Technical parameters of high pressure sodium lamp
lumen maintenanceThe luminous efficiency is up to 80 lumens / watt, and the highest luminous efficiency is 140 lumens / watt
LifeThe life of high pressure sodium lamp is about 20000 hoursAverage life spanAverage life refers to the time when a batch of test bulb samples are ignited to 50% of the amount of damage.
Light and electrical parametersLight and electrical parameters of high pressure sodium lampLight and electrical parameters of high color high pressure sodium lamp
