A Low-Cost Sensor for Detecting Illicit Discharge in Sewerage

Table 5

Errors in the LDR 0°.

	Solids (mg/l)	Yellow P1	Yellow P2	Red P1	Red P2	White P1	White P2
Relative error (%)	80	9.2	19.3	17.2	19.5	8.3	19.6
	320	13.5	4.9	15.4	54.6	8.9	18.5
Absolute error (mg/l)	80	7.4	15.5	13.8	15.6	6.6	15.7
	320	43.4	15.7	49.2	174.8	28.6	59.1