hrp1000 at cus.cam.ac.uk
Fri Jan 16 05:04:47 EST 1998
On Thu, 15 Jan 1998, Randy Mann wrote:
> Hello All,
> Our filament lifetime on the Rigaku Generators Seems to be a lot shorter
> than it should be. The average lifetime is a little over 600 hours.
> What is the optimum power settings for extended lifetime? We are
> currently running at 50kv 100ma with a bias if 20 -30 %. If anyone has
> any suggestions please let me know.
Try monitoring your vacuum; a really good vacuum seems to improve
filament life. Sorry, I can't remember the mV readings as I haven't been
near a generator for over a year:-(
Dr Harry Powell, Automation Office, University Library, West Road, Cambridge,
CB3 9DR. Telephone: +44 1223 333127 Fax: +44 1223 333160
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