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EKO MP-11 Instruction Manual

I-v curve checker
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Summary of Contents for EKO MP-11

  • Page 2: Table Of Contents

    11- 1. Spec if ic a ti o n 11- 2. S oft ware 11- 3. O pt i on 11- 4. D im ens i o ns Pg. 1 EKO INSTRUMENTS CO., LTD. I-V Curve Checker MP-11 Instruction Manual Ver.7...

  • Page 3: Important User Information

    For warranty terms and conditions, contact EKO or your distributor for further details. EKO guarantees that the product delivered to customer has been verified, checked and tested to ensure that the product meets the appropriate specifications. The product warranty is valid only if the product has been installed and used according to the directives provided in this instruction manual.

  • Page 4: Environment,

    2. RoHS Directive 2002/95/EC EKO Instruments has completed a comprehensive evaluation of its product range to ensure compliance with RoHS Directive 2002/95/EC regarding maximum concentration values for substances. As a result all products are manufactured using raw materials that do not contain any of the restricted substances referred to in the...
  • Page 5 Low Voltage Directive : 2006/95/EC Date: May 28, 2014 Position of Authorized Signatory: Deputy General Manager of Quality Assurance Dept. Name of Authorized Signatory: Shuji Yoshida Signature of Authorized Signatory: Pg. 4 EKO INSTRUMENTS CO., LTD. I-V Curve Checker MP-11 Instruction Manual Ver.7...

  • Page 6: Safety Information

     Use ONLY the AC/DC adapter, which is assigned to the MP-11. Using other types of power adapters will cause potential risk for damage. EKO will NOT take responsibilities in case of damage or accidents occurrence with use of cables other than attached to MP-11. Data taken with other cables will NOT be assured.
  • Page 7 MP-11 or potential risk to the operator.  When using MP-11 at the outdoor field, make sure to connect the grounding wire to the grounding terminal. ...

  • Page 8: Introduction

    The MP-11 I-V Checker is capable to measure I-V curves based on the parameters (Vpm, Ipm, Pmax, Voc, Isc, FF, Tmod, ηeff) of any PV module types and arrays, also called strings. It is highly suitable during PV module installation, for making routine checks for inspection of energy yield, tracing module performance and potential defects and general maintenance checks.
  • Page 9 4. STC Conversion Compliance to IEC 60891 Standard MP-11 is capable to perform the STC conversion for crystalline PV modules complying to the IEC 60891 (and the JIS C8914/8919/8940) by using measured irradiance and module temperature. Therefore, if the module...
  • Page 10 I-V measurement and final STC conversion. The change of solar irradiance has a large impact with respect to the I-V curve measured by the IV checker with longer sweep time. The MP-11 perfectly measures the PV module performance.

  • Page 11: Package Content

    4- 2. Pac k ag e Co nte nts Check the package contents first; if any missing item or damage is noticed, please contact EKO immediately. Table 4-1 Package Contents Item Standard Items Qty. Remarks MP-11 Main Unit Main Unit contains the following items: Sensor Unit PV Probe &...
  • Page 12 6. Battery Receptacle Box 10. Ni-mH Battery Charger 11. 006P 9V Battery 12. Shoulder Strap 8. Accessory Carrying Pouch Figure 4-2. Accessories Included in the MP-11 Package Pg. 11 EKO INSTRUMENTS CO., LTD. I-V Curve Checker MP-11 Instruction Manual Ver.7...

