Randomblame
Well-Known Member
Here's a siutable ballast to drive two 54w T5 bulbs in once.
Also pretty cheap and a wiring diagram in printed on the side.
https://www.ebay.de/itm/Vossloh-EVG-elektronisches-Vorschaltgerat-2-x-54-Watt-T5/201098456116?hash=item2ed266ec34:g:xX4AAMXQdm5Q-sg8
2 reflector sheets from 1mm aluminum, ~8cm wide, 120cm long, wing angle 45°. I don't know if the link shows the correct configs so I've added a screenie with the configuration below..
https://bleche-nach-mass.de/kantteile/58-u-profi?gclid=CjwKEAiA9JW2BRDxtaq2ruDg22oSJACgtTxcgv-Gd5upL6JCtGqP3kGiVtir8nGie1gAnu_u8adlThoClDbw_wcB#001-0286
![Screenshot_20180828-093042.png](/data/attachments/3288/3288801-5f1323004b74d2051df29cf329960743.jpg)
If 30mm for "b" is not possible you can use 40mm and choose 130° on each side. This way you still get reflectors less than 8cm wide. You can use smaller wings but keep in mind you don't want the light gets lost on the walls. Plastics do not reflect UVB..
Also pretty cheap and a wiring diagram in printed on the side.
https://www.ebay.de/itm/Vossloh-EVG-elektronisches-Vorschaltgerat-2-x-54-Watt-T5/201098456116?hash=item2ed266ec34:g:xX4AAMXQdm5Q-sg8
2 reflector sheets from 1mm aluminum, ~8cm wide, 120cm long, wing angle 45°. I don't know if the link shows the correct configs so I've added a screenie with the configuration below..
https://bleche-nach-mass.de/kantteile/58-u-profi?gclid=CjwKEAiA9JW2BRDxtaq2ruDg22oSJACgtTxcgv-Gd5upL6JCtGqP3kGiVtir8nGie1gAnu_u8adlThoClDbw_wcB#001-0286
![Screenshot_20180828-093042.png](/data/attachments/3288/3288801-5f1323004b74d2051df29cf329960743.jpg)
If 30mm for "b" is not possible you can use 40mm and choose 130° on each side. This way you still get reflectors less than 8cm wide. You can use smaller wings but keep in mind you don't want the light gets lost on the walls. Plastics do not reflect UVB..
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