You could always switch to a diaphragm vacuum pump - which is oil free - and shouldn't be too fussed about working in a cold room. Quieter and cleaner too. Best wishes, On 28 October 2017 at 18:17, Denis Rousseau <[log in to unmask]> wrote: > Does anyone have experience with a vacuum pump in cold room? We have been > told they may not start because of the viscosity of the oil? > > Thanks > > Denis Rousseau > ------------------------------ > *From:* CCP4 bulletin board [[log in to unmask]] on behalf of Schulz, > Eike-Christian [[log in to unmask]] > *Sent:* Friday, October 27, 2017 4:31 PM > *To:* [log in to unmask] > *Subject:* [ccp4bb] using CC1/2 to define resolution limit in Xscale > > Dear all, > > > > I would like to compare > 15 datasets and would like to use a common CC1/2 > value as an objective criterion to determine the resolution cut-off. > > > > All data were integrated in XDS. > > > > Is there a convenient way to apply this in XSCALE or in any of its > alternatives? > > > > With best regards, > > > > Eike > > > > > > > -- William A. Neale Postgraduate Research Student Room 212, Huxley Building Keele University, ST5 5BJ [log in to unmask] +44( 0)1782 (7)34441