  • Page 13: Getting Started

    10. Storage Space 11. USB Port 14. Strap Hooks 9. Earth Terminal Main Unit Rear Panel Main Unit Front Figure 5-1. Main Unit Parts Name and Functions Pg. 12 EKO INSTRUMENTS CO., LTD. I-V Curve Checker MP-11 Instruction Manual Ver.7...
  • Page 14 Push this latch button to and lift the cover to open the Main unit cover. Case Handle Insert your fingers here for carrying the main unit. Strap Hooks Shoulder straps are attached to these hooks. Pg. 13 EKO INSTRUMENTS CO., LTD. I-V Curve Checker MP-11 Instruction Manual Ver.7...
  • Page 15 Integrated pyranometer  IN, external pyranometer  EXT Sensor Terminal Block Reference cell, external pyranometer, temperature sensor (thermopile)1, temperature sensor (thermopile)2 can be connected. Base Plate Pg. 14 EKO INSTRUMENTS CO., LTD. I-V Curve Checker MP-11 Instruction Manual Ver.7...
  • Page 16 Tilt the battery receptacle box to insert it inside the storage space then fix it with battery receptacle box fixing plate in place using screws. Figure 5-4. Battery Receptacle Box in Storage Space Pg. 15 EKO INSTRUMENTS CO., LTD. I-V Curve Checker MP-11 Instruction Manual Ver.7...
  • Page 17 5- 2. S ys t em C onfi gu r atio n EKO has achieved composing a product with wide range of PV module/array capacity from 10W to 18kW and high measurement accuracy. MP-11 is capable for taking measurements with maximum rating voltage of 1000V and maximum rating current of 30A in the maximum power range of 18kW.
  • Page 18 Do not connect to PV array which ratings are more than 30A, 1000V and 18kW ratings. ※ To avoid any trouble with the use of MP-11, always turn ON the MP-11 firs then connect with PV module/array, and disconnect with PV module/array before turning OFF the MP-11.
  • Page 19 When error message appears, check for Sensor Unit power switch or modular cable connection; make sure the Sensor Unit is not turned to OFF. For more details on error message, see [8-2. Starting MP-11] and [9-2. Error & Warning Messages] Measurement With/Without Modular Cable Select either to take measurement with or without the modular cable connection.
  • Page 20 Do not place the Sensor Unit where high temperature radiation heat; the Sensor Unit may stop operation due to decrease in battery voltage by extreme temperature increase inside the unit. Pg. 19 EKO INSTRUMENTS CO., LTD. I-V Curve Checker MP-11 Instruction Manual Ver.7...

  • Page 21: Mp-11 Applications

     Reference Sections for details of each step Following steps are necessary steps to take prior to the measurements using MP-11. Neglecting to take these steps may lead to troubles such as unsuccessful measurements and measurement data with mismatched dates/time.
  • Page 22 8-5, 8-6 Display and analyze the measured data 3-1, 3-2 Disconnect the MP-11 from the PV module/array as the Main Unit power still turned Turn OFF the MP-11 Main Unit power. Disconnect the grounding cable from the MP-11 Main Unit.
  • Page 23 Irradiance Necessary to take irradiance, PV module temperature, and ambient  Temperature temperature measurements  To measure and analyze the PV module/array by using only MP-11 and some accessories. Required Items Configuration Image MP-11 Main Unit PV Probes (1.5m, Red 1pc, Black 1pc)
