Table 1.

Calibration Constants of Wires.

	Temperature Range of L.S. Fit	Number of Points in Fit	Applicable Temperature Range	A(Ω)	B(Ω K−1)	Coefficients C(Ω K−2)	D(Ω (MPa)−1)	Standard Deviation of Fit, One Sigma	Equivalent Error in T
Long wire	76 – 158 K	707	77 – 150 K	−10.231206	0.3670809	−0.9903371 × 10−4	−7.796325 × 10−4	0.01 Ω	0.023 K
	142 – 305 K	1684	150 – 315 K	− 9.065472	0.3534445	−0.5923443 × 10−4	−1.401463 × 10−3	0.019 Ω	0.054 K
Short wire	76 – 158 K	707	77 – 150 K	− 5.057558	0.1823527	−0.5257280 × 10−4	−4.144377 × 10−4	0.01 Ω	0.059 K
	142 – 305 K	1684	150 – 315 K	− 4.346459	0.1740251	−0.2831553 × 10−4	−6.565822 × 10−4	0.011 Ω	0.065 K