Table 1.

Values measured by the FSR402 sensor during the calibration measurements in the range of 0–20 kg for three different samples of known weight of 500 (S1), 1000 (S2) e 2000 (S3) grams, respectively. The means values are also reported in the last line.

Number of Measure	Detected Value for S1	Detected Value for S2	Detected Value for S3
1	20	34	50
2	21	35	52
3	25	36	54
4	26	41	68
5	27	42	70
6	28	43	71
7	29	44	72
8	30	45	74
Mean	25.75	40	63.87