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| | | Thailand, NIMT (National Institute of Metrology (Thailand)) | | | Complete CMCs in Length for Thailand (.PDF file)
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| Flatness standard. Optical flat: flatness deviation over whole diameter, 0 µm to 0.3 µm | | Absolute expanded uncertainty (k = 2, level of confidence 95%) in nm: 4 | | Fizeau interferometer, three flat test, automatic assessment | | Maximum diameter: 60 mm | | Approved on 28 April 2010 | | Internal NMI service identifier: NIMT/08060-10201 |
| | | Flatness standard. Optical flat, optical parallel: flatness, 0 µm to 0.3 µm | | Absolute expanded uncertainty (k = 2, level of confidence 95%) in nm: 20 | | Fizeau interferometer, automatic assessment | | Maximum diameter: 60 mm | | Approved on 28 April 2010 | | Internal NMI service identifier: NIMT/08060-10101, 08060-10102 |
| | | Flatness standard. Optical parallel: parallelism, 0 µm to 20 µm | | Absolute expanded uncertainty (k = 2, level of confidence 95%) in nm: 40 | | Gauge block comparator | | Maximum diameter: 60 mm | | Approved on 28 April 2010 | | Internal NMI service identifier: NIMT/08060-10101 |
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