Euro Z 290 A adapter A 1143 Instruction manual
Contents
1. u02222uu nen 6 Voc 4x1 5 V battery size C IEC LR14 ODE aU ON gt 15h DISDIAV meer tec eect as cadens custom LCD Overvoltage category cccceeccesseeeeeeees 310 V CAT IV Protection classification double insulation Pollution degree 22u0220200220en een 2 Dimensions w x R x d uueeenneeeeennnn 33 5 cm x 16 0 cm x 33 5 cm Weight without accessories 5 0 kg 19 A 1143 Euro Z 290 A adapter Technical specifications Reference conditions Reference temperature range 10 C 30 C Reference humidity range 40 RH 60 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 ccccseeeeeeeeeeeeeeeees 10 C 70 C Maximum relative humidity 90 RH 10 C 40 C 80 RH 40 C 70 C Accuracies apply for 1 year in reference conditions Outside these limits temperature coefficient is 0 2 of measured value per C and 1 digit The change of accuracy in operating conditions affects measurement range of the instrument in according to EN61557 3 requirements EN61557 3 requires lt 30 error when measuring line or loop resistance 202. Euro Z 290 A adapter A 1143 Instruction manual HW 2 Ver 2 2 Code no 20 751 507 S METREL Distributor Manufacturer METREL d d Ljubljanska cesta 77 SI 1354 Horjul web site http www metrel si e mail metrel metrel si Version note User manual versions 2 0 and higher are related to Euro Z 290 A adapter A1143 HW2 Hardware Version 2 2004 2010 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 A 1143 Euro Z 290 A adapter Table of contents T PrCIa CO cinnin a a 4 2 Safety and operational considerations 2u220220002n000ann0nnnnnnnnnnnnnnnnnnnnnnnn 5 Zul WANING S cdo tunica E E EEE Rue 5 22 Bal ena const eni evinces aiastarse E E EE ERE TA 5 25 Slandalds QO ON CO ceee EE EE EEEE EE E EEEE 6 3 Adapter description 7 3 1 PROME DM AMe anne 1 32 INSTUN SOT asa E oaevey bases d eas 7 A DC 1 1 OM coc 8 4 1 Connecting Euro Z 290 A adapter to Eurotest instrument u 44440ne nennen 8 4 2 Instrument status meaning of LEDS u2200220022002nunnnonnnennnennnnnnnnnne nennen 8 4 3 Meaning of messages on the Eurotest instrument display uuu ennennn 11 5 Measurements nl 13 5 1 AJMprecSIOMIiNeImpedan Esine 13 5 1 1 How to pe
3. as Cun Unay amp 2 F a v3 ZvyHor Heuaenn ae Ikminph ot L L HOT Kuna un IKMIN L N ea ai L N HOT Zu y Rie X Zin u XEN Zu HOT 7 V 1 xR P Rei Zum HOT UN L N 230 V 10 Una 400 V 10 1 05 1 5xR N X 230 V lt Un lt 400 V 1 10 BEE t10 O 18 A 1143 Euro Z 290 A adapter Technical specifications 7 2 High precision fault loop impedance Measuring range according to EN61557 3 12 0 mQ 19 99 Q Range Q Resolution mQ 0 0m 199 9m en 200m 1999m 2 00 19 99 5 10 MQ Measuring voltage range n 90 V 530 V Nominal voltage range u nen nn 100 V 440 V Nominal frequency ccccceeeecseeeeeeeeens 50 Hz Maximum test current at 230 V 154 A 10 ms Displayed R in X values are indicative Calculation of prospective short circuit current standard voltage value 230 V GE UL pe 230 V 10 Calculation of prospective short circuit current non standard voltage value E Cmax 2 Uni Pe Cun ss Uni PE un z KMAX L PE KMIN L PE Zi pe Z L PE HOT p2 2 f 2 Z pe VR ope Xipe Z peynor 4119x Ripe Alpe Unu pe 230 V 10 230V lt Un lt 400V 1 10 7 3 Contact voltage Range V Resolution V O 100 10 3 digits Calculation of prospective contact voltage I U U R UL pE 230 V 10 Test 7 4 General data Power supply voltage
4. q y Tested installation does not covers ratings of the adapter Adapter overheated Temperature of internal components in the adapter reached top limit Measurement is prohibited until temperature is lower than that limit 5 Low battery on Low battery voltage on Euro Z 290 A adapter A 1143 Replace the battery 12 A 1143 Euro Z 290 A adapter Measurements 5 Measurements When performing measurements close to the power transformer or inductance is present inductive part of impedance has a significant influence to prospective fault short circuit current Therefore impedance instead of resistance has to be measured for correct calculation of prospective fault short circuit current High precision line and fault loop impedance measurements are performed using high current impulses to assure adequate voltage drop during the test Warning a Flickers can be observed due to high test current pulses a Measurements are described on the example of working with Eurotest 61557 5 1 High precision line impedance Line impedance is the impedance within the current loop when a short circuit occurs a Conductive connection between phase conductor and neutral conductor in single phase system a Between two line conductors in three phase system 5 1 1 How to perform high precision line impedance measurement Step 1 Connect Euro Z 290 A adapter to the Eurotest instrument Connect the test cable to the Euro Z 290 A adapter s
