High sensitivity to alcohol, smoke, formaldehyde, toluene, acetone, benzene, lighter gas, paint; quick response and resume; low power consumption, simple detection circui.

of Sensor Characters Rs/R0 Rs/Rs0 Acetone Alcohol H2 Methanal Toluene Iso-butane Smoke Concentration (ppm) Fig3.Typical Sensitivity Curve Rs means resistance in target gas with different concentration, R0 means resistance of sensor in clean air. A.

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