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7-IV

Solar Cell I-V Test System

Used for current-voltage (I-V) characterization of solar cells

The test of the I-V characteristics of solar cells refers to the relationship curve between the current output to the load and the voltage across the terminals under certain illumination. The I-V characteristics can fully reflect the conversion efficiency of solar cells, thus obtaining the final performance index of the solar cells, providing the basis for the production of components and determining the price.

SOFN offers a solar cell IV measurement system of scientific-grade quality, along with related equipment. These solar cell testing products are ideal for researching, testing, and evaluating various optoelectronic materials, photovoltaic components, and solar cells.

• Equipped with a reliable solar simulator graded AAA.
• Utilizes a specialized high-precision test source meter for accurate measurements.
• Includes a unique vacuum adsorption stage, with optional temperature control.
• Employs a dedicated high-precision test meter.
• Features independently developed IV test software for enhanced functionality.

• The complete I-V curve and P-V curve measurement.
• Measurements of short-circuit current I_sc, open circuit voltage Voc and short-circuit current density J_sc
• Measurements of peak power P_m, peak power current I_m, peak power voltage V_m.
• Measurements of efficiency η, the fill factor FF, series resistance Rs and the shunt resistance R_sh
• Extended measurement capabilities, including measurements in weak light or dark conditions.

• Accuracy of voltage measurement: 0.015%
• Accuracy of current measurement: 0.15%
• Repeatability of measurement: 1%