Formaldehyde & TVOC Air Quality Detector – Portable CH2O Monitor with LCD Display for Home, Office & Indoor Air Testing Color:Silver shopping lists

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Formaldehyde & TVOC Air Quality Detector – Portable CH2O Monitor with LCD Display for Home, Office & Indoor Air Testing Color:Silver shopping listsProduct Name: Air Quality DetectorProduct Model: DM 72Display Mode: LCD high definition displayTest Items: Formaldehyde and TVOC in the air (including benzene) Detection Range: 0. 0001. 999 mg m (Formaldehyde)0. 0009. 999 mg m (TVOC) Detection Principle: Semiconductor gas sensor + laser scatteringDetection Time: 5 to 10 minutesSampling Method: Diffusion collectionConcentration Unit: mg m Atmospheric Pressure: 86Kpa106KpaRelative Humidity: