Embedded Based Miniaturized Universal Electrochemical Sensing Platform

Table 1

Measurement results of the first test.

Actual concentration (ppm)	Test concentration (ppm)	Absolute error (ppm)
1	1	0
5	4	1
10	11	1
20	19	1
30	33	3
50	57	7
75	74	1
100	102	2
150	140	10