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PVCHECK

1. The parameters referred to 1 module which can be set are described below in Table 1 together with their measuring range resolution and validity condition Symbol Description Range Resol Conditions Nms Number of modules per string 1 50 1 P ax V mpp Pmax Maximum rated power of module 50 3200W 1W _ e es lt 0 01 a 15 00 99 99V 0 01V Voc Open circuit voltage 100 0 320 0V 0 1V Voc Vmpp 15 00 99 99V 0 01V Vmpp Voltage on maximum power point 100 0 320 0V 0 1V Voc gt Vmpp Isc Short circuit current 0 5 9 99A 0 01A Isc gt Impp Impp Current on maximum power point 0 5 9 99A 0 01A Isc gt Impp i i 0 25 0 0 1 Toll Negative tolerance for Pmax provided 100 Tol Pnom lt 25 by the module manufacturer 0 99W 1 itj i 0 25 0 1 Toll Positive tolerance for Pmax provided 100 Tol Pnom lt 25 by the module manufacturer 0 99W 1 cu 0 100 0 100 C 0 001 C Alpha Isc temperature coefficient 0 1 Alfa Isc lt 0 1 9 99 9 99mA C 0 01mA C DE 0 99 0 01 C 0 01 C Beta Voc temperature coefficient 100 Beta Voc lt 0 999 0 999 0 001V C 0 001V C Gamma Pmax temperature coefficient 0 99 0 01 C 0 01 C NOCT Rated working temperature of cell 0 100 C 1 C STD standard Tech Effects due to module technology CAP capacitive eff Rs Internal serial resistance 0 00 10 000 0 010 Tab
2. DC Clamp by using the arrow 15 05 12 15 34 26 Mb keys A W and confirm with ENTER 2 The display shows the item DC clamp K which allows setting the corrective factor in the following range 0 950 to 1 050 Set the desired values by means of the arrow keys lt 4 DP 3 Press the SAVE key to save the settings made the message Data saved will be displayed for a few seconds Press the ESC MENU key to exit without saving and go back to the previous screen EN 12 iw PVCHECK 5 2 EFF EFFICIENCY TEST SETTINGS FOR PV INSTALLATIONS The purpose of this measurement is to evaluate the DC efficiency of a photovoltaic installation with the possibility of obtaining a positive or negative result of the check recording depending on a limit on the nDC parameter freely set by the user For this test the use of the optional remote unit SOLAR 02 is necessary see 6 1 5 2 1 Instrument settings 1 Position the cursor onto EFF by using the arrow keys 15 05 12 15 34 26 4 and confirm with ENTER The display shows the Lee Ma values of the output electrical parameters of the pnom 3 500 kW photovoltaic generator Le Bene lt Pdc 0 0 kW Vdc 0 000 v Idc 0 0 A ndc a GO to Start Selection EFF 2 Press the ENTER key The instrument shows the 15 05 12 15 34 26 i following options System parameters and Instrument fie Wim settings Pnom 3 500 kW 3 Use the a
3. command using the arrow key V Confirm selection with ENTER By using the internal virtual keyboard it is possible to define again the name of the module or leave it unchanged by means of the arrow keys A V lt q P Press ENTER to digit any character of the desired name Press the SAVE key to save the name of the new module thus defined or to access the new parameter setting Change the value of the desired parameters by using the arrow keys A W and set the value using the arrow keys lt gt Keep the arrow keys lt gt pressed to carry out a quick setting of the values If the value of any parameter is unknown press and hold the HELP key for a few seconds to set the default values Press the SAVE key to save the settings made or the ESC MENU key to exit without saving In this case the instrument shows the message Data not saved 5 6 3 How to delete an existing PV module 1 2 A Select the PV module from the internal database by means of the arrow keys lt 1 P Press the ENTER key and select the Delete command by means of the arrow key W to delete the selected module Press the ENTER key and select the Delete all command by means of the arrow key W to delete all modules in the database Confirm the selection with ENTER or press ESC MENU to exit CAUTION PVCHECK 15 05 12 15 34 26 es Model 4 SUNPWR210 gt A Pm
4. sah WHT PVCHECK 6 4 3 Measuring insulation TIMER mode 1 Position the cursor onto MQ by using the arrow keys 15 05 12 15 34 26 4 and confirm with ENTER The display shows the i ns Test 1000 v screen to the side Ri min 2 14 0 MQ 2 Press the ENTER key activate Settings and possibly Mode g change the desired parameters see 5 4 The following Vtest V parameters are shown on the display Ri MQ gt Ins Test gt selected test voltage 250 500 Or rect time 10s 1000VDC gt Ri min gt minimum limit threshold for insulation MQ Vv measurement Mode gt measuring mode TIMER Vtest gt real applied test voltage Ri gt minimum insulation resistance between the Positive pole and the earthing detected during the whole duration of measurement gt Test time gt test duration which can be set within a range of 10 300s gt V key gt access to the second page with the measured values of VPN VEP and VEN voltages VV VV 3 Connect the instrument to the PV module string being tested and then to possible unearthed metal masses and to the main earth node of the system see Fig 11 In particular connect the positive output pole of the PV module string and the metal masses to terminal P CAPTION E Green cable P Red cable N Black cable 1 Unearthed PV module string 2 Main system earthing 3 Massa metallica non collegata a terraUnearthed metal
5. 5 0 199 9 0 1 o 200 999 1 4 0 rdg 2dgt DC Current STC Range A Resolution A Accuracy 0 10 10 00 0 01 4 0 rdg 2dgt Irradiance with HT304N reference cell Range mV Resolution mV Accuracy 1 40 0 0 02 1 0 rdg 0 1mV Range C Resolution C Temperature with probe type PT300N Accuracy 20 0 100 0 0 1 1 0 rdg 1 C 10 3 TECHNICAL SPECIFICATIONS FOR ELECTRICAL SAFETY Continuity of protective conductors LOWQ Range Q Resolution Q Accuracy 0 00 1 99 0 01 2 0 19 9 0 1 2 0 rdg 2dgt 20 199 1 Test current gt 200mA DC up to 50 cables included resolution 1mA accuracy 5 0 reading 5digits Open circuit voltage 4 lt Vo lt 10V Insulation resistance MQ Mode TIMER Test voltage V Range MQ Resolution MQ Accuracy 0 01 1 99 0 01 250 500 1000 2 0 19 9 0 1 5 0 rdg 5dgt 20 199 1 Open voltage Short circuit current Generated voltage Rated current measured lt 1 25 x nominal test voltage lt 15mA peak for each test voltage resolution 1V accuracy 5 0 reading Sdigits Rmis gt 0 5 FS gt 1mA with 1kQ Vnom Insulation resistance MQ Mode FIELD STRING Test voltage V Range MQ Resolution MQ Accuracy 250 500 1000 n SS A 20 0 rdg 5dgt For FIELD mode For STRING mode Open voltage Short circ
6. EN 45 sah WHT PVCHECK 6 5 MEASUREMENT OF CONTINUITY ON PV MODULES STRINGS FIELDS LOWQ 6 5 1 Foreword The purpose of this measurement is to test the continuity of protective conductors and equipotential ones e g from rod to earth and connected foreign earth and earth rods of SPDs on PV installations The test must be carried out using a test current gt 200mA according to the prescriptions of IEC EN62446 guideline 6 5 2 Calibration of measuring cables 1 Position the cursor onto LOWQ by using the arrow keys 15 05 12 15 34 26 4 and confirm with ENTER The display shows the aoe max UU screen to the side Rcal ei J6 Fig 13 Compensation of the measuring cables resistance Rpe nude es Connect the measuring cables as shown in Fig 13 Compensation of the measuring cables resistance Itest i MA 2 Selection o Blu Blue Azul Blau Bleu IRR A TEMP tao me INPUT MAX 10A 1000V CAT 1000V QO E Verde Green Vert Griin Fig 13 Compensation of the measuring cables resistance 2 Press the ENTER key The instrument shows the 15 05 12 15 34 26 ES following options Settings and Leads calibration Sipe wade gt i o 3 Use the arrow keys A W to select Leads calibration Rcal dee lu and confirm with ENTER 6 pe Q Itest mA Leads calibration Settings Selection LOWQ 4 Press GO STOP to start
7. PTION Green cable Blue cable Red cable Black cable PV module string Main system earthing Earthed metal the system structure in ce measurement CAUTION A on with the test Upon pressing the GO STOP key different error messages can be displayed by the instrument see 6 6 and therefore the test cannot be started Check and eliminate if possible the problem causing the error message before going 9 Press GO STOP to start the test Measuring for Isc values lt 10A 10 When Voc and Isc measurements are complete the message OK is shown in case the result of the test is positive measured values within the tolerances set on the instrument 11 With insulation measurement selected the instrument goes on with the test keeping terminals P and N short circuited and carrying out the test between this point and terminal E for the time necessary to obtain a steady value 12 The value of insulation resistance is shown in field Ri and the message OK appears in case the result of the test is positive measured value higher than the minimum limit value set on the instrument EN 31 In case no error conditions occur the instrument displays the message and the measure of open circuit voltage between the terminals P and N and of short circuit current 15 05 12 15 34 26 ae Module SUNPWR318 Vdc 548 0 V Irr 0 W m2 T Auto C
8. Unearthed PV field 2 Main system earthing Fig 10 Instrument connection for insulation measurement in FIELD mode CAUTION A on with the test Upon pressing the GO STOP key different error messages can be displayed by the instrument see 6 6 and therefore the test cannot be started Check and eliminate if possible the problem causing the error message before going In case no error conditions occur the instrument displays the message Measuring as shown in the screen to the side When measurement with a fixed duration of 10s is complete the instrument provides the values Ri and Ri respectively the insulation resistance of the Positive and Negative poles of the PV field being tested If both results are higher than the minimum limit set the instrument displays the message Outcome 0K otherwise it displays the message Outcome NO as shown in the screen to the side Press the SAVE key to store the test result in the instrument s memory see 7 2 or the ESC MENU key to exit the screen without saving and go back to the main measuring screen EN 40 15 05 12 15 34 26 Ss Ins Test 1000 V Ri min 1 0 MQ Mode Field Vtest 1043 1057 V Ri MQ Ri MQ Rp MQ Measuring Selection MQ vy 15 05 12 15 34 26 Bs Test Iso 1000 V Rlim 1 0 MQ Modo Campo Vtest 1043 1057 V Ri gt 100 MQ Ri gt 100 MQ Rp 69 MQ Outcome OK MQ y
9. as shown in the screen to the side Press the SAVE key to store the test result in the instrument s memory see 7 2 or the ESC MENU key to exit the screen without saving and go back to the main measuring screen EN 48 15 05 12 15 34 26 Ez RPE max 1 0 Q Real Q Rpe Q Itest mA Measuring Selection LOWQ 15 05 12 15 34 26 Rpe max 1 0 Q Rcal Q Rpe 0 23 Q Itest 210 mA Outcome OK Selection LOWQ NHT PVCHECK 6 5 3 1 Anomalous situations 1 In case the instrument detects a voltage higher than 5V at 15 05 12 15 34 26 its terminals E and C it does not carry out the test giveS ppe nay N out a long sound and displays the message Voltage gt Rcal o Sa O Lim Rpe Q ltest ia mA Voltage gt Lim Selection LOWQ 2 In case the instrument detects that the calibrated 15 05 12 15 34 26 resistance is higher that the measured resistance the max ia instrument gives out a long sound and displays the rcal p ess O message Calibration not OK Rpe Q Itest mA Calibration not OK Selection LOWQ 3 In case the instrument detects a resistance higher than 15 05 12 15 34 26 5Q at its terminals it gives out a long sound zeroes the kpe max i di compensated value and displays the message Rcal 0 00 Q Calibration reset pe si se O Itest Bi Se mA Calibration reset Selec
10. 4 9 AN Switch on the clamp check the LED indicating the status of the clamp s In order to guarantee the operator s safety disable the system being measured by means of the switches breakers upstream and downstream of the DC AC converter inverter Bring PVCHECK and SOLAR 02 nearer maximum distance of 1m between them All instruments must be switched on see the User Manual of SOLAR 2 for further details On PVCHECK press the MENU key select the function EFF and press ENTER wait for the two units to start communicating with each other This condition is highlighted by the contemporary presence of the following indicators gt Symbol steady not flashing on the display of PVCHECK gt Symbol steady not flashing on the display of SOLAR 02 Connect the inputs P and N respectively to the positive and negative output of the string respecting the colours indicated in Fig 4 Connect the output connector of the DC clamp to the IDC input CAUTION BEFORE CONNECTING THE DC CLAMP TO THE CONDUCTORS internal batteries if present select the correct range press the ZERO key on the DC clamp and check on the display of PVCHECK the actual zeroing of the corresponding Idc value values up to 0 02A are acceptable Connect the DC current clamp to the positive output conductor of the string respecting the direction of the arrow found on the clamp itself as indicated in 10 Fig 4 Connection of instrume
11. Press the SAVE key again to confirm data saving or ESC MENU to exit without saving EN 52 WHT PVCHECK 7 3 OPERATIONS WITH RESULTS 7 3 1 Recalling on the display the PV efficiency results 1 Press the ESC MENU key to go back to the main menu select MEM and confirm with ENTER to access the section where saved values are displayed The screen to the side is shown by the instrument and contains the saved tests Using the arrow keys 4 W and the arrow key select Recall then Efficiency and confirm with ENTER to display the results of test only Using the arrow key it is possible to display the following labels gt TYPE gt indicates the type of data saved REC for a check with a precise final result YES NO REC when the instrument does not have the irradiance and temperature values recorded by SOLAR 02 and IST for saving the instant conditions on the display gt DATE gt indicates the date and time in which the datum has been saved in the instrument gt DESCRIPTION indicates the description provided by the user when saving the datum Select the type of SMP datum the item Open and confirm with ENTER The instrument shows the following screen 15 05 12 15 34 26 Bs MEM TYPE 002 REC 13 05 2012 003 REC 14 05 2012 gt MEM EFF 5 Select the type of REC datum the item Open and 15 05 12 15 35 00 confirm with E
