How to detect Benjamin 250W advertising lamp is good or bad, what specific ways? Thank you!!
Halogen lamps are used to see the quality of the foot...No contact with Yamingdeng.
if the domestic standard of quality, color may differ, if only a few lighting, can not feel the same, if there is a light meter, for measuring the luminous efficiency.
For reference only:Appearance: seal, reflector is smooth, shell painted, screw...Electrical property:Discharge lamp using dysprosium lamp and sodium lamp and other gases, the voltage range is in line with the requirements of the ballast, whether power correction, low-voltage starting performance, the current is in the acceptable range,
