the MEM key twice to quickly store the results to pre selected location 0 By default it is offered to append the result to the existing results in the selected location 6 3 1 Saving results specialties It is possible to overwrite existing result when storing new result pe SAVE TES E 44 115 REE 99 7 SELECTED 410 REE 99 7 001 INSULATION 07 5ep 2005 10 12 001 INSULATION 07 5ep 2005 10 12 002 CONTINUITY 07 5ep 2005 10 18 002 CONTINUITY 07 5ep 2005 10 18 003 Z LINE 07 5ep 2005 10 27 003 Z LINE 07 5ep 2005 10 27 004 RCD Jf 07 Sep 2005 10 28 004 RC E opens QQ5 d 005 Replace previous TEST Appending new result Overwriting requires confirmation Figure 6 6 Saving in result field Keys in save test menu results field Keys with open dialog Uu l Select stored test result U Select YES NO Saves test result into selected line TEST Confirms selected option TEST confirmation is needed to overwrite an ESC Cancels without changes exi
132. tact voltage Measuring range V Resolution V 0 0 19 9 041 0 15 of reading 10 digits 0 1 0 15 of reading The accuracy is valid if Mains voltage is stabile during the measurement PE terminal is free of interfering voltages lan Is not applicable for lay21000 mA RCD types A F B B Uc voltage is calculated to tripping current la 131 MI 3105 EurotestXA Appendix E Reduced low voltage supply systems E 4 2 Fault loop impedance and prospective short circuit current Fuse or no circuit breaker selected Fault loop impedance Measuring range according to EN61557 is 0 32 Q 19999 Q Measuring range Q Resolution O 0 00 9 99 0 01 10 0 99 9 10 96 of reading 5 digits 100 19999 Prospective fault current calculated value Measuring range A Resolution A 0 00 9 99 0 01 10 0 99 9 Consider accuracy of fault loop impedance 100 999 100k 9 99k measurement 10 0k 23 0k The accuracy is valid if Mains voltage is stable during the measurement PSC Ce IPSC Un ksc ZL PE Un 55 V 44 V lt Uinp lt 61 V for selected 55 V single phase system Un 63 V 56 V lt Uinp lt 70 V for selected 63 V three phase system Maximum OA iii 1 9A 10 ms Nominal input voltage 55 V 63 V 14 Hz 500 Hz Test possibilities L1 PEandL2 PE 132 MI 3105 EurotestXA Appendix E Reduced l
133. tance up to Connection between L and N wire in same wall socket Connection between L wire in one wall socket and N wire in 2m other wall socket with separated conduits WARNING Avoid connection of the EurotestXA in trace mode between line and PE of different wall sockets electric shock hazard C 3 R10K power supply The receiver R10K is supplied by a 9 V alkaline battery IEC 6LR61 C 4 Maintenance Remove battery from R10K when not in use for a longer time Apply maintenance instructions from chapter 7 of this document 118 MI 3105 EurotestXA Appendix D IT supply systems D Appendix D IT supply systems In order for operator to be familiar enough with measurements in and their typical applications in IT supply system it is advisable to read Metrel handbook Measurements on IT power supply systems D 1 Standard references EN 60364 4 41 EN 60364 6 EN 60364 7 710 BS 7671 D 2 Fundamentals IT supply system is mains supply system that is insulated from ground PE it is ungrounded supplying system The system is without direct connection to the ground or the connection is provided through relatively high impedance It is applied mostly in areas where additional protection to electric shock is required Typical places are medical surgery rooms IT supply system also omits any grounding currents except leakages and in this way there arent problems with step voltage i e voltage drop in one step neither high energy spark
134. tap grounded o 110 V reduced low voltage 3 x 63 V three phase star center grounded TN TT and IT systems are defined in EN 60364 1 standard 110 V reduced low voltage systems are defined in BS 7671 see Appendix D for particular characteristics of IT supply system measurements and instrument characteristics see Appendix E for particular characteristics of 110 V reduced low voltage supply systems measurements and instrument characteristics Isc factor ksc Short circuit current Isc in the supply system is important for selection or verification of protective circuit breakers fuses over current breaking devices RCDs The default value of ksc is 1 00 Change the value as required by local regulative for tested type of mains supply system Range for adjustment of the ksc is 0 20 3 00 38 MI 3105 EurotestXA Instrument operation Miscellaneous RCD normative references Maximum RCD disconnection times differ in various standards The trip out times defined in individual standards are listed below Trip out times according to EN 61008 EN 61009 Yexlan General RCDs PR ta gt 500 ms 130 ms lt ta lt 500 ms 60 ms lt t lt 200 ms 50 ms lt t lt 150 ms Trip out times according to EN 60364 4 41 Yexlan Donddayed gt 999m t lt 900me tetsoms rites rung t 999 ms 130 ms lt t lt 999 ms 60 ms lt t lt 200 ms 50 ms lt t lt 150 ms Trip out times according to BS 7671 V
