Fixed Point Calibrations of Pressure Gauges
- 1 October 1965
- journal article
- research article
- Published by AIP Publishing in Review of Scientific Instruments
- Vol. 36 (10), 1456-1459
- https://doi.org/10.1063/1.1719356
Abstract
Manganin gauges were calibrated at five fixed points, and the resulting calibration compared with that obtained at a single fixed point, or at three fixed points. For most work three points are sufficient. The nonlinearity is 0.135%/kbar. Manganin gauges intercompared agree within one bar to 10 kbar. Pressures of the H2O L‐III‐V, L‐V‐VI triple points and melting pressure of VI at 25°C were determined. It was not found possible to prepare a gold‐chromium coil which was free of hysteresis.Keywords
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