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Fluke SMFT-1000 User Manual Download Page 27

Multifunction PV Analyzer

Test Setup

23

Quick V

OC

/I

SC

 Measurement

You can take a quick V

OC

/I

SC

 measurement without connecting the Irradiance Meter or 

PV model. Pass/Fail limits or Irradiance data do not show with this type of measurement.
To take a measurement:
1. Turn the rotary switch on the PV Analyzer to 

V

OC

/I

SC

.

2. Connect the test leads to the solar panel. The V

OC

 measurement automatically shows on 

the display.

Tip: Push 

 to see a connection diagram.

Voltage symbol is on when voltage is 

≥

50 V.

3. Push 

 to start the I

SC

 measurement.

The V

OC

 and I

SC

 results show on the display. The Pass/Fail icons do not show in this 

configuration.

4. Push 

 to save the results to memory.

A confirmation message with ID number shows on the display and then returns to the test 

screen.

V

OC

/Operational Current Measurement

Operational current as alternative method for I

SC

 as required by IEC 62446-1 Clause 6.5.3. 

To take a measurement:
1. Connect the PV string to the inverter and switch the system to on and normal operation 

mode (inverter must be at maximum power point).
It is useful to connect two Y-connectors in between so you can measure the string voltage 

in parallel.

2. Turn the rotary switch to 

V

OC

/I

SC

.

3. Connect the test leads to the solar panel.

The V

OC

 measurement automatically shows on the display.

Tip: Push 

 to see a connection diagram.

Shop for Fluke products online at:

1.888.610.7664

www.

MyFlukeStore

.com

Summary of Contents for SMFT-1000

Page 1: ...ual 11 2022 English 2022 Fluke Corporation All rights reserved Specifications are subject to change without notice All product names are trademarks of their respective companies Shop for Fluke products online at 1 888 610 7664 www MyFlukeStore com ...

Page 2: ...ranty service contact your nearest Fluke authorized service center to obtain return authorization information then send the product to that service center with a description of the difficulty postage and insurance prepaid FOB Destination Fluke assumes no risk for damage in transit Following warranty repair the product will be returned to Buyer transportation prepaid FOB Destination If Fluke determ...

Page 3: ... 1 Tests 16 Visual Inspection 16 Continuity of Protective Earthing and Equipotential Bonding Conductors 17 Set Limits 17 Resistance Test RLO 18 Resistance of Earthing and Equipotential Bonding Conductors 18 Lightning Protection Conductor Wiring 18 Grounding System 19 Polarity Test 19 PV String Combiner Box 19 PV String 20 Voltage Current Test VOC ISC 21 Select PV Model 22 Paired with Irradiance Me...

Page 4: ...Keep the Leads 28 Test Method 2 Default 29 Continuous Measurement 30 Wet Insulation Resistance Test 31 I V Curve Test 32 Additional Tests 33 Bypass Diode Test 33 Blocking Diode Test 35 Continuous Diode Test 36 Surge Protection Device SPD Test 38 Auto Test Sequence 39 Menu 40 Download Test Results 40 Download PV Model Data 41 Maintenance 41 Fuse Replacement 42 Battery Replacement 43 Product Disposa...

Page 5: ... 100 V 250 V 500 V 1000 V Blocking diode measurement VBD with Method 1 and Method 2 IEC 62446 1 Bypass diode measurement of panel when covered or in darkness Surge protection device SPD Functional test Power measurements on DC and AC side to check efficiency Voltage DC AC measurement Current DC AC measurement with clamp adapter i100 Functional test checklist Category 2 test regime Solar panel stri...

Page 6: ...between Red and Blue terminals 700 V ac Size L x W x H 10 0 cm x 25 0 cm x 12 5 cm 3 8 in x 9 8 in x 4 9 in Weight with batteries 1 4 kg 3 09 lb Battery 6 x AA Alkaline IEC LR6 Battery Life up to 1000 measurements Fuse F2 FF 630 mA 1000 V IR 30 kA 6 3 x 32 mm F1 gPV DC 1000 V 20 A IR 30 kA L R 2 ms 10 mm x 38 mm Temperature Operating 0 C to 50 C 32 F to 122 F Storage 30 C to 60 C 22 F to 140 F bat...

