Gallium-Fixed-Point-Cell
Second only to the Water Triple Point and in many ways, because of its ease of use and purity, superior to it, is the Gallium Melt Point. At 29.7646°C this is a very convenient temperature.
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Total Confidence
Confidence is a major requirement in a standard. The Isotech Gallium Cell and Apparatus have a long history and have been successfully used in most National and Primary Laboratories world-wide.
International comparisons prove the quality of the Isotech Cells and are unique in the number, and history of comprehensive evaluations.
Calibration of Isotech’s Reference Cell with the Standard at NIST showed an agreement of 4μK, 0.000004°C. The Isotech Gallium Cells contain the highest purity metal, >99.99999% pure (7N) and giving a flat plateau. The cell has a day to day reproducibility of just +/-0.000025°C.
| Parameter | Sealed Gallium | Open Gallium |
|---|---|---|
| Model | ITL-M-17401 | ITL-M-17401(O) |
| Temperature | 29.7646°C | 29.7646°C |
| Metal Purity | > 99.99999 7N | > 99.99999 7N |
* We have a choice of UKAS Calibration Services, the stated uncertainty figure is for our Premium UKAS Calibration Service.
| Parameter | Sealed Gallium | Open Gallium |
|---|---|---|
| Outside Diameter | 38mm | 35mm |
| Inside Diameter | 11.5mm | 12mm |
| Total Height | 415mm | 425mm |
| Metal Depth | 230mm | 230mm |
| Uncertainty* | 0.25mK | <0.1mK |
| How to order | ITL-M-17401 Gallium Cell – (specify sealed or open). The Cell is supplied with a Certificate of Metal Purity. |
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