135. ting Accept description and exit into sequence name editing menu 4 4 3 4 Exit sequence name editing menu Enter into sequence field 0 0 Select CONTINUITY TEST Enter test parameter selection mode TEST R200mA Limit ON 5 2 Limit 0 10 TAB Exit parameter mode Set PAUSE wait to prepare for measurement 0 Set PAUSE ON Set test parameters for equipotential bonding resistance Select COMMENT Select COMMENT 1 Enter Edit comment menu 4 3 7 Enter the comment Save the comment TEST Store the comment to location 1 Select COMMENT 2 Enter Edit comment menu Commander Enter the comment 4 Disconnect mains univ cable ext Save the comment TEST Store the comment to location 2 Select COMMENT 3 Enter Edit comment menu Connect mains Enter the comment Save the comment TEST Store the comment to location 3 Select COMMENT 4 Enter Edit comment menu Turn ON RCD Enter the comment Save the comment TEST Store the comment to location 4 Oo 3x Select COMMENT 1 TEST Confirm selected pause and its comment Next step 0 Select INSULATION TAB Enter test parameter selection mode Cc Ka TEST ALL Ulso 500 V Limit ON 5 Setting test parameters for insulation resistance Limit 1MO 432 TAB 4 3 2 Exit parameter mode Set PAUSE wait to reconnect measuring leads o 0 Set PAUSE ON Select COMMENT O 2x Select COMMENT 2 TEST Confirm se
136. tion Conductor Collector NA poa NN L L1 extension lead Figure 5 6 Connection of universal test cable plus optional extension lead Resistance to earth connection and equipotential bonding measurement procedure Select the fe BE T9 EAM function oet sub function R200mA L PE or N PE Enable and set limit optional Connect test cable to the instrument Compensate test leads resistance if necessary Disconnect from mains supply and discharge tested installation Connect test leads to the tested PE wiring see figure 5 6 Press the TEST key for measurement After the measurement is finished store the result optional O Cf fo Cf fH fH ft fH Lr CONTINUITY R200mA 18 39 TEST Limit VOLTAGE in a INSULATION E Figure 5 7 Example of continuity H200mA result Displayed results RTT Main R200mA resistance average of R and R results idein R200mA sub resistance with positive voltage at N terminal BT R200mA sub resistance with positive voltage at PE terminal 50 MI 3105 EurotestXA Measurements Continuity 5 2 2 7 mA resistance measurement In general this function serves as standard meter with low test current The measurement is performed continuously without pole reversal The function can also be applied for testing continuity of inductive components Test circuit for continuous resistance measurement Figure 5 8 Universal test cable application Continuous resi
137. tion resistance between N and PE S1 RENE Test voltage s actual value s PE N 6 Jj 48 MI 3105 EurotestXA Measurements Continuity 5 2 Resistance to earth connection and equipotential bonding The resistance measurement is performed in order to assure that protective measures against electric shock through earth bond connections are effective Four subfunctions are available D Earth bond resistance measurement according to EN 61557 4 between N and PE terminals test current 200 mA D Earth bond resistance measurement according to EN 61557 4 between L and PE terminals test current 200 mA 0 Continuous resistance measurement with lower test current between N and PE terminals test current ca 7 mA o Continuous resistance measurement with lower test current between L and PE terminals test current ca 7 mA o ATRAER EEN E See chapter 4 2 Single test for functionality of keys VOLTAGE in a INSULATION P Figure 5 5 Continuity Test parameters for resistance measurement TEST Resistance measurement sub function R200mA NPE R7mA NPE R200mA LPE R7mA LPE Maximum resistance OFF 0 1 Q 20 0 Q 5 2 1 Continuity R200 mA measurement The resistance measurement is performed with automatic polarity reversal of the test voltage 49 MI 3105 EurotestXA Measurements Continuity Test circuit for Continuity R200mA measurement MPEC Main Potential Equilizing Collector PCC Protec
138. tive only Displayed resistance can significantly differ from the actual resistance the Eurotest simulates If IMD s with very low test currents below 1mA are checked the displayed resistance value is typically lower and current higher than the actual simulated resistance The difference is lower for lower set resistances D 3 6 First fault leakage current ISFL First fault leakage current measurement is performed in order to verify the maximum current that could leak into PE from observed line This current flows through the insulation resistance and reactance capacitance between the other lines and PE when the first fault is applied as short circuit between observed line and PE Et E E See chapter 4 2 Single test for functionality of keys Li PE L2 iuo Ly ua CURRENTISENSOR MD CHECK ED Figure D 7 ISFL measurement Test parameters for first fault leakage current measurement Leakage current limit type OFF Hi limit Lo limit If Hi limit selected Maximum leakage current 3 0 mA 20 0 mA If Lo limit selected KfLolimitseleted O ooo Limi Minimum leakage current 10 mA 30 mA 100 mA 300 mA 500 mA Imit 1000 mA Nominal residual currents for RCD protection 124 MI 3105 EurotestXA Appendix D IT supply systems Test circuit for first fault leakage current Figure D 8 Measurement of highest first fault leakage current with plug commander and universal test cable
