Instruction manual MI3122
Contents
1. Ey Sonn G lide Ame 35 ome woe farms 11 1m wee 7 SHAMS mE L PE HN 5 e 0 23 PR Sonn G 1146 ma 35 TMS Testing RCD Pn Son G xig Hms 35 ome woe farma 11 1m 1 td roams B6me L FE H e m o 239 PR Son G 1146 ma 35 fms woe farms 11 1m woe farma 11 1m pri theme BES pre gt T 6me 3 66m la ZA AmA mA _ Ey Son G lide Ame 35 ome xo Tarma 11 1m pee Tb6me ABS 2 AMA Yr mA ee ee E L PE H pie eT Bottom Figure 5 7 Two parts of result field in RCD autotest Displayed results gt ere Step 1 trip out time t2 A IAN 0 X eee Step 2 trip out time t A IAN 180 AD adds Step 3 trip out time t A OxIAN 0 KO caren Step 4 trip out time t ii OxIAN 180 X72 woven Step 5 trip out time tt n 2xlAN 09 X72 annn Step 6 trip out time tz xIAN 180 Pee Step 7 trip out current 09 Pee Step 8 trip out current 180 WJC ances Contact voltage for rated IAN 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 x5 tests in case of testing the RCD type A with rated residual currents of An 300 mA 500 mA and 1000 mA In this case auto test result passes if all other results pass and indications for x5 are omitted Tests for sensitivity l steps 7 and 8 are omitted for selective type RCD 29 MI 31222. 0 15 of reading 10 digits 20 0 99 9 a 0 15 of reading The accuracy is valid if mains voltage is stabile during the measurement and PE terminal is free of interfering voltages TOS CURFENG scott dais max 0 5xlan Limit contact voltage 20 V 50 V Specified accuracy is valid for complete operating range 46 MI 3122 Smartec Z Line Loop RCD Technical specifications 8 1 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 0 40 0 1 ms 0 1 a A a aE For max time see normative references in 4 2 6 this specification applies to max time gt 40 ms RA tect anneal VYoxlan lan 2XlAN OXIAN 5xlan is not available for lan 1000 mA RCD type AC or lan 2 300 mA RCD type A 2xlan is not available for l y 1000 mA RCD type A Specified accuracy is valid for complete operating range 8 1 4 Trip out current Trip out current Complete measurement range corresponds to EN 61557 requirements Measuring range I Resolution I 0 2xlan 1 1xlan AC type 0 2xlan 1 5xlan A type lan 230 mA 0 05xlan 0 1xlan 0 2xlan 2 2xlan A type lan lt 30 mA Trip out time Measuring range ms Resolution ms 0 300 Contact voltage Measuring range V Resolution V 0 0 19 9 0 1 0 15 of reading 10 di
3. SMARI EC Z Line Loop RCD MI 3122 Instruction manual Version 1 2 Code no 20 751 245 Aly gt METREL Distributor Manufacturer METREL d d Ljubljanska cesta 77 1354 Horjul Slovenia web site http www metrel si e mail metrel metrel si 2008 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 1 2 4 MI 3122 Smartec Z Line Loop RCD Table of contents PROT ACC nn deed donde dundee E A EN 5 Safety and operational consideratiONS ccconncccnnncccncnnncnnnccnnnnncnannnennnnnnnanarenannnenannns 6 Zalh VV ARMINIGS Al A a tatete ed 6 Ze Battery and CHANGING eara TA NRA 8 2 2 1 New battery cells or cells unused for a longer perlOd oocoooccconccoocnocooonoo 9 293 12 g 8 2 16 orc Pla 10 INSIFUIMENT CE SCA DUO Nr EAAS 11 3 1 o A eet 11 32 COMNECION PD MESA AAA AAA 12 SH BICK Sl Ad 13 24 BES Bla ONONO N oi 14 3 4 1 TOMA VOD MONO ds 14 S42 BAM INGICQION ERA AAA RAE E A 14 gao Message O AA A RNE EDENS 14 3AA POSUNE Oirean E EA Aaa 15 BAO GOUNA A e EE ONE ea EAI ENa TTE 15 246 OIDO SCICCING eyre T E AEL E EA R E 15 3 4 7 Backlight and Contrast adjuStMentS ooccconnccconicccnnnoconnoonnnonannonannonannonannonannos 16 3 5 Instrument Set ANd accessSorles ccoocc
4. parts This is a very dangerous situation since the PE wire and MPEs are considered to be earthed An often 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 D aim a a i Reversed phase and protection conductors THE MOST DANGEROUS ISITUATION DA 1 Figure 5 18 Reversed L and PE conductors application of plug commander L1 N DE gt lt Reversed phase and 1 protection conductors PELI lt lt j MOST DANGEROUS NILLAN IN i SITUATION Si Figure 5 19 Reversed L and PE conductors application of universal test cable 36 MI 3122 Smartec Z Line Loop RCD PE test terminal PE terminal test procedure Connect test cable to the top of the instrument Connect test leads to the to the item to be tested see figures 5 18 and 5 19 Touch PE test probe the TEST key for at least one second lf 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 a If dangerous voltage is detected on the tested PE terminal immediately stop all measurements find and remove the fault Notes a Inthe SETTINGS and VOLTAGE TRMS menus the PE terminal is not tested o PE test termi
5. FUSCTADIS el ge eee eee O en nee eee eee E eee eee 51 Az IRUsSctable IMPeralices Ue E pacas 53 B Appendix B Accessories for specific measureMentS cocccoccconcconccnnnnonncnanenaso 55 MI 3122 Smartec Z Line Loop RCD 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 Smartec Z Line Loop RCD is intended for tests and measurements required for inspection of electrical installations in buildings In general for the following tests and measurements a True rms voltage frequency and phase sequence a Line impedance a Loop impedance a RCD protection The graphic display with backlight offers easy reading of results indications measurement parameters and messages Two LED Pass Fail indicators are placed at the sides of the LCD The operation of the unit is clear and simple the 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 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 instrument is equipped with all the necessary accessory for comfortable
6. No of selected object Sub level level 2 in the structure BLOCK Gal a BLOCK 2 level location name a 001 No of selected system Sub level level 3 in the structure FUSE 661 a FUSE 3 level location name a 001 No of selected element 38 MI 3122 Smartec Z Line Loop RCD Memory organization Measurement field line Type of stored measurement in the selected location No of selected test result No of all stored test results in selected location No 243 39 MI 3122 Smartec Z Line Loop RCD Storing test results 6 3 Storing test results After the completion of a test the results and parameters are ready for storing el icon is displayed in the information field By pressing the MEM key the user can store the results EER OBJECT B i BLOCK FUSE Hal 4141 Hemor free 99 6 Figure 6 2 Save test menu Memory free 97 6 Memory available for storing results Keys in save test menu data structure field TAB Selects the location element Object Block Fuse UP DOWN Selects number of selected location element 1 to 199 MEM Saves test results to the selected location and returns to the measuring menu Function selectors Exits back to main function menu TEST Notes a The instrument offers to store the result to the last selected location by default a If the measurement is to be stored to the same location as the previous one just press the MEM key twic
