Source

Identification^a

Method

10¹¹ G

m³∙kg⁻¹∙s⁻²

Rel. stand.

uncert u_r

Luther, Towler (1982)

NIST-82

Fiber torsion balance,

6.67248 (43)

6.4 × 10⁻⁵

dynamic mode

7.5 × 10⁻⁵

Karagioz, Izmailov (1996)

TR & D-96

Fiber torsion balance,

6.6729 (5)

dynamic mode

1.0 × 10⁻⁴

Bagley, Luther (1997)

LANL-97

Fiber torsion balance,

6.67398 (70)

dynamic mode

1.4 × 10⁻⁵

Gundlach, Merkowitz

UWash-00

Fiber torsion balance,

6.674255 (92)

dynamic compensation

4.0 × 10⁻⁵

Quinn, et al. (2001)

BIPM-01

Strip torsion balance, compen-

6.67559 (27)

sation mode, static deflection

1.5 × 10⁻⁴

Kleinevoß, et al. (2002)

UWup-02

Suspended body,

6.67422 (98)

displacement

4.0 × 10⁻⁵

Armstrong, Fitzgerald (2003)

MSL-03

Strip torsion balance,

6.67387 (27)

compensation mode

1.3 × 10⁻⁴

Hu, et al. (2005)

HUST-05

Fiber torsion balance,

6.67228 (87)

dynamic mode

1.9 × 10⁻⁵

Schlamminger, et al. (2006)

UZur-06

Stationary body,

6.67425 (12)

weight change

2.7 × 10⁻⁵

Luo et al. (2009); Tu, et al.

HUST-09

Fiber torsion balance,

6.67349 (18)

dynamic mode

2.1 × 10⁻⁵

Parks and Faller (2010)

JILA-10

Suspended body,

6.67234 (14)

displacement