  • Page 24 PV module/array parameter setting Start measurement In case of using the Sensor Unit with cable-less connection to the Main Unit: Connect the Sensor Unit to MP-11 Main Unit and download the irradiance and temperature measurement data from the Sensor Unit. 8-5, 8-6...
  • Page 25 While the Sensor Unit power turned ON, disconnect the modular cable between the Sensor Unit and the Main Unit 3-1, 3-2 While the power is turned ON, connect the MP-11 to PV module/array. Setup the Measurement Parameters:  Check [Use Sensor Unit] ...
  • Page 26 Start measurement In case of using the Sensor Unit with cable-less connection to the Main Unit: Connect the Sensor Unit to MP-11 Main Unit and download the irradiance and temperature measurement data from the Sensor Unit. Display and analyze the measured data...
  • Page 27 Turn the MP-11 Main Unit power ON。 Turn ON the PC and startup the MP-11 I-V Checker Software Setup the communication port between the MP-11 Main Unit and the PC Setup the folder for loading the data. Start downloading the measured data...
  • Page 28 Turn the MP-11 Main Unit power ON。 Turn ON the PC and startup the MP-11 I-V Checker Software Setup the communication port between the MP-11 Main Unit and the PC Upload the measurement data to the MP-11 Main Unit. Verify the uploaded data on the MP-11 Main Unit Exit the MP-11 I-V Checker Software.
  • Page 29 Connect MP-11 Main Unit with P. Turn the MP-11 Main Unit power ON。 Setup the communication port between the MP-11 Main Unit and the PC Synchronize the date and time between the MP-11 Main Unit and the PC Setup the Measurement Parameters: ...
  • Page 30 Remove the grounding cable from MP-11 Main Unit. Disconnect the MP-11 Main Unit from the PC. Exit the MP-11 I-V Checker Software and shut down the PC. Reconnect the power conditioner and other related devices which were 3-1, 3-2 disconnected before taking measurement with MP-11.
  • Page 31 Turn ON the PC and startup the MP-11 I-V Checker Software Setup the communication port between the MP-11 Main Unit and the PC Pg. 30 EKO INSTRUMENTS CO., LTD. I-V Curve Checker MP-11 Instruction Manual Ver.7...
  • Page 32 Synchronize the date and time between the MP-11 Main Unit and the PC Setup the Measurement Parameters:  Check [Use Sensor Unit]  Auto or Manual Measurement Setting  Measurement Range  Select Irradiance Sensor Type  Enter Pyranometer/Reference Cell constant value ...
  • Page 33 Turn ON the PC and startup the MP-11 I-V Checker Software Setup the communication port between the MP-11 Main Unit and the PC Synchronize the date and time between the MP-11 Main Unit and the PC Pg. 32 EKO INSTRUMENTS CO., LTD. I-V Curve Checker MP-11 Instruction Manual Ver.7...
  • Page 34 Start measurement Display and analyze the measured data 3-1, 3-2 Disconnect the PV module/array from MP-11 while the power is still turned ON. Turn the MP-11 Main Unit power OFF. Turn the Sensor Unit power OFF. Disconnect the thermocouple cables from the Sensor Unit Disconnect the External Pyranometer from the Sensor Unit Disconnect the Sensor Unit from MP-11 Main Unit.