12. Voc lsc Ri 1000V MQ Rpe Cal Q Measuring Selection IVCK 15 05 12 15 34 26 Module SUNPWR318 Vdc 548 0 V Irr 0 W m2 Tc Auto C Voc lsc OK Ri 1000V 116 MQ OK Rpe Cal Q Measuring Selection IVCK PVCHECK 13 With continuity measurement selected the instrument15 05 12 15 34 26 goes on by opening the short circuit and carrying out the M du e Ri a Vdc 548 0 V test between terminals E and C irr 0 W m2 14 The value of resistance in the continuity test is shown in Tc Auto C field Rpe and the message OK appears in case thelvoc isc OK result of the test is positive measured value lower than __ the maximum limit value set on the instrument ae PEE ee 15 The message Outcome OK is finally shown by the Rpe cal 2 00 Q OK instrument in case the result of all performed tests is positive Outcome OK v IVCK 16 Press the arrow key W to show the following page in 15 05 12 15 34 26 es which the values of parameters Voc and Isc are shown Module or R It shows re VALLESE oi i OCAV gt The module being used IscAvg OPC 5 43A gt The average values of Voc and Isc under OPC Voc OPC 647V OK conditions sc OPC 5 35A OK Voc STC V gt The values of Voc and Isc measured under OPC and Isc STC A the relevant partial results obtained by comparison with the average values In general Outcome OK A IVCK VOCAV2 a oxo VOL apc Esito Voceope OK se 100x lt Tol Voc
13. confirm again with ENTER Set the instrument as indicated in 5 5 1 7 If necessary press the ENTER key select Average Reset and confirm again with ENTER Carry out this operation as indicated in 6 3 4 8 If necessary press the ENTER key select Cable calibration and confirm again with ENTER Carry out this operation as indicated in 6 5 2 9 Mount the rod onto the disc of the optional accessory M304 and keep it in touch with the module s surface Make sure that the shadow cast by the rod onto the disc falls within the limit internal circle on the disc itself see Fig 7 If this is not the case the incidence angle between the sun rays and the module surface is too high and therefore the measurements carried out by the instrument CANNOT be considered reliable Repeat the same operations at another daytime 10 Fasten the bracket to the module by using the supplied set of screws and mount the reference cell on it if possible with output terminals facing downwards Rotate the EN 33 Na WHT PVCHECK cell until it rests on the tang found on the bracket so that the cell is perfectly parallel to the surface of the module then fix it with the relevant screws provided M304 Inclinometer Incorrect limit angle Incidence M304 Inclinometer sun rays Correct limit angle Fig 7 Positioning the inclinometer M304 11 Connect the output of the cell corresponding to the type of module being tested to t
14. detected according with previous relationships EN 62 INVHT PVCHECK 12 SERVICE 12 1 WARRANTY CONDITIONS This instrument is warranted against any material or manufacturing defect in compliance with the general sales conditions During the warranty period defective parts may be replaced However the manufacturer reserves the right to repair or replace the product Should the instrument be returned to the After sales Service or to a Dealer transport will be at the Customer s charge However shipment will be agreed in advance A report will always be enclosed to a shipment stating the reasons for the product s return Only use original packaging for shipment any damage due to the use of non original packaging material will be charged to the Customer The manufacturer declines any responsibility for injury to people or damage to property The warranty shall not apply in the following cases e Repair and or replacement of accessories and battery not covered by warranty e Repairs that may become necessary as a consequence of an incorrect use of the instrument or due to its use together with non compatible appliances e Repairs that may become necessary as a consequence of improper packaging e Repairs which may become necessary as a consequence of interventions performed by unauthorized personnel e Modifications to the instrument performed without the manufacturer s explicit authorization e Use not provi
15. eae tae 6 3 4 and Leads calibration see 6 5 2 Irr 0 W m2 3 Use the arrow keys A W to select Settings and 1 Auto C confirm with ENTER The instrument shows the following Voc sc screen Ri 1000V MQ Rpe Cal Q Leads calibration Reset Averages electio IVCK 4 Use the arrow keys A W for option setting and select 15 05 12 15 34 26 the desired option by means of the arrow keys lt 4 P Mod Nx Str 01 The following parameters can be set Temp Manual 25 C gt Module type of module being tested Tol Voc 05 4 gt Mod N x Str gt number of modules in the string Tol Isc 05 4 Allowable values 1 50 bai N 7 i Ri min 1 0 MQ gt Temp temperature measuring method Possible Rpe Test 2 G options Auto gt automatic measurement recommended SAVE to store carried out according to the measured value of the MITE EN 18 iw PVCHECK modules Voc Manual gt setting made by the operator of the known temperature value of the module in the line below Aux temperature measurement with auxiliary probe PT1000 gt Tol Voc gt percentage value of the desired limit tolerance set by the operator according to his her own requirements for the measurement of Voc carried out by the instrument Allowable values 0 25 The value between brackets 4 indicates the reading error of the instrument in Voc meas
16. the remote unit SOLAR 02 The flashing symbol W indicates that the instrument is currently searching for a radio connection with the remote unit SOLAR 02 ta 4 4 INITIAL SCREEN When switching on the instrument the initial screen appears for a few seconds It shows e The instrument model PVCHECK PVCHECK e The manufacturers name HT e The presence of the enabled internal module for RF connection RF SN 12345678 e The serial number SN of the instrument FW 1 02 e The firmware version FW in the instrument s memory Calibration date e The date of the last instrument calibration Calibration 09 11 2012 date After a few seconds the instrument switches to the last function selected EN 8 PVCHECK 5 GENERAL MENU Pressing the ESC MENU key in any condition of the instrument displays the general menu screen in which the instrument may be set the saved measures can be displayed and the desired measuring function may be selected Use the cursor to select one of the options and confirm with ENTER to access the desired function 5 1 SET INSTRUMENT SETTINGS Position the cursor onto SET by using the arrow keys A V and confirm with ENTER The display shows the screen which lists the different settings of the instrument Settings will be maintained also after switching off the instrument 5 1 1 General 1 Position the cursor onto General by using the arrow keys A Y and confirm
17. the side e g for marker Plant EN 51 15 05 12 15 34 26 e Irr 712 W m2 Pnom 3 500 kW Tc 45 C Te 30 C Pdc 3 125 kW KEYBOARD P V D AN ABCDEFGHEUIKLMNOP QRSTUVWXYZ 0123 456789 SPACE DEL SAVING IVCK MQ AND LOWO MEASURED RESULTS 15 05 12 15 34 26 MEASURE 004 Plant lt VIE gt String1 Module 001 Comment WEL LEi OE SAVE Inverter Es Area 004 Buildin 4002 001 ant 001 Comment Modification SAVE Solar Power PVPlant factory 004 HT instruments RERIZO 001 Installation 001 Inverter Area Buildin Field Plant NHT PVCHECK CAUTION e The default names of markers Plant String and Module may be preliminarly customized by the user by means of the TopView software A and loaded onto the instrument by means of a PC connection see the on line help of the TopView software e Itis possible to add up to 5 custom names for each marker further to the 5 provided as default values e The namesofthe default markers cannot be eliminated Deletion of custom names can only occur through the TopView software 5 Use the arrow keys 4 W and gt with the virtual 15 05 12 15 34 26 keyboard to add a short description max 13 chars in the MEASURE TE Comment field Press ENTER to digit any character of Strin the desired name Module1 001 6
18. 3 4 1 Anomalous situations when performing IVCK tests 1 In case the instrument detects a voltage higher than 15 05 12 15 34 26 ire 1000V at terminals P N P E and N E it does not carry et i Ag iena out the test gives out a long sound and displays the irr 0 W m2 message Vin gt 1000 To Auto C Voc lsc Ri 1000V Fog MQ Rpe Cal Q Vin gt 1000 Selection IVCK 2 In case the instrument detects a voltage lower than 15V 15 05 12_ 15 34 26 pros at terminals P and N it does not carry out the test gives Module ae out a long sound and displays the message LOw irr 0 W m2 voltage Te Auto C Voc lsc Ri 1000V MQ Rpe Cal Q EAE Selection IVCK 3 In case the instrument detects a voltage higher than gt 5V 15 05 12 15 34 26 a at terminals E and C it does not carry out the test gives Module o out a long sound and displays the message Voltage gt irr 0 W m2 Lim Tc Auto C Voc lsc Ri 1000V e MQ Rpe Cal alt Q Voltage gt Limit Selection IVCK 4 In case the instrument detects an Isc current higher than 15 05 12 15 34 26 E 10A it does not carry out the test gives out a long sound M99 e a and displays the message Isc current too high Irr 0 W m2 Tc Auto C Voc lsc Ri 1000V si MQ Rpe Cal se gia Q Isc current too high Selection IVCK EN 38 sah WHT PVCHECK 6 4 MEASUREMENT OF INSUL
19. 4 VocAvg orc IscAvg opc ISC opc Esito IsCaopc OK se 100x lt Tol Isc 4 IscAvg opc gt The overall value of the results o OK if all results under OPC are OK o NO if one of the results under OPC is NO 17 Press the A key to go back to the previous screen 18 Press the SAVE key to store the test result in the instrument s memory see 7 2 or the ESC MENU key to exit the screen without saving and go back to the main measuring screen A CAUTION The average values of Voc and Isc are displayed in the results page These values include the average values of Voc and Isc under OPC conditions calculated as mean of the last 10 tests previously saved If the user has carried out and saved a number of tests lt 10 or reset the average values see 6 3 4 the average value displayed during test N 1 will be calculated on the available N values EN 32 NHT PVCHECK 6 3 3 i out an IVCK ca test and AUTION irradiance e The maximum voltage between inputs P N E and C is 1000VDC Do not measure voltages exceeding the limits given in this manual N e Do not perform test on PV modules or strings connected to the DC AC converter e The maximum current which can be measured by the instrument is 10A Before carrying out the measures of IVCK and Insulation in STRING mode always ensure that the instrument is connected to ONE STRING and not more strings in parallel to avoid pos
20. 7V Isc O 5 35A Vo STG ao OK Isc STC 72A OK TETTE Selection IVCK 15 05 12 15 34 26 Ins Test 1000 V Ri min 1 0 MQ Mode Field Vtest 1065 1064 V Ri gt 100 MQ Ri gt 100 MQ Rp 72 MQ Outcome OK Selection MQ v 15 05 12 15 34 26 BS Ins Test 1000 V Ri min 1 0 MQ Mode Timer Vtest 1020 V Ri min gt 200 MQ Test time 10s Oucome OK Selection MQ y PVCHECK 6 For MQ test in STRING mode there are the values of the 15 05 12 15 34 26 following parameters las t st inane N gt Set rated test voltage Ri min 1 0 MQ gt Minimum threshold set on insulation measurement Mode String gt The type of mode selected Vtest 1020 V gt The real value of the applied test voltage Rp gt 200 MQ gt The Rp final value of the measurement obtained by the parallel of Ri e Ri values which is compared with the Ri min limit by the instrument Outcome OK Selection MQ 7 For LOWQ test there are the values of the following 15 05 12 15 34 26 O parameters RPE max 10 Q gt Limit threshold set for continuity measurement Real dee Wa gt Value of calibration resistance of test cables Rpe Lise o gt The value of resistance of the object being tested gt The real value of the applied test current Itest jelas MA Outcome OK Selection LOWQ 7 3 3 Deleting data from the memory 1 Within the list of saved results press ENTER to display 15 05 12 15 34 26 name the submenus
21. 825 1 1994 A1 2002 A2 2001 5 10 30 60 120 300 600 900 1800 3600s approx 1 5 hours PI 5s approx 8 days PI 600s 6x1 5V alkaline type AA LR06 MN1500 the display shows symbol i approx 120 hours PV efficiency after 5 minutes 235 x 165 x 75mm 1 2kg 10 6 ENVIRONMENTAL CONDITIONS FOR USE Reference temperature Operating temperature Allowable relative humidity Storage temperature Storage humidity Max operating altitude 23 5 C 0 40T lt 80 HR 10 60 C lt 80 HR 2000m This instrument satisfies the requirements of Low Voltage Directive 2006 95 EC LVD and of EMC Directive 2004 108 EC 10 7 ACCESSORIES See the attached packing list EN 61 INVHT PVCHECK 11 APPENDIX THEORETICAL OUTLINE 11 1 EFFICIENCY TEST ON PV INSTALLATIONS According to the requirements of the laws in force DC efficiency test on a PV installation depends on the type of correction used to compensate the effects of the module s temperature and on the mathematical relationship used to calculate the nDC parameter see 5 2 3 Coit Teal valiia Mathematical relationship for nDC Standar Result calculation d Tmod ce Measured module temp 1 se Tcel lt 40 C value Rfv2 v2 DJ 1 Tcel 40 x se Tcel gt 40 C 100 Italian Tcel Calculated module temp hence guideline Tend value P CEI OK NO G dc E