5. 2 pieces RS232 cable 9 pin 9 pin RS 232 9 pin PS2 DoOoOoOODOOUOUODOODODOOUDO DO ON OFF switch to power on or off the Euro Z 290 A adapter Battery compartment cover Instrument status field RS232 connector Measurement connection diagram Connector field Probe S is used to determine contact voltage Usg at prospective fault current Warning Maximum allowed voltage between test terminals and ground is 310 V Maximum allowed voltage between test terminals is 530 V L C display Start key Contact your distributor or visit Metrel home page at http www metrel si for any additional accessories required A 1143 Euro Z 290 A adapter Operation 4 Operation According to principle the adapter offers stand alone operation and remote control from METREL instruments whose test functions are implemented by application of the adapter Note a The impedance adapter applies very high loading current into tested installation and it is recommended making rare measurements typical one per 15 s to reduce problems caused by such current 4 1 Stand alone operation Stand alone operation procedure a Connect the Euro Z 290 A to tested installation For measurement L L and or L N impedance see chapter 5 1 figure 5 1 For measurement L PE impedance see chapter 5 2 figure 5 5 a Press the key START to measure impedance a The following results are cycled on the L C display Impedance Short circuit cur
6. Connect the Euro Z 290 A to tested installation For measurement L L and or L N impedance see chapter 5 1 figure 5 1 For measurement L PE impedance see chapter 5 2 figure 5 5 Press the key START on the Eurotest 61557 to measure impedance Result of measured impedance is displayed on L C display and all results related to selected subfunction are transferred to the Eurotest 61557 and displayed Save results optional When the A1143 is recognized the measured voltage at test input of the adapter is displayed on the Eurotest 61557 Note E Eurotest MI 2086 accepts measured results up to 2 Q Higher values are indicated as overrange and any other displayed results can be disregarded in this case A 1143 Euro Z 290 A adapter Operation 4 4 Operation with the MI 3101 MI 3105 Eurotest AT XA Eurotest applied functions and subfunctions Z LINE m2 L L Z LOOP m9 L PE Connection with MI 3101 Eurotest AT and or MI 3105 Eurotest XA METREL ce i A x A Re BB RE Ving hA Ad Figure 4 2 Connection of the Euro Z 290 A adapter to the Eurotest AT XA Operation procedure with MI 3101 Eurotest AT and or MI 3105 Eurotest XA a Connect communication interface cable RS 232_9pin_female PS 2 to the Eurotest AT XA and the Euro Z 290 A See figure 4 2 Turn power on the instrument and the adapter Select measurement function Z LINE or Z LOOP on the Eurotest AT XA The Eurotest AT XA recognizes the adapte
7. Instruction manual the protection provided by the equipment may be impaired a Read this Instruction manual carefully otherwise use of the instrument may be dangerous for the operator for the instrument or for equipment under test a Do not use the adapter and accessories if any damage is noticed Remove all test leads before opening battery cover a Consider all generally known precautions in order to avoid risk of electric shock while dealing with hazardous voltages Note that Euro Z 290 A high current impedance adapter is intended for use in environments where dangerous voltages are easy accessible e g switchgears power stations a Service intervention or adjustment procedure is allowed to be carried out only by a competent authorized person a Use only standard or optional test accessories supplied by your distributor E m A Front panel can overheat when performing the rapid sequence of high precision line to line impedance measurements Notes related to measurement functions Z LOOP a The Z LOOP impedance function will trip out the RCD in RCD protected installation that is tested To prevent the RCD trip out make measurements on entry side of RCD or bypass the RCD but only for test purpose a Specified accuracy of tested parameters is valid only if mains voltage is stable during the measurement Z LINE a Specified accuracy of tested parameters is valid only if mains voltage is stable during the measurement 2 2 Batte
