Spirit Level

* PM2.5 Measuring Range: 0~999 ug/m³ * Detected Grain Size Range: 0.3~10 um * Measuring Tolerance: 0-100μg/m³: ±15μg/m³； 101-1000μg/m³: ±15% (Monitor Condition: 25±2°C, 50±10%RH, TSI8530, Cigarette, GBT18801-2015) * Response Time: <30S * Display Resolution: 1 ug/m³ * Sensor type: Laser Sensor * Temperature Measuring Range: 0°C~50°C * Temperature Tolerance: ±1°C * Temperature Resolution: 1°C * Humidity Measuring Range: 20%~95% * Humidity Tolerance: ±5% * Humidity Resolution: 1% * Thermo-hygrometer Display when Out of The Measuring Range: Low End: LL High End: HH * Working Humidity: 0%~ 80%RH (No Condensation) * MAX/MIN Records: PM2.5/Temperature/Humidity * Storage Temperature: -20°C~60°C * Storage Humidity: 20%~80% * Other Functions: Time/Alarm Backlight Brightness Adjustment °C/°F Switch * Product Net Weight: 154g