This standard specifies the model, main dimensions, basic parameters, technical requirements, test methods, inspection rules, signs, packaging, transportation and storage of the product; it is suitable for single-ended sodium scandium series with a power of 175 w ~ 1 500 W transparent glass bulbs. Metal halide lamps (hereinafter referred to as bulbs). The bulbs conforming to this standard can be started and ignited normally within the range of 92%--106% of the rated power supply voltage when using ballasts conforming to QB/T 2511.