8. MI 2086 EurotestAT MI 3101 EurotestXA MI 3105 and MultiservicerXA MI3321 With this measurement required by standards related to testing electrical installations and connections of electrical equipment of machines to electrical installation are covered The L C display offers easy reading of impedance result The operation of the Impedance adapter A1143 is clear and simple the operator does not need any special training except reading this user manual and the user manual of selected master instrument to operate the adapter In order for operator to be familiar enough with performing measurements in general and their typical applications it is advisable to read Metrel handbook Guide for testing and verification of low voltage installations The adapter is equipped with all accessories necessary for comfortable measurements It is kept in a robust waterproof case together with all accessories A 1143 Euro Z 290 A adapter Safety and operational considerations 2 Safety and operational considerations 2 1 Warnings and notes In order to reach high level of operator safety while carrying out various measurements using Euro Z 290 A high current impedance adapter as well as to keep the test equipment undamaged it is necessary to consider the following general warnings A symbol at the instrument means Read the Instruction manual with special care a Ifthe test equipment is used in a manner not specified in this
9. and laboratory use EMC requirements Part 1 General requirements Class A Hand held equipment used in industrial EM environments IEC EN 61326 2 2 Electrical equipment for measurement control and laboratory use EMC requirements Part 2 2 Particular requirements Test configurations operational conditions and performance criteria for portable test measuring and monitoring equipment used in low voltage distribution systems Safety LVD IEC EN 61010 1 Safety requirements for electrical equipment for measurement control and laboratory use Part 1 General requirements IEC EN 61010 031 Safety requirements for hand held probe assemblies for electrical measurement and test Functionality IEC EN 61557 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 3 Loop resistance A 1143 Euro Z 290 A adapter Adapter description 3 Adapter description 3 1 Front panel TEILTE 3 es ese 2 Figure 3 1 Front panel T eddie 8 3 2 Instrument set Basic impedance tester set Euro Z 290 A adapter Instruction manual Product verification data Warranty declaration Declaration of conformity Test cable 2 wire 2 m 2x1 5 mm 2 pieces Test lead blue 2 m 1x1 5 mm 1 piece Alligator clip black 3 pieces Alligator clip red 2 pieces Test tip red
10. asurement function Z mQL Pe High precision loop impedance measurement in Machine testing operating mode or Line impedance and prospective short circuit current test in All tests operating mode on the Multiservicer XA The Multiservicer XA recognizes the adapter Connect the Euro Z 290 A to tested installation For measurement L L and or L N impedance see chapter 5 1 figure 5 1 For measurement L PE impedance see chapter 5 2 figure 5 5 Press the key START on the Multiservicer XA to measure impedance Result of measured impedance is displayed on L C display and all results related to selected subfunction are transferred to the Multiservicer XA and displayed Save results optional 11 A 1143 Euro Z 290 A adapter Operation 4 6 Messages displayed on master instruments Master instrument does not recognize Euro Z 290 A adapter it is not connected to the master instrument ACAP Abie itis not switched on Check serial communication and power on the adapter Eurotest 61557 Mains voltage out of measuring range lt 90 V Voltage Uln lt 100V Test nodes of the adapter are not connected to tested Voltage Ulpe lt 100V installation Eurotest AT XA Tested installation is disconnected Multiservicer XA Voltage Eurotest 61557 Mains voltage out of range Voltage Uln gt 440V Tested installation does not coves ratings of the adapter Eurotest AT XA Multiservicer XA Voltage ereanency Frequency is out of range