22. ATION ON PV MODULES STRINGS FIELDS MQ 6 4 1 Foreword The purpose of this function is to measure the insulation resistance of the active conductors of a module string of a whole PV field and of possible unearthed metal masses according to the prescriptions IEC EN62446 guideline In general the instrument measures insulation in the following modes gt FIELD mode gt used for measuring insulation resistance of a PV field photovoltaic generator consisting in one or more strings connected in parallel The instrument performs the measurement on the Positive and Negative poles of the PV field gt TIMER mode gt the instrument measures continuously with a max duration of 300s on terminal P only displaying the minimum resistance value obtained at the end of the selected time It may be used for measuring the insulation resistance of more unearthed metal masses gt STRING mode used for measuring insulation only on single PV modules or strings automatically creating an internal short circuit between the Positive and Negative poles with no need to use an external switch to short circuit the positive and negative terminals and measuring between this short circuit point and the installation earthing 6 4 2 Measuring insulation FIELD mode 1 Position the cursor onto MQ by using the arrow keys 15 05 12 15 34 26 4 and confirm with ENTER The display shows the lins Test 1000 v screen to the side Ri min
23. CE PV CHELK FULL PV TESTER PVCHECK EM User manual Copyright HT ITALIA 2012 Release EN 1 00 27 11 2012 HT PVCHECK Table of contents 1 PRECAUTIONS AND SAFETY MEASURES ii 3 1 1 PIemMmnarnyINsifuclioiS dales 3 te Dundee 4 WSs Aner USE Ra a i 4 1 4 Definition of measurement overvoltage Category 4 2 GENERAL DESCRIPTION seceisccnncsninsnsiesuiinctiincainaidainndannntitiodndmilvnstaisiedanntaibcatiinnnaewnnnaiicmntmicnsainnds 5 2 1 IN TOGUCION sie a R a i 5 2 2 Instrumentfunctions s aviaria aa 5 3 PREPARATION FOR USE a ili 6 Sd Aital eNeCkS eme e 6 3 2 Instrument power supply cases ctsctecsar tess elena 6 d Label ia 6 di Selleria 6 4 NOMENGLATURE liceali 7 4 1 Instrument description saidesnesasaniencendeceesadseconnaceveaceeias pescuieadusandeniddvntouaceesnresscsateetsbeceientene 7 4 2 Keyboard descriptio 8 43 Display descripto a2 aa liceale 8 4A Mial Scree e aa a a na 8 GN IE gl 9 5 1 SET 1MStUMGNtSelngS liclea aaa 9 5 1 1 Generali ia A ia a aac eens 9 5 1 2 Measuring units iaia a lella 10 5 1 3 DEIET Milna AE T nia 10 5 1 4 Remote UnitPyrafometer i i ii ara 11 5 1 5 lrradianit E eserine serian lei RITA RR 12 5 1 6 DG Clamp nerina E 12 5 2 EFF Efficiency test settings for PV installations n 13 5 2 1 Instrument settingsiziii nai a aaa ee Raa oi 13 5 2 2 System Parameters nori ia ede Les eee elie 14 5 2 3 Selection of th
24. MEM TYPE 2 Select Delete then press gt The instrument allows selecting the following items gt Delete Last gt deletes the last saved test gt Delete All gt deletes the whole memory content Use the arrow keys A W to select the desired option then press the ENTER key to confirm selection Press ESC MENU to exit the screen and go back to the main menu EN 56 001 SMP 08 04 2012 002 REC 13 04 2012 Delete Last DANIM Delete All Selection MEM EFF iw PVCHECK 8 CONNECTING THE INSTRUMENT TO THE PC CAUTION The connection between instrument and PC is realized by means of cable C2006 In order to transfer the data onto a PC it is necessary to install beforehand both the management software Topview and the drivers of cable C2006 on the PC itself Before connecting it is necessary to select the port to be used and the correct baud rate 57600 bps on the PC To set these parameters launch the TopView software provided and refer to the programme s on line help The selected port must not be engaged by other devices or applications e g a mouse a modem etc Close any applications running using the Microsoft Windows Task Manager function The optical port emits invisible LED radiations Do not directly observe with optical instruments Class 1M LED apparatus according to standard IEC EN 60825 1 To transfer data to the PC follow this procedure 1 Switch on the instrume
25. NTER The instrument shows the screen 712 W m2 containing the final results Pnom 3 500 kW Selecting the REC datum type the item View and a a confirming with ENTER the message Unable to perform Pdc 3 125 kW analysis is displayed due to the irradiance temperature V 8 ci gt values recorded by SOLAR 02 missing The partial ndc 0 88 values of this measurement are only visible after i downloading the data onto the PC see 8 using E TopView EN 53 PVCHECK 7 3 2 Recalling on the display the results of IVCK MQ and LOWQ measurements 1 Press the ESC MENU key to go back to the main menu select MEM and confirm with ENTER to access the section where saved values are displayed The screen to the side is shown by the instrument and contains the saved tests Using the arrow keys 4 W and the arrow key P select Recall then IVCK and confirm with ENTER to display the results of the I V curve only The field DATE indicates the date time in which the result of measurement has been saved the field TYPE indicates the type of test carried out LOW MQ IVCK Use the arrow key gt to go to the Comments label The instrument will display the comment inserted by the operator during the saving procedure see 7 2 as regards the system The symbol next to the measurement number indicates that the instrument has performed the tests with recordi
26. Teel Tamb NOCT 20 x nDC G sai DE xx P Gsrc nDC Tcel Measured module temp DC Gsro cla Dv x 7 i 25 ye Fae ai LE value G 100 P where Symbol Description e G Irradiance measured on PV module surface W m Gsrc Standard Irradiance 1000 W m Rated Power sum of all Pmax values of the section of the PV plant bein F measured i kw P DC power measured at the PV generator s output kw Rfv2 Correction factor depending on the Temperature of PV Cells Tcel measured or calculated according to the type of selected correction relationship Absolute value of the thermal coefficient of Pmax of the PV modules included in the c i plant section being measured NOCT Normal Operating Cell Temperature Temperature the cells under reference C conditions are brought to 800W m 20 C AM 1 5 air speed 1m s The previous relationships are valid if Irradiance gt Min Irradiance see the User Manual of the MASTER instrument and the irradiance values are steady i e for each sample taken with IP lt 1min the difference between the maximum and minimum irradiance values measured must be lt 20W m The final OUTCOME can be gt Non displayable if the obtained values are inconsistent e g nDC gt 1 15 or if irradiation has never reached a steady value gt minimum threshold set gt The maximum performance of the system The highest performance maximum value of nDC is
27. The instrument Pdc 0 0 kW shows the following screen Li e ndc 5 By using the arrow keys lt q P it is possible to set gt Pmax gt maximum total rated power of PV installation expressed in kW gt Range gt coefficient of power variation with temperature characteristic parameter of PV modules range 1 00 0 01 C gt NOCT rated operating temperature of the cell characteristic parameter of PV modules typically in the following range 42 48 C gt Te Tc gt setting of default values of environmental and Te and PV module Tc temperatures These values are taken into consideration by the instrument only when no auxiliary probe is connected to the remote unit SOLAR 02 range Te 0 C 80 C Tc 0 C 100 C gt nDC Lim gt minimum limit of DC efficiency default value 0 85 range 0 01 1 15 gt Corr Type gt Setting of the compensation relationship on the calculation of Pdc power and the maximization of DC efficiency see 5 2 3 EN 14 ters System parame Instrument settings Selection EFF 15 05 12 15 34 26 ess MUERE 4 3 500 gt kW 0 45 Gamma C NOCT 45 C Te 40 C Tc 45 C nDC Lim 0 85 Corr Type T Env SAVE to Store EFF 5 2 3 Selection of the compensation relationship of temperature effects This option allows selecting the relationship to be used to correct the measurements performed according to the modules temperature as r
28. V field to terminal P CAPTION E Green cable P Redcable N Black cable 1 Unearthed PV module string 2 Main system earthing Fig 12 Instrument connection for insulation measurement in STRING mode CAUTION Upon pressing the GO STOP key different error messages can be displayed by the instrument see 6 6 and therefore the test cannot be started Check and eliminate if possible the problem causing the error message before going on with the test EN 43 NHT PVCHECK 4 Press GO STOP to start the test In case no error 15 05 12 15 34 26 conditions occur the instrument displays the Messaggi Test 1000 V Measuring as shown in the screen to the side Ri min e 1 0 MQ Mode Stringa Vtest 1020 V Rp MQ MQ 5 When measurement is complete the instrument provides 15 05 12 15 34 26 Es the Ri value i e the minimum value of insulation ines ese dd V resistance of the PV module string or of other objects Ri min i 1 0 MQ being tested continuously measured during the whole Mode Stringa duration of measurement If the result is higher than the vtest 1020 V minimum limit set the instrument displays the message pp Outcome OK otherwise it displays the message Outcome NO as shown in the screen to the side 6 Press the SAVE key to store the test result in the Outcome OK instrument s memory see 7 2 or the ESC MENU to exit the scree
29. a virtual keyboard Use the arrow keys 4 W and gt to add a short description max 13 chars relevant to the test performed Press the SAVE key again to confirm data saving or ESC MENU to exit without saving Press the SAVE key with a measured result shown on the display The instrument shows the screen to the side containing the following items gt The first memory location available MEASURE gt The numerical marker Plant1 gt The numerical marker String1 gt The numerical marker Module1 gt The field Comment in which the operator can include a short description max 13 char for the system For each of the 3 markers Plant String and Module it is possible to assign custom labels except if already permanently assigned to another marker the message Label already assigned is shown on the display in that case Select one of the three items using the arrow keys lt gt and press the ENTER key The screen to the side e g relevant to item Plant is shown by the instrument Select one of the 5 items available for markers using the arrow keys A W and confirm with ENTER Custom names chosen by the operator can be added to the default names of the markers Plant String and Module before measurements are carried out In this case the new values may be selected as an alternative to the default ones as shown in the screen to
30. al structure in the system 4 Reference cell for irradiance measurement 5 Temperature sensor if required 6 Unita remota SOLAR 02Remote unit SOLAR 02 Fig 9 Connection for IVCK test with irradiance measurement through SOLAR 02 14 In the initial screen of IVCK mode the following values 15 05 12 15 34 26 Es are displayed in real time oo A le gt Module gt type of module being tested Irr 856 W m2 gt Vdc gt value of output voltage from module string Te Auto C gt irr gt irradiance from a direct measurement or Voc Isc SOLAR 02 connected via RF Ri 1000V na gt Tc gt modulo temperature in MAN or AUX mode and the relevant measuring mode or in AUTO mode FPe Cal o gt In case the symbol M of RF connection with SOLAR 02 Selezione IVCK 2 CAUTION on with the test Upon pressing the GO STOP key different error messages can be displayed by the instrument see 6 6 and therefore the test cannot be started Check and eliminate if possible the problem causing the error message before going 15 Press GO STOP to start the test In case no error conditions occur the instrument displays the message Measuring and the measure of open circuit voltage between the terminals P and N and of short circuit current for Isc values lt 10A EN 35 15 05 12 15 34 26 Module SUNPWR318 Vdc 548 0 V Irr 856 W m2 Tc Auto C Voc l
31. any time it will be possible to analyze the current 15 05 12 15 35 00 recording status by pressing the MENU key The following start 15 05 12 15 30 00 information will be shown Period 5s gt Starting date and time of recording ee Lu gt The value set for the integration period IP gt The number of periods elapsed from the beginning of the recording gt The remaining memory capacity for recording Recording running Press the ESC key to exit the screen 17 Now it is possible to bring the unit SOLAR 02 near the PV strings to measure irradiation and temperature by means of the relevant probes When the distance between the unit SOLAR 02 and PVCHECK does not allow a RF connection on the display of SOLAR 02 the symbol W flashes for approx 30s and then disappears while PVCHECK continues searching for the connection for approx 1 minute 18 Position the reference cell onto the surface of the PV modules Please refer to the relevant User Manual for a correct assembly 19 Put the temperature sensor in contact with the rear side of the module and fasten it with some tape avoid touching it with your fingers in order not to alter the measurement result 20 Wait for a few seconds to allow the probes to reach a steady measure and then connect the irradiation probe to input PYRA CELL and the temperature probe to input TEMP of unit SOLAR 02 21 Wait for the message READY to appear on the display of SOLAR 02 to indic
32. ate that the unit has detected the data with solar irradiation gt minimum threshold set see 5 1 5 22 With the message READY shown on the display wait for approximately 1 minute in order to take a certain number of samples 23 Disconnect the irradiation and temperature probes from unit SOLAR 02 and bring the unit near PVCHECK max distance 1m 24 The main unit PVCHECK must be in EFF mode If there is no flashing symbol AW press key A to activate the RF connection search again 25 Press key W on SOLAR 02 to activate the RF connection again Consequently the main unit will show the message active radio connection 26 To stop testing press the GO STOP key on the instrument and confirm with ENTER that you want to stop recording 27 The display of the unit SOLAR 02 will display the message SEND to indicate that the data will be transferred to the main unit EN 25 HT PVCHECK 28 After the automatic data transfer phase the instrument will 15 05 12 15 35 00 xi display l 712 W m2 gt Do not show any results if do not exist on the PV Bei 3 500 kW installation a stable irradiance condition more than Ic 45 C Hi so Te 30 SG the minimum irradiance threshold Pdc 3 125 kW gt Display the best performance values if during the Wfc 389 V a 7 Idc 8 01 A recording the Irradiance values reached the stable ndc 0 88 condition and its values were higher than the minimum irra
