GB/T 4271-2021 (English Version)

Scope: This document specifies the pressure resistance, standard stagnation temperature, air drying, external thermal shock, internal thermal shock, rain, freezing resistance, mechanical load, impact resistance, thermal performance and pressure of solar collectors (hereinafter referred to as collectors). drop test method. This document is applicable to laboratory and field tests of liquid working fluid collectors and photovoltaic photothermal composite solar collectors. This document does not apply to thermal storage solar collectors with integrated heat storage and collectors, nor does it apply to solar collectors without transparent covers.

GB/T 4271-2021 Referenced Document

GB/T 12936 Solar energy Thermal application Terminology
GB/T 17683.1 Solar energy--Reference solar spectral irradiance at the ground at different receiving conditions--Part 1: Direct normal and hemispherical solar irradiance for air mass 1.5
GB/T 19565 Pyranometer
GB/T 33701 Pyrgeometer
ISO 9806:2017 Solar energy - Solar thermal collectors - Test methods

2021 GB/T 4271-2021 Test methods for the performance of solar collectors　
2007 GB/T 4271-2007 Test methods for the thermal performance of solar collectors
2000 GB/T 4271-2000 Test methods for the thermal performance of flat plate solar collectors
1984 GB 4271-1984 Test method for thermal performance of flat-plate solar collectors