11. dance gt EEE Inductive part of impedance In sub menu the following parameters are displayed IscMaxL Pe Maximum prospective fault current IscMinL Pe Minimum prospective fault current IscStd Standard prospective fault current U o ne Contact voltage at maximum prospective fault current Contact voltage is measured against probe S terminal if it is connected according to figure 5 5 Notes JO E Eurotest instruments keep maximum display range of 1 999 mQ for low impedance results i e when measured impedance is higher than 1 999 mQ they will display R gt 1 999 mQ while the impedance adapter A1143 displays result and activates its indicator R gt 1 999 mQ The Impedance adapter A1143 is automatically recognized by Eurotest AT XA in its Z line and Z loop functions when the connection between the adapter and the instrument is active 16 A 1143 Euro Z 290 A adapter Maintenance 6 Maintenance 6 1 Periodic calibration lt is essential that the adapter is regularly calibrated in order technical specification listed in this manual to be guaranteed We recommend an annual calibration The calibration should be done by an authorised technical person only Please contact your dealer for further information Note a Good praxis is to make measurements frequently on the electrical installation with well known impedance It is recommended to calibrate the A1143 when result of such test di
12. ective earth conductor 5 2 1 How to perform high precision fault loop impedance measurement Step 1 Connect Euro Z 290 A adapter to the Eurotest instrument Connect the test cable to the Euro Z 290 A adapter select high precision loop impedance function with function selector switch and F1 FUNC key Function is selected when the following menu is displayed Z LOOP mQ L PE Figure 5 4 High precision fault loop impedance menu Press U f key to change displayed parameter between Ulpe mains voltage between phase L and protective PE terminals and mains frequency f Step 2 Connect the test cable to the item under test Follow the connection diagrams shown in figure 5 5 to perform fault loop impedance measurement Figure 5 5 Loop impedance and contact voltage Us measurement 15 A 1143 Euro Z 290 A adapter Measurements Step 3 Consider any warning before starting the measurement If OK press the START key on the Eurotest instrument The measurement results appear on the display By pressing DISP key standard and non standard values of prospective fault loop current can be viewed Z LOOP mQ L PE Z LOOP mQ L PE WO 5 2 O Isc 422A IscMaxL Pe 422A mi R 570mQ IscMinL Pe D55A Xl 53 MQ IscStd 402A Figure 5 6 Example of high precision fault loop impedance measurement result Displayed results ISO nnna Prospective fault current IscStd Standard prospective short circuit current ee Resistive part of impe
13. elect high precision line impedance function with function selector switch and F1 FUNC key Function is selected when one of the following menus is displayed ANETE CE A EE e es MC R ma Xl ____mQ 18 35 27 Un 230V Figure 5 1 High precision line impedance menu Press U f key to change displayed parameter between Uln mains voltage between phase L and neutral N terminals and mains frequency f 13 A 1143 Euro Z 290 A adapter Measurements Step2 Connect the test cable to the item under test Follow the connection diagram Step 3 shown in figure 5 2 to perform line impedance measurement L1 om 9 i M S A k Mr N i ee ee PE lL LN Ry F Ki PIICI GIP2 s Figure 5 2 Phase neutral or phase phase line impedance measurement Consider any warning before starting the measurement If OK press the START key on the Eurotest instrument The measurement results appear on the display By pressing DISP key standard and non standard values of prospective short circuit current can be viewed AWEN AN 3 lt lt 5 2 O Isc 422A IscMaxL N 422A M4 R 570mQ IscMinL N 255A Xl 48 mQ IscStd Figure 5 3 Example of high precision line impedance measurement results Displayed results Co Prospective short circuit current IscStd Standard prospective short circuit current een Resistive part of impedance C eres Inductive part of impedance In sub menu the follo
