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EurotestPV Lite MI 3109 Instruction manual

1. 1 00 1 75kWim 10 o 4h O Measuring principle Monocrystall PV cell temperature compensated Operation conditions Working temperature range 20 C 55 C Protection degree ccccceceeeeeeeees IP 44 Temperature cell and ambient Probe A 1383 Measuring range C Resolution C 10 0 85 0 5 digits 69 MI 3109 EurotestPV Lite Technical specifications Designed for continuous outdoor use Note a Given accuracy is valid for stable irradiance and temperature during the test 9 4 General data Power supply voltage 00600 9 Vpc 6x1 5 V battery or accu size AA Operation ccccecceeceecseeeeeeeeeeeeeeees typical 20 h Charger socket input voltage 12V 10 Charger socket input current 400 mA max Battery charging current 250 mA internally regulated Measuring Category c cccceceeeeees 1000 V DC CAT Il 600 V CAT III 300 V CAT IV Protection classification 04 double insulation Pollution degree cccccsccceeeeeeees 2 Protection degree ccccceceeeeees IP 40 DIKJO Fe 128x64 dots matrix display with backlight Dimensions w x h x d eceeeeee ecco ee 23 cm x 10 3 cm x 11 5 cm VOJNE seasea tes an sande 1 3 kg without battery cells Reference conditions Reference temperature range 10 C 30 C Reference humidity range 40 RH 70 RH Operatio
2. Figure 4 12 Solar settings 25 MI 3109 EurotestPV Lite Instrument operation Keys Aly Selects option TEST Enters menu for changing parameters ESC Exits back to settings menu Function selector Exits back to main menu without changes PV module settings Parameters of PV modules can be set in this menu A database for up to 20 PV modules can be created edited Parameters are used for calculation of STC values Note a The database can be also created on the PC or mobile device and then sent to the instrument PCSW EurolinkPRO and some Android applications support this feature Figure 4 13 PV module settings menu Parameters of PV module Module PV modulername _ _ _ _ Pmax 1 W 2000W Nominal power of PV module _ _ _ Umpp 1 0V 999V_ Voltage on maximum power point Impp _ 0 01A 15 0A_ Currenton maximum power point oc 1 0V 999V_ Opencircuit voltage of module ____ Isc 0 01A 15 0A_ Short circuit current of module ___ alfa 5 00 mA C 300 mA C__ Temperature coefficientoflsc beta 5 00 V C 0 001 V C_ Temperature coefficientofUoc gamma__ 5 00 C 0 999 C Rs 0 0010 999Q0 Serial resistance of PV module Selection of PV module type and parameters Keys AlYV Selects appropriate option TEST Enters menu for changing type or parameters ESC Function selector Exits back MEM Enters PV module type memory menu 26 MI 3109 EurotestPV Lite Inst
3. EurotestPV Lite MI 3109 Instruction manual Version 1 4 Code no 20 752 022 J METREL Distributor Manufacturer METREL d d Ljubljanska cesta 77 1354 Horjul Slovenia web site http www metrel si e mail metrel metrel si C Mark on your equipment certifies that this equipment meets the requirements of the EU European Union concerning safety and electromagnetic compatibility regulations 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 3109 EurotestPV Lite Table of contents Table of contents C RIS Vd Cee ne vst do ston baie ee cnseinc caesarean ee acavasaeaceirauacaretncseaces 5 2 Safety and operational Considerations cccccscceseeeeeeseeeeeeeeeeeeeeceeseneseneseeeseenes 6 2E Wannas ANG NOS setenari E E E 6 Z2 Ballery AMG CHANGING ssas a SA SSAA 9 293 Standardsapplied secretes sarc acne ated ease eat ae a 11 3 instrument description igensncaccndacccnendncnesandecutssedacadencdiendaandnandsendeonterdpnsdserdnsanasess 12 3 1 FON PANC onera aE E AE A E eaatunauaaatastendacncetnamas 12 32 GONNECIO Panel asiaa A AESA 13 39 BICK SdE ERS mn IE a oe 14 3 4 Secure attachment of the strap cece cccceeceeeeeeceeeeeeseeeeeeseeeeeeeeeeeeeeeeaaes 15 35 ANMSFUME
4. 4 4 9 3 Initialization of the Bluetooth dongle s The Bluetooth dongle s A 1436 should be ie initialized when they are used for the first Powert series time During initialization the instrument sets i the dongle parameters and name in order to communicate properly Figure 4 22 Menu for initialization of Bluetooth dongle s Lite instrument PowerQ series Initializes Bluetooth dongle for Metrel Powermeter Keys UP DOWN Selects option TEST Starts initialization of Bluetooth dongle ESC Exits back to Communication menu Function selector Exits back to main menu without changes Initialization procedure Bluetooth dongle for the EurotestPV Lite instrument 1 Connect Bluetooth dongle A 1436 to the instruments PS 2 port 2 Switch on the instrument 3 Press a RESET key on the Bluetooth dongle A 1436 for at least 10 seconds 4 EurotestPV Lite should be selected in INIT BT DONGLES menu Press the TEST key 5 Wait for confirmation message and beep Following message is displayed if dongle was initialized properly EXTERNAL BT DONGLE SEARCHING OK Initialization procedure Bluetooth dongle for the Metrel Powermeter 1 Connect Bluetooth dongle A 1436 intended to be used with the Metrel Powermeter to the EurotestPV Lite instrument s PS 2 port 2 Switch on the EurotestPV Lite instrument 3 Press a RESET key on the Bluetooth dongle A 1436 for at least 10 seconds 31 MI 3109 EurotestPV Lite Instrument
5. 4mm tip CAT Il 1000 V CAT Ill 600 V CAT IV 300 V PV Safety probe A 1384 provides additional safety when working on PV installations It has an inbuilt protective circuit that safely disconnects the instrument from the PV installation in case of a failure in the instrument see chapter 4 4 8 Accessories for more information PV test lead A1385 has integrated fuses that safely disconnects instrument from the PV installation in case of a failure in the instrument If a voltage higher than 1000 V d c is detected on any of the measuring VOLTAGE inputs further measurements will be blocked and the warning is displayed A Warnings related to safety of measurement functions Insulation resistance of PV systems m E Do not touch the test object during the measurement or before it is fully discharged Risk of electric shock When an insulation resistance measurement has been performed on a capacitive object automatic discharge may not be done immediately The warning message and the actual voltage are displayed during discharge until voltage drops below 10 V Continuity functions MI 3109 EurotestPV Lite Safety and operational considerations a Continuity measurements should only be performed on de energized objects Notes related to measurement functions General a PASS FAIL indication is enabled when limit is set Apply appropriate limit value for evaluation of measurement results a The A 1384 PV Safety Pr
6. CIE ANING ereot nia NEE E EO 65 Go Penodi CallOl AON enian 65 of GEER 2104 6 a anne nat E OO oer ee Omi OT OME ERE eee eer eC ene E Te eRe ee nenee yee e Tes 65 9 FECHNICAlSDECITIGATIONS arrasi A 66 9 1 Insulation resistance of PV systems RISO and RISO eeeee ees 66 J2 GOMMU coasters cert et cee serene raises dont buantuelduerieevouei E 67 G27 FRESISIANCE R LOWO ruriini T E edt Nanduatiacnanitens ia tanei nen aladeasyeaeel 67 9 2 2 Resistance CON INUITY sxaseitavsteaiacty2aisnaatien ei ictivanciaa dane soorssoe tea taadaa mundane sanenabbed 67 DS Pyesa ar EOE 67 93T Accuracy STC daa EEE A EE O 67 932 Pano INVETE orie r a a conga nausea a a A oaeaeeh eNO 67 Bi LV CULV arion pep EENE E eee ng eA tenet E 68 gaa IOC ISG oe AA a A E S EA OEN 69 9 3 9 TENVIFONMENTAl Pamelor S eina italada net aase cen tanteaeaneee ooreaanaes 69 94 Gen ral 2 Co ne eo a ree 70 Appendix B Accessories for specific measurements c cceceeeeeeeeeeeeeceeeeeeeeeeeees 71 Appendix E PV measurements calculated values cccceeceeeeeeeeeeeeeeeeeneeneeees 72 MI 3109 EurotestPV Lite Preface 1 Preface Congratulations on your purchase of the EurotestPV Lite instrument and its accessories from METREL The instrument was designed on a basis of rich experience acquired through many years of dealing with electric installation test equipment The EurotestPV Lite instrument is a professional multifunctional hand held test instrument int
7. MI 3109 EurotestPV Lite Data handling 6 6 Communication There are two communication interfaces available on the instrument USB or RS 232 With the optional Bluetooth dongle A 1436 the instrument can communicate via Bluetooth too 6 6 1 USB and RS232 communication 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 3109 9 pin D female for PC Figure 6 14 Interface connection for data transfer over PC COM port How to configure a USB link between instrument and PC Connect a PC USB port to the instrument USB connector using the USB interface cable Switch on the PC and the instrument Run the EurolinkPRO program The PC and the instrument will automatically recognize each other The instrument is prepared to communicate with the PC How to configure a RS232 link between instrument and PC Connect a PC COM port to the instrument PS 2 connector using the PS 2 RS232 serial communication cable Switch on the PC and the instrument set communication settings to RS232 Run the EurolinkPRO program Set COM port and baud rate The instrument is prepared to communicate with the PC 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 p
8. 2 Figure 3 4 Battery and fuse compartment Legend 1 Fuse F2 F3 FF 315 mA 1000 V d c Breaking capacity 50 kA 2 Serial number label 3 Battery cells size AA alkaline rechargeable NiMH 14 MI 3109 EurotestPV Lite Instrument description Continuity RCD EN 61557 6 RLow EN 61557 4 1 10mA 30mA 100mA 300mA 500mA 1A R 0 12 1999 Nominal voltage 100V 264V 15Hz 500Hz Test current min 200mA_ at 2 Contact voltage Open circuit voltage 6 5V 9 0V Uc 0 0V 100 0V Continuity 7mA Rs 0 00 10 00k Rs Uc I n R 0 0 1999 Test current max 8 5mMA om Tripping time Open circuit voltage 6 5V 9 0V non delayed time delayed RCDs 1 0ms 300ms 500 Insulation resistance EN 61557 2 ms ms 500ms R 0 18M 199 9M_ UN 50 Vee 100 Veen 250 Vous aan dee anes sated Sinov R 0 12M 999M Un 500V 1kV ee i Tripping current U OV 1200V Nominal voltages 100V 250V 500V_ 1kV 1 02 In 14 NAC 1 5 INA Measuring current min 1mA at Rn Un 1k M t Oms 300ms Uc 0 0V 100 0V Short circuit current lt 3mA Multiplier 0 5 1 2 5 Line impedance EN 61557 3 Resistance to earth EN 61557 5 Ri N L 0 17 1999 Ipsc 0 20A 1 4kA R 0 04 9999 Nominal voltage 100V 440V 15Hz 500Hz Open circuit voltage lt 45V aus Fault loop impedance EN 61557 3 Short circuit current lt 20mA RL Pe 0 17 1999 Ipec 0 14A 1 4kA CAT III 600V Nominal voltage 100V 264V 15Hz 500Hz 20 224 832 Vol
