High pressure calibration with a new absolute pressure gauge
The simultaneous measurement of length and transit time of a specimen under pressure was used to develop a new way of determining absolute high pressure. The mercury freezing point at 0 deg C was deterinined with this new method at 7571.2 plus or minus 1.6 bars. Accurate high-pressure calibration of secondary pressure gages such as manganin gages is possible with this method. The maximum deviation from linearity of the present gage studied is 11.6 plus or minus 1 bars between atmospheric pressure and the mercury freezing point at 0 deg C. (auth)
- Research Organization:
- Cornell Univ., Ithaca, N.Y. (USA)
- NSA Number:
- NSA-29-004737
- OSTI ID:
- 4392143
- Report Number(s):
- COO--3153-103
- Country of Publication:
- United States
- Language:
- English
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