Page 7: ... to 2000 Ω 200 Ω to 2000 Ω 1 Ω 5 2 Digit Test current 200 mA 2 Ω RCOMP 1 Test voltage 4 VDC to 10 VDC Polarity reversing Yes Test lead zero Rcomp up to 3 Ω Live circuit detection Inhibits test if terminal voltage 50 V ac dc typical detected prior to initiation of test 1 The number of 200 mA 0 1 Ω continuity tests with a set of new batteries is 1000 Display Range Measurement Range Resolution Accura...

Page 8: ...minal voltage 15 V ac typical detected prior to initiation of test Maximum capacitive load Operable with up to 2 μF at 1MΩ Note The number of insulation tests with a new set of batteries is 900 at 1000V 1 MΩ Display Range Measurement Range Resolution Accuracy 0 00 V dc to 6 00 V dc 0 50 V dc to 6 00 V dc 0 01 V dc 5 10 Digit Live circuit detection Inhibits test if terminal voltage 50 V ac dc typic...

Page 9: ...thout cap CAT II 1000 V 10 A AC285 Alligator Clips CAT III 1000 V 10 A Display Range Measurement Range Resolution Accuracy DC AC 50 Hz 60 Hz 0 0 A dc to 100 A dc 1 0 A dc to 100 A dc 0 1 A 5 2 Digit 1 0 0 A ac to 100 A ac TRMS 1 0 A ac to 100 A ac TRMS 1 i100 clamp tolerance not inclusive See i100 Clamp Tolerances Measurement Range Output Signal Accuracy DC AC 50 Hz 60 Hz Maximum Hysteresis 1 A to...

Page 10: ...C Class A Equipment Industrial Broadcasting Communication Equipment Class A Equipment meets requirements for industrial electromagnetic wave equipment and the seller or user should take notice of it This equipment is intended for use in business environments and not to be used in homes USA FCC 47 CFR 15 subpart B Intentional Radiators This device complies with part 15 of the FCC Rules Operation is...

Page 11: ...lyzer Kit Contents Table 2 is a list of the contents in your kit Table 2 Kit Contents Item Description FlukePack30 Professional Tool Backpack SMFT 1000 Multifunction PV Analyzer IRR2 BT Wireless Solar Irradiance Meter i100 AC DC Current Clamp 100 A 1 2 3 5 6 4 7 9 8 10 11 12 13 14 15 16 17 i100 AC DC SOLAR CURRENT CLAMP OUTPUT 10mV A Shop for Fluke products online at 1 888 610 7664 www MyFlukeStor...

Page 12: ...e with Remote Test Button TL1000 MC4 Test Lead Set Male and Female Coupler Set Fuse Pack TL1000 30M 30 m Test Lead on Reel TL1000 KIT Test Lead Kit IR Optical to USB Adapter Cable not shown 6 x AA Alkaline IEC LR6 for SMFT 1000 not installed 4 x AA Alkaline IEC LR6 for IRR2 BT not installed 2 x AA Alkaline IEC LR6 for i100 not installed Table 2 Kit Contents cont Shop for Fluke products online at 1...

Page 13: ...ors and lightning protection conductor wiring V POLARITY Polarity test VOC ISC Open circuit voltage short circuit current FUNC PAC DC Power voltage current and functional checklist RINS Insulation resistance I V CURVE Graph of VOC tests for the maximum voltage and ISC tests for the maximum current that a solar panel produces with standard test conditions Blocking bypass Diode and Surge Protection ...

Page 14: ... and instructions for setup and test function based on rotary dial position Save Function selection Use the up down button to select features on the display See specific test instructions for more information Power on off Backlight on off and intensity Continuously push to cycle through the intensity levels Start the selected test W Voltage warning 2 1 3 4 8 5 6 7 Shop for Fluke products online at...

