ISO 2859-1:1999 Sampling procedures for inspection by attributes - Part 1: Sampling schemes indexed by acceptance quality limit (AQL) for lot-by-lot inspection
ISO 9060:1990 Solar energy; specification and classification of instruments for measuring hemispherical solar and direct solar radiation
ISO/IEC 17025:2005 General requirements for the competence of testing and calibration laboratories
BS EN 62670-3:2017 history
2017BS EN 62670-3:2017 Photovoltaic concentrators (CPV). Performance testing. Performance measurements and power rating