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    Solar Cell IV Testing Equipment for Steady State Solar Simulators
    Solar Cell IV Testing Equipment for Flash Solar Simulators

    Sciencetech IV Measurement System Equipment for PV testing


    The Sciencetech Model SSIVT is an electrical current voltage (I-V) measurement system used to characterize photovoltaic cell performance -PV Solar Cell Testing-. This “IV Tester” works by setting the voltage and measuring the current while keeping the light source constant. Unique integrated software developed at Sciencetech is used to operate the system, measures the reference cell and temperature during IV measurements, generates and operates the solar cell IV measurement procedure and allows the customer calibration of a reference cell. It allows the tester to create multiple sequential pulses (typically 10~100 points selectable) to complete the IV curve measurements.

    Our Software interface and control programs are designed for operation with Keithley 2400 series source meters.

    Download I-V Measurement System Brochure
    Keithley Sourcemeter

    I-V Solar Cell Test Standard


    • ASTM E948. Standard Test Method for Electrical Performance of Photovoltaic Cells Using Reference Cells Under Simulated Sunlight.

    Sciencetech SciPV IV Measurement Software Included for Solar Cell Testing


    Sciencetech SciPV:IV desktop application allows for the sequencing of generic source-meters to run current voltage scans. SciPV:IV is configured for four-wire (probe) measurement. The software also gives the user the ability to configure measurement parameters like samples per point, IV points per measurement, sweep direction, etc. Files can also be loaded back into SciPV:IV for review. PV cell test parameter list: 

    Open Circuit Voltage (Voc)
    Short Circuit Current (Isc)
    Maximum Power (Pmax)
    Fill Factor
    Optimal Voltage
    Optimal Current
    Optimal Load
    Series Resistance
    Shunt Resistance
    Average Optical Power
    Cell Efficiency
    Thermal Coefficients Measurements ( Optional Upgrade)
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    The SSIVT is a complete electrical current-voltage (I-V) measurement system used to characterize photovoltaic cell performance. This current-voltage tester works by sampling current at different voltages of the photovoltaic cell with a variable impedance load. The system can generate I-V curve of samples like Solar cells.

    This I-V Measurement System has a 4 wire Kelvin configuration to remove the resistance effects of the leads and bias the cell at specific voltages.

    The I-V Testing Measurement System SSIVT-21C includes:

    A) Keithley SMU Model 2401
    -Power: 20 W
    -Max Voltage: 20V
    -Current Range: 1A

    B) Sciencetech's SciPV-IV Software for Windows-based control.
    Windows 7/10 32/64 bit

    C) RS232 to USB dongle

    The SSIVT-21C works with all Sciencetech Steady-State Solar Simulators.


    Compatible with Steady State (Continuous) Solar Simulators only. Do not use the SSIVT-21C measurement system with flash solar simulators – it is not compatible with them (because it uses a Keithley 2401).
    $ 8,981.00
    In stock
    The SSIVT is a complete electrical current-voltage (I-V) measurement system used to characterize photovoltaic cell performance. This current-voltage tester works by sampling current at different voltages of the photovoltaic cell with a variable impedance load. The system can generate I-V curve of samples like Solar cells.

    This I-V Measurement System has a 4 wire Kelvin configuration to remove the resistance effects of the leads and bias the cell at specific voltages.

    The I-V Testing Measurement System SSIVT-21C includes:

    A) Keithley SMU Model 2401
    -Power: 20 W
    -Max Voltage: 20V
    -Current Range: 1A

    B) Sciencetech's SciPV-IV Software for Windows-based control.
    Windows 7/10 32/64 bit

    C) RS232 to USB dongle

    The SSIVT-21C works with all Sciencetech Steady-State Solar Simulators.


    Compatible with Steady State (Continuous) Solar Simulators only. Do not use the SSIVT-21C measurement system with flash solar simulators – it is not compatible with them (because it uses a Keithley 2401).
    $ 8,981.00 8981.0 USD
    Price Valid only in North America

    The SSIVT is a complete electrical current-voltage (I-V) measurement system used to characterize photovoltaic cell performance. This current-voltage tester works by sampling current at different voltages of the photovoltaic cell with a variable impedance load. The system can generate I-V curve of samples like Solar cells.

    This I-V Measurement System has a 4 wire Kelvin configuration to remove the resistance effects of the leads and bias the cell at specific voltages.