Page 15: ...re information about the test function Display Table 5 is an example of the display and components Table 5 Display Item Component Description Navigation Shows the options for Date Time Stamp Date and time Battery Status Shows the status of battery power Menu Selected function is highlighted Use to change the selection Push to open the options for the selection Menu Options Shows the options availa...

Page 16: ...his decreases the possibility of arc flash from short circuits The IR infrared port allows you to connect the Tester to a computer and download the test data with TruTest Data Management Software documentation With this software you can collect organize and display the test data See Download Test Results for additional information on using the IR port Table 6 Terminals Item Description Red Socket ...

Page 17: ...nputs red and green or blue and green V 50 0 V 1 6 Pre test Automatic Irregular voltage detected between inputs red and blue V 1020 V DC 720 V AC MINUS when V 5 0 V 1 7 Pre test Automatic Irregular voltage detected between inputs green and yellow V 720 0 V 2 1 Automatic Test Overheating over temperature 3 1 Automatic Test Memory overload 4 1 Test Post test Fuse F1 Failed Internal test indicates th...

Page 18: ...the possibility of arc flash from short circuits When you measure the Continuity RLO of equipotential bonding conductors and lightning protection conductor wiring the test leads have a small amount of inherent resistance that can affect a measurement Before you do a continuity test use the zero adapter to compensate for or zero the test leads See Figure 1 Figure 1 Zero Adapter Configuration F2 F3 ...

Page 19: ...zer and Irradiance Meter via wireless connection See Pair PV Analyzer to the Irradiance Meter To power on the PV Analyzer 1 Push for 1 s to turn on the PV Analyzer The displays shows a startup screen with the firmware version 2 Push for 2 s to turn off the PV Analyzer Pair PV Analyzer to the Irradiance Meter For first time use you must pair the PV Analyzer Analyzer with the Irradiance Meter 1 Turn...

Page 20: ...continuously records data for up to 17 hours An option to manually enter irradiance and temperature measurements is available For more information see I V Curve Test Note If the Irradiance Meter is installed on the panel move the PV Analyzer within the wireless range IEC 62446 1 Category 1 Tests Visual Inspection IEC regulations require a visual inspection of the Solar System The PV Analyzer provi...

Page 21: ...change the limits after the measurement is taken If you change the limit you must repeat the measurement Set Limits The regulatory limit is based on the length of the cable used in the test To set 1 Turn on the PV Analyzer 2 Turn the rotary switch to 3 Use or to highlight an option 4 Push to edit the option The Manual Entry screen shows on the display 5 Push to open the Adjustment menu 6 Use to ch...

Page 22: ...easurement RLO followed by a second short measurement RLO with reversed polarity The PV Analyzer shows both results when the measurement is complete and selects the highest measurement worst as the main result Based on the chosen limit all three results are determined as PASS or FAIL The PV Analyzer also shows the value of the test current applied during the resistance test IRLO Lightning Protecti...

Page 23: ...nnected to the test leads For voltages 5 V the PV Analyzer determines the measurements as or All positive voltage show as PASS and all negative voltages as FAIL If ac voltage is detected a warning shows on the display PV String Combiner Box This test procedure verifies to IEC 62446 1 Clause 6 3 Do this test before any string fuses or connectors are connected for the first time Connect all negative...

Page 24: ...se tests are not to be taken as a measure of module array performance Compare the results of the short current measurement with solar panel specifications The PV Analyzer does all calculations automatically if solar panel specifications are linked and Irradiance Temperature measurements are transferred from the Irradiance Meter Operational test method Alternative test method for ISC see IEC 62446 ...

Page 25: ...odel STC calculation limits calculated from irradiance and nominal values Irr Tcell data from the Irradiance Meter shows on the display 5 Connect the red test lead to positive connector of string and the blue test lead to negative connector of string Tip Push to see a connection diagram The VOC measurement shows on the display after you connect the test leads Note If the PV Analyzer detects revers...

