Research on Tuning Fork Dimension Optimization and Density Calculation Model Based on Viscosity Compensation for Tuning Fork Density Sensor

Table 7

Measurement performance test of the sensor under different viscosity.

Viscosity (MPa·s)	Density (g/cm^3)	Improved sensor		Conventional sensor
		Measurement error (%)	Stability (%)	Measurement error (%)	Stability (%)
0.45	0.8495	0.08	0.010	-0.06	0.010
0.92	0.9523	−0.05	0.009	0.05	0.009
1.32	0.9249	0.03	0.009	0.06	0.012
1.85	0.9565	0.02	0.011	0.07	0.009
2.22	0.8603	−0.08	0.012	0.07	0.022
5.32	1.0321	−0.08	0.010	0.08	0.062
10.29	0.9226	0.02	0.015	0.1	0.082
18.25	0.9226	0.09	0.019	0.1	0.021
41.3	0.8296	−0.1	0.023	0.15	0.092
44.51	0.8295	−0.09	0.024	0.16	0.092
45.76	0.8295	−0.09	0.025	0.17	0.100
49.13	0.8295	0.08	0.023	0.19	0.102
182.81	0.8661	0.1	0.029	0.92	0.155
235.52	1.4213	0.13	0.030	1.52	0.195
480.11	1.4212	0.13	0.035	4.62	0.251