2020BS EN ISO 9806:2017 Solar energy. Solar thermal collectors. Test methods
2013BS EN ISO 9806:2013 Solar energy. Solar thermal collectors. Test methods
2006BS EN 12975-2:2006 Thermal solar systems and components - Solar collectors - Test methods
2001BS EN 12975-2:2001 Thermal solar systems and components - Solar collectors - Test methods
BS EN ISO 9806:2013 Solar energy. Solar thermal collectors. Test methods has been changed from BS EN 12975-2:2006 Thermal solar systems and components - Solar collectors - Test methods.