HCHO PM2.5 CO2 Air Quality Monitor Air Quality Meter USB Charging For Laboratory Household

HCHO PM2.5 CO2 Air Quality Monitor Air Quality Meter USB Charging for Laboratory Household Specification: Condition: Item Type: Air Quality Monitor Material: ABS Color: As shown in the picture Size: Approx.127x85x50mm / 5.0x3.3x2.0in Weight: Approx.355g/12.5oz Product Model: JSM-136 ST Measuring Range: PM2.5: 0-500ug/m3 PM10: 0-999 ug/m3 Formaldehyde HCHO: 0-9.999mg/m3 TVOC: 0-99.99mg/m3 Measurement Accuracy: 0.001 Resolution: 0.001 Power: 1W Detection Technology: Air natural detection technology Display Mode: LCD color screen Digital display Warm-up Before Start-up: 120 seconds formaldehyde TVOC CO2 sensor only Charging Time: about 4 hours Error Fluctuation: 3%-30% Working Voltage: 5V Battery Capacity: 1000 mAh Standby Time: About 240-360 minutes Package List: 1 x Air Quality Monitor 1 x USB Charging Cable 1 x Instruction Manual 1 x Certificate Note: 1. Please allow 1-2cm error due to manual measurement. Thanks for your understanding. 2. Monitors are not calibrated same item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.