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https://www.nist.gov/image/nists-aaron-johnson-holding-new-nist-pitot-tube

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# NIST’s Aaron Johnson holding the new NIST pitot tube

## Appears In

                        - Big Improvements in New Probe Design for Smokestack Emission Monitoring

NIST’s Aaron Johnson holding the new NIST pitot tube, which improves measurements of smokestack flow during audits without increasing the amount of time it takes to do the audit.

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### NIST Individuals in Image

Aaron Johnson

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