33. ax 210 W Voc 47 70 V Vmpp 40 00 V Isc 5 75 A New Modify Delete Delete all DB 15 05 12 15 34 26 Model 4 SUNPWR210 gt A Pmax 185 W Voc 44 5 V KEYBOARD VER Q IJKLMN YZ 1 ACE DE lt c mO wq UNP BCD O RST 2 567 L AOD FGH Vv WX 9 SP SAVE ESC 15 05 12 15 34 26 z Model SUNPWR 210 47 70 40 00 5 75 5 25 5 3 Ko D lt gt O O v x gt gt lt lt k Impp Toll v n O HH HH DB 15 05 12 15 34 26 a Model SUNPWR210 gt A Pmax Voc Vmpp sc New Modify Delete Delete all Hun AR no sele NON nooo gt lt lt Z DB factory setting It is not possible to modify nor delete the DEFAULT PV module which is a EN 22 sah WHT PVCHECK 6 OPERATING INSTRUCTIONS 6 1 MEASURING EFFICIENCY PV PLANTS BY USING REMOTE UNIT SOLAR 02 For the sake of simplicity further in this section the word string will be used although often the term photovoltaic field would be more correct From the point of view of the instrument the management of a single string or of more parallel strings PV field is identical The instrument PVCHECK Master allows measuring the efficiency of PV installations in combination with the optional remote unit SOLAR 02 which the irradiance and temperature probes are connected to This remote unit is capable of communicating with the Ma
34. calibration The message 15 05 12 15 34 26 Pam Measuring is shown on the display Smee 5 At the end of the compensation procedure in case the Rcal i ase Q measured value of resistance is lower than 5Q the Rpe wae instrument gives out a double sound to signal the positive result of the test The following screen appears on the test display mA Measuring Selection LOWO EN 46 INVHT PVCHECK 6 The value of compensated resistance of the cables which 15 05 12 15 34 26 will be subtracted from all subsequent continuity ppe max ca g measures is shown next to Rcal and the message Rcal 0 02 Q Calibration OK appears on the display 7 To delete the value of compensated resistance carry out a a 7 7 new compensation procedure with a resistance higher than test mA 5Q such as for example with open leads The value in Real is zeroed on the display Calibration OK Selection LOWQ 6 5 3 Measuring continuity 1 Position the cursor onto LOWQ by using the arrow keys 15 05 12 15 34 26 EE A Y and confirm with ENTER The display shows the ppe max ib screen to the side Rcal fe lu 2 Press the ENTER key activate Settings and possibly Rpe _ A change the desired parameters see 5 3 1 The following parameters are shown on the display eed mA gt RPE max gt maximum threshold for continuity measurement which can be selected in a ran
35. ccess to memory area Remote unit undetected The instrument does not detect any remote unit SOLAR 02 Unable to perform analysis Problems with the data downloaded from SOLAR 02 Check settings Data unavailable Generic error Repeat the test Negative voltage Check the polarity of the instrument s input terminals Low voltage Check the voltage between input terminals P and N Vin gt 1000 Voltage between input terminals gt 1000V Wrong no of modules Continue Set no of modules inconsistent with measured Voc Ref cell temp exceeding limits Temperature measured by reference cell too high Cell temp undetected ENTER ESC Measurement not carried out on module cell Low battery Low battery charge Insert new batteries Please wait for cooling Instrument overheated Wait before resuming the test Irradiance too low Irradiance value lower than the minimum threshold set NTC Error Internal NTC efficiency jeopardized Contact service department Isc current too high Measured Isc current gt 10A Current lt Lim Current between P and N lower than the minimum detectable value EEPROM error contact service Internal instrument error FRAM error contact service Internal instrument error RTC Error contact service Internal instrument error RADIO error contact service Internal instrument error FLASH error conta
36. ce cell Immediate evaluation OK NO of test results Possible connection with the optional remote unit SOLAR 02 Internal customizable database for managing up to 30 PV modules Display of results in OPC and STC conditions The instrument is provided with backlit display internal contrast adjustment and a HELP key able to give a valid help to the operator while connecting the instrument to the installation An Auto Power OFF function which can also be deactivated is available after approx 5 minutes idleness EN 5 sah WHT PVCHECK 3 PREPARATION FOR USE 3 1 INITIAL CHECKS Before shipping the instrument has been checked from an electric as well as mechanical point of view All possible precautions have been taken so that the instrument is delivered undamaged However we recommend checking it to detect any damage possibly suffered during transport In case anomalies are found immediately contact the Dealer We also recommend checking that the packaging contains all components indicated in 10 7 In case of discrepancy please contact the Dealer In case the instrument should be returned please follow the instructions given in 12 3 2 INSTRUMENT POWER SUPPLY The instrument is battery supplied For battery type and life see 10 5 The symbol W indicates a full charge level of the internal batteries When battery charge decreases to a minimum level the symbol L___ appears on the display In this case
37. ct service Internal instrument error IO EXP error contact service Internal instrument error Voltage gt limit Voltage between terminals E and C gt 10V Label already assigned Change the numeric reference of the marker associated with the measur Isc current lt Lim Isc current lower than the minimum detectable value Contact service department CAUTION internal short circuit Contact service department CAUTION blown fuse Contact service department Calibration not OK Rcal gt measured R terminals Reset calibration Press ENTER Resistance value of input cables gt 20 Calibrated resistance value gt measured resistance Error Isc offset measurement Internal instrument error Calibrated resistance value gt measured resistance CAUTION AC voltage at P N Presence of AC input voltage Wait for condenser discharge Wait for discharge of tested object after insulation EN 50 PVCHECK 7 STORING DATA The instrument allows saving max 999 measured values The saved data can be recalled at display and deleted at any moment and can be associated to reference numerical markers relevant to the installation name the PV string and the PV module max 250 markers 7 1 1 7 2 1 SAVING EFFICIENCY MEASURES Press the SAVE key with a measured result shown on the display The instrument shows the screen to the side containing
38. d Alpha of the reference irradiance cell supplied with the instrument The values of these parameters which are printed on the back label of the cell depend on the type of PV module being tested 1 Position the cursor onto Remote Unit Pyranometer by 15 05 12 15 34 26 I using the arrow keys A V and confirm with ENTER 2 The display shows the screen which allows selecting the use of the remote unit for EFF or IVCK tests Possible Remote Unit IVCK NO options are Sens 431 0 gt mV kW m2 gt YES use of SOLAR 02 Alpha 0 060 C gt NO no use of SOLAR 02 In case the remote unit SOLAR 02 is not used for IVCK tests it is necessary to set the values of Sensitivity Sens and Alpha parameter of the supplied irradiance cell on the instrument 3 Set the desired values by means of the keys lt q P SET 4 Press the SAVE key to save the settings made the message Data saved will be displayed for a few seconds Press the ESC MENU key to exit without saving and go back to the previous screen Remote Unit EFF YES EN 11 NHT PVCHECK 5 1 5 Irradiance This section allows setting the minimum irradiance threshold both for IVCK measurement and for efficiency test on a PV installation 1 Position the cursor onto Irradiance by using the arrow 15 05 12 15 34 26 Mb keys A W and confirm with ENTER 2 The display shows the screen containing Min Irr IVCK which allows settin
39. ded for in the instrument s specifications or in the instruction manual The content of this manual cannot be reproduced in any form without the manufacturer s authorization Our products are patented and our trademarks are registered The manufacturer reserves the right to make changes in the specifications and prices if this is due to improvements in technology 12 2 SERVICE If the instrument does not operate properly before contacting the After sales Service please check the conditions of battery and cables and replace them if necessary Should the instrument still operate improperly check that the product is operated according to the instructions given in this manual Should the instrument be returned to the After sales Service or to a Dealer transport will be at the Customer s charge However shipment will be agreed in advance A report will always be enclosed to a shipment stating the reasons for the product s return Only use original packaging for shipment any damage due to the use of non original packaging material will be charged to the Customer EN 63 NOTE Via della Boaria 40 48018 Faenza RA Italy Tel 39 0546 621002 4 linee r a Fax 39 0546 621144 email ht htitalia it http Awww ht instruments com YAMUMO053HTO
40. diance threshold Analys Results gt Unable to carry out the analysis if irradiance has never Rasai EFF tw reached a steady value higher than the minimum threshold set or if no value exists which is valid during the whole recording nDC gt 1 15 29 Press SAVE to save the results obtained see 7 1 or ESC to exit the screen and go back to the initial screen EN 26 sah WHT PVCHECK 6 2 MEASURING PARAMETERS ON PV PLANT WITHOUT USING SOLAR 02 The PV installation efficiency test carried out without using the optional remote unit SOLAR 02 only allows evaluating output electrical parameters of a string or a photovoltaic field quantities Vdc Idc and Pdc which can be periodically recorded with a programmable integration period see 5 2 1 In this mode the values of Irradiation Te Tc the nDC efficiency value are not evaluated and no result is provided by the instrument CAUTION e The maximum voltage between inputs P and N is 1000VDC Do not measure voltages exceeding the limits given in this manual Exceeding AN these limits could result in electrical shocks to the user and damage to the instrument e In order to guarantee the operator s safety while making the connections disable the system being measured by means of the switches breakers upstream and downstream of the DC AC converter inverter L2 unum y onnnnnnna Fig 5 Instrument connection for measuring PV installation parame
41. e 1 0 Mo 2 Press the ENTER key activate Settings and possibly Mode Field change the desired parameters see 5 4 The following Vtest V V parameters are shown on the display Ri MQ gt Ins Test gt selected test voltage 250 500 or Ri MQ 1000VDC Rp MQ gt Ri min gt minimum limit threshold for insulation measurement MQ v gt Mode gt measuring mode FIELD gt Vtest gt real test voltages applied respectively between the Positive pole and the Negative pole of 19 05 12 15 34 26 LS the field respect the earthing uni A gt Ri gt insulation resistance measurement between ygp the Positive pole of the PV field and the earthing VEN gt Ri gt insulation resistance measurement between the Negative pole of the PV field and the earthing gt Rp gt final value of the measurement obtained by the parallel of Ri e Ri values which is compared with the Ri min limit by the instrument EMO gt V key gt access to the second page with the measured values of VPN VEP and VEN voltages lt lt lt 3 Connect the instrument to the PV field being tested and to the main earth node of the system shown in Fig 10 In particular connect the negative output pole of the PV field to terminal N and the positive output pole of the PV field to terminal P EN 39 PVCHECK 4 Press GO STOP to start the test CAPTION E Green cable P Red cable N Black cable 1
42. e INstrument rai il 58 Sd Enologia 58 10 TECHNICAL SPECIFICATIONS 59 10 1 Technical specifications for PV installation efficiency i 59 10 2 Technical specifications of the IVCK function i 60 10 3 Technical specifications for electrical Safety renee eeeeeeeeeeeeeeeeeeeeeees 60 10 4 Reference standardS i 61 104 Generali sio he illa ii 61 10 5 General chafaciaristioS uur ii 61 10 6 Environmental conditions for USE 61 10 7 ACCESSOMIGS sancnar EEES 61 11 APPENDIX THEORETICAL OUTLINE i 62 11 1 Efficiency test on PV installations aa 62 12 SERVICE EE 63 12 1 Warranty Gondor 63 122 Pira ale 63 EN 2 HT PVCHECK 1 PRECAUTIONS AND SAFETY MEASURES The instrument has been designed in compliance with directive IEC EN61010 1 relevant to electronic measuring instruments Before and while carrying out measurements observe the following indications and read all notes preceded by the symbol Z with the utmost attention Do not carry out any voltage or current measurement in humid environments Do not carry out any measurements in case gas explosive materials or flammables are present or in dusty environments Avoid contact with the circuit being measured if no measurements are being carried out Avoid contact with exposed metal parts with unused measuring probes etc Do no
43. e compensation relationship of temperature effects 15 5 3 LOWQ Settings for continuity test with 200MA i 16 5 3 1 Instrument settingsi iati rta iaia ala 16 5 4 MQ Settings for insulation measurement ii 17 5 4 1 Instrument settingsi indire za siae alia RAR a 17 5 5 IVCK Settings for IVCK quick test iii 18 5 5 1 Instrument settingsi cs iaia 18 5 6 DB Database module management 20 5 6 1 How to define a new PV MOdUle 21 5 6 2 How to modify an existing PV module i 22 5 6 3 How to delete an existing PV module 22 6 OPERATING INSTRUCTIONS wescscaiicsctecosccdsnedinbixenertadedecceexbeieperoccseccdesatsaebebioonmeiocsxed 23 6 1 Measuring efficiency PV plants by using remote unit SOLAR 02 23 6 2 Measuring parameters on PV plant without using SOLAR 02 i 27 6 3 Quick check on PV modules and strings IVCK i 29 6 3 1 FONON race ceca allineata 29 6 3 2 Carrying out an IVCK quick test without Measuring irradiance i 30 6 3 3 Carrying out an IVCK quick test and measuring irradianCe nese er nentrn nere nrr nnne 33 6 3 4 Reset AverageS s i hints lalla ences neta ed dds 37 6 3 4 1 Anomalous situations when performing IVCK tests nnne 38 6 4 Measurement of insulation on PV modules strings field