9. 2 s Bargraph for LCD contrast adjustment is displayed Keep pressed for 1s 19 MI 3109 EurotestPV Lite Instrument operation LCD CONTRAST Figure 4 2 Contrast adjustment menu Keys for contrast adjustment A Increases contrast Vv Reduces contrast TEST Accepts new contrast ESC Exits without changes 4 2 Function selection For selecting test measurement function within each test mode the FUNCTION SELECTOR keys shall be used Keys Function selector Selects test measurement function AlN Selects sub function in selected measurement function Selects screen to be viewed if results are split into more screens TAB Selects the test parameter to be set or modified TEST Runs selected test measurement function MEM Stores measured results recalls stored results ESC Exits back to main menu Keys in test parameter field Alyx 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 indication _ Parameter Value s results will be marked as PASS or FAIL in ON ss accordance with selected limit See Chapter 5 for more information about the operation of the instrument test functions 20 MI 3109 EurotestPV Lite Instrument operation 4 3 Instruments main menu
10. Automatic measurement procedure according to IEC EN 62446 Auto 51 6 DatanandliNgosisprnaea sn aaraa aaea 54 6 1 Memory CFO ANIZALON egian AEA 54 02 Wala SU UCU penia SE E 54 6o SIOMMG eSt reSUNSmeocrera iaa E 56 6 4 Recalling test results ccc cccceccsccseeceeceeeceeceeceeeceecaeeceeceeeeeeseesaeseeeseeseeeseess 57 65 Gl arng Stored dala wenteisievarsioldestatabestateboustaloloratebelorebebeborsbetebonareususeemucentsaeade 58 6 5 1 Clearing complete memory content ccccccceeccececeecesecccseccseesseeessuesseeesecsseessneesaes 58 6 5 2 Clearing measurement s in selected lOCATION ccccceccseccseecneeceecneccnesseesseesseees 58 6 5 3 Clearing individual MEASUEMENLS ccccccccseccseeccnecesccseeecsucesueessuetssessecsseessneesaes 59 6 5 4 Renaming installation structure elements upload from PC cccceeceeecesneenneeeaes 60 6 5 5 Renaming installation structure elements with serial barcode reader or RFID FOO CT E R T A T AE E E NR 60 60 COMMUN CANON pereina E NT 61 6 6 1 USB and RS23260mm mcatl on sorires naon i e a EAER 61 6 0 2 Bi etool COMMUNIC AH ON apa a A E A 62 Upgrading ne MSME N E nssssssss resus neenweneneienausnndereurieslmenuienwonedsirs 64 Maintenance ccccccecceeeeceeeeceeeeeeseeeeeeeeeseneeecueeeeaeeeeueeeeueeeeeeeaeeenaeeesaeeesaeeesesaeaesueas 65 8 1 Fuse FEPIACEMEMNL cccceceecsecceeceeceeceeceeceeseeseeseeeeeeeeceeeseeeeeseeseeseeseeseeseesaees 65 02
11. Clearing complete memory content Select CLEAR ALL MEMORY in MEMORY menu A warning will be displayed CLEAR ALL MEMOR All Saved results will be los Figure 6 6 Clear all memory Keys in clear all memory menu TEST Confirms clearing of complete memory content YES must be selected with A V keys ESC Exits back to memory menu without changes Function selector Exits back to main 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 FESULTS OES ORJECT 1 IN THUERTER gar FAH DELETE FESULTS OES ORJECT 1 INV INVERTER BAT STRISTRING Bel FAHI FAHEL Bel Figure 6 8 Clear measurements menu data structure field selected Keys in delete results menu installation structure field selected TAB Selects the location element Object Inverter String Panel AlY selects number of selected location element 1 to 199 Function selector Exits back to main menu ESC Exits back to memory menu TEST Enters dialog box for deleting all measurements in selected location and its sub locations 58 MI 3109 EurotestPV Lite Data handling Keys in dialog for confirmation to clear results in selected location TEST Deletes all results in selected location MEM ESC Exits back to delete results menu installation structure field selected without changes Function selector Exi
12. In instruments main menu the test mode can be selected Different instrument options can be set in the SETTINGS menu MAIN MENU 12 69 a lt SINGLE TEST gt individual tests a lt AUTOTEST gt test sequence acc to IEC EN 62446 I a lt SETTINGS gt Instrument settings Figure 4 3 Main menu Keys Aly Selects appropriate option TEST Enters selected option 4 4 Settings Different instrument options can be set in the SETTINGS menu Options are a Recalling and clearing stored results a Selection of language a Setting the date and time Q Setting the instrument to initial values SETTINGS EEE a Settings for current clamps E Q Menu for synchronization with PV INITIAL SETTINGS Remote unit CLAMP SETTINGS oa Settings for PV measurements l l a Settings of accessories Figure 4 4 Settings menu a Settings for Bluetooth communication Keys Aly Selects appropriate option TEST Enters selected option ESC Exits back to main menu Function selector 21 MI 3109 EurotestPV Lite Instrument operation 4 4 1 Memory MEMORY In this menu the stored data can be recalled or DELETE RESULTS CLEAR ALL MEMORY deleted See chapter 8 Data handling for more information Figure 4 5 Memory options Keys Aly Selects option TEST Enters selected option ESC Exits back to settings menu Function selector Exits back to main menu without changes 4 4 2 Language SELECT LANGUAGE In this menu the language can
13. Q The number of possible tests gt 2000 with a fully charged battery Automatic polarity reversal of the test voltage 9 2 2 Resistance CONTINUITY 20 1999 Open circuit voltage ccceceseee eee 6 5 VDC 9 VDC Short circuit Current eec max 8 5 mA Test lead compensation 0 up to5 Q 9 3 PV tests 9 3 1 Accuracy of STC data Accuracy of STC values is based on accuracy of measured electrical quantities accuracy of environmental parameters and entered parameters of PV module See Appendix E PV measurements calculared values for more information about calculation of STC values 9 3 2 Panel Inverter DC Voltage Measuring range V Resolution V 0 0 199 9 0141 1 5 of reading 5 digits 200 999 ne cnr 1 5 of reading DC Current Measuring range A Resolution mA 0 00 19 99 10 1 5 of reading 5 digits 20 0 299 9 1 5 of reading 67 MI 3109 EurotestPV Lite Technical specifications DC Power range W W 2 5 of reading 6 digits i k ea k 2 5 of reading 20 0 k 199 9 k 2 5 of reading AC Voltage Measuring range V Resolution V 0 0 99 9 0 1 1 5 of reading 3 digits 1 5 of reading 200 999 1 5 of reading AC Current Moosa 1S Hof reading 3 digis 1 5 of reading 1 5 of reading AC Power eo O Sot reading 16 dgis 2 5 of reading 2 5 of reading Notes a Er
14. Uoc Isc Irr and T measurements should be carried out immediately before the PANEL test Environmental conditions must be stable during the tests For best results the A 1378 PV Remote Unit should be used Measuring of environmental parameters Temperature and solar irradiance values must be known for a calculation of nominal values at standard test conditions STC a checking that environmental conditions are suitable for carrying out the PV tests The parameters can be measured or entered manually The probes can be connected to the instrument or to the PV remote unit A 1378 45 MI 3109 EurotestPV Lite Measurements EHU MEAS l I mble See chapter 4 2 Function selection for instructions on e ee key functionality Figure 5 30 Environmental parameters screen Test parameters for measuring setting of environmental parameters INPUT Input of environmental data MEAS MANUAL OTHER Shortcut to SOLAR SETTINGS menu Connection for measuring of environmental parameters Figure 5 31 Measurement of environmental parameters Procedure for measuring of environmental parameters Select S 8 function and Weeks sub function using the function selector keys and A Vv keys Connect environmental probes to the instrument see Error Reference source not found 371 Connect probes to the item to be tested see Error Reference source not found 31 Press the TEST key to perform the measurement Store the result b
15. be set SLOWENSKO DEUTSCH ESPANOL aa i Figure 4 6 Language selection Keys AlY Selects language TEST Confirms selected language and exits to settings menu ESC Exits back to settings menu Function selector Exits back to main menu without changes 4 4 3 Date and time SET IATE TIME In this menu date and time can be set 12 68 i ite 2611 Figure 4 7 Setting date and time Keys TAB Selects the field to be changed Aly Modifies selected field TEST Confirms new date time and exits ESC Exits back to settings menu Function selector Exits back to main menu without changes Warning a Ifthe batteries are removed for more than 1 minute the set date and time will be lost 22 MI 3109 EurotestPV Lite Instrument operation 4 4 4 Initial settings INITIAL SETTINGS In this menu the instrument settings measurement parameters and limits can be set to initial factory values Figure 4 8 Initial settings dialogue Keys Aly Selects option YES NO TEST Restores default settings if YES is selected ESC Exits back to settings menu Function selector Exits back to main menu without changes Warning a Customized settings will be lost when this option is used a Ifthe batteries are removed for more than 1 minute the custom made settings will be lost The default setup is listed below Clamp settings CLAMP 2 A 1391 40A Accessories Testeabe lt Solar settin
16. eee 0 20 of nominal voltage Measuring Current c cccceceeeeeees min 1 mA at Ry Unyx1 kQ V Short circuit current max 3 mA The number of possible tests gt 1200 with a fully charged battery Auto discharge after test Specified accuracy is valid if 3 wire test lead is used while it is valid up to 100 MQ if tip commander is used Specified accuracy is valid up to 100 MQ if relative humidity gt 85 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 insulation resistance results in Autotest may slightly differ in comparison to results in Single test mode because of the three wire connection and the internal resistance of the measuring instrument 66 MI 3109 EurotestPV Lite Technical specifications 9 2 Continuity 9 2 1 Resistance RLOWQ Measuring range according to EN6155 7 is 0 16 Q 1999 Q Measuring range R Q Resolution Q 0 00 19 99 3 of reading 3 digits 20 0 199 9 200 1999 5 of reading Open circuit Voltage ccccece cece eee 6 5 VDC 9 VDC Measuring Current ccccceeeeeeees min 200 mA into load resistance of 2 Q Test lead compensation 0 up to5