14. ffers for more than 10 6 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 adapter to dry totally before use Warnings a Do not use liquids based on petrol or hydrocarbons a Do not spill cleaning liquid over the instrument 6 3 Service For repairs under warranty or at any other time please contact your distributor Manufacturer address METREL D D Ljubljanska cesta 77 SI 1354 Horjul Unauthorised person is not allowed to open the Euro Z 290 A adapter There are no user replaceable components inside the adapter 17 A 1143 Euro Z 290 A adapter Technical specifications 7 Technical specifications 7 1 High precision line impedance Measuring range according to EN61557 3 12 0 mQ 19 99 Q Range Q Resolution mQ 0 1m 199 9m 5 200m 1999m een 2 00 19 99 5 10 MO Measuring voltage range n nn 90 V 530 V Nominal voltage range nen nn 100 V 440 V Nominal frequency cccceeeeeseeeeeeeeees 50 Hz Maximum test current at 400V 267 A 10 ms Displayed R and X values are indicative Calculation of prospective short circuit current standard voltage value 230 V a U n 230 V 10 400 V keca UL 400 V 10 Calculation of prospective short circuit current non standard voltage value Ikmaxapn Oua nea x
15. r Select proper subfunction with the key UP DOWN Connect the Euro Z 290 A to tested installation For measurement L L and or L N impedance see chapter 5 1 figure 5 1 For measurement L PE impedance see chapter 5 2 figure 5 5 a Pressthekey TEST on the Eurotest AT XA to measure impedance a Result of measured impedance is displayed on L C display and all results related to selected subfunction are transferred to the Eurotest 61557 and displayed a Save results optional DOODO When recognized the Eurotest AT XA automatically offers operation with the impedance adapter and displays in the terminal voltage monitor field the voltage and frequency measured by the adapter at its input See chapter 4 2 Single testin user manual for Eurotest AT XA Note a Eurotest AT 3101 and Eurotest XA MI 3105 accept measured results up to 2 Q Higher values are indicated as overrange and any other displayed results can be disregarded in this case 10 A 1143 Euro Z 290 A adapter Operation 4 5 Operation with the MI 3321 Multiservicer XA Connection with MI 3321 Multiservicer XA Figure 4 3 Connection of the Euro Z 290 A adapter to the Multiservicer XA Operation procedure with MI 3321 Multiservicer XA JO E E Connect communication interface cable RS 232_9pin_female RS 232_9 pin_male to the Multiservicer XA and the Euro Z 290 A See figure 4 3 Turn power on the instrument and the adapter Select me
16. rent IscStd Standard prospective short circuit current Touch voltage if probe is inserted into s socket 4 2 LED indicators Power indication Flashing LED indicates low battery ON Note a The adapter prohibits measurements and communication when low battery is detected TEST Measurement status LED is activated while measurement is running Adapter overheated HOT Temperature of internal components in the adapter reached top limit Measurement is prohibited until temperature is lower than that limit Nominal mains voltage out of range LED indicates that Upj p2 is less than 100 V or higher than 440 V Note a Voltage range for measuring is 90 V 530 V Impedance higher than 2 Q was measured A 1143 Euro Z 290 A adapter Operation 4 3 Operation with the MI 2086 Eurotest 61557 Eurotest applied functions and subfunctions Z LINE mQ L N Z LINE mQ L L Z LOOP mQ L PE Connection with MI 2086 Eurotest 61557 J METREI Ce s v j S er Figure 4 1 Connection ofthe Euro Z 290 A adapter to the Eurotest instrument Operation procedure with MI 2086 Eurotest 61557 Q E Q Connect communication interface cable RS 232_9pin_female RS 232_9 pin_male to the Eurotest 61557 and the Euro Z 290 A See figure 4 1 Turn power on the instrument and the adapter Select measurement function ZLINE or ZLOOP on the Eurotest 61557 and proper subfunction with the key F1 The Eurotest 61557 recognizes the adapter
