Published January 1, 2018
| Version v1
Journal article
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Calibration methods for negative gauge pressure down to-100 kPa
Creators
- 1. LCM, LNE, 1 Rue Gaston Boissier, F-75015 Paris, France
- 2. Tubitak UME, Natl Metrol Inst, TR-41470 Gebze, Turkey
- 3. CMI, Okruzni 31, Brno 63800, Czech Republic
- 4. PTB, Bundesallee 100, D-38116 Braunschweig, Germany
Description
The measurement of negative gauge pressure is a field of increasing importance in science and industry. One of the main aims of the EMPIR Joint Research Project 14IND 06 pres2vac is to develop guidelines for it. We present a comparison of three different methods for measuring negative gauge pressure: (i) using two absolute pressure measuring instruments, (ii) generating a negative gauge pressure in the bell jar of the pressure balance, and (iii) using a 'hanging piston' pressure balance. The advantages and drawbacks are discussed and some preliminary results presented.
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