This standard applies to the measurement of the conversion efficiency of electric-thermal radiation (hereinafter referred to as electric-thermal) of electrothermal infrared radiation heaters (hereinafter referred to as heaters).
1987GB/T 7287.7-1987 Measuring method for electric-to-radiant power transfer efficiency of infrared heater
GB/T 7287.7-1987 Measuring method for electric-to-radiant power transfer efficiency of infrared heater was changed to GB/T 7287-2008 Test method of infrared heater.