¿ªÔÆÌåÓý

ctrl + shift + ? for shortcuts
© 2025 Groups.io

Re: OT: LED Measurements ... LED lamp bulbs at ridiculously low prices at (some) Costco stores


 

Generally, for use in the national standards labs, we used Labsphere units.

For some good practical information, theory & technical guides on integration spheres, see:

a)

b)

c)



Or:



rick

Join [email protected] to automatically receive all group messages.