17. is measured irradiance M is number of modules in serial and N is number of modules in parallel me etcmreyetowet Peo Theor power of sting steed radianes Prom rominelpowerofrelatSTC re nominare STC rin 100 Win ie measured irradiance Mo number of modules in serial NO number of modules in parallel 72 MI 3109 EurotestPV Lite Appendix E PV measurements calculated values Depending on temperature criterion for PASS is e If Tamb lt 25 C or Tcell lt 40 C gt no gt 0 85 e If Tamb gt 25 C or Tcell gt 40 C gt n2 gt 1 npy 0 08 where npv is calculated depending on type of temperature being measured as ine oy doe co Oe 20 I or feu Log T 22 where NOCT is nominal operating temperature of the cell data supplied by the panels manufacturer and y is coeff of temperature of power characteristic of PV module inserted value from 0 01 to 0 99 data supplied by the panels manufacturer NOCT nominal operating temperature of the cell data supplied by the panels manufacturer y coeff of temperature of power characteristic of PV module inserted value from 0 01 to 0 99 data supplied by the panels manufacturer 2 inverter Fag p DC Calculation of conversion efficiency with comparison of STC and measured corrected values U I AC DC phase Irrsic Tstc Pnom Irr Tcell Rs a B Isc M N Panel Measured U and are corrected to STC conditions Igr
18. operation 4 PowerQ series should be selected in INIT BT DONGLES menu Press the TEST key 5 Wait for confirmation message and beep Following message is displayed if dongle was initialized properly EXTERNAL BT DONGLE SEARCHING OK 6 The successfully initialized Bluetooth dongle A 1436 is now ready to be connected to a Metrel Powermeter Notes a The Bluetooth dongle A 1436 should always be initialized before first use with the EurotestPV Lite instrument or Metrel Powermeter a 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 a For more information about communication via Bluetooth refer to chapter 6 6 Communications and A 1436 manual 32 MI 3109 EurotestPV Lite Measurements 5 Measurements 5 1 Insulation resistance The Insulation resistance measurement is performed in order to ensure safety against electric shock through insulation between live parts on PV installations and earth The measurement is carried out according to test method 1 in IEC EN 62446 test between panel string array negative and earth followed by a test between panel string array positive and earth See chapter 4 2 Function selection for instructions on key functionality The input voltage is displayed Figure 5 1 Insulation resistance Test parameters for insulation resis
19. 232 WIRELESS Wireless communication with external devices A 1378 PV remote unit Keys UP DOWN Selects option TEST Confirms selected option ESC Exits back to Settings menu Function selector Exits back to main menu without changes 4 4 9 2 Searching for the Metrel Powermeter with Bluetooth connection and pairing with EurotestPV Lite instrument In the BLUETOOTH DEVICES menu a Metrel Powermeter with Bluetooth connection can be found selected and paired with the instrument The Metrel Powermeter must have connected a properly initialized Bluetooth dongle A 1436 See chapter nitialization of the Bluetooth dongle s for more details ELUETOOTH DENICES Power meter Figure 4 20 Bluetooth devices menu To select a new Powermeter with Bluetooth connection press TEST in BLUETOOTH DEVICES menu A list of found Bluetooth devices will be displayed Select the appropriate device using the arrow keys Confirmation with TEST key will pair those two instruments SEARCHING PR ETE Figure 4 21 Searching and selection of Metrel Powermeter Bluetooth connection 30 MI 3109 EurotestPV Lite Instrument operation Keys UP DOWN Selects appropriate Bluetooth device TEST Confirms selected device ESC Exits back to Bluetooth devices menu Function selector Exits back to main menu without changes Note a This operation must be performed when working with the Powermeter for the first time or if its settings were changed
20. 46 Auto The Auto function is intended to perform a complete test of PV panel string array a insulation resistance between positive output and earth a insulation resistance between negative output and earth a open circuit voltage a short circuit current The test is carried out in one set of automatic tests guided by the instrument See chapter 4 2 Function selection for instructions on key functionality The input voltage is displayed Figure 5 42 Automatic measurement starting screen Test parameters for automatic measurement Test voltage 50 V 100 V 250 V 500 V 1000 VL 51 MI 3109 EurotestPV Lite Measurements Test circuits for automatic measurement e N Figure 5 43 Connection for automatic measurement with universal PV test lead Automatic measurement procedure Select AUTOTEST mode from main menu Set environmental parameters modul and measuring settings optional Select the sub function using the function selector keys Set the required insulation test voltage Enable and set limit value optional Connect universal PV test cable to the instrument see Error Reference source not found 43 Connect environmental probes to the instrument optional Connect accessories to the PV system see Error Reference source not found 43 Press the TEST key to perform the measurement After the measurement is finished wait until tested item is fully discharged Store the result by pressing th
21. Connect accessories to the PV system see figures 5 20 and 5 22 Check input voltages on the instrument and measurement results on the Powermeter best to be in Power measurements menu Press the TEST key to perform the measurement Results from both instruments are displayed on the EurotestPV Lite screen A C measurement results in detail are displayed on Powermeter also Store the result by pressing the MEM key optional INVERTER DC INVERTER AC DC DC AC DC AC T f5 l T f5 l I 2 39 A P 2 39 A F 203 H 203 H H 25 2U 10 75 10 92 22 06 0 39 kW 18 69 18 72 0 67 0 64 k r 21 56 21 67 22 07 0 75 WA 10 49 0 50c 0 99c 0 52c 1 9 49 0 50 1 00 234 5 235 8 235 8 V 91 93 91 90 93 61 A LO 1236 Figure 5 25 Example of Powermeter result screen 3 phase a c output Displayed results for PV inverter test DC column Wet E measured voltage at the input of the inverter E RE measured current at the input of the inverter EE measured power at the input of the inverter AC 3 phase power column ee measured total power at the output of the inverter 42 MI 3109 EurotestPV Lite Measurements iad erent measured power of phase 1 at the output of the inverter PZ eens measured power of phase 2 at the output of the inverter PO usani measured power of phase 3 at the output of the inverter E calculated efficiency of the inverter PEE actual voltage on test inputs Notes Q Q Q With one current cl
22. Lite Measurements Figure 5 20 Connection to Metre Powermeter for 3 phase AC measurements 40 MI 3109 EurotestPV Lite Measurements Of a Figure 5 22 Connection in AC3 DC sub function using PV safety probe PV inverter test procedure with EurotestPV Lite instrument MAS aia Sub function using the function selector keys and A V keys Connect PV safety probe and current clamp to the instrument see figures 5 15 to 5 18 or Connect PV test lead A 1385 and current clamps to the instrument see figure 5 19 Connect accessories to the PV system see figures 5 15 to 5 19 Check input voltages Press the TEST key to perform the measurement Store the result by pressing the MEM key optional PV inverter test procedure with EurotestPV Lite instrument and Metrel Powermeter 41 MI 3109 EurotestPV Lite Measurements Note The Communication settings of Powermeter must be following source RS232 Baud Rate 9600 Select AAMAR A sub function using the function selector keys and A Y keys Be sure that the EurotestPV Lite instrument and Powermeter are connected via serial cable or Bluetooth Connect universal PV test lead or PV safety probe and DC current clamp to the EurotestPV Lite instrument see figures 5 20 to 5 22 Connect voltage test leads and AC current clamps to the Powermeter Connect voltage test leads to L1 L2 L3 and N at the output side of the inverter see figures 5 20 to 5 22
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24. PV Lite Measurements R LOWQ measurement procedure Select continuity function using the function selector keys Set sub function to using A v keys Enable and set limit optional Connect PV continuity test lead to the instrument Compensate the test leads resistance if necessary see section 5 2 3 Connect the test leads to the appropriate PE wiring see Figure 5 6 Press the TEST key to perform the measurement After the measurement is finished store the result by pressing the MEM button optional E E E E E Q E E Figure 5 7 a of RLOW Q result Displayed result FS EEEE R LOWO resistance SF ER result at positive polarity Pe result at negative test polarity O E actual voltage on test inputs 5 2 2 Continuous resistance measurement with low current In general this function serves as standard Q meter with a low testing current The measurement is performed continuously without polarity reversal The function can also be applied for testing continuity of inductive components Connection for continuous resistance measurement 2o JA A JO Figure 5 8 Example of Continuity test Continuous resistance measurement procedure MI 3109 EurotestPV Lite Measurements Enable and set the limit optional Connect PV continuity test lead to the instrument Compensate test leads resistance if necessary see section 5 2 3 Disconnect from mains supply and discharge the object to be tested Connect test
25. accessory use a soft cloth slightly moistened with soapy water or alcohol Then leave the instrument or accessory 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 8 3 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 calibration Only an authorized technical person can do the calibration Please contact your dealer for further information 8 4 Service For repairs under warranty or at any other time please contact your distributor 65 MI 3109 EurotestPV Lite Technical specifications 9 Technical specifications 9 1 Insulation resistance of PV systems RISO and RISO Insulation resistance nominal voltages 50 Vpc 100 Vpc and 250 Voc Measuring range according to EN61557 is 0 15 MQ 199 9 MQ Measuring range MQ Resolution MQ Accuracy at 10 of reading 100 0 199 9 20 of reading Insulation resistance nominal voltages 500 Vpc and 1000 Voc Measuring range according to EN61557 is 0 15 MQ 1 GQ 5 of reading 3 digits 10 of reading Voltage Measuring range V Resolution V O 1200 1s 3 Of reading 3 digits Nominal voltages cccceceeeeeeees 50 Vpc 100 Voc 250 Voc 500 Voc 1000 Voc Open circuit voltage cccececee
