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DESCRIPTION
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.
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.
SPECIFICATION
| Sealed Gallium | Open Gallium | |
|---|---|---|
| * We have a choice of UKAS Calibration Services, the stated uncertainty figure is for our Premium UKAS Calibration Service. | ||
| Model | ITL-M-17401 | ITL-M-17401(O) |
| Temperature | 29.7646°C | 29.7646°C |
| Metal Purity | > 99.99999 7N | > 99.99999 7N |
| Dimensions (Nominal) | ||
| Outside Diameter | 38mm | 35mm |
| Inside Diameter | 11.5mm | 12mm |
| Total Height | 415mm | 425mm |
| Metal Depth | 230mm | 230mm |
| Uncertainty* | 0.25mK | 0.07mK |
| How to order | ITL-M-17401 Gallium Cell – (specify sealed or open). The Cell is supplied with a Certificate of Metal Purity. |
DOWNLOADS
- Gallium Cell Data Sheet
- Introduction to Primary & Secondary Laboratory Equipment
- Best Primary Standards for your Laboratory
- The Gallium Point, An Alternative Reference Temperature to The Water Triple Point
- An Optimal Gallium Cell – Interoperability Between a Cell Made in England And Intercompared at NIST
Gallium Fixed Point Cell
29.7646°C
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, as it is the closest ITS-90 fixed point to ambient temperatures, and also close to human body temperatures, which are critical ranges for many industries.
- Uncertainty: 0.000070
- Purity: 99.99995%
- Thirty years of proven use
- ITS-90 Fixed Points
- Sealed or Open Models
We are online and ready to chat to you if you need any advice and support, or if you prefer you can fill out the form below.
Or call +44 01704 543830
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