7. Smartec Z Line Loop RCD Fault loop impedance 5 2 Fault loop impedance and prospective fault current Fault loop is a loop comprised by mains source line wiring and PE return path to the mains source The instrument measures the impedance of the loop and calculates the short circuit current and contact voltage The measurement is covered by requirements of the EN 61557 3 standard See chapter 4 7 Function selection for instructions on key functionality A F Isct___H Limi__ H L FE N L 231 0 el Figure 5 8 Fault loop impedance Test parameters for fault loop impedance measurement Selection of fault loop impedance sub function Zloop Zs rcd Fuse type 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 See Appendix A for reference fuse data Circuits for measurement of fault loop impedance ms O ms m Al ill Figure 5 9 Connection of plug cable and universal test cable 30 MI 3122 Smartec Z Line Loop RCD Fault loop impedance Fault loop impedance measurement procedure Select the 4ifele s function using the function selector switch Select test parameters optional Connect test cable to the top of the Smartec Z Line Loop RCD Connect test leads to the to the item to be tested see figure 5 9 Press the TEST key to perform the measurement Store th
8. The help menus contain 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 main function menu generates help screen for selected function Keys in help menu UP DOWN Selects next previous help screen HELP scrolls through help screens Function selectors TEST Exits help menu Figure 3 6 Examples of help screens Noite a Function of the key Help is modified to DISPLAY in RCD Auto 15 MI 3122 Smartec Z Line Loop RCD Display organization 3 4 7 Backlight and contrast adjustments With the BACKLIGHT key backlight and contrast can be adjusted Click Toggles backlight intensity level Locks high intensity backlight level until power is turned off or the key is pressed again Keep pressed for 2s Bargraph for LCD contrast adjustment is displayed Keep pressed for 1 s LCD CONTRAST Ske Figure 3 7 Contrast adjustment menu Keys for contrast adjustment DOWN Reduces contrast UP Increases contrast TEST Accepts new contrast Function selectors Exits without changes 16 MI 3122 Smartec Z Line Loop RCD 3 5 Instrument set and accessories 3 5 1 Standard set Instrument Short instruction manual Product verification data Warranty declaration Declaration of conformity Mains measuring cable Universal test cable Three test tips DOODO DODDO 3
9. connect a PC USB port to the instrument USB connector using the USB interface cable Switch on the PC and the instrument Run the Eurolink program The PC and the instrument will automatically recognize each other The instrument is prepared to download data to the PC The program Eurolink is a PC software running on Windows 95 98 Windows NT Windows 2000 Windows XP Windows Vista Read the file README EuroLink txt on CD for instructions about installing and running the program Note a USB drivers should be installed on PC before using the USB interface Refer to USB installation instructions available on installation CD 44 MI 3122 Smartec Z Line Loop RCD Cleaning Calibration Service 7 Maintenance Unauthorized persons are not allowed to open the Smartec Z Line Loop RCD instrument There are no user replaceable components inside the instrument except the battery under rear cover 7 1 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 a Do not use liquids based on petrol or hydrocarbons a Do not spill cleaning liquid over the instrument 7 2 Periodic calibration It is essential that the test instrument is regularly calibrated in order that the technical specification listed in this manual is guaranteed We recommend an annual calibrati
10. ne i Figure 5 4 Erani of trip out time measurement results Displayed results aims Trip out time Uc Contact voltage for rated lan 26 MI 3122 Smartec Z Line Loop RCD Testing RCD 5 1 3 Trip out current RCD I 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 Sloperange RCD type elope rango Waveform Start value End value A lan gt 30 mA Pulsed A lan 10 mA seal Maximum test current is la trip out current or end value in case the RCD didn t trip out Trip out current measurement procedure Select the 1813 function using the function selector switch Set sub function RCD I Set test parameters if necessary Connect test cable to the top of the instrument Connect test leads to the to the item to be tested see figure 5 2 Press the TEST key to perform the measurement Store the result by pressing the MEM key optional Ha 7 Bron Ma i T TE sr A A p KEk eee gem Trip out After the RCD is turned on again Figure 5 5 Trip out current measurement result example Displayed results A Trip out current Ucl Contact voltage at trip out current or end value in case the RCD didn t trip i EREE Trip out time 5 1 4 RCD Autotest RCD autotest function is intended to perform a complete RCD test trip ou
11. testing MI 3122 Smartec Z Line Loop RCD Warnings and notes 2 Safety and operational considerations 2 1 Warnings and notes In order to reach high level of operator s safety while carrying out various tests and measurements using Smartec Z Line Loop RCD as well as to keep the equipment undamaged it is necessary to consider the following general warnings a A Warning on the instrument means Read the Instruction manual with a special care to safety operation The symbol requires an action If the test equipment is used in a manner not specified in this user manual the protection provided by the equipment might be impaired 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 Do not use the instrument and accessories If any damage is noticed Consider all generally known precautions in order to avoid risk of electric shock while dealing with hazardous voltages Do not use the instrument in supply systems with voltages higher than 600 V Service intervention or adjustment and calibration procedure is allowed to be carried out only by a competent authorized person Use only standard or optional test accessories supplied by your distributor Consider that older and some of new optional test accessories compatible with this instrument meet overvoltage category CAT lll 300 V It means that maximum allowed voltage between test termi
12. 2 1152 20 1 184 20 092 092 25 0 0315301472 1472 25 0738 0738 2 32 0 301 1152 1152 32 0576 0576 40 f O o92 40 0456 0456 2 50 0736 0735 50 0368 0368 6s sea 0584 63 0288 0288 80 p80 0232 0232 0368 0368 100 0184 0184 1235 02 029 125 0144 0144 Fuse type D Fuse type BS 1361 Rated current 04 5 curent 04 5 A o 6 1536 1538 C 082 092 P 576 05768 P 0456 0 456 o 0368 0 368 0 288 0 288 60 022 0232 80 J d OA O o oaa 0184 100 288 fe AA Coe Loa A A o Aa A y A A e E 0088 0088 l S o 0072 0072 53 100 100 MI 3122 Smartec Z Line Loop RCD Fuse table Fuse type BS 88 Fuse type BS 1362 Rated Disconnection time s Rated Disconnection time s current gt 04 5 cument 04 5 A A Ce eae we 3 ee Be o sees 13 ise ao Cwe i w lo 20 me 23 Fuse type BS 3036 as ms isa Rated oa nm current o4 5 Cs os 5 res f e ao o All impedances are scaled with factor 0 8 54 MI 3122 Smartec Z Line Loop RCD Appendix B B Appendix B Accessories 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 so