44. egards the calculation of nDC PVCHECK efficiency The following modes are available T Mod Correction factor Rfv2 related to PV module Temp Italian guideline CEI 82 25 T Env Correction factor Rfv2 related to environmental Temp Italian guideline CEI 82 25 nDC nDC correction according to module temperature A CAUTION If it s performed a test according to Italian guideline it is recommended to select T Env correction ae Temperature used Tcel Calculation of nDC Ref T Mod Tcel Tmoduli_ Ms 1 se Tcel lt 40 C Rfv2 lr 1 Tcel 40 x se Tcel gt 40 C 100 CEI hence 82 Irr T Env Tcel Tamb NOCT 20 x P 25 800 nDC de G Rfv2 x x P Gsrc G P nDC Tcel Tmoduli_Ms nDC x 1 Wl T 25 e 222 cel i 100 P where Symbol Description Moasurin g unit G Irradiance measured on PV module surface W m Gsrc Standard Irradiance 1000 wim P Rated Power sum of all Pmax values of the section of the PV plant being kw n measured P DC power measured at the PV generator s output kW dc Rfv2 Correction factor depending on the Temperature of PV Cells Tcel measured or calculated according to the type of selected correction relationship Absolute value of the thermal coefficient of Pmax of the PV modules included in the c 4 plant section being measured Normal Operating Cell Temperature Tempera
45. eing tested Voc lsc gt Vdc gt value of output voltage from module string g 1000v measured in real time Irr gt value of irradiation measured in real time Tc gt value of module temperature see 5 5 1 Voc Isc gt section with display of result OK NO of Voc and Isc measurement Selection vcK gt Ri gt the value in brackets may be NO selected test voltage see 5 5 1 The value of Ri indicates the insulation resistance gt Rpe gt the value in brackets may be NO Cal or NoCal see 5 5 1 The value of Rpe indicates the result of the continuity test 3 Press the ENTER key select Settings and confirm again with ENTER Set the instrument as indicated in 5 5 1 4 lf necessary press the ENTER key select Reset Averages and confirm again with ENTER If necessary carry out this operation as indicated in 6 3 4 5 If necessary press the ENTER key select Leads calibration and confirm again with ENTER If necessary carry out this operation as indicated in 6 5 2 6 Connect the instrument to the module string being tested and if necessary to the main earth node of the system and to the earthed metal masses as shown in Fig 6 In particular connect the negative output pole of the module string to terminal N and the positive output pole of the module string to terminal P Rpe Cal Q VV V EN 30 PVCHECK CA 200M Fig 6 Connection for IVCK test without irradian
46. es e The overall test outcome OK NO The overall result will be calculated based on the partial results obtained gt Based on partial results under STC if these are available gt Based on partial results under OPC if STC values are not available The instrument will not display any overall result if no partial result is available EN 29 iw PVCHECK 6 3 2 out an IVCK ca test without ON irradiance e The maximum voltage between inputs P N E and C is 1000VDC Do not measure voltages exceeding the limits given in this manual N e Do not perform test on PV modules or strings connected to the DC AC converter e The maximum current which can be measured by the instrument is 10A Before carrying out the measures of IVCK and insulation in STRING mode always ensure that the instrument is connected to ONE STRING and not more strings in parallel to avoid possible damage of it _ Switch on the instrument by pressing the ON OFF key 2 Check that the remote unit SOLAR 02 is not selected see 5 1 4 setting NO 3 Check that the value of minimum irradiance set in section Irradiance see 5 1 5 is equal to 0 2 Position the cursor onto IVCK by using the arrow keys 15 05 12 15 34 26 aoe 4 and confirm with ENTER The display shows the M99 ae ie ke screen to the side The meaning of the parameters is the irr W m2 following Tc 3 pas gt Module gt type of module b
47. esired function has been selected EN 3 iw PVCHECK 1 2 DURING USE Please carefully read the following recommendations and instructions CAUTION e Failure to comply with the caution notes and or instructions may damage the instrument and or its components or be a source of danger for the operator ZN e The symbol WE indicates a full charge level of the internal batteries When battery charge decreases to a minimum level the symbol L___ appears on the display In this case stop testing and replace the batteries according to the indications given in 9 2 e The instrument is capable of keeping data stored even without batteries 1 3 AFTER USE When measurements are completed turn off the instrument by pressing and holding the ON OFF key for some seconds If the instrument is not to be used for a long time remove the batteries and follow the instructions given in 3 4 1 4 DEFINITION OF MEASUREMENT OVERVOLTAGE CATEGORY Standard IEC EN61010 1 Safety requirements for electrical equipment for measurement control and laboratory use Part 1 General requirements defines what measurement category commonly called overvoltage category is 6 7 4 Measured circuits reads Circuits are divided into the following measurement categories Measurement category IV is for measurements performed at the source of the low voltage installation Examples are electricity meters and measurements on primary overcu
48. eters e Alpha gt possible selection C and mA C e Beta gt possible selection C and mV C e Gamma gt expressed in C e Voc and Isc tolerance gt expressed in Set the desired measuring units by means of the arrow keys P Press the SAVE key to save the settings made the message Data saved will be displayed for a few seconds Press the ESC MENU key to exit without saving and go back to the previous screen 5 1 3 Date and time 1 2 Position the cursor onto Date and Time by using the arrow keys A W and confirm with ENTER The display shows the screen which allows setting the system s date time both in the European EU or in the USA US format Set the desired measuring units by means of the arrow keys lt 4 P Press the SAVE key to save the settings made the message Data saved will be displayed for a few seconds Press the ESC MENU key to exit without saving and go back to the previous screen EN 10 15 05 12 15 34 26 Ss Beta C C Gamma Tolerance SAVE to store SET 15 05 12 15 34 26 0 Day 15 Hours 09 Minutes 53 Format EU SAVE to store SET sah WHT PVCHECK 5 1 4 Remote unit Pyranometer This section allows selecting the type of remote unit to be used if available and setting the values of typical parameters Sensitivity an
49. g the minimum irradiance threshold expressed in W m used by the instrument as a reference during IVCK measurement and Min Irr EFF which allows setting the minimum irradiance threshold expressed in W m used by the instrument as a reference while measuring the efficiency of a PV installation Use the arrow keys A W to switch between the two items 3 To set the minimum irradiance threshold use the arrow keys 4 gt To obtain results with the accuracy guaranteed in this manual we recommend following the instructions given in 10 The value can be set within the following range 0 800 W m 4 Press the SAVE key to save the settings made the message Data saved will be displayed for a few seconds Press the ESC MENU key to exit without saving and go back to the previous screen The 0 W m setting for parameter Irr min IVCK allows carrying out IVCK AN measurements without the following conditions being checked gt Connection of reference cell to IRR input of the instrument gt Unsteady irradiation values gt Number of modules consistent with the measured open circuit voltage 5 1 6 DC Clamp This option allows setting a possible correction factor K for the DC clamp in order to improve current measurement If present the correction factor is indicated on the rear label of the clamp itself indicated as In case no label is present set k 1 000 1 Position the cursor onto
50. ge 10 ci ESSEN covo gt Rcal gt the value of resistance of the measuring cables after calibrating them gt Rpe gt the result of continuity measurement gt Itest gt real test current 3 Press the ENTER key activate Cable calibration see 6 5 2 to carry out the initial calibration of the measuring cables Connect the instrument to the PV module string being tested and to the main earth node of the system as shown in 4 Fig 14 CAPTION 3 _F E Green cable E C Blue cable 1 PV module string 2 Main system earthing 3 Earthed metal structure in the system IRR TEMP EN 47 PVCHECK 5 Press GO STOP to start the test Fig 14 Connection for continuity measurement on structures of the PV installation CAUTION A on with the test Upon pressing the GO STOP key different error messages can be displayed by the instrument see 6 6 and therefore the test cannot be started Check and eliminate if possible the problem causing the error message before going In case no error conditions occur the instrument displays the message Measuring as shown in the screen to the side At the end of measurement the instrument provides the value of resistance of the object being tested If the result is lower than the maximum limit set the instrument displays the message Outcome OK otherwise it displays the message Outcome NO
51. he IRR input of the instrument using the cable supplied with the cell or to the PYRA CELL input of the remote unit SOLAR 02 if used see Fig 8 and Fig 9 12 If used connect the temperature sensor to the TEMP input of the instrument and fasten it to the backside of the module under a cell using some adhesive tape As an alternative connect the sensor to the TEMP input of the remote unit SOLAR 02 if used see Fig 8 and Fig 9 13 Connect the instrument to the module string being tested and if necessary to the main earth node of the system and to the earthed metal masses as shown in Fig 8 and Fig 9 In particular connect the negative output pole of the module string to terminal N and the positive output pole of the module string to terminal P CAUTION ZN In case the remote unit SOLAR 02 is used for measuring irradiance make sure that the RF communication with the master unit PVCHECK is always active symbol w on and steady on the display CAPTION E Green cable C Blue cable P Redcable N Black cable 1 PV module string 2 Main system earthing 3 Earthed metal structure in the system 4 Reference cell for irradiance measurement 5 Temperature sensor if required EN 34 PVCHECK Fig 8 Connection for IVCK test with direct irradiance measurement CAPTION E Green cable C Blue cable P Red cable N Black cable 1 PV module string 2 Main system earthing 3 Earthed met
52. he cursor onto the parameter to be defined by using the arrow keys 4 W and set the value using the arrow keys lt gt Keep the arrow keys lt gt pressed to carry out a quick setting of the values Press the SAVE key to save the settings or the ESC MENU key to exit without saving 15 05 12 15 34 26 Model DEFAULT gt A Pmax 185 W Voc 44 5 V Vmpp 37 5 V me a da A m Tore 0 v selection i 15 05 12 15 34 26 i Model 4 DEFAULT A Pmax 185 W Voc 44 5 V Vmpp 37 5 V Isc 5 40 A Impp 4 95 A Toll 0 v New Selection DB 15 05 12 15 34 26 15 05 12 15 34 26 I Model SUNPWR 210 A IRE e e EDI oc 0 0 V Vmpp 0 0 V Isc 0 00 A Impp 0 00 A Toll 0 v DB CAUTION for a few seconds to set the default values indicated in Table 1 A If the value of any parameter is unknown press and hold the HELP key Upon pressing the SAVE key the instrument checks the conditions and if one or more of these conditions are not fulfilled one of the error messages listed in 6 6 is shown on the display The instrument does not save the configuration set before any error is solved EN 21 5 6 2 How to modify an existing PV module 1 2 3 Select the PV module to be modified from the internal database by means of the arrow keys lt q P Press the ENTER key and select the Modify
53. he main measuring screen EN 42 NHT PVCHECK 6 4 4 i insulation STRING mode The maximum current which can be measured by the instrument is 10A AN Before carrying out the measures of Insulation in STRING mode always ensure that the instrument is connected to ONE STRING and not more strings in parallel to avoid possible damage of it 1 Position the cursor onto MQ by using the arrow keys 15 05 12 15 34 26 4 and confirm with ENTER The display shows the Test 1000 v screen to the side RI min bio MQ 2 Press the ENTER key activate Settings and possibly Mode String change the desired parameters see 5 4 The following Vtest V parameters are shown on the display Rp MQ gt Ins Test gt selected test voltage 250 500 or 1000VDC gt Ri min gt minimum limit threshold for insulation measurement Mo Y gt Mode gt measuring mode STRING gt Vtest gt real applied test voltage gt Rp gt final value of the measurement obtained by the parallel of Ri e Ri values which is compared with the Ri min limit by the instrument gt V key gt access to the second page with the measured values of VPN VEP and VEN voltages 3 Connect the instrument to the PV module string being tested and to the main earth node of the system as shown in In particular connect the negative output pole of the PV field to terminal N and the positive output pole of the P
