Long Description:  Equation A50

Description:

Title of Image:  Equation A50

Equation:  U(Ciddor) = 10^(-8) * {[0.003 * p / (t + 273)]^2 * [4 + 6 * 10^(-8) * (p - 10^5)^2 + 0.006 * (t - 20)^2] + p(v)^2 * [(8 * 10^(-4))^2 + (6 * 10^(-6) / Lambda^4)^2]}^(1/2)

Links:

Source:  Equation A50

Image:  Equation A50

Web Site Home: Engineering Metrology Toolbox
Technical Inquiries: Daniel S. Sawyer, Group Leader
Dimensional Metrology
Sensor Science Division
Physical Measurement Laboratory
NIST, 100 Bureau Drive, Stop 8211, Gaithersburg, MD 20899-8211

The National Institute of Standards and Technology (NIST) is an agency of the U.S. Department of Commerce.
NIST / PML / Sensor Science Division

NIST Program Questions: Public Inquires Unit
(301) 975-NIST (6478) TTY (301) 975-8295
NIST, 100 Bureau Drive, Stop 3460, Gaithersburg, MD 20899-3460

Privacy Policy / Security Notice / Accessibility Statement / Disclaimer / Freedom of Information Act (FOIA) / 
Environmental Policy Statement / No Fear Act Policy / NIST Information Quality Standards / Scientific Integrity Summary

USA.gov

Date Created: Tuesday, March 3, 2020
Last Updated: Tuesday, March 3, 2020
Technical Web Site Questions: Wei Ren
Feedback and Comments: Webmaster