C M Sutton and M P Fitzgerald 2009 Metrologia 46 655 doi:10.1088/0026-1394/46/6/007
C M Sutton and M P Fitzgerald
Show affiliationsIn this paper, the aspects of gas-operated pressure balances that affect their performance are discussed. These aspects include both the features that make gas-operated pressure balances suitable for use as pressure standards and the factors that must be managed to achieve good performance. As key features, gas-operated pressure balances are pressure generators, have excellent relative short-term stability (~5 × 10−9) and long-term stability (~1 × 10−6), and can be used as primary standards. Factors to manage include harmonic oscillation of the piston in the cylinder, pressure balance temperature and operating height, and geometric imperfections. Three applications are used to illustrate the performance aspects of gas-operated pressure balances: a primary standard, a standard for differential pressure from <1 Pa to >1000 Pa and a standard for absolute pressure from <10 Pa to 10 kPa.
06.20.fb Standards and calibration
06.30.-k Measurements common to several branches of physics and astronomy
Issue 6 (December 2009)
Received 27 May 2009, in final form 23 September 2009
Published 14 October 2009
C M Sutton and M P Fitzgerald 2009 Metrologia 46 655
I D Culverwell et al 1989 Plasma Phys. Control. Fusion 31 387
Saurya Das et al 2005 Class. Quantum Grav. 22 453
L Bombelli et al 1992 J. Phys. A: Math. Gen. 25 1309
R J Allan 1986 J. Phys. B: At. Mol. Phys. 19 321
Nathan W Mehrtens et al 1997 Phys. Med. Biol. 42 997
Richard Bamler and Philipp Hartl 1998 Inverse Problems 14 R1
Damiano Anselmi 1997 Class. Quantum Grav. 14 2031
H C Lee 1996 J. Phys. A: Math. Gen. 29 393
G Parisi 1980 J. Phys. A: Math. Gen. 13 L115