  • Page 35: I-V Curve Shape And Possible Cause

    Voc compensating reverse bias effect (There is no error on I-V curve itself) Unexpected shape with stepped missing part ・ A few modules (or clusters) with low irradiation or small shadow. Pg. 34 EKO INSTRUMENTS CO., LTD. I-V Curve Checker MP-11 Instruction Manual Ver.7...
  • Page 36 Degradation of interconnect in module Unexpected shape with steep slope from Isc ・ Small parallel resistance of module. ・ Damaged bypass diode in connection box of module Pg. 35 EKO INSTRUMENTS CO., LTD. I-V Curve Checker MP-11 Instruction Manual Ver.7...

  • Page 37: Mp-11 Operation

    3, G, H, I 9, Y, Z, @ 4, J, K, L 0, /, *, # 5, M, N, O . , [SPACE] 6, P, Q, R +/-, & Pg. 36 EKO INSTRUMENTS CO., LTD. I-V Curve Checker MP-11 Instruction Manual Ver.7...
  • Page 38 3. [Powering on Sensor Unit] Message On MP-11, there is a function to synchronize the time between the Main Unit and Sensor Unit when the Main Unit is powered ON. If the Sensor Unit is not connected to the Main Unit or Sensor Unit power is not turned ON even though it is connected to the Main Unit, the “Powering on Sensor unit.”...
  • Page 39 Unit may not be able to read the Sensor Unit data or may read the unmatched data from the Sensor Unit. 4. Powering OFF the MP-11 To turn OFF the MP-11 power, press and hold the POWER key for a while. The power is turned off after “Shutdown Running”...
  • Page 40 Module temp: 0.0℃ temp2: 0.0℃ Module temp: Terminal input temperature Voc: 0.00 V temp2: Terminal input temperature Monitor Screen Voc: Open Circuit Voltage Voc :(PV terminal voltage) Pg. 39 EKO INSTRUMENTS CO., LTD. I-V Curve Checker MP-11 Instruction Manual Ver.7...
  • Page 41 Menu screen. There are following options for the Measurement Parameter Setting screen. EDIT: Edit parameter MEAS PAR SELECT: Select registered parameter ERASE: Delete parameter EDIT SELECT ERASE Measurement Parameter Setting Pg. 40 EKO INSTRUMENTS CO., LTD. I-V Curve Checker MP-11 Instruction Manual Ver.7...
  • Page 42 On the next page, steps are described on how to edit the parameters MAIN UNIT ONLY in the cases of using the Sensor Unit and Main Unit Only. Sensor Unit Option Screen Pg. 41 EKO INSTRUMENTS CO., LTD. I-V Curve Checker MP-11 Instruction Manual Ver.7...
  • Page 43 ]”. NOTE: When reference cell is used, connect it to the REF terminal. NOTE: Reference cell which flows more than 500mA cannot be connected to REF terminal. Pg. 42 EKO INSTRUMENTS CO., LTD. I-V Curve Checker MP-11 Instruction Manual Ver.7...
  • Page 44 Select [ERASE] from the Parameter Menu screen using the Up/Down buttons; the [PARAMETER LIST] is displayed. Bring the cursor to the parameter name which to be deleted and press [Enter] button to delete. Pg. 43 EKO INSTRUMENTS CO., LTD. I-V Curve Checker MP-11 Instruction Manual Ver.7...
  • Page 45 Below are the options available on the System menu screen. [DATE & TIME SET] Date & time setting [LCD CONTRAST] LCD contrast adjustment [LOADING SENSOR DATA] Downloading Sensor Unit data to the Main Unit System Menus Pg. 44 EKO INSTRUMENTS CO., LTD. I-V Curve Checker MP-11 Instruction Manual Ver.7...
  • Page 46 Sensor Unit data are loaded on another day. Same problem may occur when the Main Unit and the Sensor Unit were synchronized with time successfully. Pg. 45 EKO INSTRUMENTS CO., LTD. I-V Curve Checker MP-11 Instruction Manual Ver.7...
  • Page 47 NOTE: When Battery Receptacle Box is used during the measurement, the auto power off function will be effective. If there is no key operation performed, the power automatically shuts down within 10 minutes to save the energy. Pg. 46 EKO INSTRUMENTS CO., LTD. I-V Curve Checker MP-11 Instruction Manual Ver.7...
  • Page 48 The crossing point of curve on the x-axis (voltage) is called Open Circuit Voltage, Voc, and the crossing point of curve on the y-axis I-V Curve Graph (current) is called Short Circuit Current, Isc. Pg. 47 EKO INSTRUMENTS CO., LTD. I-V Curve Checker MP-11 Instruction Manual Ver.7...
  • Page 49 700W/m . Also all PV module parameters: α, β, K, Rs, and module area are filled in the parameter setting screen. Pg. 48 EKO INSTRUMENTS CO., LTD. I-V Curve Checker MP-11 Instruction Manual Ver.7...
  • Page 50 Irr vs Voc Irr vs Isc Ｉ Irr vs. Voc Graph Irr vs. Isc Graph Irr vs Pm Irr vs FF Irr vs. FF Graph Irr vs. Pm Graph Pg. 49 EKO INSTRUMENTS CO., LTD. I-V Curve Checker MP-11 Instruction Manual Ver.7...
  • Page 51 The data uploaded from PC, which are numbered from 301 and up, can be deleted only from the software by connecting the PC to the Main Unit. Pg. 50 EKO INSTRUMENTS CO., LTD. I-V Curve Checker MP-11 Instruction Manual Ver.7...

