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          Metrology

          NIST's metrology research focuses on advancing measurement science to enhance economic security and improve quality of life.

          The Romance of Precision Measurement

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          Events

          5615: Mass Metrology Seminar

          Mon, Oct 19 - Fri, Oct 30 2020
          The Mass Metrology Seminar is a two-week, "hands-on" seminar. It incorporates approximately 30 percent lectures and 70

          Industry Impacts

          Low GHG Refrigerants

          Hydrofluorocarbon (HFC) refrigerants are potent greenhouse gases (GHG) that are being phased down by the U.S. and 196 other countries under the Montreal

          Manufacturing Large Objects

          It’s expensive and time-consuming for manufacturers to ensure the large objects they make, such as aircraft wings and earth-moving equipment, are the right size

          Massive Forces for Heavy Industry

          Measuring large forces, such as the thrust of a rocket engine or the deflection of an aircraft wing, requires well-calibrated force sensors. NIST’s unique

          Projects and Programs

          IEC 62755 Standard N42 Data Format

          The purpose of the IEC 62755 standard N42 data format is to facilitate manufacturer-independent transfer of information from radiation measurement instruments

          Publications

          The Molybdenum K-shell X-ray Emission Spectrum

          Author(s)
          Marcus H. Mendenhall, Lawrence T. Hudson, Csilla I. Szabo-Foster, Albert Henins, James P. Cline
          Abstract We present newly measured spectra of the X-ray emission of a molybdenum metal anode subject to electron bombardment, using a very high dispersion

          Tools and Instruments

          Microcalorimeter Detector

          The NIST transition edge sensor microcalorimeter is energy dispersive x-ray spectrometer capable of ~5 eV resolution over a range of energies from hundreds to

          Awards

          2018 Henry Marion Howe Medal

          The ASM Henry Marion Howe Medal is awarded in memory of Dr. Henry Marion Howe, a distinguished teacher, writer, metallurgist and consultant,...
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