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Isothermal Technology Limited, Pine Grove, Southport, PR9 9AG, England Tel: +44 (0)1704 543830 Fax: +44 (0)1704 544799 Internet: www.isotech.co.uk E-mail: info@isotech.co.uk The company is always willing to give technical advice and assistance where appropriate. Equally, because of the programme of continual development and improvement we reserve the right to amend or alter characteristics and design without prior notice.
THE PERFORMANCE OF A SLIM MERCURY CELL IN THE EUROPA-6 APPARATUS ............7 INTRODUCTION ..................................7 METHOD......................................7 RESULTS ......................................7 Table 1: TTI 2 connected to the 670/080 SPRT.......................... 8 CONCLUSION ....................................9 Page 2 of 9 Slim Mercury Triple Point Cell Model 17724M Iss.05 – 01/13...
INTERFERENCE WITH OR FAILURE TO PROPERLY MAINTAIN THIS INSTRUMENT MAY INVALIDATE THIS GUARANTEE RECOMMENDATION The life of your ISOTECH Instrument will be prolonged if regular maintenance and cleaning to remove general dust and debris is carried out. ISOTHERMAL TECHNOLOGY LTD.
INTRODUCTION Isotech produce a range of Slim Cells whose physical size is smaller than ITS-90 optimal cells, which are designed to fit bench top sized apparatus. The most recent slim cell to be designed together with a portable apparatus named Europa is a Slim Mercury Triple Point Cell.
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FIGURE 1: EUROPA-6 MERCURY CELL GENERAL ASSEMBLY Page 5 of 9 Slim Mercury Triple Point Cell Model 17724M Iss.05 – 01/13...
Keep methanol in the re-entrant tube of the cell. Do not let it spill into the well of the Europa-6 - it will change the thermal conductivity from cell to well. Page 6 of 9 Slim Mercury Triple Point Cell Model 17724M Iss.05 – 01/13...
Melting the cell: setting a temperature about 0.3°C above the melt resulted in a melt of three hours with a flatness of better than 100uK over 80% of the melt. Page 7 of 9 Slim Mercury Triple Point Cell Model 17724M Iss.05 – 01/13...
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Value of resistance when calibrated in large reference Mercury Triple Point Cell on its melt plateau Notes: approximately 1°C, all results agree within 100uK. Ω Resistances above are compensated for Hydrostatic head. Page 8 of 9 Slim Mercury Triple Point Cell Model 17724M Iss.05 – 01/13...
CONCLUSION The Europa-6 and Slim Mercury Triple Point Cell give accurate realization of the ITS-90 value. Graph 1: Graph 2: Page 9 of 9 Slim Mercury Triple Point Cell Model 17724M Iss.05 – 01/13...
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