    The I-V Measurement System SSIVT-20C includes:

    A) Keithley SMU, Model 2400
    - Power: 20W
    - Max V: 200V
    - Max I: 1A

    B) Sciencetech’s SciPV: IV Software for Windows-based control.
    - Windows 7/10 32/64bit

    C) RS232 to USB dongle

    The SSIVT-20C works with all Sciencetech Steady State Solar Simulators.

    Is compatible with other brands' steady state (continuous) solar simulators.

    $ 10,621.00
    In stock
    The SSIVT is a complete electrical current-voltage (I-V) measurement system used to characterize photovoltaic cell performance. This current-voltage tester works by sampling current at different voltages of the photovoltaic cell with a variable impedance load. The system can generate I-V curve of samples like Solar cells.

    This I-V Measurement System has a 4 wire Kelvin configuration to remove the resistance effects of the leads and bias the cell at specific voltages.

    The I-V Measurement System SSIVT-20C includes:

    A) Keithley SMU, Model 2400
    - Power: 20W
    - Max V: 200V
    - Max I: 1A

    B) Sciencetech’s SciPV: IV Software for Windows-based control.
    - Windows 7/10 32/64bit

    C) RS232 to USB dongle

    The SSIVT-20C works with all Sciencetech Steady State Solar Simulators.

    Is compatible with other brands' steady state (continuous) solar simulators.

    $ 10,621.00 10621.0 USD
    Price Valid only in North America

    The SSIVT is a complete electrical current-voltage (I-V) measurement system used to characterize photovoltaic cell performance. This current-voltage tester works by sampling current at different voltages of the photovoltaic cell with a variable impedance load. The system can generate I-V curve of samples like Solar cells.

    This I-V Measurement System has a 4 wire Kelvin configuration to remove the resistance effects of the leads and bias the cell at specific voltages.

    The I-V Measurement System SSIVT-20F includes:

    A) Keithley SMU, Model 2400
    - Power: 20W
    - Max V: 200V
    - Max I: 1A

    B) Sciencetech’s SciPV: IV Software for Windows-based control.
    - Windows 7/10 32/64bit

    C) RS232 to USB dongle

    Additional monitoring electronics are provided flash IV measurement

    The SSIVT-20F works with all Sciencetech Flash Solar Simulators.


    $ 11,625.00
    In stock
    The SSIVT is a complete electrical current-voltage (I-V) measurement system used to characterize photovoltaic cell performance. This current-voltage tester works by sampling current at different voltages of the photovoltaic cell with a variable impedance load. The system can generate I-V curve of samples like Solar cells.

    This I-V Measurement System has a 4 wire Kelvin configuration to remove the resistance effects of the leads and bias the cell at specific voltages.

    The I-V Measurement System SSIVT-20F includes:

    A) Keithley SMU, Model 2400
    - Power: 20W
    - Max V: 200V
    - Max I: 1A

    B) Sciencetech’s SciPV: IV Software for Windows-based control.
    - Windows 7/10 32/64bit

    C) RS232 to USB dongle

    Additional monitoring electronics are provided flash IV measurement

    The SSIVT-20F works with all Sciencetech Flash Solar Simulators.


    $ 11,625.00 11625.0 USD
    Price Valid only in North America

    The SSIVT is a complete electrical current-voltage measurement system used to characterize photovoltaic cell performance. This current-voltage tester works by sampling current at different voltages of the photovoltaic cell with a variable impedance load.

    This IV measurement system has a separate terminal interface for voltage and current measurements. Each IV curve dataset is saved as a separate ASCII text file.

    This I-V Testing Measurement System has a 4 wire Kelvin configuration to remove the resistance effects of the leads and bias the cell at specific voltages.

    The I-V Measurement System SSIVT-T20C includes:

    A) Keithly Model 2450 - Touchscreen
    .Power: 20 W
    .Max Voltage: 200V
    .Current Range: 1A

    B) Sciencetech's SciPV-IV Software for Windows-based control.
    .Windows 7/10 32/64 bit

    C) RS232 to USB dongle

    The SSIVT-2KC works with all Sciencetech Steady State Solar Simulators.

    Compatible with Steady State (Continuous) Solar Simulators only.

    See brochure for more details.
    $ 12,500.00
    In stock
    The SSIVT is a complete electrical current-voltage measurement system used to characterize photovoltaic cell performance. This current-voltage tester works by sampling current at different voltages of the photovoltaic cell with a variable impedance load.

    This IV measurement system has a separate terminal interface for voltage and current measurements. Each IV curve dataset is saved as a separate ASCII text file.

    This I-V Testing Measurement System has a 4 wire Kelvin configuration to remove the resistance effects of the leads and bias the cell at specific voltages.