17. rform high precision line impedance measurement u 2 0 13 5 2 High precision fault loop impedance contact VOItaGe ccccccseeeeeeseeeeeeeeneees 15 5 2 1 How to perform high precision fault loop impedance measurement 15 6 Maintenance einen 17 Ol Penodi eal alon ernten ee 17 62 GICAWING essen 17 63 SEN ee 17 7 kechniealSspeciiicalions un 18 7 1 High precision line impedance u0202002020020n0nnnnnnnnnn anne nnnn nenn nenn nnnnn nennen 18 7 2 High precision fault loop impedance u0z2z002020020000nnnn none anne nenn nennen 19 73 SOV ACN OAS tras ies it ee 19 1 4 GENTO ns 19 A 1143 Euro Z 290 A adapter Preface 1 Preface Congratulations on your purchase of the Euro Z 290 A from METREL The electrical installation impedance measuring adapter was designed on basis of rich experience acquired through many years of dealing with electric installation test equipment The Euro Z 290 A high current impedance adapter is a professional portable test adapter intended for low impedance measurements in environments up to 310 V CAT IV It can operate alone or in combination with the METREL instruments High precision line impedance and high precision fault loop impedance measurements in range from 1 mQ up to 19 99 are its excellence Typical applications are impedance measurements in proximity of supply transformers Supported instruments are Eurotest 61557
18. ry The instrument uses four C size IEC LR14 alkaline or rechargeable Ni MH battery cells Nominal operating time is declared for cells with nominal capacity of 4500 mAh LED ON indicates battery condition Blinking LED means weak battery and the instrument prevents any impedance measurement Weak battery shall be replaced by new or recharged A 1143 Euro Z 290 A adapter Safety and operational considerations Battery replacement procedure m A Disconnect all test leads before opening battery compartment cover hazardous voltage inside a Turn off the instrument Unscrew and remove battery cover a Always replace all 4 battery cells Use always equal type of size C IEC LR14 battery cells alkaline or Ni MH a Insert cells correctly otherwise the adapter will not operate and the battery could be discharged or even damaged a Return battery cover and fix its screws a The instrument is prepared for using E Notes a lf the adapter is not to be used for longer time remove complete battery from the battery compartment a Take into account handling maintenance and recycling requirements that are defined by related regulations and manufacturers of alkaline or rechargeable batteries 2 3 Standards applied The Euro Z 290 A high current impedance adapter is manufactured and tested in accordance with the following regulations Electromagnetic compatibility EMC IEC EN 61326 1 Electrical equipment for measurement control
19. wing parameters are displayed for line to neutral measurement IscMaxL N Maximum one phase prospective short circuit current IscMinL N Minimum one phase prospective short circuit current IscStd Standard prospective short circuit current When testing phase to phase line impedance the following parameters are displayed in sub menu 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 Standard prospective short circuit current 14 A 1143 Euro Z 290 A adapter Measurements Notes a Eurotest instruments keep maximum display range of 1 999 mQ for low impedance results i e when measured impedance is higher than 1 999 mQ they will display R gt 1 999 mQ while the impedance adapter A1143 displays result and activates its indicator R gt 1 999 mQ a The Impedance adapter A1143 is automatically recognized by Eurotest AT XA in its Z line and Z loop functions when the connection between the adapter and the instrument is active 5 2 High precision fault loop impedance contact voltage Loop impedance is the impedance within the fault loop when a short circuit to an exposed conductive parts occurs conductive connection between phase conductor and prot
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