Table 3.

Uncertainty of the sensor for the measurement of density and viscosity.

	$\delta T_{\mathrm{gas}}$	$\delta P_{\mathrm{gas}}$	$\delta f_0/f_0$	$\delta \varphi /\varphi$	Mixture	Mixtures	Overall	Overall
	(0.2 K)	(20 Pa)	$(1.5e^{-5})$	$(1.3e^{-4})$	Database	Composition	Mixtures	Pure Gases
$\delta \rho /\rho \%$	–0.066	0.02	0.8	0.03	2	1	2.376	0.8035
$\delta \eta /\eta \%$	0.052	$1.9e^{-7}$	0.2	0.03	2	1	2.246	0.2088