Dark IV PV Module Testing

 

 The dark IV of PV modules and strings can be used as a diagnostic measure - both in the production line and outdoors. It allows to investigate degradation processes - to determine series and parallel resistance and diode model parameters and - to a certain extend and depending on cell technology - to estimate module power under natural sunlight.

 

As extension of our dark IV testers for sdolar cells, we offer systems with voltages ranging rom 20V to 300V, for module/string currents from nA to more than 20A.

 

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