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Author: gregory scace
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Displaying records 1 to 10 of 19 records.
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1. Picometer Metrology for Precise Measurement of Refractive Index, Pressure, and Temperature
Published: 12/18/2013
Authors: Jack A Stone Jr, Patrick F Egan, Donavon Gerty, Jay H Hendricks, Douglas A Olson, Jacob E Ricker, Gregory E Scace, Gregory F Strouse
Abstract: Fabry-Perot interferometers can be used for very precise measurement of the refractive index of gasses. This can enable increased accuracy of interferometer-based length measurement. In addition, because the refractive index of a gas depends on its ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=914549

2. Picometer metrology for precise measurement of refractive index, pressure, and temperature
Published: 7/14/2013
Authors: Jack A Stone Jr, Patrick F Egan, Jay H Hendricks, Gregory F Strouse, Douglas A Olson, Jacob E Ricker, Gregory E Scace
Abstract: For several years we have been studying the use of Fabry-Perot interferometers for precise measurement of the refractive index of gasses, where the primary motivation has been to improve interferometer-based length measurement. Because the refractiv ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=913914

3. Uncertainty Budget for the NIST Hybrid Humidity Generator
Published: 12/1/2012
Authors: Christopher W Meyer, W Wyatt Miller, Dean C Ripple, Gregory E Scace
Abstract: We provide here a detailed uncertainty budget for the new Hybrid Humidity Generator (HHG) that has been constructed at the National Institute of Standards and Technology (NIST). The HHG generates frost/dew points from ‹70 °C to +85 °C using calibrat ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=905221

4. A Humidity Generator for Temperatures to 200 °C and Pressures to 1.6 MPa
Published: 11/30/2012
Authors: D Vega-Maza, W Wyatt Miller, Dean C Ripple, Gregory E Scace
Abstract: We have constructed a new humidity generator that produces gas streams of known moisture content at temperatures from 85 °C to 200 °C, absolute pressures from 0.2 MPa to 1.6 MPa, and relative humidities from 10 % to 90 %. The generator produces a moi ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=905234

5. A Second-Generation NIST Gravimetric Hygrometer
Published: 4/1/2010
Authors: Christopher W Meyer, Joseph Terence Hodges, Gregory E Scace, James R Whetstone, R W. Hyland
Abstract: A second-generation primary hygrometer has been completed at the National Institute of Standards and Technology (NIST). A gravimetric hygrometer measures humidity by separating the water from the carrier gas using desiccants and afterwards independe ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=903607

6. Design and Performance of the New NIST Hybrid Humidity Generator
Published: 6/1/2009
Authors: Christopher W Meyer, W Wyatt Miller, Dean C Ripple, Gregory E Scace
Abstract: A new humidity generator has been constructed at the National Institute of Standards and Technology and is now fully operational. The NIST Hybrid Humidity Generator (HHG) has replaced the Two-Pressure (2-P) Humidity Generator Mark II as the NIST prim ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=904099

7. Calibration of Hygrometers with the Hybrid Humidity Generator
Series: Special Publication (NIST SP)
Published: 12/14/2008
Authors: Christopher W Meyer, Joseph Terence Hodges, Peter H Huang, W Wyatt Miller, Dean C Ripple, Gregory E Scace
Abstract: We describe here the calibration of customer hygrometers using a new humidity generator that has been commissioned at the National Institute of Standards and Technology. The NIST Hybrid Humidity Generator (HHG) generates frost/dew points from ‹ ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=832432

8. Design and Performance of the new NIST Hybrid Humidity Generator
Published: 8/1/2008
Authors: Christopher W Meyer, W Wyatt Miller, Dean C Ripple, Gregory E Scace
Abstract: A new humidity generator has been constructed at the National Institute of Standards and Technology. Once fully operational, the NIST Hybrid Humidity Generator (HHG) will replace the Two-Pressure (2-P) Humidity Generator Mark II as the NIST primary ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=832270

9. Automated Continuous-Flow Gravimetric Hygrometer as a Primary Humidity Standard
Published: 5/1/2008
Authors: Christopher W Meyer, Joseph Terence Hodges, R W. Hyland, Gregory E Scace, J Valencia-Rodriguez, James R Whetstone
Abstract: A new primary gravimetric hygrometer has been completed at the National Institute of Standards and Technology (NIST). This apparatus determines the humidity in a steadily flowing gas stream by first separating the water from the carrier gas using de ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=830962

10. A Reference Standard for Measuring Humidity of Air Using a Re-entrant Radio Frequency Resonator
Published: 5/2/2006
Authors: Peter H Huang, Dean C Ripple, Michael R Moldover, Gregory E Scace
Abstract: We developed a stable reference hygrometer suitable for operation at temperatures above ambient that has a robust design, inherent stability, and a well-understood theory of measurement. This hygrometer uses a reentrant, radio-frequency, cavity reson ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=902995



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