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          Displaying 1 - 6 of 6
              Dew-point measurements for water in compressed gasesThis project has been completed. The paper reporting the results is provided here . The NIST Thermodynamic Metrology Group (TMG) used its standard gravimetric
  Dynamic Humidity Measurements with the Hybrid Humidity GeneratorThe NIST Hybrid Humidity Generator (HHG) is NIST’s primary standard humidity generator and is used for calibration of all hygrometers sent to NIST. The HHG and
  Leak ArtifactsLeak artifacts are calibrated in the range 1 x 10 -6 to 1 x 10 -13 mol/s (2 x 10 -2 to 2 x 10 -9 std. cm 3 /s at 0 °C). The calibration can be performed
  Low Pressure GaugesNIST has developed best-in-the-world primary standard pressure measurement capabilities for pressures spanning the range of 0.01 Pa to 360 kPa through the
  Piston gauges and pressure transducersPiston gauges are used to calibrate customer piston gauges and pressure sensing devices. Piston gauges are calibrated via a direct comparison to another piston
  Vacuum GaugesMost calibrations of vacuum gauges are based on a known gas flow rate that is generated by one of two flow meters that operate at constant pressure. The "piston
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