View Single Post
  #20  
Old 12-22-2011, 04:52 PM
ohohyodafarted's Avatar
ohohyodafarted ohohyodafarted is offline
Bob Galanter
 
Join Date: Sep 2005
Location: Whitefish Bay, Wi (Milwaukee)
Posts: 1,076
Quote:
Originally Posted by jr_tech View Post
Actually it is even less than that... a torr is 1 mm of Hg pressure, and atmospheric pressure is 760 mm of Hg, so 10 -6 torr is 1/760,000,000 of an atmosphere.

jr
You are corrrect. I always get that confused because most of the scale on our militor meter is graduated from 1 torr to .001 torr and the top end of the scale from 1 torr to 1Atmosphere is only 1 graduation, so I always think 1 torr is 1 atmosphere. Sorry for my brain fart :-)
__________________
Vacuum tubes are used in Wisconsin to help heat your house.

New Web Site under developement
ME http://AntiqueTvGuy.com
Reply With Quote
Audiokarma