13. 5 2 Optional accessories 0DOD O Instrument set and accessory Three alligator clips Set of NiMH battery cells Power supply adapter CD with instruction manual and Guide for testing and verification of low voltage installations handbook Soft hand strap See the attached sheet for a list of optional accessories that are available on request from your distributor 17 MI 3122 Smartec Z Line Loop RCD Function selection 4 Instrument operation 4 1 Function selection For selecting test function the FUNCTION SELECTOR shall be used Keys Select test measurement function FUNCTION J lt VOLTAGE TRMS gt Voltage and frequency and phase sequence SELECTOR a lt Z LINE gt Line impedance a lt Z LOOP gt Fault loop impedance a lt RCD gt RCD testing a lt SETTINGS gt General settings UP DOWN Selects sub function in selected measurement function TAB Selects the test parameter to be set or modified TEST Runs selected test measurement function MEM Stores measured results recalls stored results Keys in test parameter field UP DOWN Changes the selected parameter TAB Selects the next measuring parameter FUNCTION SELECTOR Toggles between the main functions MEM Stores measured results recalls stored results General rule regarding enabling parameters for evaluation of measurement test result OFF No limit values Parameter Value s results will be marked as PASS or FAIL in ON owe accord
14. ance with selected limit See Chapter 5 for more information about the operation of the instrument test functions 18 MI 3122 Smartec Z Line Loop RCD Settings 4 2 Settings Different instrument options can be set in the SETTINGS menu MEMORY SET DHTE TIME Options are a Selection of language a Setting the instrument to initial values a Recalling and clearing stored results SET DATE TIME a Setting the date and time RED testing l SET Tec FAL Tr a Selection of reference standard for RCD test Entering Isc factor Support of commanders O O SET DATE TIME RED TESTING SET Z FACTOR COMMANDER ON OFF UOISIOA YN Figure 4 1 Options in Settings menu Keys UP DOWN Selects appropriate option TEST Enters selected option Function selectors Exits back to main function menu 4 2 1 Language The instrument supports different languages BSELECT LANGUAGE Figure 4 2 Language selection Keys UP DOWN Selects language TEST Confirms selected language and exits to settings menu Function selectors Exits back to main function menu 19 MI 3122 Smartec Z Line Loop RCD Settings 4 2 2 Initial settings INITIAL SETTINGS Selecting this option will allow the user to reset eters COn Ports the instrument settings and measurement Boe eee BET parameters and limits to the manufacturers factor RCD standard standard values Will be set to default Figure 4 3 Initial settings dial
15. and is multiplied by an appropriate factor depending on RCD type and type of test current The 1 05 factor is applied to avoid negative tolerance of result See table 5 1 for detailed contact voltage calculation factors Contact voltage Uc proportional to Rated lan 1 05xl1m 1 4x1 05xlan gt 2x1 05xlan lt 30 mA Table 5 1 Relationship between Uc and lan 25 MI 3122 Smartec Z Line Loop RCD Testing RCD Loop resistance is indicative and calculated from Uc result without additional proportional factors according to R lic 5 Ami o SH S6mA GG Sel ue dv y ue O Ov v Bi 11248 Fmax 16670 L PE H Pa sest BB rs UK version Figure 5 3 Example of contact voltage measurement results Displayed results Uc Contact voltage Ria Fault loop resistance Rmax Maximum earth fault loop resistance value according to BS 7671 5 1 2 Trip out time RCDt Trip out time measurement verifies the sensitivity of the RCD at different residual currents Trip out time measurement procedure Select the 813 function using the function selector switch Set sub function RCDt Set test parameters if necessary Connect test cable to the top of the instrument Connect test leads to the to the item to be tested see figure 5 2 Press the TEST key to perform the measurement Store the result by pressing the MEM key optional Sma xiv GO gt 300 Uc A 2U HB 6 6
16. ative humidity 90 RH 10 C 40 C 80 RH 40 C 60 C Communication transfer speed ROZI A A 115200 baud A A ET EET E 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 50 MI 3122 Smartec Z Line Loop RCD Fuse table A Appendix A Fuse table A 1 Fuse table IPSC Fuse type NV Rated Disconnection time s current A 4 65 6 46 4 38 8 31 9 18 7 o 6 1028 0370 5 amp 5 464 267 80 dera 1331 9649 8365 479 Fuse type gG Rated current A 6 1028 _ 7 5 amp 5 464 267 2 80 15672 11331 9649 8365 4479 3l MI 3122 Smartec Z Line Loop RCD Fuse table Fuse type B Rated Disconnection time s current Disconnection time s Min prospective short circuit current A o 5 o 5 9 51 Disconnection time s o 3m 01 02 04 1 Min prospective short circuit current A 52 MI 3122 Smartec Z Line Loop RCD Fuse table Fuse type D Rated Disconnection time s current 25 A 2 Fuse table impedances UK Fuse type B Fuse type C Rated Rated current 04 5 current 04 5 A A 3 12 264 12254 6 _ 6e 6136 6 3064 3064 10 368 368 10 3 184 184 16 O 22 22 16 115
17. d time will be measured only if the contact voltage pretest passed successfully L and N test terminals are reversed automatically according to detected terminal voltage except in UK version It can happen that the RCD trips out during the safety pretests Possible reasons for trip out are incorrect set RCD parameters lan existing leakage currents or defective RCD Z LOOP a a a a The Z LOOP impedance function will trip out the RCD in RCD protected installation that is tested Use the Zs rcd impedance function to prevent the trip out The Zs rcd impedance function takes longer time to complete but has much better accuracy then R sub result in RCD Uc function Specified accuracy of tested parameters is valid only if mains voltage is stable during the measurement L and N test terminals are reversed automatically according to detected terminal voltage except in UK version Z LINE a In case of measurement of Zbine Line With the instrument test leads PE and N connected together the instrument will display a warning of dangerous PE voltage The measurement will be performed anyway Specified accuracy of tested parameters is valid only if mains voltage is stable during the measurement L and N test terminals are reversed automatically according to detected terminal voltage except in UK version MI 3122 Smartec Z Line Loop RCD Battery and charging 2 2 Battery and charging The instrument uses six AA size alka
