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GreshamH
Guest
It's what scares me about buying used AmpMasters. Awesome pump, but damn pricey seals ($100 IIRC)
Helium mass spec leak detector is your friendhouser said:Ohh I like looking for leaks I hunt them down in vacuum chambers all the time! We will sometimes squirt alcohol.etc... into all the ports looking for a telltale rise in pressure which indicates the alcohol molecules make it though the leak and into the chamber, where their heavier mass shows up as a pressure spike.
Mr. Ugly said:Helium mass spec leak detector is your friendhouser said:Ohh I like looking for leaks I hunt them down in vacuum chambers all the time! We will sometimes squirt alcohol.etc... into all the ports looking for a telltale rise in pressure which indicates the alcohol molecules make it though the leak and into the chamber, where their heavier mass shows up as a pressure spike.
What kind of work do you do? UHV fabrication? Research? Beam line guru at LBL Advanced Light Source?
I might be in need of 1 or 2 technical personnel.