  • Page 52: Software

    9. Software This software is dedicated software for MP-11. The data measured with MP-11 Main Unit is downloaded to PC and they can be analyzed on this software. It also allows measurement control. The measured data can be converted into text data in CSV format and processed with spreadsheet software, such as Microsoft® Excel.
  • Page 53 [Select Installation Folder] window appears. Assign a folder where the software to be installed. If you wish to install the software in the [C:¥EKO] folder, click [Next] button to go to the next step. To install the software in a specific folder, select the folder by clicking [Change] button.
  • Page 54 Figure 9-1-5. User Account Control Window [Installation Complete] window Once the installation has completed, following window appears. Click [Finish] button to close the installer wizard window. Figure 9-1-6. Installation Complete Window Pg. 53 EKO INSTRUMENTS CO., LTD. I-V Curve Checker MP-11 Instruction Manual Ver.7...
  • Page 55 Following message appears; to surely delete the software, click [YES] button. After a while the program disappears from the [Program and Function] list, and the uninstallation can be confirmed. Figure 9-1-9. User Account Control Message Pg. 54 EKO INSTRUMENTS CO., LTD. I-V Curve Checker MP-11 Instruction Manual Ver.7...
  • Page 56 “Modify (M)”, “Repair (P)”, and “Remove (R)” if the software is already installed in this PC. Select “Remove (R)” and click [NEXT] button. Follow the instruction provided by the wizard to start the uninstallation process. Figure 9-1-10. Uninstalling from the CD-ROM Pg. 55 EKO INSTRUMENTS CO., LTD. I-V Curve Checker MP-11 Instruction Manual Ver.7...
  • Page 57 9- 2. US B Dri v er In s tall ati on 1. USB Driver Installation The USB for MP-11 uses the device driver software by Future Technology Devices International Ltd. (FTDI). There are 2 driver software provided by FTDI. Both driver softwares are included in the attached CD.
  • Page 58 PC or other USB device driver is installed and conflicting the port numbers. In such case change the port number to unoccupied number to avoid conflicts or uninstall and reinstall the both drivers. Pg. 57 EKO INSTRUMENTS CO., LTD. I-V Curve Checker MP-11 Instruction Manual Ver.7...
  • Page 59 Figure 9-2-6. USB Driver Install Confirmation properly”. Then finally the USB serial converter driver and USB Serial Port Driver software installations are completed. Figure 9-2-7. USB Serial Port Property Window Pg. 58 EKO INSTRUMENTS CO., LTD. I-V Curve Checker MP-11 Instruction Manual Ver.7...
  • Page 60 On “Format” tab, click [Additional Setting] button to open a dialog “Custom Format”, “Number” tab, “Symbol for decimal point (D):” ※ If the system locale (one of the language setting) for the OS is changed, the fonts may get corrupted. Pg. 59 EKO INSTRUMENTS CO., LTD. I-V Curve Checker MP-11 Instruction Manual Ver.7...
  • Page 61 9- 3. So ft wa re O pe ra ti o ns To operate the MP-11 from PC using this software, connect the MP-11 Main Unit and PC with attached USB cable and turn ON the Main Unit power. To start this software, go to [Start]  [EKO]  [MP-11].
  • Page 62 COM number does not show; in such case, change the COM port number from the Device Manager. Figure 9-3-2 General Setting Pg. 61 EKO INSTRUMENTS CO., LTD. I-V Curve Checker MP-11 Instruction Manual Ver.7...
  • Page 63 (5) Select a folder for Converted Data Folder to save the converted data. Click [OK] button after the setting is completed. Click [Cancel] button to clear all entered information. Pg. 62 EKO INSTRUMENTS CO., LTD. I-V Curve Checker MP-11 Instruction Manual Ver.7...
  • Page 64 The parameters setting uploaded from PC to MP-11 Main Unit cannot be saved on the MP-11 Main Unit memory. To download the parameters setting which is saved in the MP-11 to the PC software, click [Download] button. By using this button, the uploaded parameters setting can be downloaded back to PC software and verify the contents.
  • Page 65 Figure 9-3-6. Temperature Settings After the values are entered, click [OK] button. To clear all entered values, click [Cancel] button. Pg. 64 EKO INSTRUMENTS CO., LTD. I-V Curve Checker MP-11 Instruction Manual Ver.7...
