Skip to main content
U.S. flag

An official website of the United States government

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock ( ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

Optical Flow Meter

Optical Flow Meter for Determining a Flow Rate of a Liquid Patent Number 11,035,707
Credit: Greg Cooksey (NIST PML) and Paul Patrone (NIST ITL)

Credit: Greg Cooksey (NIST - PML) and Paul Patrone (NIST - ITL)

Created August 15, 2022, Updated September 6, 2022