Quantum Northwest sample changers for SANS


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This topic contains 2 replies, has 3 voices, and was last updated by Andy Church Andy Church 5 months, 2 weeks ago.

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  • #6073

    Hello everyone,

    Some of you already use Quantum Northwest sample changers (https://www.qnw.com/product/neutroniq-1×8/).They claim that they can control the temperature in the range -15 °C to +150 °C. Has anyone already used them down to -15°C? Do they really prevent condensation on windows?

    Some feedback would be greatly appreciated.

    Cheers, Eddy

    #6074
    Harald Schneider
    Harald Schneider
    Participant

    Hej Eddy,
    at JCNS (MLZ) me and of course the actual staff uses them. To gain temperatures below 5˚C just align the water bath circulater to lower Temperatures (it helps the Peltierelement).
    To avoid condensing there are 2 methods , permanently flushing (parallel to the quarz windows with nozzles) with dry air/gas (e.g.N2), or using a kind of hood above the magazine and fill it from the bottem with dry air.
    At D22 they have a kind of Plexiglas box, which is fine for that , build in the magazine and then flushing with dry gas. This should help.

    Good luck

    Harald

    #6107
    Andy Church
    Andy Church
    Participant

    Hi Eddy,

    I believe NIST use them as their standard and do rather well. Jeff or Cedric would be able to help on this.

    Cheers
    Andy

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