18. e 6 4 Recalling test results Press the MEM key in a main function menu when there is no result available for storing or select MEMORY in the SETTINGS menu BRECALL RESULTS OBJECT B l BLOCK Bil Figure 6 3 Recall menu data structure Figure 6 4 Recall menu measurements field selected field selected 40 MI 3122 Smartec Z Line Loop RCD Storing test results Keys in recall memory menu data structure field selected Selects the location element Object Block Fuse TAB Enters measurements field UP DOWN Selects number of selected location element 1 to 199 Function selectors TEST Exits back to main function menu Keys in recall memory menu measurements field selected UP DOWN Selects the stored measurement MEM Displays measurement results Function selectors TEST Exits back to main function menu Figure 6 5 Example of recalled measurement result Keys in recall memory menu measurement results are displayed UP DOWN Displays measurement results stored in selected location MEM TEST Return to main MEM menu Function selectors Exit back to main function menu 41 MI 3122 Smartec Z Line Loop RCD Clearing stored data 6 5 Clearing stored data 6 5 1 Clearing complete memory content Select CLEAR ALL MEMORY in MEMORY menu A warning see fig 6 6 will be displayed CLEAR ALL MEMORY All saved results will be lost Figure 6 6 Clear all memory Ke
19. e a This option is intended to disable the commander s remote keys In case of high EM interfering noise the operation of the commander s key can be irregular 23 MI 3122 Smartec Z Line Loop RCD Testing RCD 5 Measurements 5 1 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 Contact voltage Trip out time Trip out current RCD autotest DOCOO CU See chapter 4 1 Function selection for instructions on key functionality LE 2 ma sa I E Us U p L PE Ho 220 04 i E ii 3J E Figure 5 1 RCD test Test parameters for RCD test and measurement TEST RCD sub function test RCDt RCD I AUTO Uc lan Rated RCD residual current sensitivity lan 10 mA 30 mA 100 mA 300 mA 500 mA 1000 mA RCD type 6l 5 test current waveform plus starting polarity 7 Multiplication factor for test current 2 1 2 5 lan Conventional touch voltage limit 25 V 50 V Notes a Ulim can be selected in the Uc sub function only The instrument is intended for testing of General non delayed and Selective time delayed RCDs which are suited for a Alternating residual current AC type marked with symbol a Pulsating residual current A type marked with lt symbol a Time delayed RCDs have de
20. e Legend Side belt Battery compartment cover Fixing screw for battery compartment cover Back panel information label Holder for inclined position of the instrument Magnet for fixing instrument close to tested item optional OOA OG NM Figure 3 4 Battery compartment Legend 1 Battery cells Size AA alkaline or rechargeable NiMH NiCd 2 Serial number label 13 MI 3122 Smartec Z Line Loop RCD Display organization 3 4 Display organization a Ilsc 55 3A_ Lim 18 TA Z 4 1 6 aG 4H 5s Test parameter field Isc 55 3A Li Les li E a pi BE Message field 216 a F 230 200 n e Terminal voltage 230 monitor Figure 3 5 Typical function display loop Function name 7 4 1 6 Y Result field Battery indication 3 4 1 Terminal voltage monitor The terminal voltage monitor displays on line the voltages on the test terminals and information about active test terminals L PE H 2 S 0 231 L PE H S2310 0 zal 200 O e 230 Online voltage is displayed together all test terminals are used for selected measurement L and N test terminals are used for selected measurement L and PE are active test terminals N terminal should also be connected for correct input voltage condition 3 4 2 Battery indication The indication indicates the charge condition of battery and connection of external charger ir Batte
21. e 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 22 MI 3122 Smartec Z Line Loop RCD Settings 4 2 6 Isc factor SET Isc FACTOR Isc factor for calculation of short circuit current in Z LINE and Z LOOP can be selected in this menu Isc factor IEEE Figure 4 7 Selection of Isc factor Keys UP DOWN Sets Isc value TEST Confirms Isc value Function selectors Exits back to main function menu 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 Isc factor ksc is 1 00 The value should be set according to local regulative Range for adjustment of the Isc factor is 0 20 3 00 Notes a If not defined by other regulations the recommended value for Isc factor is 0 75 0 80 This value helps to consider the maximum working temperature for the installation and heating of the wires during a fault a In UK version impedance scaling factor Z is used instead of prospective short fault scaling factor Isc 4 2 7 Commander Selecting this option the support for remote commanders can be switched On Off in this menu Figure 4 8 Selection of commander support Keys UP DOWN Selects commander option TEST Confirms selected option Function selectors Exits back to main function menu Not
22. e result by pressing the MEM key optional floor BS3856 15H 0 465 Y Isc 495A _ Limi4 19 L PE H BB a BS3656 15H 2s 0 49 v Tsc 346H Lim 168 648 lsc 46H Limi t 195 L r E 4 pau eg UK version Figure 5 10 Examples of loop impedance measurement result Displayed results y E Fault loop impedance Ce Prospective fault current LA sesers Low limit prospective short circuit current value or high limit fault loop impedance value for the UK version Prospective fault current Isc is calculated from measured impedance as follows I Unx koc SC Z where Un Nominal U_ pe voltage see table below KSC sue Correction factor for Isc see chapter 4 2 6 Input voltage L PE 100 V lt U pe lt 160 V Notes Q High fluctuations of mains voltage can influence the measurement results the noise sign HiH is displayed in the message field In this case it is recommended to repeat few measurements to check if the readings are stable 4 This measurement will trip out the RCD in RCD protected electrical installation if test Zloop is selected a Select Zs rcd to prevent trip out of RCD in RCD protected installation 31 MI 3122 Smartec Z Line Loop RCD Line impedance 5 3 Line impedance and prospective short circuit current Line impedance is measured in loop comprising of mains voltage source and line wiring It is covered by requirements of the EN 61557 3 standard See chapter 4 7 Function s
