Y3EA Asymmetric
Y3EA is a highly specialised lens comprising a three prism configuration arranged to create a unique control panel providing an unmatched asymmetric distribution with a peak intensity between 40° and 45°.
Y3EA is designed for use with a single lamp with the option to utilize two panels for twin lamp configurations.
Y3EA possesses superb distribution characteristics with efficiency values of nearly 60%.
Typical Y3EA Usage
• Cashier and other public service counters
• Task luminaires
• Lecture facilities
• Hospital corridors
• Clinical bed-head luminaires
Dimensions
The diagram gives an indication of correct configuration of lamp – luminaire – Y3EA Lens. Alternative configurations are possible providing differing angles of maximum intensity. Please note that correct orientation and position of prisms is essential to obtain optimum performance.
Distribution Data
LOC = 0.58 | |||||
0 | 22.5 | 45 | 67.5 | 90 | |
85 | 1 | 1 | 1 | 1 | 0 |
75 | 30 | 30 | 31 | 31 | 23 |
65 | 56 | 56 | 60 | 80 | 56 |
55 | 102 | 111 | 160 | 159 | 75 |
45 | 282 | 284 | 245 | 170 | 115 |
35 | 292 | 280 | 245 | 193 | 165 |
25 | 258 | 250 | 226 | 200 | 190 |
15 | 234 | 231 | 221 | 215 | 210 |
5 | 222 | 222 | 221 | 220 | 218 |
Product Data
Prism Size |
varies |
Prism |
Female, flutes, elevating |
and depressing prism |
|
Prism depth |
2mm |
Thickness |
4mm |
Max Width |
305mm |
Max Length |
1550mm |
Resistance to U.V. |
Excellent |
Used under normal interior conditions100% acrylic will perform satisfactorily for 20 years.