Re: vacuum pump
From: Richard Wayne Wall[SMTP:rwall-at-ix-dot-netcom-dot-com]
Sent: Sunday, July 13, 1997 5:15 AM
To: Tesla List
Subject: Re: vacuum pump
>> performance of it, I find that the ultimate vacuum is measured in
>> microns. In this case, 100 microns or better (tested to 25
>>microns). I've heard of vacuums being measured in Torr, and in
>>inches of Hg, but can anyone out there enlighten me as to how I can
>>convert this unit of measure to something that I can understand?
>1 Torr = 1 mmHg
>760 Torr = 1 Atm
>1 micron = 1 mTorr = 1 micron of Hg = 1/1000 mmHg
The last line is incorrect.
MilliTorr = 1/1000 mmHg
Micron = 1/1,000,000 mmHg