SR-1901 Solar Simulators with Portable Spectroradiometers 280–1900nm


Spectral Evolution


Spectral Evolution

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Spectral Range: 280-1900nm

Rapid and accurate measurement of electrical power output and  related characteristics of PV cells, modules, and panels is critical to solar manufacturers to ensure that their products will perform to promised levels during their outdoor life. Solar simulators are used to test the cells, modules, and panels under a set of standardized conditions. The solar simulators mimic the natural sunlight that the panels will see when installed. The solar simulators themselves are tested to be sure they meet ASTM and IEC standards for three areas: spectral match, spatial uniformity, and temporal stability.

Spectral match classifies a solar simulator based on the amount of light (irradiance) it outputs and assigns a Class A, B, or C status based on performance measurements in wavelengths from 400-1100nm. Uniformity measures the irradiance at different point in the area covered by the simulator. Consistent output must be measured at different points. Temporal stability measures performance over time. Spectral Evolution's SR-3501, SR-1901, and SR-1901PT spectroradiometers can provide accurate testing, measurmeent and classification for these characteristics for both continuous and pulsed solar simulators.

The SR-1901 are used for continuous solar

SR-1901: 280-1900nm - one silicon photodiode array detector and one InGaAs photodiode array detector Spectral match to AM0, AM1.5, and AM1.5 global tilt Equipped with a fiber optic cable and right angle diffuser, these spectroradiometers can measure continuous output over user-defined time periods to ensure long-term stability.

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