灯具夹紧测试装置Type of luminaire

Number of cycles of operation

灯具夹紧测试装置Luminaires intended to be frequently adjusted, 
for example drawing board luminaires

1500

灯具夹紧测试装置Luminaires intended to be occasionally adjusted, for example shop-window spotlights

150

L灯具夹紧测试装置uminaires intended to be adjusted during installation only, for example floodlighting luminaires

45