Radon sampling: Passive diffusion chamber

Detection method: Alpha spectrometry

Measurement range: 0 – 20,000 Bq/m3

Accuracy/precision at 200 Bq/m3: After 7 days ~ 10 % After 2 months ~ 5 %

Sensor sampling interval: 5 minutes

Sensor to cloud latency: 5 - 10 minutes

Sensor Resolution:

• Temperature ∓ 0.1°C
• Humidity ∓ 1%
• Pressure ∓ 0.15hPa

Settling time:

• TVOC ~ 7 days
• CO₂ ~ 7 days

CO₂ details:

• NDIR Sensor (Non-Dispersive Infra-Red): 
• Measurement range 400–5000 ppm
• Non condensing 0 – 85%RH 
• Optimum Accuracy ±30ppm ±3% within 15 –
• 35°C and 0 – 80%RH can be reached after  
• multiple settling cycles on locations with
• natural indoor CO₂ fluctuations

Relative light intensity (0 - 100%)

Operational Environment: 4°C to 40°C

Weight: 219g (with batteries)

Dimensions: 12 cm (diameter) x 3.6 cm (height)

Power: 2 AA ultra long lifetime batteries

Connectivity: Airthings SmartLink

• Long range (>1km line of sight) and low power
• Supports 865-870MHz and 902-928MHz
• Based on IEEE 802.15.4g with FHSS, 50kbps

What's in the box?

• Airthings Space Plus
• 2 Lithium AA batteries
• Double-sided tape

Requirements

• Airthings Space Hub needed to post sensors values to cloud

Package

• Dimension: 158x158x79mm
• Weight: 346g
• Dimension: 153x153x46mm