54. imum threshold set on insulation measurement The type of mode selected The real value of the applied test voltage The insulation value of positive pole Ri The insulation value of positive pole Ri VVVVVV For MQ test in TIMER mode there are the values of the following parameters Set rated test voltage Minimum threshold set on insulation measurement The type of selected mode The real value of the applied test voltage The Ri minimum value of insulation resistance of the PV module string or of other metal masses being tested continuously measured during the whole duration of measurement The set measuring time VVVVV EN 55 PVCHECK 7 3 2 1 Accessing the data saved in the memory Numeric display 1 Select a line corresponding to a saved result and press 15 05 12 15 34 26 ES ENTER MEM PLT STR MOD 2 Select Open and press ENTER to open the section KU 001 001 001 where measurement results are displayed as 002 001 001 002 gt Numeric screens of measured parameters under standard STC conditions and under operating OPC conditions for IVCK tests Open gt Numeric screens of measured parameters when Recall r measuring insulation MQ and continuity LOWO Delete MENNEK 3 For IVCK test there are the values of the following 15 05 12 15 34 26 Es Module SUNPWR210 A Irr 903W m2 Tc AUTO 57 C VocAvg OPC V scAva gore A eee we 54
55. l be displayed for a few seconds Press the ESC MENU key to exit without saving and go back to the previous screen SAVE to store Selection LOWQ CAUTION The settings saved for max RPE also affect the settings for the Continuity test contained in the IVCK measurement MENU gt IVCK EN 16 PVCHECK 5 4 MQ SETTINGS FOR INSULATION MEASUREMENT 5 4 1 Instrument settings 1 Position the cursor onto MQ by using the arrow keys 15 05 12 15 34 26 E A V and confirm with ENTER The display shows the ns test 1000 v following screen Ri min 1 0 MQ Mode Field Vtest sas Voe sa V Ri MQ Ri MQ Rp MQ MQ Vv 2 Press the ENTER key The instrument shows the option 15 05 12 15 34 26 Settings Ins Test 1000 v 3 Confirm with ENTER The instrument shows the following Ri min 1 0 MQ screen Mode Field Vtest V V Ri MQ Ri MQ Rp MQ Settings Selection MQ v 4 Use the arrow keys A V for option setting and select 15 05 12 15 34 26 the desired option by means of the arrow keys lt q P Pe eerie a ooo The following parameters can be set Ri min 1 00 MQ gt Ins Test gt test voltage 250 500 1000VDC Mode TIMER gt Mode gt operating modes Field Timer String gt Ri min gt minimum limit value for insulation resistance Test time 10s gt Test time gt maximum value of test time only for TIMER mode with a maximum value of 300s in ste
56. le 1 Typical parameters of PV modules CAUTION gt Tech is referred to the choice of the technology of the module being tested Select the STD option in case of test on STANDARD PV modules AN or the CAP option in case of test on PV modules with remarkable capacitive effects e g HIT HIP technology A wrong choice of the type of technology can lead to a negative outcome of the final test EN 20 PVCHECK 5 6 1 How to define a new PV module 1 By using the internal virtual keyboard it is possible to define the name of the module e g SUNPOWER 210 by means of the arrow keys A Y lt gt Press ENTER to Press the SAVE key to save the name of the new module Position the cursor onto DB by using the arrow keys 4 W and confirm with ENTER The display shows the screen which contains e The type of PV module e The values of the parameters associated to the module see Table 1 Use the arrow keys lt q gt to select the DEFAULT module type and confirm with ENTER Press the ENTER key select the New command which allows defining a new module and confirm again with ENTER Use the arrow keys A W to scroll the list of parameters digit any character of the desired name thus defined or the ESC MENU key to exit without saving Insert the value of each parameter see Table 1 according to the possible datasheet of the Manufacturer Position t
57. lt of all performed tests is positive Outcome OK v IVCK W 22 Press the arrow key W to show the following page in 15 05 12 15 34 26 which the values of parameters Voc and Isc are shown It Module SME shows gt The module being used gt The value of irradiance gt The value of temperature of the module gt The average values of Voc and Isc under OPC gt The values of Voc and Isc measured under OPC Outcome OK gt The values of Voc and Isc calculated under STC and Ivek W the relevant partial results obtained by comparison with the nominal values In general VocNoma src VOC src Esito Vocasre OK se 100x lt Tol Voc 4 VocNoma src IscNottgse lia Esito Iscosre OK se 100x lt Tol Isc 4 IscNoMe src The rated values of Voc and Isc are the values found in the instruments internal modules DB see 5 6 gt The overall value of the results EN 36 NHT PVCHECK o OK if all results under STC are OK o NO if one of the results under STC is NO 23 Press the A key to go back to the previous screen 24 Press the SAVE key to store the test result in the instrument s memory see 7 2 or the ESC MENU key to exit the screen without saving and go back to the main measuring screen CAUTION The average values of Voc and Isc are displayed in the results page These values include the average values of Voc and Isc under OPC conditions ZN calculated as
58. mass TEMP IRR Fig 11 Instrument connection for insulation measurement in TIMER mode CAUTION Upon pressing the GO STOP key different error messages can be displayed ZN by the instrument see 6 6 and therefore the test cannot be started Check and eliminate if possible the problem causing the error message before going on with the test EN 41 NHT PVCHECK 4 Press GO STOP to start the test In case no error 15 05 12 15 34 26 conditions occur the instrument displays the Messaggi Test 1000 V Measuring as shown in the screen to the side Ri min 1 0 MQ Mode Timer Vtest 1020 V Ri min MQ Test time 10s Measuring MQ 5 When measurement is complete the instrument provides 15 05 12 15 34 26 O the Ri min value i e the minimum value of insulation s test 1000 v resistance of the PV module string or of other metal ri min 450 MQ masses being tested continuously measured during the Mode Timer whole duration of measurement If the result is higher vtest 1020 V than the minimum limit set the instrument displays the Ri min gt 200 Ma message Outcome OK otherwise it displays the message Outcome NO as shown in the screen to the 6st time 200s side Outcome OK 6 Press the SAVE key to store the test result in the Mo v instrument s memory see 7 2 or the ESC MENU key to exit the screen without saving and go back to t
59. mean of the last 10 tests previously saved If the user has carried out and saved a number of tests lt 10 or reset the average values see 6 3 4 the average value displayed during test N 1 will be calculated on the available N values 6 3 4 Reset Averages If irradiance values are measured the instrument provides a result by comparing the values measured with the average values calculated according to the previously saved measured In this case the average values calculated by the instrument are therefore particularly important In case a new measurement campaign is started with significant variations in irradiance or temperature it is advisable to set the average reference values to zero in order to make new calculations based on new measurements To reset the average values please keep to the following steps 1 In IVCK mode press the ENTER key select Reset 15 05 12 15 34 26 es Averages and confirm by pressing ENTER again to zero a A the average values calculated until that moment Irr 0 W m2 Tc Auto C Voc lsc Ri 1000V MQ Rpe Cal Q Leads calibration Settings IVCK The average values are automatically reset also modifying and then saving one of the following parameters gt Type of PV module gt Number of modules per string The average values are not reset if the operator changes operating mode and then goes back to this mode EN 37 NHT PVCHECK 6
60. n without saving and go back to the main measuring screen gt 100 MQ EN 44 NHT PVCHECK 6 4 4 1 Anomalous situations 1 In any operating mode in case the instrument detects a 15 05 12 15 34 26 voltage higher than 1000V at terminals P N P E and Ne Test 1000 v E it does not carry out the test gives out a long sound Ri min i 1 0 MQ and displays the message Vin gt 1000 Mode String Vtest EEE V Rp MQ Vin gt 1000 2 In STRING mode in case the instrument detects an Isc 15 05 12 15 34 26 O current higher than 10A it does not carry out the test as test 1000 v gives out a long sound and displays the message ISC Ri min i 1 0 Mo current too high Mode Stringa Vtest e Sue s V Rp MQ Isc current too high Selection MQ 3 In STRING mode in case the instrument detects a 15 05 12 15 34 26 current lt 0 2A between terminals P and N it does notl as test i000 v carry out the test gives out a long sound and displays Ri min i 1 0 MQ the message Current lt Lim Mode String Vtest V Rp MQ Current lt Lim Selection MQ 4 In STRING mode in case the instrument detects a 15 05 12 15 34 26 nes voltage lt 15V between terminals P and N it does not as test 1000 v carry out the test and displays the message Low Ri min 1 0 MQ voltage Mode String Vtest V Rp MQ Low voltage Selection MQ
61. ng of irradiance and temperature values through the remote unit but these values have not been transferred or are not available For these measurements the values translated to STC will not be available Use the arrow key to go to the parameter display label Plant String Module The instrument will display the markers selected by the operator during the saving procedure associated with the type of system string considered and module being tested see 7 2 Press ESC MENU to exit the screen and go back to the main menu EN 54 15 05 12 15 34 26 Ee MEM DATE TYPE 001 08 04 2012 10 38 LOWQ 002 003 Efficiency Rec IVCK MQ LOWQ Open Delete gt MEM IVCK 13 04 2012 12 15 MQ 15 05 12 12 20 IVCK 15 06 12 15 34 26 iz MEM Comments 001 PV PLANT 1 002 PV PLANT 2 MEM IVCK 15 06 12 15 34 26 INNS MEM PLT STR MOD 001 001 001 001 002 O01 001 002 Selection MEM IVCK parameters The module being used The value of irradiance The value of temperature of the module The average values of Voc and Isc under OPC conditions The values of Voc and Isc measured under OPC conditions gt The values of Voc and Isc calculated under STC and the relevant partial results obtained by comparison with the nominal values VVVV gt For MQ test in FIELD mode there are the values of the following parameters Set rated test voltage Min
62. nt by pressing the ON OFF key 2 Connect the instrument to the PC via the provided optical USB cable C2006 3 Press the ESC MENU key to open the main menu 4 Use the arrow keys A W to select PC to access data transfer mode and confirm with ENTER 15 05 12 15 34 26 Ges IVCK Test mod strings LOWQ PE Continuity Test MQ Insulation Test EFF Efficiency Test SET Settings DB Archive modules MEM Recall Memory PC Trasf data to PC Press Enter to sel MENU 5 The instrument shows the following screen 15 05 12 15 34 26 Lae Connecting to PC MENU 6 Use TopView controls to activate data transfer please refer to the on line help of the programme EN 57 NHT PVCHECK 9 MAINTENANCE 9 1 GENERAL INFORMATION The instrument you purchased is a precision instrument While using and storing the instrument carefully observe the recommendations listed in this manual in order to prevent possible damage or danger during use Do not use the instrument in environments with high humidity levels or high temperatures Do not expose to direct sunlight Always switch off the instrument after use In case the instrument is not to be used for a long time remove the batteries to avoid liquid leaks that could damage the instrument s internal circuits 9 2 BATTERY REPLACEMENT When the low battery symbol F appears on the LCD display or if during a test the instrument shows the message l
63. nt for efficiency measurement on a PV installation 11 Position the clamp so that the jaw is not near the negative conductor 12 The display shows the first screen which contains the 15 05 12 15 34 26 Es values of the output electrical parameters of the a W m2 module string Pnom 3 500 kW 13 Before starting measuring check for the presence of Ic 45 C a e ee a 30 C symbol W steady on the display which indicated a Pdc 3 125 kW correct RF connection with the remote unit SOLAR 02 f lt ndc Go to Start Selection EFF LN 14 Keeping the remote unit SOLAR 02 always close to the 15 05 12 15 34 26 main unit press the GO STOP key on PVCHECK to start ee W m2 testing The message Waiting start recording Pnom 3 500 kW appears on the display of the main unit and HOLD is 1 a oc shown on the display of SOLAR 02 together with an Pdc 3 125 kW indication of the time remaining expressed in seconds ye oy ok until OO is reached ndc EN 24 sah WHT PVCHECK 15 Upon reaching 00 after pressing the GO STOP key the 15 05 12 15 35 00 es test is started and the two units are synchronized with o W m2 each other In these conditions the message Recording Pnom 3 500 kW running is displayed on the main unit and Ic Ae ee Recording is displayed by SOLAR 02 Pdc 3 125 kW Vdc 389 V Idc 8 01 A ndc 16 At
64. nts may be performed in sequential order IVCK gt Insulation gt Continuity or be carried out separately in manual mode 2 2 INSTRUMENT FUNCTIONS The instrument has the following features Continuity test of protective conductors LOWQ e Test with test current gt 200MA in compliance with standard IEC EN62446 e Manual calibration of measuring cables Measurement of insulation resistance on PV modules strings MQ e Test voltages of 250V 500V 1000VDC in compliance with standard IEC EN62446 e 3 measuring modes Field Timer String e Insulation test of unearthed metal masses Efficiency evaluation of a PV installation in the short medium term EFF e Measurementof DC voltage DC current and DC power at PV modules strings outputs e Measurement of irradiation W m by means of a reference cell connected to the optional remote unit SOLAR 02 e Measurement of module and environmental temperature by means of probe connected to the optional remote unit SOLAR 02 e Application of compensation relationships to DC efficiency e Immediate evaluation of DC efficiency according to the limits set by the user e Parameter recording of a PV system with 5s to 60min programmable IP Quick checks IVCK in compliance with standard IEC EN62446 Measurement of open circuit voltage Voc on PV modules strings up to 1000 VDC Measurement of short circuit current Isc on PV modules strings up to 10A Measurement of irradiation by means of an optional referen
