I wrote:
> ULVAC quadrupole mass spectrometer: model YTP-50M. > Built in precision meter, ULVAC, GCMT G-Tran ISG-1 > > I do not know if this has the umph to measure helium. > Let me put that in more technical terms. I mean I do not know whether it has enough resolution, power, moxie or chutzpah.