26. al care for safe operation The symbol requires an action oa If the test equipment is used in a manner not specified in this user manual the protection provided by the equipment could be impaired a Read this user manual carefully otherwise the use of the instrument may be dangerous for the operator the instrument or for the equipment under test a Do not use the instrument or any of the accessories if any damage is noticed a Consider all generally known precautions in order to avoid risk of electric shock while dealing with hazardous voltages a If a fuse blows follow the instructions in this manual in order to replace it Use only fuses that are specified a Do not use the instrument in AC supply systems with voltages higher than 550 Va c a Do not use the instrument in PV systems with voltages higher than 1000 V d c and or currents higher than 15 A d c Otherwise the instrument can be damaged a Service repairs or adjustment of instruments and accessories is only allowed to be carried out by competent authorized personnel a The instrument comes supplied with rechargeable Ni MH battery cells The cells should only be replaced with the same type as defined on the battery compartment label or as described in this manual Do not use standard alkaline battery cells while the power supply adapter is connected otherwise they may explode 4 Hazardous voltages exist inside the instrument Disconnect all test leads remove t
27. allation structure elements upload from PC Default installation structure elements are Object Inverter String and Panel In the PCSW package Eurolink PRO default names can be changed with customized names that corresponds the installation under test Refer to PCSW Eurolink PRO HELP for information how to upload customized installation names to the instrument RECALL RESULTS OE GF PARTMENT 1 Figure 6 12 Example of menu with customized PV installation structure names 6 5 5 Renaming installation structure elements with serial barcode reader or RFID reader Default installation structure elements are Object Inverter String and Panel When the instrument is in the Save results menu location ID can be scanned from a barcode label with the barcode reader or can be read from a RFID tag with the RFID reader Figure 6 13 Connection of the barcode reader and RFID reader How to change the name of memory location Connect the barcode reader or RFID reader to the instrument Make sure that RS232 is selected in Communication menu In Save menu select memory location to be renamed A new location name scanned from a barcode label or a RFID tag will be accepted by the instrument A successful receive of a barcode or RFID tag is confirmed by two short confirmation beeps Note a Use only barcode readers and RFID readers delivered by Metrel or authorized distributor 60
28. amp the complete test can be performed in two steps Input should be set to B and IX separately For the INVERTER AC DC test fused test lead A 1385 must be used For more information about measuring and setup of the Metrel Powermeter refer to Metrel Powermeter s instruction manual Contact Metrel or distributor for detailed information which Metrel Powermeters are suitable for this measurement 5 4 PV panel test PV panel test is intended to check proper operation of PV panels Following functions are supported Q E E measuring of output voltage current and power of PV panel comparison of measured PV output values MEAS values and calculated nominal data STC values comparison of measured PV output power Pmeas and theoretical output power Ptheo The PV panel test results are divided into three screens See chapter 4 2 Function selection for instructions on key functionality PANEL 3 3 Figure 5 26 PV module test starting screens 43 MI 3109 EurotestPV Lite Measurements Connection for PV panel test Figure 5 28 Connection with PV safety probe PV panel test procedure Select WAS sub function using the function selector keys Connect universal PV test lead PV safety probe current clamp s and sensors to the instrument see Error Reference source not found 2 and Error Reference source not found 28 Connect accessories to the PV system to be tested see Error Reference source not found 2 an
29. and function parameters 6 2 Data structure The instrument s memory place is divided into 4 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 location of the measurement which object inverter string panel 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 inverter and string and panel 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 PV system a Customized names of data structure elements can be uploaded from EurolinkPRO PCSW a Simple browsing through structure and results a Test reports can be created with no or little modifications after downloading results to a PC RECALL RESULTS TRVITNUERTER 007 STRISTRING H61 FAMIPANEL Hil Ho 3 3 RISO Figure 6 1 Data structure and measurement fields Data structure field Memory operation menu LEJ OEJECT el eaen Data structure field FAMJPANEL Bel a 1 level OBJECT Default location name object and its successive number 001 No of selected element a 2 level INVERTER Default location name inverter and its successive number 001 No of selected element a 3 level STRING Default location name string and its successiv
30. ays perform zeroing of DC current clamps before test Auto a Consider all notes for individual tests The Automatic test cannot be carried out with the A 1384 PV Safety Probe a The insulation resistance results may slightly differ in comparison to results in Single test mode because of the three wire connection and the internal resistance of the measuring instrument E MI 3109 EurotestPV Lite Safety and operational considerations 2 2 Battery and charging The instrument uses six AA size alkaline or rechargeable 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 Figure 2 1 Discharged battery indication The battery is charged whenever the power supply adapter is connected to the instrument The power supply socket polarity is shown in figure 2 2 Internal circuit controls charging and assures maximum battery lifetime Figure 2 2 Power supply socket polarity Symbols l Indication of battery charging Figure 2 3 Charging indication A Warnings related to safety a When connected to an installation the instruments battery compartment can contain hazardous voltage inside When replacing battery cells or before opening the battery fuse
31. ck to main function menu without changes PV measurements settings Parameters for PV measurements can be set in this menu Figure 4 16 Selection of PV measurement settings Parameters for PV measurements Test std Testing standard IEC 60891 CEI 82 25 Type of irradiance measuring sensor PV cell Pyran drr min Minimal valid solar irradiance for calculation 500 1000 W m Temperature for calculation Tamb Tcell Mod Ser _ Number of modules in serial 1 30 Number of modules in parallel 1 10 Selection of PV test parameters Keys Aly Selects appropriate option TEST Enables changing data of selected parameter MEM Saves settings ESC Function selector Exits back Changing data of selected parameter Keys Alyx Sets parameter TEST Confirms set data ESC Function selector Exits back 28 MI 3109 EurotestPV Lite Instrument operation 4 4 8 Accessories ACCESSORIES In the Accessories menu options for ae demanded accessories can be set paa Figure 4 17 Accessories menu Options are TEST CABLE Measurements are to be carried out with universal PV test lead If PV Safety Probe is connected to the instrument the measurement results will be wrong PV SAFETY PROBE Measurements can be carried out only with PV Safety Probe AUTO Measurements can be carried out with universal PV test lead or PV Safety Probe If detected PV Safety Probe has priority Keys AlY Select
32. compartment cover disconnect any measuring accessory connected to the instrument and turn off the instrument a Ensure that the battery cells are inserted correctly otherwise the instrument will not operate and the batteries could be discharged a Do not recharge alkaline battery cells a Use only power supply adapter delivered from the manufacturer or distributor of the test equipment 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 MI 3109 EurotestPV Lite Safety and operational considerations If the instrument is not to be used for a long period of time remove all batteries from the battery compartment a Alkaline or rechargeable Ni MH batteries size AA can be used Metrel recommends only using rechargeable batteries with a capacity of 2100mAh or above a Unpredictable chemical processes can occur during the charging of battery cells that have been left unused for a longer period more than 6 months In this case Metrel recommends repeating the charge discharge cycle at least 2 4 times 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 One different batt
33. d Error Reference source not found 28 Check input voltage Press the TEST key to perform the test Store the result by pressing the MEM key optional 44 MI 3109 EurotestPV Lite Measurements d WH 208 H Figure 5 29 Examples of PV measurement results Displayed results are MEAS column Uoan measured output voltage of the panel Eae measured output current of the panel EEEREN measured output power of the panel STC column Userin calculated output voltage of the panel at STC bonoen calculated output current of the panel at STC E E calculated output power of the panel at STC Pstc measured output power of the panel at STC Pmax nominal output power of the panel at STC eee efficiency of the panel at STC Pmeas measured output power of the panel at momentary conditions Ptheo calculated theoretical output power of the panel at momentary conditions TEIT calculated efficiency of the panel at momentary conditions U eea actual voltage on test inputs Notes E Q E E 5 5 Before starting the PV measurements settings of PV module type and PV test parameters should be checked For calculation of STC results PV module type PV test parameters Uoc Isc Irr and T ambient or cell values must be measured or be entered manually before the test The results in ENV and Uoc Isc menus are considered If there are no results in Uo Isc menu the instrument will consider results in l V menu The
34. e 4i t fse o Tuc D N a T STC T M Se eg sre M PUL STC T where l and U are measured direct current and voltage at panel lse is measured short circuit current of panel rrs7c is irradiance at STC Irr is measured irradiance a and 6 are the current and voltage temperature coeff off panel Tsrc is temperature at STC 7 is measured temperature Rs is serial resistance of panel M is number of modules in serial and N is number of modules in parallel 13 MI 3109 EurotestPV Lite Appendix E PV measurements calculated values Un Cal va of curent and vonage at siandara wst onion Us measures droet curontana vorago teen ee parei dent emma eb eumontana vonage temperature coot otani Pe eonairessarco otoan OOO mO mmeorormososinsora OOOO NO rmeerormosos moane O O Pero A sre U sre Conversion efficiency 1 panel P STC VON P nom 2 inverter AC I C 14