65. oltage IVCK ca EFF Insulation MQ measurement E C inputs for continuity tests LOWQ Fig 2 Description of the upper part of the instrument 1 CAPTION x 1 Connector for opto insulated USB output cable connection Fig 3 Description of the instrument s side EN 7 INVHT PVCHECK 4 2 KEYBOARD DESCRIPTION The keyboard includes the following keys ON OFF key to switch on off the instrument a lt A P Y keys to move the cursor inside the various screens in order to select programming parameters ENTER key to confirm modifications selected programming parameters and to SAVE key to save the measured values ESC MENU key to exit the selected menu without confirming and to go back to the main menu select the function to be accessed from the menu D GO STOP key to start measurements amp connections between the instrument and the installation HELP key long pressing to access the on line help to view the possible 2 key simple pressing to activate the display s backlighting 4 3 DISPLAY DESCRIPTION The display is a graphic module with a resolution of 128 x 128 15 05 12 15 34 26 es dots The display s first line indicates the system s date time and contains the battery charge indicator At the bottom of the display the function of the ENTER key and the active mode are displayed The symbol indicates the presence of an active radio connection with
66. ow battery it is necessary to replace the batteries CAUTION ZN Only expert and trained technicians should perform this operation Before carrying out this operation make sure you have disconnected all cables from the input terminals Switch off the instrument by pressing and holding the ON OFF key Remove the cables from the input leads Loosen the battery compartment cover fastening screw and remove the cover Remove all the batteries from the battery compartment and replace them only with new batteries of the same type only see 10 5 making sure to respect the indicated polarities 5 Restore the battery compartment cover into place and fasten it by means of the relevant screw 6 Do not scatter old batteries into the environment Use the relevant containers for disposal B adi a 9 3 CLEANING THE INSTRUMENT Use a soft and dry cloth to clean the instrument Never use wet cloths solvents water etc 9 4 END OF LIFE CAUTION this symbol indicates that the appliance its accessories and the internal batteries must be collected separately and correctly disposed of ai EN 58 PVCHECK 10 TECHNICAL SPECIFICATIONS 10 1 TECHNICAL SPECIFICATIONS FOR PV INSTALLATION EFFICIENCY Accuracy is indicated as Yreading no of digits resolution at 23 C 5 C lt 80 HR DC voltage 5 0 199 9 200 0 999 9 0 1 0 5 Range V Resolution V Accuracy 1 0 rdg 2dgt DC c
67. ps of 1s MQ Press the SAVE key to save the settings made the message Data saved will be displayed for a few seconds Press the ESC MENU key to exit without saving and go back to the previous screen The settings saved for test voltage also affect the settings for the insulation measurement contained in the IVCK measurement MENU gt IVCK EN 17 NHT PVCHECK 5 5 IVCK SETTINGS FOR IVCK QUICK TEST The purpose of this measurement is to verify the functionality of the connections and of the strings in a photovoltaic field according to the provisions of standard IEC EN62446 by measuring the open circuit voltage and the short circuit current at operating conditions and referred to STC via the optional measurement of irradiation and providing immediate results regarding the measurement just carried out both in absolute terms and by comparison with the strings previously tested The test also allows carrying out if selected the continuity test and an insulation measurement in a sequence 5 5 1 Instrument settings 1 Position the cursor onto IVCK by using the arrow keys 15 05 12 15 34 26 A W and confirm with ENTER The display shows the M9dule Do a following screen Irr Pg W m2 Tc Auto C Voc lsc Ri 1000V MQ Rpe Cal Q Selector c 2 Press the ENTER key The instrument shows the 15 05 12 15 34 26 P following options Settings Reset Averages see oe a
68. results obtained see 7 1 or ESC to exit the screen and go back to the initial screen 1 _ EN 28 INVHT PVCHECK 6 3 _ QUICK CHECK ON PV MODULES AND STRINGS IVCK 6 3 1 Foreword This function carries out a series of quick tests on a PV module string measuring in a sequence gt The Voc voltage and the short circuit current Isc according to the prescriptions of standard IEC EN62446 with the possibility of measuring by using the relevant probes also the irradiance and module temperature values gt Insulation resistance measurement if enabled see 5 5 1 only carried out in STRING mode see 6 4 4 i e by automatically producing an internal short circuit between the input terminals P and N and measuring between this short circuit point and the input terminal E gt Continuity test of protective conductors if enabled see 5 5 1 with 200mA between the input terminals E and C of the instrument Irradiance measurement can be carried out in one of the following modes e Reference cell directly connected to PVCHECK e Reference cell connected to SOLAR 02 in RF connection with PVCHECK Irradiance measurements are always carried out in real time it is therefore impossible to start a remote recording of irradiance values through SOLAR 02 If the minimum irradiance threshold see 5 1 5 is e 0 gt the instrument does not control the presence of the reference cell irradiance changes n
69. rrent protection devices and ripple control units Measurement category Ill is for measurements performed on installations inside buildings Examples are measurements on distribution boards circuit breakers wiring including cables bus bars junction boxes switches socket outlets in the fixed installation and equipment for industrial use and some other equipment for example stationary motors with permanent connection to fixed installation Measurement category Il is for measurements performed on circuits directly connected to the low voltage installation Examples are measurements on household appliances portable tools and similar equipment Measurement category is for measurements performed on circuits not directly connected to MAINS Examples are measurements on circuits not derived from MAINS and specially protected internal MAINS derived circuits In the latter case transient stresses are variable for that reason the standard requires that the transient withstand capability of the equipment is made known to the user EN 4 sah WHT PVCHECK 2 GENERAL DESCRIPTION 2 1 INTRODUCTION This instrument has been designed to carry quick checks IVCK on photovoltaic modules strings in order to verify the parameters declared by the manufacturer In addition this instrument measures insulation continuity on PV modules strings fields and evaluates the efficiency of a PV field IVCK and insulation continuity measureme
70. rrow keys A W to select Instrument di io ie settings and confirm with ENTER The instrument shows Pac 0 a kW H i Vdc V the following screen ide 0 0 A ndc SS System parameters e e Q Selection EFF 4 By using the arrow keys lt q gt it is possible to set 15 05 12 15 34 26 es gt the integration period IP which can be used by the instrument when testing the parameters of a py ARRE NICE system The following values can be selected 5s 10s 30s 60s 120s 300s 600s 900s 1800s 3600s gt The FS of the DC clamp used for measuring DC current with value selectable between 1A 3000A 5 Press the SAVE key to save the settings made the SAVE to store message Data saved will be displayed for a oy I seconds Press the ESC MENU key to exit without saving and go back to the previous screen EN 13 PVCHECK 5 2 2 System parameters 1 Position the cursor onto EFF by using the arrow keys 15 05 12 15 34 26 Es 4 and confirm with ENTER The display shows the 22 wine values of the output electrical parameters of the Pnom 3 500 kW photovoltaic generator se ates Pdc 0 0 kW Vdc 0 000 v Idc 0 0 A ndc GO to Start Selection EFF Press the ENTER key The instrument shows the 15 05 12 15 34 26 jean following options System parameters and Instrument ME AW settings Pnom 3 500 kW Use the arrow keys A W to select System si Ton Parameters and confirm with ENTER
71. s MO 39 6 4 1 FORCWONO casier ina RANA RAZER NARRATA AIR aa 39 6 4 2 Measuring insulation FIELD MOde i 39 6 4 3 Measuring insulation TIMER Mode ui 41 6 4 4 Measuring insulation STRING Mode 43 6 4 4 1 AMOMAIOUS SITUATIONS a aa aa re a aa a a E E aa Aaaa aa cri alone arenaria 45 6 5 Measurement of continuity on PV modules strings fields LOWQ 46 6 5 1 FOE WONG ss rsa i a 46 YH TI PVCHECK 6 5 2 Calibration of measuring cables ii 46 6 5 3 Measuring Gonin eee alii ila 47 6 5 3 1 Anomalous situations ii 49 6 6 List fdispl y messages Lalla 50 i OTORING DATA catia 51 7 1 Saving efficiency measures 51 7 2 Saving IVCK MQ and LOWQ measured reSultS ccccceeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeaees 51 7 3 Operations with IeSU Screen 53 7 3 1 Recalling on the display the PV efficiency results cece eeeeeeseeeeeseaeeeseaeeseneees 53 7 3 2 Recalling on the display the results of IVCK MQ and LOWQ measurements 54 7 3 2 1 Accessing the data saved in the memory Numeric display ii 55 7 3 3 Deleting data from the Memory i 56 8 CONNECTING THE INSTRUMENT TO THE PC 57 9 MAINTENANCE voien a a e e a ae r e a Eai aeie 58 Side Genera Informa iaia 58 9 2 Battery replacement sella 58 9 3 Cleaning th
72. sc Ri 1000V MQ Rpe Cal Q Measuring Selection IVCK LN INVHT PVCHECK 16 When Voc and Isc measurements are complete thejt5 05 12 15 34 26 se message OK is shown in case the result of the test is Medule e positive measured values within the tolerances set on the irr 856 W m2 instrument Tc Auto C 17 With insulation measurement selected the instrument Voc lsc OK goes on with the test keeping terminals P and N short _ circuited and carrying out the test between this point and f 1999 V tie MESE terminal E for the time necessary to obtain a steady value Rpe cal soe Q 18 The value of insulation resistance is shown in field Ri and the message OK appears in case the result of the test is Measuring positive measured value higher than the minimum limits Ivek N value set on the instrument 19 With continuity measurement selected the instrument 15 05 12 15 34 26 goes on by opening the short circuit and carrying out the V odule A test between terminals E and C irr 856 W m2 20 The value of resistance in the continuity test is shown in Tc Auto C field Rpe and the message OK appears in case the Voc lsc OK result of the test is positive measured value lower than the maximum limit value set on the instrument Aaa ia 21 The message Outcome OK is finally shown by the Rpe cal 2 00 Q OK instrument in case the resu
73. sible damage of it Switch on the instrument by pressing the ON OFF key 2 Irradiance measurement is carried out in one of the following modes gt Measurement by reference cell directly connected to PVCHECK gt Measurement by reference cell connected to a connected SOLAR 02 unit RF with PVCHECK 3 Check that the settings of remote unit SOLAR 02 are consistent with the type of measurement to be carried out see 5 1 4 4 Check the minimum irradiance value set see 5 1 5 _ 5 Position the cursor onto IVCK by using the arrow keys 15 05 12 15 34 26 4 and confirm with ENTER The display shows the M99 Ero ees screen to the side The meaning of the parameters is the irr 0 W m2 following To Auto C gt Module gt type of module being tested Voc lsc gt Vdc gt value of output voltage from module string g 1000v sze Wa measured in real time gt Irr gt value of irradiation measured in real time le dae Tei e gt Tc value of module temperature see 5 5 1 gt Voc Isc gt section with display of result OK NO of Voc and Isc measurement Selection vcK Vv Ri gt the value in brackets may be NO selected test voltage see 5 5 1 The value of Ri indicates the insulation resistance gt Rpe gt the value in brackets may be NO Cal or NoCal see 5 5 1 The value of Rpe indicates the result of the continuity test 6 Press the ENTER key select Settings and
74. ster unit to manage data synchronization and download via a radiofrequency RF connection which is active up to a maximum distance of 1m between the units CAUTION e The maximum voltage between inputs P and N is 1000VDC Do not measure voltages exceeding the limits given in this manual Exceeding ZN these limits could result in electrical shocks to the user and damage to the instrument e In order to guarantee the operator s safety while making the connections disable the system being measured by means of the switches breakers upstream and downstream of the DC AC converter inverter TEMP SOLAR 02 PYRA CELL Fig 4 Connection of instrument for efficiency measurement on a PV installation 1 Check and if necessary set the sensitivity of the reference cell on SOLAR 02 consistently with the type of PV modules which will be measured please refer to the user manual of SOLAR 02 2 We recommend making a preliminary evaluation of the value of irradiation on the surface of the PV modules being tested by means of unit SOLAR 02 operating independently and the reference cell 3 Switch on PVCHECK check and if necessary change the instrument settings relevant to the type of remote unit to the minimum irradiation threshold to the full scale of the DC clamp to the integration period and to the parameters of the system being measured see 5 1 4 5 1 5 0 5 2 1 and 5 2 2 EN 23 iw PVCHECK
