Industrial Vision Technology (S) Pte Ltd
Model VS-6820 -Solar Cell I-V Test System
The new VS-6820 provides Cell manufactories & laboratories a new experience in testing and measuring of photovoltaic cells. It provides complete coverage of testing parameters and measurement requirements from most international standards. Its test methods, procedure & equipments are compliant with International standard IEC 60904. Calibration of reference cell is performed at ISE Fraunhofer Germany, and is traceable to PTB.
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four Test Sequences & Criteria of each parameter are programmable and run automatically:
A complete I-V measurement in light condition
- Short circuit current, Isc
- Open circuit voltage, Voc
- Peak power, Pmax, Vmp and Imp
- Cell efficiency, ŋ and fill factor FF
- Cell temperature and light intensity
A complete I-V measurement in dark condition
- Shunt resistance, Rsh
- Leakage current at specified voltage
A complete I-V measurement at three light intensities
- Series resistance (Rs) measurement
A complete I-V measurement at different cell temperature
Temperature Coefficient measurement
- Temperature coefficient of Isc: α (mA/ºC)
- Temperature coefficient of Voc: β (mV/ ºC)
- Temperature coefficient of Pmax: γ (mw/°C)