Historical
IEC 60904-2 Ed. 2.0 b:2007
Photovoltaic devices - Part 2: Requirements for reference solar device
"Gives requirements for the classification, selection, packaging, marking, calibration and care of reference solar devices. Covers solar reference devices used to determine the electrical performance of solar cells, modules and arrays under natural and simulated sunlight. Changes with respect to the previous edition include calibration traceability."
International Electrotechnical Commission [iec]