35. e MEM key optional Figure 5 44 Example of automatic measurement result Displayed results RISO insulation resistance between array negative and earth RISO Ficscsessara insulation resistance between array positive and earth Uoc M measured open voltage of the panel Isc M measured short circuit current of the panel 52 MI 3109 EurotestPV Lite Measurements Uoc S calculated open voltage at STC Ise S calculated short circuit current at STC I Bee cenagate actual voltage on test inputs Notes a Before starting the PV measurements settings of PV module type and PV test parameters should be checked a For calculation of STC results correct PV module type PV test parameters Irr and T ambient or cell values must be measured or be entered manually before the test The Irr and T results in ENV menu are considered Refer to Appendix E for further information a The Irr and T measurements should be carried out immediately before the Uoc Isc test Environmental conditions must be stable during the tests a For best results PV remote unit A 1378 should be used 53 MI 3109 EurotestPV Lite Data handling 6 Data handling 6 1 Memory organization Measurement results together with all relevant parameters can be stored in the instrument s memory After the measurement is completed results can be stored to the flash memory of the instrument together with the sub results
36. e and UME asses a tire creas Saliccadsneanse vaste T A 22 4AA AANA GOUHING S525 espagnol is eta he Le tab acta EN 23 AAD SCIAP eNOS 12st ate os ieee a ee i ee aie eh a a eee ee epee ea 24 4 4 6 Synchronization A 1378 PV Remote unit cecccccccsccccsecceecceeeeseecceecsessseeesseesseees 24 BAT lt SOIAl SCIINIOS e ra tates ae E ste snci tetra ate dt ahem wees natal tau tee niet dag slut aan 25 AND ACCO SONO aasieic al cine ties vec a a A a A 29 AOD COMMUNICA suiii Ann EE A N 29 5 Me s remMmeNnlS socne Sa 33 9 1 IISUIETION EEE E E E S EEE E E S E AE E sheets 33 5 2 Resistance of earth connection and equipotential bonding cceceeee anes 39 5 2 1 R LOW 200 mA resistance M ASUEMEN 0 2 00 ccccecececcececnecececeeeececeeneneeesnseaeaes 35 5 2 2 Continuous resistance measurement with OW CUITONE cccccccseecsecceeeceeseneseeesees 36 5 2 3 Compensation of test leads resistance cccccccecceeccecceeceececenecneeeeeeeceeceneseseeeens 37 LVS mmm acl AN CAS 00 Bel c mon ae Tay To ST 38 24 PVD ANC MOS anra a e morse eens 43 5 5 Measuring of environmental parameters ccceccceccceeeseeeeeeseeeeeeaeeeaeeeaees 45 5 5 1 Operation with A 1378 PV Remote UNIt ccccccccccceccnseccnecceeesneceeseessnenseececenesens 47 BO UOCI ISG IME ASUPSINIS Nkheninre ect oietiet eat eatitekieab ak orad eh bee etch tiene 47 51 V e nemeas emen ssie E 49 MI 3109 EurotestPV Lite Table of contents 5 8
37. e number 003 No of selected element DEJ OEJECT Bel INV INVERTER Bel STRISTRING BAS 54 MI 3109 EurotestPV Lite Data handling a 4 level PANEL Default location name panel and its successive number 001 No of selected element No of measurements in selected location No 26 112 No of measurements in selected location and its sub locations FAMIPANEL Hl Measurement field RISO Type of stored measurement in the selected location Ho Z3 No of selected test result No of all stored test results in S selected location 55 MI 3109 EurotestPV Lite Data handling 6 3 Storing test results After the completion of a test the results and parameters are ready for storing ke icon is displayed in the information field By pressing the MEM key the user can store the results Memord frees Save eo ts foETIOBRIECTI THVJINWERTER AAT ETRISTRING H l FAM FAHEL Bee FREE 99 4 MEM SAVE Figure 6 2 Save test menu 33 6 Memory available for storing results Keys in save test menu data structure field TAB Aly MEM ESC TEST selects the location element Object Inverter String Panel selects number of selected location element 1 to 199 saves test results to the selected location and returns to the measuring function screen Exits back to measuring function screen without save Function selector Notes a The instrument offers to store the r
38. emote Unit see PV Remote Unit User Manual 5 6 Uoc Isc measurement The Uoc Isc test is intended to check if protection devices in the d c part of the PV installation are effective The measured data can be calculated to nominal data STC values See chapter 4 2 Function selection for instructions on key functionality 47 MI 3109 EurotestPV Lite Measurements Connection for Uoc Isc measurement Figure 5 36 Connection with PV safety probe Uoc Isc measurement procedure Select sub function using the function selector keys and A v keys Connect universal PV test lead PV safety probe and sensors optional to the instrument see Error Reference source not found 35 and Error Reference source not found 36 Connect accessories to the item to be tested see Error Reference source not found 35 and Error Reference source not found 36 Check value and polarity of input voltage Press the TEST key to perform the measurement Store the result by pressing the MEM key optional 48 MI 3109 EurotestPV Lite Measurements MEAS Uo 412 110 Isc 5 290 amp 933A TERI Gi Figure 5 37 Example of Uoc lsc measurement results Displayed results for Uoc Isc measurement MEAS column UOC oisin measured open voltage of the panel S Conania measured short circuit current of the panel STC column JOC anav calculated open voltage at STC SC calculated short circuit current at STC case actual voltage
39. ended to perform all measurements on photovoltaic systems Measurements and tests on PV systems on a c and d c part Continuity tests Insulation resistance on PV systems Voltages currents and power in PV systems Inverter and PV panels Calculation of efficiencies and STC values in PV systems Uoc Isc measurements Environmental parameters Temperature and Irradiance l V curve test Automatic test procedure acc to IEC EN 62446 DOCO DODDO 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 instrument is designed to be as simple and clear as possible and no special training except for the reading this instruction manual is required in order to begin using the instrument The instrument is equipped with the entire necessary accessory for comfortable testing MI 3109 EurotestPV Lite Safety and operational considerations 2 Safety and operational considerations 2 1 Warnings and notes In order to maintain the highest level of operator safety while carrying out various tests and measurements Metrel recommends keeping your EurotestPV Lite instrument in good condition and undamaged When using the instrument consider the following general warnings A General warnings related to safety o The A symbol on the instrument means Read the Instruction manual with speci
40. er eg MI 3109 12240429D If the Bluetooth dongle got another name the configuration must be repeated 63 MI 3109 EurotestPV Lite Upgrading the instrument Upgrading the instrument The instrument can be upgraded from a PC via the RS232 communication port This enables to keep the instrument up to date even if the standards or regulations change The upgrade can be carried with a help of special upgrading software and the communication cable as shown on Figure 6 14 Please contact your dealer for more information 64 MI 3109 EurotestPV Lite Maintenance 8 Maintenance Unauthorized persons are not allowed to open the EurotestPV Lite instrument There are no user replaceable components inside the instrument except the battery and fuses under rear cover 8 1 Fuse replacement There are two fuses under the back cover of the EurotestPV instrument a F2 F3 FF 315 mA 1000 V d c 32x6 mm Breaking capacity 50 kA Optional accessory A 1385 PV test lead has replaceable fuse in each test lead a FF 315 mA 1000 V d c 32x6 mm Breaking capacity 50 kA Warnings o A Disconnect all measuring accessory and switch off the instrument vasa opening battery fuse compartment cover hazardous voltage a Replace blown fuse with original type only otherwise the instrument or accessory may be damaged and or operator s safety impaired 8 2 Cleaning No special maintenance is required for the housing To clean the surface of the instrument or
41. ery cell can cause an improper behavior of the entire battery pack 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 This information is provided in the technical specification from battery manufacturer 10 MI 3109 EurotestPV Lite Safety and operational considerations 2 3 Standards applied The EurotestPV Lite instruments are manufactured and tested in accordance with the following regulations Electromagnetic compatibility EMC EN 61326 Electrical equipment for measurement control and laboratory use EMC requirements Class B Hand held equipment used in controlled EM environments Safety LVD EN 61010 1 EN 61010 2 030 EN 61010 031 EN 61010 2 032 Safety requirements for electrical equipment for measurement control and laboratory use Part 1 General requirements Safety requirements for electrical equipment for measurement control and laboratory use Part 2 030 Particular requirements for testing and measuring circuits Safety requirements for electrical equipment for measurement control and laboratory use Part 031 Safety requirements for hand held probe assemblies for electrical measurement and test Safety requirements for electrical equipment for measurement control and laboratory use Part 2 032 Particular requirements for hand held and hand manipulated curre
42. esult 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 twice 56 MI 3109 EurotestPV Lite Data handling 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 RECALL RESULTS oT OBJECT 1 INY INJERTER AAT STRISTEING AL FAMIPANEL ed aS Figure 6 3 Recall menu installation Figure 6 4 Recall menu measurements structure field selected field selected Keys in recall memory menu installation structure field selected TAB selects the location element Object Inverter String Panel AlY selects number of selected location element 1 to 199 Function selector l ESC Exits back to main function menu TEST Enters measurements field Keys in recall memory menu measurements field Aly Selects the stored measurement TAB ESC Returns to installation structure field Function selector Exits back to main function menu TEST View selected measurement results Figure 6 5 Example of recalled measurement result Keys in recall memory menu measurement results are displayed AlY Displays measurement results stored in selected location MEM ESC Returns to measurements field Function selector TEST Exits back to main function menu 57 MI 3109 EurotestPV Lite Data handling 6 5 Clearing stored data 6 5 1
