Research Article
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 |
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