23. eading 1 digit Nominal voltage range 20 V 550 V 8 5 Online terminal voltage monitor Measuring range V Resolution V 0 550 2 of reading 2 digits 49 MI 3122 Smartec Z Line Loop RCD Technical specifications 8 6 General data Power supply voltage 9 Voc 6x1 5 V battery or accumulator size AA OPEN misa typical 20 h Charger socket input voltage 12V 10 Charger socket input current 400 mA max Battery charging current 250 mA internally regulated Overvoltage Category ooccocccoccco 600 V CAT III 300 V CAT IV Plug commander overvoltage category 300 V CAT III Protection classification double insulation Pollution degree ooccocccoccccncoccocnnos 2 Protection degree ooccoocccccccccoconcnnos IP 40 CS A 128x64 dots matrix display with backlight Dimensions w x h x d ccc cece eee 14 cm x 8 cm x 23 cm VVGIGQMU gt sccusedacn2cendasccnacenceeenecsctuaacenetcas xx 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 0cccceeeeeeees 10 C 70 C Maximum rel
24. election for instructions on key functionality Isc A Limi___H PE HN L G a 0 020 i 230 Figure 5 11 Line impedance Test parameters for line impedance measurement 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 See Appendix A for reference fuse data Connections for measurement of line impedance Figure 5 12 Phase neutral or phase phase line impedance measurement connection of plug commander and universal test cable Line impedance measurement procedure Select the 748i function using the function selector switch Select test parameters optional Connect test cable to the top of the instrument Connect test leads to the to the item to be tested see figure 5 12 Press the TEST key to perform the measurement Store the result by pressing the MEM key optional 32 MI 3122 Smartec Z Line Loop RCD Line to neutral Eso 6H 2s 0 742 v lsci 13HA_ Limits 26i sc 55 TH Lim LS LH raed Line impedance EGSA cC 32H 35ms 0 28 1sc 1 43kH E s H gH G en 202009 1 Line to line Booed 6H Hs 0 32 v Isc i 22kALim 5 28i e200 O 6112020 BE tgn BE opm UK version Figure 5 13 Examples of line impedance measurement result Displayed results AO Line impedance 1S userseos Prospec
25. er and universal test cable in single phase system 34 MI 3122 Smartec Z Line Loop RCD Voltage frequency phase sequence Voltage measurement procedure Select the Ae yite 9451 function using the function selector switch Connect test cable to the top of the instrument Connect test leads to the to the item to be tested see figures 5 15 and 5 16 Store current measurement result by pressing the MEM key optional Measurement runs immediately after selection of We m pye 915118 function VOLTAGE TRS Uiz 31449 fi 56 1Hz Jiz 312 fi 36 BHz Diz Sf4U ye 1 2 3 Wis STi q 3 2 1 1231 Sel 1231 Sra E PE ET ind 6600 i s 374 Gaa A 375 Figure 5 17 Examples of voltage measurement in three phase system Displayed results for single phase system Oa P Voltage between phase and neutral conductors Ulpe Voltage between phase and protective conductors Unpe Voltage between neutral and protective conductors A frequency Displayed results for three phase system UL ad Voltage between phases L1 and L2 UTG Voltage between phases L1 and L3 BA AA Voltage between phases L2 and L3 A A Correct connection CW rotation sequence SZ Pa Invalid connection CCW rotation sequence ida frequency 35 MI 3122 Smartec Z Line Loop RCD PE test terminal 5 5 PE test terminal It can happen that a dangerous voltage is applied to the PE wire or other accessible metal
26. gits 20 0 99 9 0 15 of reading The accuracy is valid if mains voltage is stabile u the measurement and PE terminal is free of interfering voltages Specified accuracy is valid for complete operating range 8 2 Fault loop impedance and prospective fault current 8 2 1 No disconnecting device or FUSE selected Fault loop impedance Measuring range according to EN61557 is 0 25 Q 9 99kQ Measuring range Q Resolution Q 0 00 9 99 0 01 5 9 e 10 0 99 9 Peete 100 996 l LOOK 9 9k A n 47 MI 3122 Smartec Z Line Loop RCD Technical specifications 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 1 loopresistance 1 00K 9 99k 0 measurement 10 0k 23 0k The accuracy is valid if mains voltage is stabile during the measurement Test current at 230 V ee 6 5 A 10 ms Nominal voltage range o oo 30 V 500 V 45 Hz 65 Hz 8 2 2 RCD selected Fault loop impedance Measuring range according to EN6155 7 is 0 46 Q 9 99 KQ Measuring range 0 Resolution 0 0 00 9 99 ja oro or tormes WO clas 1009888 1 fw 1 00k 9 99k altra Acccuracy may be impaired in case of heavy noise on mains voltage Prospective fault current calculated value Measuring range A Resolution A Accuracy 0 00 9 99 0 01 10 0 99 9 Consider accuracy of fa
27. layed 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 24 MI 3122 Smartec Z Line Loop RCD Testing RCD Connections for testing RCD IP mee LL JJ o JJ m _ i Figure 5 2 Connecting the plug commander and the universal test cable 5 1 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 and is present on all accessible conductive parts connected to the PE It shall 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 function using the function selector switch Set sub function Uc Set test parameters if necessary Connect test cable to the top of the instrument Connect test leads to the item to be tested see figure 5 2 Press the TEST key to perform the measurement Store the result by pressing the MEM key optional The contact voltage result relates to the rated nominal residual current of the RCD
28. line 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 displayed in the lower right display part In case the battery is too weak the instrument indicates this as shown in figure 2 1 This indication appears for a few seconds and then the instrument turns itself off TOO LOW 6 6L 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 The power supply socket polarity is shown in figure 2 2 Figure 2 2 Power supply socket polarity The instrument automatically recognizes the connected power supply adapter and begins charging Symbols Indication of battery charging Figure 2 3 Charging indication m A Before opening battery compartment cover disconnect all measuring accessories connected to the instrument and switch off the instrument a Insert cells correctly otherwise the instrument will not operate and the batteries could be damaged a Remove all battery cells from the battery compartment if the instrument is not used for a long period of time a Do not charge alkaline battery cells a Take into account handling maintenance and recycling requirements that are defined by related regulations and manufacturers of alkaline or rechargeable batteries a Use only power
29. me 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 Line impedance a Universal test cable a Plug commander A 1272 a Mains measuring cable a Tip commander A 1270 a Three phase adapter A 1111 Fault loop impedance a Universal test cable a Plug commander A 1272 a Mains measuring cable a Tip commander A 1270 a Three phase adapter A 1111 RCD testing a Universal test cable a Plug commander A 1272 a Mains measuring cable a Three phase adapter A 1111 Phase sequence a Universal test cable a Three phase cable A 1110 a Three phase adapter A 1111 Voltage frequency a Universal test cable a Plug commander A 1272 a Mains measuring cable a Tip commander A 1272 55 MI 3122 Smartec Z Line Loop RCD Appendix B 56
