*IP(Ingress Protection) index of performance:
it is use congnizance index of performance code name of the light fixture in the international.
*Index of the dustproof Performance rate:
N0.
Index of the dustproof Performance rate
Define
0
No fence
No specialties preserve
1
prevent≥50mm of object incursion
prevent body cause inadvertent come into contact with the inside fittings of light fixture, prevent diameter≥50mm of object incursion
2
prevent≥12mm of object incursion
prevent finger come into contact with the inside fittings light
3
prevent≥2.5mm of object incursion
prevent diameter≥2.5mm's tools, electrical wire or object incursion
4
prevent≥1.0mm of object incursion
prevent diameter≥1.0mm's fly,dust or object incursion
5
preserve dust
incapable completeness prevent dust incursion,dust quantity can not work on the light
6
dust close down
completeness prevent dust incursion
*Index of the waterproof Performance rate:
N0.
Index of the waterproof Performance rate
Define
0
No fence
No particular preserve
1
drip fence
perpendicularity fallen drip do not bring damage
2
then incline 15degree stilll fence drip
light fixture for any side incline 15degree still fense drip
3
preserve splash's water
preserve rainwater or perpendicularity jion nip angle≤50 degree of direction the all splash's water
4
preserve spurt's water
prevent diameter≥1.0mm's fly,dust or object incursion
5
preserve short-range water
prevent each direction spurt's water incursion
6
preserve shock water
preserve sea or blowhole quickness spurt's water incursion
7
preserve streak drench water
light fixture incursion in the water have all to nothing time or under the hydraulic pressure condition, still can insure the light fixture natural to use.