Research Article

Sensitivity Analysis of the Surface Acoustic Wave Sensor towards Size-Distributed Particulate Matter

Figure 5

Sensitivity vs. geometric mass mean diameter of 260 MHz and 520 MHz SAW to PTFE. (a) PM2.5 with 0.2∼0.6 μm and 2.2 and (b) PM10 with 2.5∼6.5 μm and 1.6.
(a)
(b)