43. ety probe A 1384 I V curve a PV MC 4 adapters a PV MC3 adapters a AC DC current clamp A 1391 a PV Remote unit A 1378 Inverter a Universal PV test lead 3 x 1 5m a PV Safety probe A 1384 a PV MC 4 adapters a PV MC3 adapters a PV Remote unit A 1378 a PV fused test lead A 1385 a AC DC current clamp A 1391 a AC current clamp A 1018 a AC current clamp A 1019 Environment a Temperature probe A 1400 a Pyranometer A 1399 a Monocrystal PV cell A 1427 a PV Remote unit A 1378 Auto a Universal PV test lead 3 x 1 5m a PV MC 4 adapters a PV MC3 adapters 11 MI 3109 EurotestPV Lite Appendix E PV measurements calculated values Appendix PV measurements calculated values Calculation with known U I DC AC configuration of modules into a string M modules in serial N modules in parallel environment parameters Irr T and data supplied by the panels manufacturer U I AC DC phase Istc y Pnom NOCT Irr irrst Tamb or Tcell Panel DC 3 Poc Da E ae 7 i U and are measured on panel connectors i is for multi phase systems i 1 3 Inverter AC 3 Pic r E oe COS P i l U and phase are measured on inverter connectors i is for multi phase systems i 1 TO Conversion efficiency 1 panel P I h oe Fra HIN P mn gt 7 theo ITTrc where Prom is nominal power of panel at STC rrszc is nominal irradiance at STC rrsrc 1000 W m Irr
44. gs See chapter 4 4 10 Solar Settings _ Function a Sub function Parameters limit value ee ISO No limit RISO RISO Utest 500 V INVERTER AC DC AUTO No limit Utest 500 V Note a Initial settings reset of the instrument can be recalled also if the TAB key is pressed while the instrument is switched on 23 MI 3109 EurotestPV Lite Instrument operation 4 4 5 Clamp Settings CLAMP SETTINGS CLAMP 1 In Clamp settings menu the C1 and C2 P measuring inputs can be configured Figure 4 9 Configuration of current clamp measuring inputs Parameters to be set Model of current clamp A 1018 A 1019 A 1391 Measuring range of current clamp 20 A 200 A 40 A 300 AJ Selection of measuring parameters Keys Aly Selects appropriate option TEST Enables changing data of selected parameter MEM Saves settings ESC Exits back to clamp settings menu Function selector Exits back to main menu without changes Changing data of selected parameter Keys AlY Sets parameter TEST Confirms set data ESC Disable changing data of selected parameter Function selector Exits back to main menu without changes Note a Measuring range of the instrument must be considered Measurement range of current clamp can be higher than of the instrument 4 4 6 Synchronization A 1378 PV Remote unit The main purpose of the synchronization is to get correct values of temperature and irradiance for calculation of STC meas
45. he power supply cable and switch off the instrument before removing battery compartment cover a Do not connect any voltage source on C1 and P C2 inputs They are intended only for connection of current clamps and sensors Maximal input voltage is 3 V MI 3109 EurotestPV Lite Safety and operational considerations All normal safety precautions must be taken in order to avoid risk of electric shock while working on electrical installations PV sources can produce very high voltages and currents Only skilled and trained personnel should perform measurements on photovoltaic systems Local regulations should be considered Safety precautions for working on the roof should be considered In case of a fault in the measuring system wires devices connections measuring instrument accessories presence of flammable gases very high moisture or heavy dust an electrical arc can occur that will not extinguish by itself Arcs can lead to fire and can cause heavy damage Users must be skilled to disconnect the PV system safely in this case Use only dedicated measuring accessories for testing on PV electrical installations Metrel accessories for PV installations have yellow marked connectors Consider that protection category of some accessories is lower than of the instrument Test tips 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 1000 V cap on
46. leads to the tested object see Figure 5 8 Press the TEST key to begin performing a continuous measurement Press the TEST key to stop measurement Store the result by pressing the MEM key optional E E E E E E E Q Figure 5 9 Example of continuous resistance measurement Displayed result Perenssrsisii resistance De E actual voltage on test inputs 5 2 3 Compensation of test leads resistance This chapter describes how to compensate the test leads resistance in both continuity functions R LOWQ and CONTINUITY Compensation is required to eliminate the influence of test leads resistance and the internal resistances of the instrument on the measured resistance The lead compensation is therefore a very important feature to obtain correct result CAL symbol is displayed if the compensation was carried out successfully Circuits for compensating the resistance of test leads Figure 5 10 Shorted test leads Compensation of test leads resistance procedure Select peed te or ofe ai ela function Connect Continuity PV test lead to the instrument and short the test leads together see Figure 5 10 Press TEST to perform resistance measurement Press the CAL key to compensate leads resistance 3 MI 3109 EurotestPV Lite Measurements CALIBRATION R 0 00p CALIBRATION Figure 5 11 Results with old calibration Figure 5 12 Results with new calibration value value Note a The highest value for lead co
47. measurement is not compensated Test leads resistance in Continuity measurement is compensated 18 MI 3109 EurotestPV Lite Instrument operation Too small current for declared accuracy Results may be impaired I Check in Current Clamp Settings if sensitivity of current clamp can be increased CLIP Measured signal is out of range clipped Results are impaired External DC voltage is detected Measurements are blocked Fuse is broken 4 1 4 Results VA Measurement result is inside pre set limits PASS x Measurement result is out of pre set limits FAIL 4 1 5 Sound warnings Continuous sound Warning Dangerous voltage on the PE terminal is detected 4 1 6 Help screens HELP Opens help screen Help menus are available in all functions The Help menu contains schematic diagrams for illustrating how to properly connect the instrument to electric installation or PV system After selecting the measurement you want to perform press the HELP key in order to view the associated Help menu Keys in help menu AlYV Selects next previous help screen ESC HELP Function selector Exits help menu HELP THWERTER aot Figure 4 1 Examples of help screens 4 1 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
48. mpensation is 5 Q If the resistance is higher the compensation value is set back to default value CAL is displayed if no calibration value is stored 5 3 PV inverter test The test is intended to check proper operation of the PV inverter Following functions are supported a Measuring of DC values at inverter s input and AC values at inverter s output a Calculation of the efficiency of the inverter With the EurotestPV Lite instrument one DC and one AC signal can be measured at the same time For 3 phase inverters one DC and three AC signals can be measured at the same time with a combination of a Metrel Powermeter and the EurotestPV Lite instrument During the measurement the Power meter and EurotestPV Lite instrument must be connected via serial cable or Bluetooth link At the end of the measurement the results from Powermeter are sent to and displayed on the EurotestPV Lite instrument see chapter 4 2 Function selection for instructions on key functionality INVERTER DC INVERTER AC INWERTER AC DC EE IC AC IC AC Use Pl test lead A1385 Figure 5 14 Examples of PV inverter test starting screens three phase a c output Settings and parameters for PV inverter test Inputs Outputs being measured AC DC AC DC AC3 AC3 DC 38 MI 3109 EurotestPV Lite Measurements Connection for PV inverter measurement AC SWITCH Figure 5 17 Connection with PV Safety Probe DC side 39 MI 3109 EurotestPV
49. n conditions Working temperature range 0 C 40 C Maximum relative humidity 95 RH 0 C 40 C non condensing Storage conditions Temperature range ccccceeeeeees 10 C 70 C Maximum relative humidity 90 RH 10 C 40 C 80 RH 40 C 60 C Communication transfer speed RZ menda ies eee es eee 5 600 baud RS 232 WIPel SS ccceeecececeeeeeeees 9600 baud JS a E 256000 baud Size of memory l V CUIVG nal eaar ie Poti eal ote ca 500 measurements Other measurements 0 008 ca 1800 measurements 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 70 MI 3109 EurotestPV Lite Appendix B Accessories for specific measurements Appendix B Accessories for specific measurements The table below presents recommended standard and optional accessories required for specific measurement 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 a Universal PV test lead 3x 1 5m a PV Safety probe A 1384 R LOWO resistance a PV continuity test lead 2 x 1 5m Continuity Panel a Universal PV test lead 3x 1 5m Isc Uoc a PV Saf
50. n is not supported by the selected Android application then configure a Bluetooth link via Android device s Bluetooth configuration tool Usually no code for pairing the devices is needed The instrument and Android device are ready to communicate How to configure a Bluetooth link between EurotestPV Lite instrument and Metrel Powermeter Switch Off and On the EurotestPV Lite instrument Be sure that the EurotestPV Lite Bluetooth dongle A 1436 is connected and properly initialized If not the Bluetooth dongle must be initialized as described in chapter 4 4 9 Error Reference source not found Switch On the Metrel Powermeter A second Bluetooth dongle A 1436 should be inserted to the Powermeter s PS 2 port Be sure that the second Bluetooth dongle A 1436 is properly initialized as PowerQ device If not the Bluetooth dongle must be initialized as described in chapter 4 4 9 Error Reference source not found The settings in instruments Communication menu see chapter 4 4 9 Communication should be as following COM PORT BT DONGLE BLUETOOTH DEVICES PowerQ The EurotestPV Lite instrument and Powermeter are ready to communicate 62 MI 3109 EurotestPV Lite Data handling Notes a 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 a The name of a correctly configured Bluetooth device must consist of the instrument type plus serial numb
