Smart River Monitoring Using Wireless Sensor Networks

Table 3

Summary of data collection from September 30, 2018, to February 13, 2019.

Sensor probe	Number of readings	Average reading	Standard deviation
Calcium ion (Ca2+) sensor	3266	3.13	0.455
Fluoride ion (F-) sensor	3239	0.12	0.0093
Conductivity sensor	4302	186.11	70.106
pH sensor	4294	9.86	5.19
Oxidation-reduction potential	431	0.098	0.035
Dissolved oxygen sensor	432	17.36	30.439
Temperature sensor one	3251	30.91	1.258
Temperature sensor two	17	25.87	10.124
Temperature sensor five	433	31.65	1.549