30. n function menu Warning a If the batteries are removed for more than 1 minute the set time and date will be lost 4 2 5 RCD standard RCD normative reference can be selected by this option Figure 4 6 Selection of RCD test standard Keys UP DOWN Selects standard TEST Confirms selected standard Function selectors Exits back to main function menu 21 MI 3122 Smartec Z Line Loop RCD Settings Maximum RCD disconnection times differ in various standards The trip out times defined in individual standards are listed below Trip out times oe E EN EN 61009 a ae a PbS time delayed ta gt 500 ms 130 ms lt ta lt 500 ms 60 ms lt t lt 200 ms 50 ms lt ta lt 150 ms Trip out times according ie EN en ae 41 ie sey re Sa Hines layed ee ed ee et Qe ee ee Trip out times according to BS 7671 Yoxlan pon eyea gt 199ms ti lt 300m8 t lt 150ms a ta gt 1999 ms 130 ms lt ta lt 500 ms 60 ms lt t lt 200 ms 50 ms lt ty lt 150 ms Trip out times according to AS NZ pot to Note lt 0 Tht nw Bate Se Maximum break time aes patna _ _ 7 Minimum test period for current of xl w 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 selectiv
31. nal does not operate in case the operators body is completely insulated from floor or walls 37 MI 3122 Smartec Z Line Loop RCD Memory organization 6 Data handling 6 1 Memory organization Measurement results together with all relevant parameters can be stored in the instrument s memory 6 2 Data structure The instrument s memory place is divided into 3 levels each containing 199 locations The number of measurements that can be stored into one location is not limited The data structure field describes the identity of the measurement which object block fuse and where can be accessed In the measurement field there is information about type and number of measurements that belong to the selected structure element object and block and fuse This organization helps to handle with data in a simple and effective manner The main advantages of this system are a Test results can be organized and grouped in a structured manner that reflects the structure of typical electrical installations a Simple browsing through structures and results a Test reports can be created with no or little modifications after downloading results to a PC OBJECT agi BLOCK 661 FUSE 0461 line Figure 6 1 Data structure and measurement fields Data structure field RECALL RESULTS Memory operation menu OBJECT ei BLOCKS gal Data structure field Root level in the structure OBJECT 661 a OBJECT 1 level location name a 001
32. nals and ground is 300 V 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 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 All normal safety precautions have to be taken in order to avoid risk of electric shock when working on electrical installations Notes related to measurement functions General a a a Indicator means that the selected measurement can t be performed because of irregular conditions on input terminals PASS FAIL indication is enabled when parameters are set 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 MI 3122 Smartec Z Line Loop RCD Warnings and notes RCD functions l E Parameters set in one function are also kept for other RCD functions The Contact voltage test will normally not trip out RCD of tested installation However the RCD trip out may occur and Uc measurement is affected as a result of existing PE leakage currents in the installation RCD trip out current an
33. occoccoccccnconcononnonnnnnonnnnncnnconcnncnncnnnnnnnnonnonnnonos 17 IIT OURO AN SOU aire raves cessed aor ros ape le kaa 17 J32 CIO HOMA ACCOCSSONMOS area 17 INSTRUMENT operatio rancia 18 4 1 FUNCION SCIOCHON nta 18 1 A O Ace ed 19 421 O LAN 6 8 AOC IPR CO POPE COC POPE OC E deeanelavsonaesn 19 422 IMUA SCI ir A 20 Ao AMOO aaa 21 424 A AA EE eve duveboeecenelunccseeladeascese 21 4259 A ee eee eas 21 BO e eect aon eas enya A eee een eee 23 Beh COMMMANOC annann N T T A ress TET ees 23 Measurement ici iii 24 3l WESUNGUIR CDS sn ii A A AO 24 Sieh GOMaci voltage ACD US Ree Oa 25 STe le A ah E EA a 26 SAD TRD OURCUITCNT ROD Di N T AEON 27 914 A A 27 5 2 Fault loop impedance and prospective fault current ooccoccconconionnconconicanon 30 5 3 Line impedance and prospective short circuit current ococcocconconccnonionioninnonoo 32 5 4 Voltage frequency and phase SEQUENCE ccccecceecseeteceeeeteeeeeeeeeteeeeeeeeeeaeeees 34 Zo ee LOSE Le MIMI lc A A 36 Data Nandi O cnn 39 O71 Memon organizati seses a eos 38 om Es 1 U enn ne ele ec mn te tea ne romeo ome ene er ee 38 6 39 SONO LOST SS US curia 40 6 4 Recalling test resulls sisi seer E 40 6 9 Ciearingistored datan 42 MI 3122 Smartec Z Line Loop RCD Table of contents 6 5 1 Clearing complete memory CONTCNL ccccsecccsseeecenseensnseenausesnausessaneeesaneeeeas 42 6 5 2 Clearing Measurement S in selected loCatiON
34. ogue Keys TEST Restores default settings Function selectors Exits back to main function menu without changes Warning a Custom made settings will be lost when this option is used a lfthe batteries are removed for more than 1 minute the custom made settings will be lost The default setup is listed below Z factor UK version only CA Function Parameters limit value Sub function Z LINE Fuse type none selected Z LOOP Fuse type none selected ZS rcd Fuse type none selected RCD RCD t Nominal differential current lan 30 mA RCD type G Test current starting polarity gt 0 Limit contact voltage 50 V Current multiplier x1 Note a Initial settings reset of the instrument can be recalled also if the TAB key is pressed while the instrument is switched on 20 MI 3122 Smartec Z Line Loop RCD Settings 4 2 3 Memory In this menu the stored data can be recalled and deleted See chapter 6 Data handling for more information LEAR ALL MEMORY Figure 4 4 Memory options Keys UP DOWN Selects option TEST Enters selected option Function selectors Exits back to main function menu 4 2 4 Date and time Selecting this option will allow the user to set the date and time of the unit Figure 4 5 Setting date and time Keys TAB Selects the field to be changed UP DOWN Modifies selected field TEST Confirms new setup and exits Function selectors Exits back to mai
35. on Only an authorized technical person can do the calibration Please contact your dealer for further information 7 3 Service For repairs under warranty or at any other time please contact your distributor 45 MI 3122 Smartec Z Line Loop RCD Technical specifications 8 Technical specifications 8 1 RCD testing 8 1 1 General data Nominal residual current A AC 10 mA 30 mA 100 mA 300 mA 500 mA 1000 mA Nominal residual current accuracy 0 0 1 1A lA IAN 2xIAN 5xIAN 0 1 IA 0 IA 0 5xIAN AS NZ selected 5 Test current shape cc sccseeees Sine wave AC pulsed A DC offset for pulsed test current 6 mA typical PROD Wy DG ui dd G non delayed S time delayed Test current starting polarity O or 180 Voltage range occooccocccccconicccconiononos 50 V 264 V 45 Hz 65 Hz RCD test current selection rms value a to 20ms ST to IEC 61009 anima ee ANI a ee a aae TNA AC AAG TA AC a fa a lao a 35 10 20 20 40 50 100 Y Y a CEN CI CB la E GE CACA 300 150 1105 300 424 600 848 1500 na Y WA o is not applicable ACIDO castrenses sine wave test current ADS EE E ES pulsed current 8 1 2 Contact voltage RCD 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
