James Cameron <quozl <at> laptop.org> writes:

> Design goals are:
>=20
> - same or greater illumination,
>=20
> - change colour temperature to match the fluorescent lamps elsewhere
>   in the building, probably 4000-5000k,
>=20
> - reduce future maintenance (ladder climbing),
>=20
> Is it reasonable to assume that the existing PAR38 lamps are 2400
> lumens?  (Wikipedia suggests incandescent is 16 lumens per watt).
>=20
https://www.1000bulbs.com/category/led-par38-150w-equal-fl/
(I have no affiliation with them)
150W equivalent, color temp 2700K - 5000K, up to 90 lumen/watt, 1700-2200
lumens. =20

Looks to me they fit the specs. =20

Hope this is what you are looking for,

Sergey Dryga
=20




--=20
http://www.piclist.com/techref/piclist PIC/SX FAQ & list archive
View/change your membership options at
http://mailman.mit.edu/mailman/listinfo/piclist
.