51. nt sensors for electrical test and measurement Functionality EN 61557 Electrical safety in low voltage distribution systems up to 1000 Vac and 1500 Vac Equipment for testing measuring or monitoring of protective measures Part 1 General requirements Part 2 Insulation resistance Part 4 Resistance of earth connection and equipotential bonding Part 10 Combined measuring equipment Reference standard for photovoltaic systems EN 62446 Grid connected photovoltaic systems Minimum requirements for system documentation commissioning tests and inspection Note about EN and IEC standards a 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 11 MI 3109 EurotestPV Lite Instrument description 3 Instrument description 3 1 Front panel DA Legend N OS 01 B GW NM 10 11 12 13 LCD A Vv TEST ESC TAB Backlight Contrast ON OFF HELP CAL Function selector NEXT Function selector BACK MEM Green LED Red LED T Mi 3109 7 METREL A Figure 3 1 Front panel 128 x 64 dots matrix display with backlight Modifies selected parameter Starts measurements Goes one level back Selects the parameters in selected function Changes backlight level and co
52. ntrast Switches the instrument power on or off The instrument automatically turns off 15 minutes after the last key was pressed Accesses help menus Calibrates test leads in Continuity functions Selects test function Stores recalls memory of instrument Stores clamp and solar settings Indicates PASS FAIL of result 12 MI 3109 EurotestPV Lite Instrument description 3 2 Connector panel Figure 3 2 Connector panel Legend 1 Test connector Measuring inputs outputs 2 Charger socket 3 USB connector Communication with PC USB 1 1 port 4 Protection cover 5 C1 Current clamp measuring input 1 6 PIC Current clamp measuring input 2 Measuring input for external probes Communication with PC serial port Connection to optional measuring adapters Connection to barcode RFID reader Connection to Bluetooth dongle 7 PS 2 connector Warnings a Maximum allowed voltage between any test terminal and ground is 550 V a c or 1000 V d c a Maximum allowed voltage between test terminals on test connector is 600 V a c or 1000 V d c a Maximum allowed voltage between test terminals P C2 C1 is 3 V a Maximum short term voltage of external power supply adapter is 14 V 13 MI 3109 EurotestPV Lite Instrument description 3 3 Back side Figure 3 3 Back panel Legend 1 Battery fuse compartment cover 2 Back panel information label 3 Fixing screws for battery fuse compartment cover
53. obe provides additional safety and can be optionally used for PANEL UOC ISC I V INVERTER AC DC and RISO measurements a Fused A 1385 PV test lead must be used for INVERTER AC DC measurements a PV continuity test lead should be used for the Continuity tests Insulation resistance of PV systems a The instrument automatically discharge tested object after finished measurement a A double click of TEST key starts a continuous measurement a The insulation measurement is carried out according to test method 1 in IEC EN 62446 Test between panel string array negative and earth followed by a test between panel string array Positive and earth Continuity functions a If a voltage of higher than 10 V AC or DC is detected between test terminals the continuity resistance test will not be performed a Before performing a continuity measurement where necessary compensate test lead resistance a Parallel loops may influence test results Panel Inverter Uoc Isc l V a Before starting a PV measurement the settings of PV module type and PV test parameters should be checked a Environmental parameters Irr T can be measured or entered manually a Environmental conditions irradiance temperature must be stable during the measurements a For calculation of STC results measured Uoc Isc values irradiance temperature ambient or cell and PV module parameters must be known Refer to Appendix E for more information a Alw
54. on test inputs Notes a Before starting the PV measurements settings of PV module type and PV test parameters should be checked a For calculation of STC results correct PV module type PV test parameters Irr and T ambient or cell values must be measured or be entered manually before the test The Irr and T results in ENV menu are considered Refer to Appendix E for further information a The Irr and T measurements should be carried out immediately before the Uoc Isc test Environmental conditions must be stable during the tests a For best results PV remote unit A 1378 should be used 5 7 V curve measurement The V curve measurement is used to check correct operation of the PV panels Different problems on PV panels failure of a part of the PV panel string dirt shadow etc can be found Figure 5 38 1 V curve starting screens The data to be measured is divided into three screens See chapter 4 2 Function selection for instructions on key functionality Settings parameters for V curve measurement WE Number of screen o O Sys Results STC measured both to be displayed 49 MI 3109 EurotestPV Lite Measurements Connection for the I V curve measurement DC SWITCH Figure 5 40 Connections with PV safety probe I V curve measurement procedure select AY sub function using the function selector keys and A y keys Check or set PV module and PV testing parameters and limits opti
55. onal Connect universal PV test lead PV safety probe to the instrument Connect environmental probes to the instrument optional Connect accessories to the item to be tested see Error Reference source not found 39 and Error Reference source not found 40 Press the TEST key to perform the measurement 50 MI 3109 EurotestPV Lite Measurements a Store the result by pressing the MEM key optional Figure 5 41 Example of I V curve results Displayed results for V curve test UOC soua measured STC open circuit voltage of the panel ISG2 4 Adasen measured STC short circuit current of the panel Umpp measured STC voltage at maximal power point Impp measured STC current at maximal power point Pmpp measured STC maximal output power of the panel Notes a Before starting the PV measurements settings of PV module type and PV test parameters should be checked a For calculation of STC results correct PV module type PV test parameters Irr and T ambient or cell values must be measured or be entered manually before the test The Irr and T results in ENV menu are considered Refer to Appendix E for further information a The Irr and T measurements should be carried out immediately before the V curve test Environmental conditions must be stable during the tests a For best results PV remote unit A 1378 should be used 5 8 Automatic measurement procedure according to IEC EN 624
56. re the result by pressing the MEM key optional RISO RUSS Pe 13r RISO 100 G 1r Om 1634 Om Bl U G Bld B U G gl Figure 5 4 Examples of insulation resistance measurement result Displayed results EEEIEE insulation resistance i p PEPEE output voltage U dedeegegantnans actual voltage on test inputs 34 MI 3109 EurotestPV Lite Measurements 5 2 Resistance of earth connection and equipotential bonding The resistance measurement is performed in order to ensure that the protective measures against electric shock through earth connections and bondings are effective Two sub functions are available a RLOWO Earth bond measurement according to EN 61557 4 200 mA a CONTINUITY Continuous resistance measurement performed with 7 mA See chapter 4 2 Function selection for instructions on key functionality Figure 5 5 200 mA RLOW Q Test parameters for resistance measurement TEST Resistance measurement sub function R LOWQ CONTINUITY Maximum resistance OFF 0 1 Q 20 0 Q Additional test parameter for Continuity sub function a1 Buzzer On sound if resistance is lower than the set limit value or Off 5 2 1 RLOWO 200 mA resistance measurement The resistance measurement is performed with automatic polarity reversal of the test voltage Connection for RLOWQ measurement Fh fT E W ae fol ah H EO es C2 Figure 5 6 Connection for RLOW Q test 35 MI 3109 Eurotest
57. rogram Notes a USB drivers should be installed on PC before using the USB interface Refer to USB installation instructions available on installation CD a The RS232 port supports other services too for example upgrading the instrument connections of sensors adapters etc 61 MI 3109 EurotestPV Lite Data handling 6 6 2 Bluetooth communication How to configure a Bluetooth link between instrument and PC For Bluetooth communication with PC a Standard Serial Port over Bluetooth link for Bluetooth dongle A 1436 must be configured first Switch Off and On the instrument Be sure that the Bluetooth dongle A1436 is properly initialized If not the Bluetooth dongle must be initialized as described in chapter 4 4 9 Communication On PC configure a Standard Serial Port to enable communication over Bluetooth link between instrument and PC Usually 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 Be sure that the Bluetooth dongle A 1436 is properly initialized If not the Bluetooth dongle must be initialized as described in chapter 4 4 9 Communication some Android applications automatically carry out the setup of a Bluetooth connection It is preferred to use this option if it exists This option is supported by Metrel s Android applications If this optio
58. ror of external voltage and current transducers is not considered in this specification a For measuring range resolution and accuracy of the 3 phase a c powers Pt P1 P2 and P3 in AC3 and AC3 DC inverter sub functions refer to technical specifications of applied Metrel Powermeter 9 3 3 l V curve DC Voltage Measuring range V Resolution V 0 0 15 0 e e 15 1 199 9 014 2 of reading 2 digits 200 999 S 2 of reading DC Current 2 of reading DC Power menin range W Resolution W 1999 PT 3 Of reading 5 digits ale k 14 99 k P 100 3 of reading 68 MI 3109 EurotestPV Lite Technical specifications Maximal power of PV string 15 kW 9 3 4 Uoc Isc DC Voltage Measuring range V Resolution V 0 0 15 0 a indicative 15 1 199 9 2 of reading 2 digits 200 999 ee 2 of reading DC Current Measuring range A Resolution A 0 00 9 99 2 of reading 3 digits 10 00 15 00 2 of reading Maximal power of PV string 15 kW 9 3 5 Environmental parameters Solar Irradiance Probe A 1399 Measuring range W m Resolution W m 300 999 ee 5 of reading 5 digits 1000 1999 a ee 5 of reading Measuring principle Pyranometer Operation conditions Working temperature range 40 C 55 C Designed for continuous outdoor use Probe A1427 Resolution W m 0 999 W m oo TE 5 digits
