NI should make sure that the measurement uncertainty specifications for its DAQ hardware are aligned with uncertainty analyses that are performed according the ISO "Guide to the expression of Uncertainty in Measurement" (GUM). See http://www.bipm.org/en/publications/guides/gum.html. Furthermore, the language used could conform to the ISO "International Vocabulary of Metrology" (VIM). See http://www.bipm.org/en/publications/guides/vim.html.