  • Page 66 Setup the parameters according to the procedures described in above section. Connect the PV probes to the MP-11 Main Unit and turn ON the Main Unit power then clamp the PV module/array terminal blocks with alligator clips on the PV probes.
  • Page 67 Loading Data After taking a measurement only by using the MP-11 Main Unit and while the MP-11 Main Unit and the PC are connected with USB cable, the measured data can be downloaded to the PC software from the MP-11 Main Unit memory by clicking the [Load Data] button.
  • Page 68 Data Upload/Erase Enter the data number here, and click [Upload] to upload the data from PC to MP-11 Main Unit, or [Erase] to erase the data from MP-11 Main Unit. Name filter Narrows down the data search by PV module/array name.
  • Page 69 There are 7 characteristics which can be selected to show on a graph by placing check(s) on the item(s). The color of each graph line can be selected from the pallet by clicking the [Line Color] button. Figure 9-3-15. Graph Settings Pg. 68 EKO INSTRUMENTS CO., LTD. I-V Curve Checker MP-11 Instruction Manual Ver.7...
  • Page 70 Figure 9-3-17. Superimposing Graph Setting Data Upload/Erase Data uploading is to transfer the measured data into the MP-11 Main Unit memory. There are up to 300 measurement data can be saved by assigning the memory numbers from 001 to 300. The data uploaded from PC side can be also saved up to 120 measurement data, which are assigned with numbers from 301 to 420.
  • Page 71 Data List, and click the [Upload] button will upload this selected measurement data to the MP-11 Main Unit memory. The uploaded measurement data is assigned to the memory numbers between 301 through 420 section in the MP-11 Main Unit memory.
  • Page 72 Below window will show when the Save tab is clicked. Since the data measured by MP-11 are not in a format which can be viewed on spreadsheet software, such as Microsoft Excel, the measurement data are converted in CSV file format (which can be viewed on spread sheet software) on this tab, and saved in a specified folder.
  • Page 73 Select “Create Report” and measurement data then click [Convert] button; the simple report file is created in Excel format in the specified folder. Figure 9-3-20. Create Reports Figure 9-3-21. Report file Pg. 72 EKO INSTRUMENTS CO., LTD. I-V Curve Checker MP-11 Instruction Manual Ver.7...
  • Page 74 The report file format can be customized. In order to customize the report format, Microsoft Excel application is required. Open the “Format.xls” file which is included in the MP-11 software install folder. Make changes to the report format by editing the “Format” sheet in this file.
  • Page 75 From the [Line Color] button, each graph line color can be changed to desired color. View Graph Button Click this button to show the subjected data graph. Pg. 74 EKO INSTRUMENTS CO., LTD. I-V Curve Checker MP-11 Instruction Manual Ver.7...
  • Page 76 The changes in the open circuit current against the irradiance can be graphed from the data acquired by the continuous measurements; the Irradiance (W/m ) on X-asis and Open Circuit Current (Isc, A) on the Y-axis. Figure 9-3-25. Irradiance vs. Short Circuit Current Graph Pg. 75 EKO INSTRUMENTS CO., LTD. I-V Curve Checker MP-11 Instruction Manual Ver.7...
  • Page 77 The changes in the fill factor, F.F., against the irradiance can be graphed from the data acquired by the continuous measurements; the Irradiance (W/m ) on X-asis and Fill Factor (F.F.) on the Y-axis. Figure 9-3-27. Irradiance vs. Fill Factor Graph Pg. 76 EKO INSTRUMENTS CO., LTD. I-V Curve Checker MP-11 Instruction Manual Ver.7...
  • Page 78 Sequential number Date (mmdd) Year File Prefix Character  File Prefix Character Rule Maximum Character Quantity: 16 Usable Prefix Characters: Alphanumeric characters, -(hyphen)、_(under-bar) Head Character: Only alphanumeric characters Pg. 77 EKO INSTRUMENTS CO., LTD. I-V Curve Checker MP-11 Instruction Manual Ver.7...
  • Page 79 *) 402 pairs of voltage and current are stored in CSV file. *) The first pair shows data of Isc point. The last pair shows data of Voc point. Pg. 78 EKO INSTRUMENTS CO., LTD. I-V Curve Checker MP-11 Instruction Manual Ver.7...
  • Page 80 3. Characteristics Conversion Data File (CSV File Conversion) By selecting the Characteristics Conversion, following data format is generated. Pg. 79 EKO INSTRUMENTS CO., LTD. I-V Curve Checker MP-11 Instruction Manual Ver.7...

