J.Paul.G.Malthouse wrote:
>
> Dear All
>
> We are currently having a new Bruker 500MHz NMR installed. However, we
> often get short power outages at night. Therefore when I ordered the
> instrument I asked for a UPS unit to cover for brief power outages(up to 15
> mins). I expected that the UPS would allow us to maintain power to the NMR
> and all the ancillary equipment required to ensure that spectrum
> acquisition was not affected during a short <15 minute loss of power.
>
> However, the UPS supplied by Bruker could not run both the NMR and our
> compressor. Bruker now inform me that "they do not connect compressors (or
> indeed BCU-05 cooling units) to a UPS because this would require a larger
> UPS than most people would wish and would require a very heavy duty primary
> mains supply".
>
> I see no point in a UPS if it will not protect spectrum acquisition i.e.
> maintaining air to the magnet for support, spinning and temperature control
> etc. Or am I being unreasonable?
>
> So has anyone got a set up where they have a UPS protecting their NMR
> system including ancillary equipment for short periods? Or is this
> impossible/not feasible?
>
> If you protect your NMR with a UPS system please let me know what it protects.
> Any advice and details of similar experiences will be greatly appreciated!
>
> Best wishes
>
> Paul
>
> Professor J.P.G. Malthouse,
> Department of Biochemistry,
> University College Dublin,
> Belfield,
> Dublin 4,Ireland.
>
> email: J.Paul.G.Malthouse@ucd.ie
> Facsimile: 353-1-2837211
> Telephone: 353-1-7061352
> JPGM Research site
> http://www.ucd.ie/~biochem/jpgm/
> Biochemistry NMR centre
> http://www.ucd.ie/~bio-nmr/
> Paintings by Eric Malthouse
> http://indigo.ie/~emalth/