Page 26: ...radiance Meter Only When the Irradiance Meter is connected and a PV model is not selected no limits are available The irradiance and temperature data from the Irradiance Meter shows on the display To take a measurement 1 Connect the test leads from the PV Analyzer to the solar panel The VOC measurement automatically shows on the display Tip Push to see a connection diagram The VOC measurement show...

Page 27: ... do not show in this configuration 4 Push to save the results to memory A confirmation message with ID number shows on the display and then returns to the test screen VOC Operational Current Measurement Operational current as alternative method for ISC as required by IEC 62446 1 Clause 6 5 3 To take a measurement 1 Connect the PV string to the inverter and switch the system to on and normal operat...

Page 28: ...se 6 6 Single Phase Inverter Performance Check Measure the dc power then ac power then compare efficiency To make a dc measurement 1 Turn the rotary switch on the PV Analyzer to FUNC PAC DC The display shows power in the blank state and is ready to compare the dc and ac measurements 2 Push to set the Efficiency Factor Limit 3 Connect the PV string to the inverter and switch the system to on and no...

Page 29: ... Phase Inverter Performance Check Measure the dc power then ac power L1 L2 L3 then compare efficiency To make a measurement 1 Turn the rotary switch on the PV Analyzer to FUNC PAC DC The display shows power in the blank state and is ready to check the 3 phase power 2 Push to toggle between Single Phase and 3 Phase power 3 Push to set the Efficiency Factor Limit 4 Push 5 Push to hold the dc measure...

Page 30: ...nected to the PV Analyzer 3 Connect the test leads to the circuit under test Tip Push to see a connection diagram The PV Analyzer automatically detects if the measurement is ac or dc voltage 4 Push to hold the measurement The measurement is on hold 5 Push to save the results to memory A confirmation message with ID number shows on the display and then returns to the test screen AC DC Current Measu...

Page 31: ... test 1 Turn the rotary switch on the PV Analyzer to FUNC PAC DC 2 Push to start to record the results of the functional tests 3 Use to highlight the different checklist items 4 Push and to select pass fail or N A for the highlighted row 5 Push Back to return to the Power test If any check boxes are filled in then is available All results show on the display until you clear for a new session regar...

Page 32: ...sitive terminal on the PV Array c Connect the blue test lead to negative terminal on the PV Array OR If ground point and frames are not bonded to earth point on site protection class II of installation a Connect the green test lead to PV Array frame b Connect the red test lead to positive terminal on the PV Array c Connect the blue test lead to negative terminal on the PV Array 3 Use the to select...

Page 33: ...s the Keep the Leads option 1 Turn the rotary switch on the PV Analyzer to RINS 2 Use to select the nominal test voltage VN selection 50 100 250 500 1000 V This value will trigger the limit setting 3 Connect the test leads to the PV Array Tip Push to see a connection diagram If ground point and frames are bonded to earth point on site a Connect the green test lead from green socket to ground b Con...

Page 34: ...s outside an acceptable threshold from the RINS test 1 or 2 use the Continuous test to find the exact location on the insulation where the resistance is failing See Continuous Measurement Continuous Measurement You can measure RINS between any two measurement points in the PV system This measurement helps to troubleshoot insulation faults on the wiring cables Fluke recommends that you remove the s...

Page 35: ...e array and wiring and then verifies that moisture will not enter active portions of the array electrical circuitry where it may enhance corrosion cause ground faults or pose an electrical safety hazard to personnel or equipment This test is especially effective for finding above ground defects such as wiring damage inadequately secured junction box covers and other similar installation issues It ...

Page 36: ...e PV model from the database When connected the I V Curve Table shows Irradiance live reading from the Irradiance Meter Cell Temperature live reading from the Irradiance Meter Nominal Values based on the PV model 2 Push to view the I V Curve Graph The I V Curve Graph shows Nominal Curve based on data from the PV model Area Curve shows the range of the min to max values of the Nominal Curve based o...

