Electronics nose - Nano Mahidol - Mahidol University
Electronics nose - Nano Mahidol - Mahidol University
Electronics nose - Nano Mahidol - Mahidol University
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ELECTRONIC NOSE<br />
Data acquisitions:<br />
Data transfer can be used<br />
-Serial port<br />
-Parallel port<br />
-Infrared transfer (iR)<br />
-Bluetooth<br />
-Wi-Fi<br />
And to be collected by PC<br />
Experimental setup<br />
ELECTRONIC NOSE<br />
– MATLAB TM TGS2602 VOCs and odorous gases<br />
To electronics<br />
• Four commercial MOS sensors (Now)<br />
– Figaro : AF63, TGS822, TGS2600, TGS2602<br />
sensor<br />
• Static chamber + headspace analysis<br />
– Concentration of coffee = 0.12g/litre<br />
– 10 ml analytic odor in 125ml flask<br />
analyte<br />
– Sensor inserted through a tight aperture on the cap<br />
– This setup eliminates cooling effects by effluent flow<br />
• Analytic database<br />
– Operation time used in 30 min.<br />
Model Description (by manufactory)<br />
• Interface requirements<br />
AF 63 alcohol and gas leak<br />
– LabVIEW TM<br />
TGS 822 organic solvent vapors<br />
– RS-232 port<br />
TGS2600 Low concentrations of air<br />
• Analysis programming<br />
contaminates
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