139. trument is not connected to a voltage source 0 Isc is calculated as described in chapter 5 5 1 Line impedance and prospective short circuit current o If the measured voltage is outside the ranges described in the table above the AU result will not be calculated o High fluctuations of mains voltage can influence the measurement results the noise sign is displayed in the message field In this case it is recommended to repeat few measurements to check if the readings are stable 65 MI 3105 EurotestXA Measurements Voltage frequency phase sequence 5 6 Voltage frequency and phase sequence Voltage and frequency measurement is always active in the terminal voltage monitor In the special voltage menu the measured voltage frequency and information about detected three phase connection can be stored Phase sequence measurement conforms to the EN 61557 7 standard See 4 2 Single test for keys functionality EN VOLTAGE TRMS amp 12 03 E Un 233v 149 964 Ulpe 233v Unpe Ov LIBET SICONTINUITY INSULATION mb Figure 5 27 Voltage in single phase system Test parameters for voltage measurement There are no parameters Circuits for voltage measurement y SS a result 1 2 3 result 2 1 3 P4 c Lid Figure 5 28 Connection of universal test cable and optional adapter in three phase system y o A i Figure 5 29 Connection of plug commander and universal test cable in singl
140. ts in complete structure Zi Change view Option for opening the structure tree view I Rename Options for modification of the structure see chapter 6 6 Note 0 Only three locations in the installation data structure field placed horizontally can be displayed at the same time in the basic view Basic keys 86 MI 3105 EurotestXA Data handling 0 0 0 0 F1 F2 ESC Note o The tree structure is limited to 2000 locations with 10 levels in depth see figure 6 3 Select the existing location Installation data structure Pressed for 2 s opens dialog box for adding a new location Henames the current location Enters installation structure tree screen Back to the last operation mode of the instrument RECALL MEMORY HERCD4 a PRODUCT 3PH SOCKET E El Change view Figure 6 4 shows how individual structure elements are displayed on the instrument The outlook is the same for all three memory menus ti RECALL MEMORY E 10 Levels Max dl Rename El Change view Figure 6 3 Sub levels depth definition 87 MI 3105 EurotestXA Data handling bj i3 MV 2 PR LIGHT 1 4 4m SOCKET 1 E SOCKET 2 E OFFICES E PC LIGHT 1 A LIGHT ROD Ey EL
141. tween line conductors Uipe Voltage between line 1 and protective conductor U2pe Voltage between line 2 and protective conductor D 3 3 Line impedance See chapter 5 5 the measurement is the same only terminal voltage monitor indication corresponds to IT system 121 MI 3105 EurotestXA Appendix D IT supply systems D 3 4 RCD testing RCD testing is performed in the same way as in TN TT system See chapter 5 3 with the following exception Uc measurement is not relevant Test circuit with bypassing principle should correspond to that on figure D 3 Y m _ iu f Figure D 3 RCD testing in IT system D 3 5 IMD testing This function is intended for checking the alarm threshold of insulation monitor devices IMD by applying a changeable resistance between L1 PE and L2 PE terminals See chapter 4 2 Single test for functionality of keys Li PE L2 ao Ho br CURRENT SENSOR TIE is Figure D 4 IMD test Test parameters for IMD test Type OFF I R Minimum insulation resistance 20 0 kQ 122 MI 3105 EurotestXA Appendix D IT supply systems Test circuit for IMD test Figure D 5 Connection with plug commander and universal test cable Keys in IMD test procedure D l Change terminals to which resistance is applied L1 PE or L2 PE o 0 Change the selected line TEST Starts stops test procedure IMD test procedure Select the f
142. unction Enable and set limit value optional Connect test cable to the instrument and tested item see figure D 5 Press the TEST key for measurement Press the 0 U keys until IMD alarms an insulation failure for L1 Change line terminal selection to L2 0 ll Press the 0 O keys until IMD alarms an insulation failure for L2 Press the TEST key to stop the measurement Store the result optional O OO OH OA fH AOA O O Co QE CURRENT SENSOR CIKIS SFL Figure D 6 Example of IMD test result Displayed results H1 Threshold indicative insulation resistance for line 1 RL Threshold indicative insulation resistance for line 2 E e Calculated first fault leakage current for R1 pL Calculated first fault leakage current for R2 123 MI 3105 EurotestXA Appendix D IT supply systems Calculated first fault leakage current at threshold insulation resistance is given as U rip Lo ULt L2 is line line voltage The calculated first fault current is the maximum 1 2 current that would flow when insulation resistance decreases to the same value as the applied test resistance and a first fault is assumed between opposite line and PE Note o It is recommended to disconnect all appliances from the tested supply to receive regular test results Any connected appliance will influence the insulation resistance threshold test o The displayed resistances and currents are indica

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