According to the requirements of CIE, IESNA and national standards, we have achieved testing methods as B-(B、A-a and C-y through rotating lamps. It is used to test the spatial light intensity distribution as well as variety luminosity parameter of indoor spotlight, cast light lamp and street light. It can work either with double arm or single arm.
Main reference standards:
LM-79-2008 Electrical and photometric measurement certification methods for solid-state lighting products;GB/T9468-2008 General requirements for light distribution measurement of lamps;
LB/T 001-2008 Integral LED street lamp measurement method;
GB/T 24824-2009 LED module measurement method for general lighting;
GB/T7002-2008 Photometric test of floodlight lighting;
CIE 69 Methods of Characterizing Illuminance Meters and Luminance Meters;
CIE 70-1987 The measurement of absolute luminous intensity distributions;
CIE 121-1996 The photometry of goniophotometer of luminaries;
CIE 84 Measurement of luminous flux;
IESNA LM-75 Goniophotometer Types and Photometric Coordinates;
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