Fine Offset Electronics Co Ltd
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描述
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描述
- Main Features
- Measures PM 2.5 current and max value for 1h/24h/since last reset
- Indoor temperature and humidity
- 6 Grades Air Quality Levels Indicator: Good, Moderate, Mild, Unhealthy, Severe and Hazardous
- Rechargeable batteries and solar panel as backup power
- Temperature units °C/°F selectable
- Specifications
- Line of sight wireless transmission (in open air): 100meters
- Frequency: 433 MHz
- Update Rate: 60 seconds （indoor T&H）
- 10 minute (PM 2.5 data).
- Indoor temperature measure range: 14 to 140 °F(-9.9 to 60°C).
- Accuracy ± 1°F/±0.5°C, Resolution: 0.1 °F/ °C
- Indoor humidity measure range: 1% to 99%.
Accuracy +/- 3% RH (@25°C. , 30%RH to 80%RH).
Accuracy +/- 5% RH (@25°C. , 1%RH to29%RH；80%RH to 99%RH). - PM 2.5 measure range: 0~999ug/m3
Accuracy: >100ug/m3, ±15% - <100ug/m3, ±15ug/m3
- Resolution: 1ug/m3
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