59. rument operation Changing a PV module type parameter Keys Alyx Sets value data of parameter PV module type TEST Confirms set value data ESC Function selector Exits back PV module type memory menu ADD Enters menu for adding a new PV module type OVERWRITE Enters menu for storing changed data of selected PV module type DELETE Deletes selected PV module type DELETE ALL Deletes all PV module types Keys Aly Selects option TEST Enters selected menu Function selectors Exits back to main function menu lf Add or Overwrite is selected the menu for setting the PV module type name is displayed SAVE MODULE SETTINGS PU module P module name QUERMRITE 7 DELETE ALL DEF MOT HEN SAVE ESCICLR Figure 4 14 Setting name of PV module type Keys AlY Selects a character TEST Selects the next character MEM Confirms new name and stores it in the memory Then returns to Module settings menu ESC Deletes last letter Returns to previous menu without changes lf Delete or Delete all is selected a warning will be displayed SAWE MODULE SETTINGS DELETE PU MODULES ADL QUERWFE ITE All Saved PU module data will be lost DELETE DELETE ALL DELETE MODULE ce VES Figure 4 15 Delete options 2 MI 3109 EurotestPV Lite Instrument operation Keys TEST Confirms clearing In Delete all option YES must be selected ESC Exits back to PV module type memory menu without changes Function selector Exits ba
60. s option TEST Confirms selected option and exits back to settings menu ESC Exits back to settings menu without changes Function selector Exits back to main menu without changes Note a The A 1384 PV Safety Probe provides additional safety and can be optionally used for PANEL UOC ISC I V INVERTER AC DC and RISO measurements It is not intended for RLOW CONTINUITY and AUTO tests 4 4 9 Communication In this menu the instruments serial communication port can be configured and BLUETOOTH DEVICES INIT BT DONGLES k Figure 4 18 Communication menu Bluetooth dongles A 1436 can be initialized Options COM PORT Enters menu for setting serial communication BLUETOOTH DEVICES Enters menu for viewing and selecting Bluetooth devices INIT BT DONGLES Enters menu for initialization of Bluetooth dongle s Keys UP DOWN Selects option TEST Confirms selected option ESC Exits back to settings menu Function selector Exits back to main menu without changes 29 MI 3109 EurotestPV Lite Instrument operation 4 4 9 1 Selecting serial communication In the COM PORT menu the serial r communication can be set wired Bluetooth ET DONGLE Ro232 WIRELESS or wireless Figure 4 19 Menu for serial communication Options COM PORT RS232 Communication with external devices via RS232 cable BT DONGLE Communication with mobile devices Metrel Powermeters PCs or other external devices via Bluetooth RS
61. tage frequency w U OV 440V f 15Hz z METREL Ljubljanska 77 Phase rotation EN 61557 7 SI 1354 Horjul Nominal voltage 100V 440V 15Hz 500Hz eae ah oe R oy Results 1 2 3 or 2 1 3 quipment Manufacturer d d Www 5 Figure 3 5 Bottom Legend 1 Bottom information label 2 Neck belt openings 3 Handling side covers 3 4 Secure attachment of the strap You can choose between two methods Figure 3 6 First method 15 MI 3109 EurotestPV Lite Instrument description Figure 3 7 Alternative method Please perform a periodical check of the attachment 16 MI 3109 EurotestPV Lite 3 5 Instrument set and accessories 3 5 1 DOUODDODUOUDUOUOOUODODODOOOOUULUOD Standard set MI 3109 Instrument Soft carrying bag AC DC current clamp Universal PV test lead 3 x 1 5 m PV continuity test lead 2 x 1 5 m Test probe 3 pcs Crocodile clip 3 pcs PV MC 4 adapter male PV MC 4 adapter female PV MC 3 adapter male PV MC 3 adapter female set of NiMH battery cells Power supply adapter Set of carrying straps RS232 PS 2 cable USB cable CD with instruction manual Short instruction manual Calibration Certificate 3 5 2 Optional accessories Instrument description See the attached sheet for a list of optional accessories that are available on request from your distributor 17 MI 3109 EurotestPV Lite Instrument operation 4 Instrument operation 4 1 Displa
62. tance measurement TEST IRISO RISO Test voltage 50 V 100 V 250 V 500 V 1000 V Minimum insulation resistance OFF 0 01 MQ 200 MQ Connection for insulation resistance measurement 00 ET T s7 C2 Figure 5 2 Connection for insulation measurement with universal PV test lead 33 MI 3109 EurotestPV Lite Measurements o0 0 EE F Figure 5 3 Connection for insulation measurement with PV Safety Probe Insulation resistance measuring procedure Select the RRIS sub function using the function selector keys and A v keys Set the required test voltage Enable and set limit value optional Connect universal PV test lead or PV Safety probe A 1384 to the instrument see Figure 5 2 and Figure 5 3 Connect universal PV test lead or PV Safety probe A 1384 to the PV system see Figure 5 2 and Figure 5 3 step 1 Press the TEST key to perform the measurement double click for continuous measurement and later press to stop the measurement After the measurement is finished wait until tested item is fully discharged Store the result by pressing the MEM key optional Select the sub function using the A v keys Reconnect DC lead on PV Safety probe A 1384 see Figure 5 3 step 2 Press the TEST key to perform the measurement double click for continuous measurement and later press to stop the measurement After the measurement is finished wait until tested item is fully discharged Sto
63. ts back to main menu without changes 6 5 3 Clearing individual measurements Select DELETE RESULTS in MEMORY menu DELETE FESULTS OE TI ORJECT 1 NV INUERTER BAT STRISTRING Bel FAH Figure 6 9 Menu for clearing individual measurement installation structure field selected Keys in delete results menu installation structure field selected TAB Selects the location element Object Inverter String Panel AlN Selects number of selected location element 1 to 199 Function selector Exits back to main menu ESC Exits back to memory menu MEM Enters measurements field for deleting individual measurements Keys in delete results menu measurements field selected AlN Selects measurement TEST Opens dialog box for confirmation to clear selected measurement TAB ESC Returns to installation structure field Function selector Exits back to main menu without changes Keys in dialog for confirmation to clear selected result s TEST Deletes selected measurement result MEM TAB ESC Exits back to measurements field without changes Function selector Exits back to main menu without changes DELETE FESULTS OE TI ORJECT 1 NV INUERTER BAT FING BAI DELETE FESULTS OE TI ORJECT 1 NV INUERTER BAT ING Gel Ho 1 1 CLEAR RESULT RISO Figure 6 10 Dialog for confirmation Figure 6 11 Display after measurement was cleared 59 MI 3109 EurotestPV Lite Data handling 6 5 4 Renaming inst
64. urement results During the PV tests the displayed STC results are calculated on base of set or measured environmental data in the instrument s Environmental menu These values are not necessarily measured at the same time as other measurements Synchronization of time stamps enables to later update the PV measured results with environmental data that were measured simultaneously with the A 1378 PV Remote unit Stored STC values are then corrected accordingly 24 MI 3109 EurotestPV Lite Instrument operation SYNCHRONIZE Selecting this option will allow synchronization of data between the instrument and PV Remote unit i SYHC TIME Figure 4 10 Synchronize menu Data to be synchronized Instrument s time and date will be uploaded to the PV Remote unit instrument Saved STC results will be corrected accordingly Keys AlN Selects data to be synchronized TEST Synchronizes data Follow the information on the LCD If the synchronization succeeded a confirmation beep will follow after short and messages ESC Exits back to settings menu Function selector Exits back to main menu Connection for synchronization CH1 CH2 CH3 Figure 4 11 Connection of the instruments during synchronization Note a Refer to A 1378 PV Remote unit user manual for more information 4 4 7 Solar settings In Solar settings parameters of PV modules SOLAR SETTINGS and settings for PV measurements can be MODULE SETTINGS set
65. y and sound 4 1 1 Warnings PU SAFETY PROBE CONDITIONS 7 VOLTAGE 7 DC VOLTAGE Test can t be carried out Use Pl test lead A1385 The A 1384 PV Safety Probe should be used for the selected test Refer to chapter 4 4 8 Accessories for more information about use of A 1384 The conditions on measuring inputs do not allow continuing the test Check measuring connections The voltage conditions on measuring inputs do not allow continuing the test Check measuring connections External DC voltage of higher than 50 V is applied to the instrument Measurements are blocked The selected test cannot be carried out with the A 1384 PV Safety Probe Fused A 1385 test lead should be used for the test 4 1 2 Battery indication The battery indication indicates the charge condition of battery and connection of external charger I I 4 1 3 Messages Battery capacity indication Low battery Battery is too weak to guarantee correct result Replace or recharge the battery cells Charging in progress if power supply adapter is connected In the message field warnings and messages are displayed lt 2 CD eB Sz Measurement is running consider displayed warnings Instrument is overheated The measurement is prohibited until the temperature decreases under the allowed limit Result s can be stored Warning High voltage is applied to the test terminals Test leads resistance in Continuity
66. y pressing the MEM key optional tb a tee THER Figure 5 32 Example of measured results Displayed results for environmental parameters EE E solar irradiance Tamb or Tcell temperature of ambient or PV cells Note 46 MI 3109 EurotestPV Lite Measurements a If the Irradiance result is lower than the set minimal value Irr min the STC results will not be calculated message Waa is displayed Procedure for manual entering of environmental parameters If the data is measured with other measuring equipment they can be entered manually Select function and sub function using the function selector keys and Up Down keys Keys TEST Enters menu for manual setting of environmental parameters Enters menu for changing selected parameter Confirms set value of parameter Aly Selects environmental parameter Selects value of parameter Function Exits environmental menu and select PV measurement selector ESC Exits to main menu Exits menu for manual setting of environmental parameters Exits menu for changing selected parameter without changes MANUAL THER S1O00W mz2 Tcell 25 0 C ol Figure 5 33 Example of manually entered results Displayed results Irr Tamb or Tcell are the same as if measured Note a Environmental parameters are cleared when the instrument is switched Off a The environmental parameters menu is accessible in Single test and Autotest operating modes 5 5 1 Operation with A 1378 PV R

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