Design and Development of a Low-Cost, Portable Monitoring Device for Indoor Environment Quality

<table class="table-group" id="tab4"><tr><td><table class="table"><tr><td class="thead-hr" colspan="4"><hr/></td></tr><tr class="thead"><td class="align_left">Parameter</td><td class="align_center">Extech CO210</td><td class="align_center">IEQ unit</td><td class="align_center">CO210 − IEQ</td></tr><tr><td class="thead-hr" colspan="4"><hr/></td></tr><tr><td class="align_left">Temperature</td><td class="align_center">23.2°C</td><td class="align_center">21.3°C</td><td class="align_center">+1.9°C</td></tr><tr><td class="align_left">Humidity</td><td class="align_center">31.2%</td><td class="align_center">31.0%</td><td class="align_center">+0.2%</td></tr><tr><td class="align_left">CO<sub>2</sub></td><td class="align_center">480 ppm</td><td class="align_center">410 ppm</td><td class="align_center">+70 ppm</td></tr><tr class="table-tr"><td colspan="4"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>IEQ unit temperature, humidity, and CO<sub>2</sub> calibration.</div>

Journal of Sensors

tab4

Table 4

Table 4: Design and Development of a Low-Cost, Portable Monitoring Device for Indoor Environment Quality 