Portable RF-Sensor System for the Monitoring of Air Pollution and Water Contamination

<table class="table-group" id="tab1"><tr><td><table class="table"><tr><td class="thead-hr" colspan="2"><hr/></td></tr><tr><td align="left">Size</td><td align="center">170 × 120 mm<sup>2</sup></td></tr><tr><td align="left">MCU</td><td align="center">ATmega128</td></tr><tr><td align="left">Frequency</td><td align="center">400 MHz</td></tr><tr><td align="left">Antenna</td><td align="center">5 dBi monopole</td></tr><tr><td align="left">Power</td><td align="center">9 V DC</td></tr><tr><td align="left">VOC sensitivity</td><td align="center">10–1000 ppm</td></tr><tr><td align="left">O<sub>3</sub> sensitivity</td><td align="center">0.01–1 ppm</td></tr><tr><td align="left">NO<sub>2</sub> sensitivity</td><td align="center">0.02–5 ppm</td></tr><tr class="table-tr"><td colspan="2"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

Specifications of the hardware and the sensors.

Journal of Analytical Methods in Chemistry

tab1

Table 1

Table 1: Portable RF-Sensor System for the Monitoring of Air Pollution and Water Contamination 