36. ooococcccconicoonoconononiooono 42 6 5 3 Clearing individual measurements ccoonccoconinononononononenononenaninonanononarinnnannonanonos 43 60 COMMUNIC ALON ri EEA 44 E MANN nal 45 KA Caninae et ee ee eee 45 7 2 Periodic calibration ooccononnocconconiononnorooneononnoronnonnonnononrnnrennonconennonnnnenrennennonens 45 lao SOI ICAA 45 o FECNAICAl SDSCITICALIONS iii 46 O A Gun E cadres eset cece erm acta eera aed toe trarriase tiene 46 8 1 1 Ce Oy OA ste caesar E seman ne mean bese reeu ance ease o EEE 46 6 12 Contact voltage RCD oreren eneen eaea ais 46 C NO TNO A TNT Erne ee REN RE RR PRE Pa PE echt emer eee eee 47 8 1 4 e AA A karst tite delat celcte EN eed 47 8 2 Fault loop impedance and prospective fault current ooccoccconconionnconconicannns 47 8 2 1 No disconnecting device or FUSE Selected o cococcococcoconnoconnoconononanoos 47 O22 AI a A 48 8 3 Line impedance and prospective short circuit current ococcocconconccnonconioninnonons 48 8 4 Voltage frequency and phase rotation ocoocccoonconcccnconconnconconncnncononnncancnnonanons 49 8 4 1 EAS envias ri enire E AEE EO ESENE SEEE E AE NSN 49 Oe VOLIO aE N E nearer tas 49 GALS A VCOUCRCY crsa EEEE E EEE EASA AASA SARA EA A EA SASS 49 8 5 Online terminal voltage MONItOF occconcccnoccncocnconcconocononononnnonnononocanenanenanenones 49 GO GENETTA alii AAN 50 A Appendix A FUSE TaDIO sois dcagectdvedsucedens 51 jd
37. operation time reversed polarity of defective cell a 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 a The effects described above should not be confused with the 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 This information is provided in the technical specification from battery manufacturer MI 3122 Smartec Z Line Loop RCD Standards applied 2 3 Standards applied The MI 3122 Smartec Z Line Loop RCD instrument is manufactured and tested according to the following regulations listed below Electromagnetic compatibility EMC IEC EN 61326 1 IEC EN 61326 2 2 Safety LVD IEC EN 61010 1 IEC EN 61010 031 Functionality Electrical equipment for measurement control and laboratory use EMC requirements Part 1 General requirements Class B Hand held equipment used in controlled EM environments 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 l
38. ow voltage distribution systems 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 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 Part 6 Residual current devices RCDs in TT and TN systems Part 7 Phase sequence Part 10 Combined measuring equipment Other reference standards for testing RCDs IEC EN 61008 IEC EN 61009 IEC EN 60755 IEC EN 60364 4 4 1 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 protection for household and similar uses General requirements for residual current operated protective devices Electrical installations of buildings Part 4 41 Protection for safety Protection against electric shock IEE Wiring Regulations In service safety inspection and testing of electrical equipment 10 MI 3122 Smartec Z Line Loop RCD Front panel 3 Instrument description 3 1 Front panel Y DA 6 Z Figure 3 1 Front panel Legend 1 LCD 128 x 64 dots matrix display with backlight 2 TEST TEST Start
39. ry 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 4 3 Message field In the message field warnings and messages are displayed E De vw Es Measurement is running consider displayed warnings Conditions on the input terminals allow starting the measurement consider other displayed warnings and messages Conditions on the input terminals do not allow starting the measurement consider displayed warnings and messages RCD tripped out during the measurement in RCD functions 14 MI 3122 Smartec Z Line Loop RCD Display organization ry Instrument is overheated The measurement is prohibited until the temperature decreases under the allowed limit Result s can be stored High electrical noise was detected during measurement Results may be impaired L N polarity are changed Warning Dangerous voltage on the PE terminal Stop the activity E immediately and eliminate the fault connection problem before proceeding with any activity 3 4 4 Result field Measurement result is inside pre set limits PASS Measurement is aborted Consider displayed warnings and messages x Measurement result is out of pre set limits FAIL 3 4 5 Sound warnings Continuous sound Warning Dangerous voltage on the PE terminal is detected 3 4 6 Help screens HELP Opens help screen
40. s measurements Acts also as the PE touching electrode 3 UP me 4 DOWN Modifies selected parameter 5 MEM Store recall clear tests in memory of instrument 6 Function selectors Selects test function 7 Backlight Contrast Changes backlight level and contrast Switches the instrument power on or off 8 ON OFF The instrument automatically turns off 15 minutes after the last key was pressed Accesses help menus 9 HELP DISPLAY In RCD Auto toggles between top and bottom parts of results field 10 TAB Selects the parameters in selected function a Indicate acceptance of result 12 FAIL P 0 11 MI 3122 Smartec Z Line Loop RCD Connector panel 3 2 Connector panel Legend 1 O Bw N Test connector Protection cover Charger socket USB connector PS 2 connector Warnings a Maximum allowed voltage between any test terminal and ground is 600 V a Maximum allowed voltage between test terminals is 600 V a Maximum short term voltage of external power supply adapter is 14 V Figure 3 2 Connector panel Measuring inputs outputs connection of measuring cables Protects from simultaneous access to test connector and power supply adapter socket communication connectors Connection of power supply adapter Communication with PC USB 1 1 port Communication with PC serial port and connection to optional measuring adapters 12 MI 3122 Smartec Z Line Loop RCD Back site 3 3 Back site Figure 3 3 Back sit
41. supply adapter delivered from the manufacturer or distributor of the test equipment to avoid possible fire or electric shock MI 3122 Smartec Z Line Loop RCD Battery and charging 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 gt Completely charge the battery At least 14h with in built charger Use the instrument for normal testing until the Ma al dal unit displays the Bat symbol on screen gt Repeat the charge discharge cycle for i Four cycles are recommended at least twice X Complete discharge charge cycle can be performed automatically for each cell using external intelligent battery charger Notes a The charger in the instrument is a pack cell charger This means 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 a 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