Page 37: ...ve the results to memory A confirmation message with ID number shows on the display and then returns to the test screen with blank STC and MEAS data Note A question mark shows on the PV model tab as a reminder to update the PV model data if necessary Additional Tests Diode tests are available to meet IEC 62446 1 Clause 8 2 requirements Bypass Diode Test Bypass Diodes prevent the current flowing fr...

Page 38: ...llow socket to the negative cathode W Caution For this test the modules should not generate any voltage or power The solar panel DUT must be completely shaded or in darkness 4 Push to start the measurement When the measurement is complete the display shows measured voltage of bypass diode measured current of bypass diode Passed and a short beep indicates the test passed when greater than the prese...

Page 39: ...ugh the array at night Blocking diodes can fail in both open and short circuit states This test is important for installations where blocking diodes are fitted To set 1 Turn the rotary switch on the PV Analyzer to The display shows the default Bypass Diode test mode 2 Push for the Blocking Diode test mode 3 Connect the test leads from the PV Analyzer to the blocking diode Tip Push to see a connect...

Page 40: ...h ID number shows on the display and then returns to the test screen Troubleshoot If the voltage is not within an acceptable range use the continuous test to find the diode that fails See Continuous Diode Test Continuous Diode Test Use the continuous diode test to test each diode of a PV cell and find the diode that fails To set 1 Turn the rotary switch on the PV Analyzer to The display shows the ...

Page 41: ...ults are less than the preset limits Measurement results refresh every second Note This test is a test that the voltage drop of the diode is within the expected range limit If the voltage drop is too low the diode is shorted if the voltage is OL then the diode is open Tip Fluke recommends that you repeat the test with reversed polarity connect yellow test lead to positive anode and connect green t...

Page 42: ...ush Back to return to the SPD test mode 4 Connect the test leads from the PV Analyzer to the PV Array Tip Push to see a connection diagram a Connect the blue test lead to one side of the surge protection device b Connect green test lead to the other side of the surge protection device 5 Push 1 s to start the measurement Note While the test results load X shows on the display until the test results...

Page 43: ...d or the Irradiance Meter is not connected If not connected after you push a Change the Test Type b Enter PV model information c Pair with Irradiance Meter See Pair PV Analyzer to the Irradiance Meter d Use to scroll until you see the Set VN option e Select VN only available for AUTO tests that include the RINS measurement f Select RLO limit g Follow the on screen prompts to zero the test leads Ti...

Page 44: ...e options for Memory Device Settings Help To open the Menu function 1 Turn the rotary dial to MENU 2 Use to highlight a menu item 3 Push to select the menu item Follow the instructions on the display Download Test Results You can download test measurements from the PV Analyzer to a PC for data management through the IR port To download test measurements with the IR port 1 Turn off the PV Analyzer ...

Page 45: ...nance XW Warnings To prevent possible electrical shock fire or personal injury Be sure that the battery polarity is correct to prevent battery leakage Repair the Product before use if the battery leaks Have an approved technician repair the Product Use only specified replacement parts Replace a blown fuse with exact replacement only for continued protection against arc flash Do not operate the Pro...

Page 46: ...3 To remove the battery door use a standard blade screwdriver to turn the battery door screws x3 one quarter turn counterclockwise 4 Replace the fuse 5 Replace the battery door 6 Turn the battery door screws one quarter turn clockwise to fasten the door 7 The battery voltage shows in the secondary display XW Warning To prevent possible electric shock or personal injury due to false readings Replac...

Page 47: ...section of this manual To replace the batteries see Figure 3 1 Push to turn off the PV Analyzer 2 Remove the test leads from the terminals 3 To remove the battery door use a standard blade screwdriver to turn the battery door screws x3 one quarter turn counterclockwise 4 Push the release latch and slide the battery holder out of the Tester 5 Replace the batteries 6 Replace the battery holder and t...

Page 48: ...lete personal data on the Product before disposal Remove batteries that are not integrated into the electrical system before disposal and dispose of batteries separately If this Product has an integral battery put the entire Product in the electrical waste Shop for Fluke products online at 1 888 610 7664 www MyFlukeStore com ...

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