If you dim the halogens, you will be operating them outside of the temperature required for the Halogen Cycle to operate.
http://en.wikipedia.org/wiki/Halogen_lamp Shorter filament life and bulb darkening. That being said, I have a couple of halogen lights on dimmers and love them -- I like the quality of the light. DaveH > -----Original Message----- > From: [email protected] > [mailto:[email protected]] On Behalf Of Peter Gottlieb > Sent: Sunday, September 16, 2012 19:26 > To: [email protected] > Subject: Re: [time-nuts] Reducing lab noise with LED lighting. > > 12 volt Halogen from a big transformer run from a Variac if > you want dimming. > As long as the Variac brushes aren't arcing that setup will > create zero noise. > > > On 9/16/2012 9:55 PM, Mike S wrote: > > On 9/16/2012 8:09 PM, Tom Knox wrote: > >> > >> In this green era here in the USA there is a big push toward CFL > >> lighting. Problem is I can see my CFL lighting on my PN > measurements > >> and other equipment. I am finding it is very noisy > > > > Run 12 VDC lighting, or hydrocarbon (NG/propane/naptha, > which is noisy in a > > different way. > > > > _______________________________________________ > > time-nuts mailing list -- [email protected] > > To unsubscribe, go to > https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts > > and follow the instructions there. > > > > > > ----- > > No virus found in this message. > > Checked by AVG - www.avg.com > > Version: 10.0.1424 / Virus Database: 2437/5271 - Release > Date: 09/16/12 > > > > > > > _______________________________________________ > time-nuts mailing list -- [email protected] > To unsubscribe, go to > https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts > and follow the instructions there. _______________________________________________ time-nuts mailing list -- [email protected] To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.