42. t TEST Opens dialog for confirmation to clear selected measurement Function selectors MEM Exits back to main function menu without changes Keys in dialog for confirmation to clear selected result s TEST Deletes selected measurement result Exits back to delete results menu measurements field MEM without changes Function selectors Exits back to main function menu without changes OBJECT 661 OBJECT ei BLOCK 661 BLOCK 461 pe PEL BL Pesci es L gt No 4 6 gt No 4 5 CLEAR RESULTS WOLTAGE TERMS Figure 6 10 Dialog for confirmation Figure 6 11 Display after measurement was cleared 43 MI 3122 Smartec Z Line Loop RCD Communication 6 6 Communication Stored results can be transferred to a PC A special communication program on the PC automatically identifies the instrument and enables data transfer between the instrument and the PC There are two communication interfaces available on the instrument USB or RS 232 The instrument automatically selects the communication mode according to detected interface USB interface has priority PS 2 RS 232 cable minimum connections 1 to 2 4 to 3 3 to 5 PS 2 for MI 3122 9 pin D female for PC Figure 6 12 Interface connection for data transfer over PC COM port How to transfer stored data RS 232 communication connect a PC COM port to the instrument PS 2 connector using the PS 2 RS232 serial communication cable USB communication selected
43. t time at different residual currents trip out current and contact voltage in one set of automatic tests guided by the instrument Additional key HELP DISPLAY Toggles between top and bottom part of results field 2 MI 3122 Smartec Z Line Loop RCD Testing RCD RCD autotest procedure RCD Autotest steps Notes o o Select the el function using the function selector switch Set sub function AUTO Set test parameters if necessary Connect test cable to the top of the instrument Connect test leads to the to the item to be tested see figure 5 2 a Press the TEST key to perform the test Start of test a Test with lan O step 1 RCD should trip out a Re activate RCD a Test with lan 180 step 2 RCD should trip out 2 Testwin Sd stepa RCD shuld pout a Test with 5xlan 0 step 3 RCD should trip out a Re activate RCD rr a Test with 5xl1m 180 step 4 RCD should trip out a Re activate RCD a Test with YxlAN 0 step 5 RCD should not trip out a Test with YexlAN 180 step 6 RCD should not trip out a Re activate RCD hia a Trip out current test 180 step 8 RCD should trip out a Re activate RCD ade a Store the result by pressing the MEM key optional End of test Result examples Ey Sonn G Ey Sonn G 1146 Ema A ME Ey Son G PR Sonn G 1146 ma 35 fms 1146 ma 35 TMS Moe Ta PMS ma xD ferme 11 1m ns ns z ns 28 MI 3122 Smartec Z Line Loop RCD
44. tive short circuit current Lim Low limit prospective short circuit current value or high limit line impedance value for the UK version Prospective short circuit current is calculated as follows I Unx Keo SC Z where Cee Nominal L N or L1 L2 voltage see table below KSC Correction factor for Isc see chapter 4 2 6 Input voltage range L N or L1 L2 100 V lt Un lt 160 V 160 V lt UL y lt 264 V 400 V Note Q High fluctuations of mains voltage can influence the measurement results the noise sign HiH is displayed in the message field In this case it is recommended to repeat few measurements to check if the readings are stable 33 MI 3122 Smartec Z Line Loop RCD Voltage frequency phase sequence 5 4 Voltage frequency and phase sequence Voltage and frequency measurement is always active in the terminal voltage monitor In the special voltage trms 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 WOLTAGE TRMS see chapter 4 7 Function selection for instructions on Ulm 1 23184 f 56 BHz key functionality Ulpe Unite L PE W 23 0 amp i i Figure 5 14 Voltage in single phase system Test parameters for voltage measurement There are no parameters to set Connections for voltage measurement DDD 15 Figure 5 16 Connection of plug command
45. ult 100 999 1 loop resistance 1 00k 9 99k measurement 10 0k 23 0k Nominal voltage range o 30 V 500 V 45 Hz 65 Hz No trip out of RCD R XL values are indicative 8 3 Line impedance and prospective short circuit current Line impedance Measuring range according to EN61557 is 0 25 Q 9 99kQ Measuring range Q Resolution Q 0 00 9 99 0 01 5 9 e 10 0 99 9 alaba la 100 996 i LOOK 9 99k lt eo 48 MI 3122 Smartec Z Line Loop RCD Technical specifications Prospective short circuit current calculated value Measuring range A Resolution A 0 00 0 99 0 01 1 0 99 9 Consider accuracy of line 100 999 AAA resistance measurement 1 00k 99 99k Ooo 10 O Test current at 230 V ee 6 5 A 10 ms Nominal voltage range 30 V 500 V 45 Hz 65 Hz R XL values are indicative 8 4 Voltage frequency and phase rotation 8 4 1 Phase rotation Nominal system voltage range 100 Vac 550 Vac Nominal frequency range 15 Hz 500 Hz Result displayed ooccooccooc 1 2 3 or 3 2 1 8 4 2 Voltage Measuring range V Resolution V 0 550 2 of reading 2 digits Result type ooccooccocccocconiccccononannnns True r m s trms Nominal frequency range O Hz 15 Hz 500 Hz 8 4 3 Frequency Measuring range Hz Resolution Hz 15 0 499 9 0 2 of r
46. ys in clear all memory menu TEST Confirms clearing of complete memory content Function selectors Exits back to main function menu without changes CLEARING MEMORY Figure 6 7 Clearing memory in progress 6 5 2 Clearing measurement s in selected location select DELETE RESULTS in MEMORY menu DELETE FESUL T gt OBJECT 661 BLOCK Figure 6 8 Clear measurements menu data structure field selected Keys in delete results menu data structure field selected Selects location element Object Block Fuse TAB Enters measurements field UP DOWN Selects number of selected location element 1 to 199 Function selectors Exi MEM xits back to main function menu TEST Opens dialog for confirmation to clear result in selected location 42 MI 3122 Smartec Z Line Loop RCD Clearing stored data Keys in dialog for confirmation to clear results in selected location TEST Deletes all results in selected location MEM Exits back to delete results menu without changes Function selectors Exits back to main function menu without changes 6 5 3 Clearing individual measurements Select DELETE RESULTS in MEMORY menu OBJECT Bal BLOCK B l FUSE Bail O O E E A A A A A A A A A e Ho 4 6 VOLTAGE TRMS Figure 6 9 Clear measurements menu data structure field selected Keys in delete results menu measurements field selected TAB Returns to data structure field UP DOWN Selects measuremen
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