    The I-V Measurement System SSIVT-T20C includes:

    A) Keithly Model 2450 - Touchscreen
    .Power: 20 W
    .Max Voltage: 200V
    .Current Range: 1A

    B) Sciencetech's SciPV-IV Software for Windows-based control.
    .Windows 7/10 32/64 bit

    C) RS232 to USB dongle

    The SSIVT-2KC works with all Sciencetech Steady State Solar Simulators.

    Compatible with Steady State (Continuous) Solar Simulators only.

    See brochure for more details.
    $ 12,500.00 12500.0 USD
    Price Valid only in North America

    The SSIVT is a complete electrical current-voltage (I-V) measurement system used to characterize photovoltaic cell performance. This current-voltage tester works by sampling current at different voltages of the photovoltaic cell with a variable impedance load. The system can generate I-V curve of samples like Solar cells.

    This I-V Measurement System has a 4 wire Kelvin configuration to remove the resistance effects of the leads and bias the cell at specific voltages.

    The I-V Measurement System SSIVT-2KF includes:

    A) Keithley SMU, Model 2400 and BI100 loadbooster system
    - Power: 2000W
    - Max V: 200V
    - Max I: 10A
    BI100 provides 100x current multiplication when on 0.1A scale of K2400

    B) Sciencetech’s SciPV: IV Software for Windows-based control.
    - Windows 7/10 32/64bit

    C) RS232 to USB dongle

    Additional monitoring electronics are provided for flash IV measurement capability

    The SSIVT-20KF works with all Sciencetech Flash Solar Simulators.
    $ 13,500.00
    In stock
    The SSIVT is a complete electrical current-voltage (I-V) measurement system used to characterize photovoltaic cell performance. This current-voltage tester works by sampling current at different voltages of the photovoltaic cell with a variable impedance load. The system can generate I-V curve of samples like Solar cells.

    This I-V Measurement System has a 4 wire Kelvin configuration to remove the resistance effects of the leads and bias the cell at specific voltages.

    The I-V Measurement System SSIVT-2KF includes:

    A) Keithley SMU, Model 2400 and BI100 loadbooster system
    - Power: 2000W
    - Max V: 200V
    - Max I: 10A
    BI100 provides 100x current multiplication when on 0.1A scale of K2400

    B) Sciencetech’s SciPV: IV Software for Windows-based control.
    - Windows 7/10 32/64bit

    C) RS232 to USB dongle

    Additional monitoring electronics are provided for flash IV measurement capability

    The SSIVT-20KF works with all Sciencetech Flash Solar Simulators.
    $ 13,500.00 13500.0 USD
    Price Valid only in North America

    The SSIVT is a complete electrical current-voltage measurement system used to characterize photovoltaic cell performance. This current-voltage tester works by sampling current at different voltages of the photovoltaic cell with a variable impedance load.

    This IV measurement system has a separate terminal interface for voltage and current measurements. Each IV curve dataset is saved as a separate ASCII text file.

    This I-V Testing Measurement System has a 4 wire Kelvin configuration to remove the resistance effects of the leads and bias the cell at specific voltages.

    The I-V Measurement System SSIVT-T100C includes:

    A) Keithly Model 2460 - Touchscreen
    .Power: 100 W
    .Max Voltage: 100V
    .Current Range: 7A

    B) Sciencetech's SciPV-IV Software for Windows-based control.
    .Windows 7/10 32/64 bit

    C) RS232 to USB dongle

    Compatible with Steady State (Continuous) Solar Simulators only.

    See brochure for more details.
    $ 17,205.00
    In stock
    The SSIVT is a complete electrical current-voltage measurement system used to characterize photovoltaic cell performance. This current-voltage tester works by sampling current at different voltages of the photovoltaic cell with a variable impedance load.

    This IV measurement system has a separate terminal interface for voltage and current measurements. Each IV curve dataset is saved as a separate ASCII text file.

    This I-V Testing Measurement System has a 4 wire Kelvin configuration to remove the resistance effects of the leads and bias the cell at specific voltages.

    The I-V Measurement System SSIVT-T100C includes:

    A) Keithly Model 2460 - Touchscreen
    .Power: 100 W
    .Max Voltage: 100V
    .Current Range: 7A

    B) Sciencetech's SciPV-IV Software for Windows-based control.
    .Windows 7/10 32/64 bit

    C) RS232 to USB dongle

    Compatible with Steady State (Continuous) Solar Simulators only.

    See brochure for more details.
    $ 17,205.00 17205.0 USD
    Price Valid only in North America
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