75. stop testing and replace the batteries according to the indications given in 9 2 The instrument is capable of keeping data stored even without batteries The instrument is provided with advanced algorithms to maximize the batteries life During instrument operation a short pressing of the 2 key turns on the display s backlighting In order to save battery efficiency backlighting automatically turns off after approx 30 seconds A frequent use of backlighting reduces the batteries life 3 3 CALIBRATION The instrument has the technical specifications described in this manual Its performance is guaranteed for 12 months from the date of purchase 3 4 STORAGE In order to guarantee precise measurement after a long storage time under extreme environmental conditions wait for the instrument to come back to normal condition see 10 6 EN 6 NY HT PVCHECK 4 NOMENCLATURE 4 1 INSTRUMENT DESCRIPTION _ CAPTION 1 Inputs 2 Display 3 Connector for optical output USB port 4 Arrow keys ENTER key 5 GO STOP key 6 SAVE key 7 8 9 ON OFF key HELP 8 key ESC MENU key Fig 1 Description of the front part of the instrument CAPTION 1 Input for irradiation measuring probe i iP Q 2 Input for auxiliary temperature si A Lund measuring probe DC current clamp eld IVCK EFF 7 INPUT MAX OAS 1000V cATTIOON E MRI N P N inputs for DC v
76. t carry out any measurement in case you find anomalies in the instrument such as deformation breaks absence of display on the screen etc Pay special attention when measuring voltages higher than 25V in special environments and 50V in normal environments since a risk of electrical shock exists In this manual and on the instrument the following symbols are used CAUTION observe the instructions given in this manual an improper use could damage the instrument or its components Double insulation A High voltage danger electrical shock hazard eS DC voltage or current nda Connection to earth 1 1 PRELIMINARY INSTRUCTIONS This instrument has been designed for use in the environmental conditions specified in 10 6 Do not use in different environmental conditions The instrument may be used for measuring VOLTAGE and CURRENT in CAT III 300V with a maximum voltage of 1000VDC between inputs Do not use on systems exceeding the limit values specified in 10 1 10 2 and 10 3 We recommend following the normal safety rules devised to protect the user against dangerous currents and the instrument against incorrect use Only the accessories provided together with the instrument will guarantee safety standards They must be in good conditions and replaced with identical models when necessary Check that the batteries are correctly inserted Before connecting the measuring cables to the circuit being measured check that the d
77. ters without SOLAR 02 1 Select the option NO as regards the type of remote unit to be used during EFF test see 5 1 4 set the full scale of the DC clamp see 5 2 1 a possible correction factor of the DC clamp see 0 the integration period and the rated power of the system see 5 2 1 and 5 2 2 2 In order to guarantee the operator s safety disable the system being measured by means of the switches breakers upstream and downstream of the DC AC converter inverter 3 Connect the inputs P and N respectively to the positive and negative output of the string respecting the colours indicated in Fig 5 4 Connect the output connector of the DC clamp to the IDC input CAUTION BEFORE CONNECTING THE DC CLAMP TO THE CONDUCTORS AN Switch on the clamp check the LED indicating the status of the clamp s internal batteries if present select the correct range press the ZERO key on the DC clamp and check on the display of PVCHECK the actual zeroing of the corresponding Idc value values up to 0 02A are acceptable EN 27 iw PVCHECK 5 Connect the DC current clamp to the positive output conductor of the string respecting the direction of the arrow found on the clamp itself as indicated in Fig 5 Position the clamp so that the jaw is not near the negative conductor 6 The display shows the first screen which contains the 15 05 12 15 34 26 I values of the output electrical parameters of
78. the se Wind module string Pnom 3 500 kW Tc C Te C Pdc 3 125 kW Vdc 389 V Idc 8 01 A ndc Go to Start Selection EFF 7 Press GO STOP key on PVCHECK to start the test The 15 05 12 15 34 26 B message Waiting start recording appears on the Irr Sara W m2 display of the instrument until 00 is reached Pnom 3 500 kW Tc 45 C Te 30 C Pdc 3 125 KW Vdc 389 V Idc 8 01 A ndc sa Waiting start recording Selection EFF 8 Upon reaching 00 after pressing the GO STOP key the 15 05 12 15 35 00 a test is started Unser these conditions the message ee W m2 Recording running appears on the instruments Pnom 3 500 kW Tc 45 C display Te He af Pdc 3 125 kW Vdc 389 V Idc 8 01 A ndc Recording running Selection 9 At any time it will be possible to analyze the current 15 05 12 15 35 00 ES recording status by pressing the MENU key The following Start 14 02 00 17 18 00 information will be shown Period 5s gt Starting date and time of recording E E gt The value set for the integration period gt The number of periods elapsed from the beginning of the recording 7 i Recording running gt The remaining memory capacity for recording Press the ESC key to exit the screen 10 To stop testing press the GO STOP key on the instrument and confirm with ENTER that you want to stop recording Press SAVE to save the
79. tion LOWQ EN 49 PVCHECK 6 6 LIST OF DISPLAY MESSAGES MESSAGE DESCRIPTION Function not available The selected function characteristic is not available Data not saved The instrument was not able to save the data Wrong date Set a correct system date RADIO transmission error The instrument does not communicate via RF with external units SOLAR 02 Firmware incorrect Inconsistent SOLAR 02 FW Update firmware Firmware incorrect Unsuitable instrument FW Update firmware Error 4 contact service Internal instrument error Database full The number of modules added to the internal DB is gt 30 Module already added The name of the module has already been added to the DB Memory full Instrument memory full upon pressing the GO key Error Vmpp gt Voc Check module settings inside DB Error IMpp gt Isc Check module settings inside DB Error Vmpp Impp gt Pmax Check module settings inside DB Error Alpha too high Check module settings inside DB Error Beta too high Check module settings inside DB Error Gamma too high Check module settings inside DB Error Toll too high Check module settings inside DB Wait data analysis Download data from SOLAR 02 and wait for the result of PV efficiency test Download error Contact service department Error while saving Problems with the a
80. ture the cells under reference o NOCT conditions are brought to 800W m 20 C AM 1 5 air speed 1 m s 1 C For further details see 11 1 EN 15 iw PVCHECK 5 3 LOWQ SETTINGS FOR CONTINUITY TEST WITH 200MA The purpose of this measurement is to test the continuity of protective conductors and equipotential ones e g from rod to earth and connected foreign earth and earth rods of SPDs on PV installations The test must be carried out using a test current gt 200mA according to the prescriptions of IEC EN62446 guideline 5 3 1 Instrument settings 1 Position the cursor onto LOWQ by using the arrow keys 15 05 12 15 34 26 A Y and confirm with ENTER The display shows the ape max ig following screen Rcal EENE Rpe Si era Q Itest mA Selection ITE 2 Press the ENTER key The instrument shows the 15 05 12 15 34 26 E following options Settings and Leads calibration See Rat i 3 Use the arrow keys A W to select Settings and Rcai bd A confirm with ENTER The instrument shows the following Rpe chela y screen Itest sost mA Leads calibration Settings Selection LOWQ 4 Using the arrow keys gt it is possible to set the 15 05 12 15 34 26 a maximum limit value of Rpe resistance which WRPE max 1401 0 instrument uses as a reference while measuring 5 Press the SAVE key to save the settings made the message Data saved wil
81. uit current Generated voltage Rated current measured For FIELD mode if VPN gt 1V the minimum voltage VEP and VEN for the calculation of Ri and Ri is 1V minimum VPN voltage to start the test 15V lt 1 25 x nominal test voltage lt 15mA peak for each test voltage resolution 1V accuracy 5 0 reading Sdigits Rmis gt 0 5 FS gt 1mA with 1kQ Vnom maxjR R _ 2100 add 5 dgts to the accuracy if min R R EN 60 PVCHECK 10 4 REFERENCE STANDARDS 10 4 1 General Instrument safety Safety of measuring accessories Measurements Insulation Pollution level Measurement category IEC EN61010 1 IEC EN61010 031 IEC EN62446 IVCK LOWQ MQ double insulation 2 CAT III 300V to earth Max 1000V between inputs P N E C 10 5 GENERAL CHARACTERISTICS Display and memory Type of display Saved data PC interface Characteristics of radio module Frequency range R amp TTE category Max transmission power Max RF connection distance PV system efficiency Integration Period Memory of SOLAR 02 Power supply Battery type Low battery indication Battery life Automatic power off Mechanical characteristics Size Lx W x H Weight batteries included LCD custom 128x128 pxl with backlighting max 999 optical USB 2 400 2 4835GHz Class 1 301W im CLASS 1M LED APPARATUS INVISIBLE LED RADIATION 850nm or 890nm max 1mW IEC EN 60
82. umber of modules and does not display error messages is case it is impossible to calculate Voc and Isc values transposed under STC This mode is suitable to carry out a test session on a considerable number of strings as quickly as possible e gt 0 recommended gt 700W m gt the instrument carries out all tests provided for l V test manages all conditions and error messages for I V test wrong num of mod temp out of range cell presence min irr etc and calculated the values of Voc and Isc under STC This mode is recommended whenever accurate tests are to be carried out on modules strings being examined In general the result page will include e Description of the module used e lrradiance and temperature values if available e Average values of Voc and Isc calculated as average of the corresponding values under OPC on the last 10 tests saved in the memory If the number of tests is lt 10 the average is calculated on the number of available tests The first test will display dashes in the field average values as there are no previous tests on which to calculate an average e The values of Voc and Isc measured under OPC as well as any partial result only available if STC values are not available obtained by comparison with average values e The values of Voc and Isc calculated under STC if available and any partial result obtained by comparing the values calculated under STC with the nominal ones inserted in DB modul
83. urement gt Tol Isc gt percentage value of the desired limit tolerance set by the operator according to his her own requirements for the measurement of Isc carried out by the instrument Allowable values 0 25 The value between brackets 4 indicates the reading error of the instrument in Isc measurement gt Ins Test enabling disabling of insulation measurement and setting of test voltage Possible options OFF 250V 500V 1000V With enabled function the line Ri min appears which allows setting the minimum limit threshold in the range 0 1 100MQ gt RPE Test gt enabling disabling of continuity test and setting of the limit threshold value for measurement Possible options OFF 10 5Q in steps of 10 5 Press the SAVE key to save the settings made the message Data saved will be displayed for a few seconds Press the ESC MENU key to exit without saving and go back to the previous screen CAUTION AN The settings saved for test voltage for the insulation measurement carried out within the IVCK function also affect the settings for the single measurement MENU gt MQ EN 19 HITE PVCHECK 5 6 DB DATABASE MODULE MANAGEMENT The meter allows managing up to a maximum of 30 different types of PV modules further to a DEFAULT module not editable and not erasable which can be used as reference case when no piece of information about the type of module being tested is available
84. urrent by means of external clamp transducer Range mV Resolution mV Accuracy 1100 5 g 5 1100 0 1 0 5 rdg 0 6mV The value of current is ALWAYS displayed with a positive sign the value of current transduci ed in a voltage lower than 5mV is zeroed FS DC clamp A Resolution A Minimum read value A 1 lt FS lt 10 0 001 0 05 10 lt FS lt 100 0 01 0 5 100 lt FS lt 1000 0 1 5 DC power Vmis gt 150V Clamp FS A Range W Resolution W Accuracy 1 lt FS lt 10 0 000k 9 999k 0 001k 1 5 rdg 3dgt n Imis lt 10 FS 10 lt FS lt 100 0 00k 99 99k 0 01k 1 5 rdg 100 lt FS lt 1000 0 0k 999 9k 0 1k Imis gt 10 FS Vmis voltage at which power is measured Imis measured current Irradiance with HT304N reference cell Range mV Resolution mV Accuracy 1 40 0 0 02 1 0 rdg 0 1mV Temperature with probe type PT300N Range C Resolution C Accuracy 20 0 100 0 0 1 1 0 rdg 1 C EN 59 PVCHECK 10 2 TECHNICAL SPECIFICATIONS OF THE IVCK FUNCTION DC Voltage OPC Range V Resolution V Accuracy 5 0 199 9 0 1 o 200 999 05 1 0 rdg 2dgt Minimum VPN voltage to start the test 15V DC Current OPC Range A Resolution A Accuracy 0 10 10 00 0 01 1 0 rdg 2dgt DC Voltage STC Range V Resolution V Accuracy
85. with ENTER The display shows the screen which allows gt Setting the instrument language gt Enabling disabling the auto power off function gt Adjusting display contrast gt Enabling the acoustic signal when pressing a key Use the arrow keys A W for option setting and select the desired option by means of the arrow keys P Press the SAVE key to save the settings made the message Data saved will be displayed for a few seconds Press the ESC MENU key to exit without saving and go back to the previous screen 2 EN 9 15 05 12 15 34 26 LOWQ PE Continuity test MQ Insulation test EFF Efficiency test SET Settings DB Archive modules MEM Recall Memory PC Trasf data to PC Press ENTER to sel MENU 15 05 12 15 34 26 General Measuring unit Date and Time Remote Unit Pyranometer Irradiance DC Clamp Press ENTER to sel SET 15 05 12 15 34 26 Res Language lt English Auto Power Off NO Contrast 40 Key Beep NO SAVE to store SET PVCHECK 5 1 2 Measuring unit This section allows setting the measuring units of some parameters included in the database DB for the management of PV modules see 5 6 when measuring IVCK 1 2 Position the cursor onto Measuring Unit by using the arrow keys A W and confirm with ENTER The display shows the screen which allows setting the measuring units of the following param

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