A Self-Oscillating System to Measure the Conductivity and the Permittivity of Liquids within a Single Triangular Signal

Table 5

Tested lumped components calibrated values and measured fitting equation (14).

Signal	𝑅𝐿 (Ω)	𝐶𝐿 (nF)	𝐶𝑆 (nF)
𝑣𝑎(𝑡)11	1100	10	90	Cal.
	1140	10.5	86.5	Meas.
	3.6%	5%	3.9%	Err.
𝑣𝑎(𝑡)12	1600	10	90	Cal.
	1670	10.7	86.7	Meas.
	4.2%	7%	3.7%	Err.
𝑣𝑎(𝑡)13,21	2100	10	90	Cal.
	2049	10.7	87.2	Meas.
	2.4%	7%	3.1%	Err.
𝑣𝑎(𝑡)22	2100	25	90	Cal.
	2152	24.7	87.9	Meas.
	2.4%	1.2%	2.3%	Err.
𝑣𝑎(𝑡)23	2100	40	90	Cal.
	2187	38.7	88.7	Meas.
	4%	3.2%	1.4%	Err.