  • Page 81: Maintenance & Troubleshooting

    To maintain accurate measurement, it is recommended to check and do the following: 1. Storage Condition If the MP-11 is not used for a long period of time, remove the batteries from the Battery Receptacle Box and place the MP-11 in a place with less humidity. Insert new batteries before use.
  • Page 82 CONNECTION! Check the PV probe polarity and reconnect as necessary. MP-11 is not ready, and at least 30 seconds interval is required between each Not ready for measurement. This is to prevent MP-11 from aging faster by the internal parts ！...
  • Page 83 Taking measurements on PV module/array which is close to or exceeding the MP-11 maximum rating. In case of a. or b., turn OFF the power and leave the MP-11 in a shaded cooler place for a while until the internal temperature cools down. When restarting the measurement, place the MP-11 Main Unit in a shade while it takes measurements.
  • Page 84 Taking measurements on PV module/array which is close to or exceeding the MP-11 maximum rating. In case of a. or b., turn OFF the power and leave the MP-11 in a shaded cooler place for a while until the internal temperature cools down.
  • Page 85 MP-11 failure had occurred. Check the cable connection condition between the PC and MP-11 Main Unit; make sure the MP-11 power is turned ON then retry the [Set Clock] button. If this error message still appears, contact EKO for further assistance.
  • Page 86 ・ Make sure the PV module/array capacity is not exceeding the MP-11 I-V Curve cannot be measured. measureable range limit. ・ Fuse may be blown. MP-11 is a precision instrument; DO NO OPEN the instrument to prevent secondary accident. Immediately contact EKO for fuse replacement.
  • Page 87 Follow the instructions described in the section [9-1. Installing Software on assigned folder even after data Windows Vista/7] loading from the Main Unit to PC has been performed. (When OS is Windows 7) Pg. 86 EKO INSTRUMENTS CO., LTD. I-V Curve Checker MP-11 Instruction Manual Ver.7...

  • Page 88: Specification

    *) Depending on the characteristics of PV module/array and power generating condition in these areas, large measurement error or faulty I-V curve may be seen in results. Pg. 87 EKO INSTRUMENTS CO., LTD. I-V Curve Checker MP-11 Instruction Manual Ver.7...
  • Page 89 Disconnect Sensor Unit from Main Unit, log the sensor data then upload the Sensing sensor data by I-V measurement timing as Sensor Unit connected after the Functions measurements to execute the STC conversion. Pg. 88 EKO INSTRUMENTS CO., LTD. I-V Curve Checker MP-11 Instruction Manual Ver.7...
  • Page 90 Power automatically turned OFF with external battery Auto Power operation at less than a certain voltage, and no operation Off Function performed for 10 minutes. (No auto power off during auto measurement mode) Pg. 89 EKO INSTRUMENTS CO., LTD. I-V Curve Checker MP-11 Instruction Manual Ver.7...
  • Page 91 -20℃ to 70℃ (Stored in original packaging) Temperature Range Storage Environment Humidity Range 30%RH to 65%RH (Stored in original packaging) *) All specifications are subject to being changed without any notice. Pg. 90 EKO INSTRUMENTS CO., LTD. I-V Curve Checker MP-11 Instruction Manual Ver.7...
  • Page 92 Displaying range, graph curve color setting Superimposing display: By selecting multiple data, all data are displayed on the same graph by superimposed mode. (Max 10 data) Pg. 91 EKO INSTRUMENTS CO., LTD. I-V Curve Checker MP-11 Instruction Manual Ver.7...
  • Page 93  Simple Report Output: Creating report of specified measurement data results in Microsoft Excel format. Report format can be modified by Microsoft Excel *) ”Excel“ is a brand name by Microsoft Pg. 92 EKO INSTRUMENTS CO., LTD. I-V Curve Checker MP-11 Instruction Manual Ver.7...

  • Page 94: Option

    1 plug for AC Plug type conversion from A-type to C-type MP-11-CP-C Ni-mH battery charger Including 8 AA size Low Self-discharge Ni-mH rechargeable MP-11-BB (8 AA size batteries) batteries Pg. 93 EKO INSTRUMENTS CO., LTD. I-V Curve Checker MP-11 Instruction Manual Ver.7...
  • Page 95 11 -4 . Dim ens i ons Pg. 94 EKO INSTRUMENTS CO., LTD. I-V Curve Checker MP-11 Instruction Manual Ver.7...

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