Hi Tim, This link might be useful: https://chem.libretexts.org/Ancillary_Materials/Demos_Techniques_and_Experiments/General_Lab_Techniques/Cooling_baths
Best Ricardo On Thu, Feb 2, 2023 at 2:57 PM Tim Gruene <tim.gru...@univie.ac.at> wrote: > Good day, > > I would like to cool a K-type thermocouple down to -15C. The > temperature does not need to be very accurate, nor exactly -15C, just > below that level. > > I was thinking of using a piezo-chiller, but they don't seem to be very > energy efficient. > > Could anyone make a recommendation for a simple device to cool the tiny > thermocouple to -15C to -20C? > > For the details: we have an inhouse diffractometer with a dead > detector. The system is blocked, because the temperature of the > detector needs to be below -15C. It is measured with a K-type > thermocouple. I tested with liquid nitrogen. The system show -64C > (probably the limit of the thermocoupe) and I can operate the system > (and mount our new (brand-alien) detector). > > Thanks a lot! > > Best, > Tim > > -- > -- > Tim Gruene > Head of the Centre for X-ray Structure Analysis > Faculty of Chemistry > University of Vienna > > Phone: +43-1-4277-70202 > > GPG Key ID = A46BEE1A > > ######################################################################## > > To unsubscribe from the CCP4BB list, click the following link: > https://www.jiscmail.ac.uk/cgi-bin/WA-JISC.exe?SUBED1=CCP4BB&A=1 > > This message was issued to members of www.jiscmail.ac.uk/CCP4BB, a > mailing list hosted by www.jiscmail.ac.uk, terms & conditions are > available at https://www.jiscmail.ac.uk/policyandsecurity/ > -- Ricardo Padua HHMI Research Specialist Kern Lab Dept. of Biochemistry, MS009 Brandeis University Waltham, MA 02454, USA E-mail: rpa...@brandeis.edu ######################################################################## To unsubscribe from the CCP4BB list, click the following link: https://www.jiscmail.ac.uk/cgi-bin/WA-JISC.exe?SUBED1=CCP4BB&A=1 This message was issued to members of www.jiscmail.ac.uk/CCP4BB, a mailing list hosted by www.jiscmail.ac.uk, terms & conditions are available at https://www.jiscmail.ac.uk/policyandsecurity/
