Ecowitt WH41 Outdoor Air Quality PM2.5 Sensor

We normally deal direct with the main importer WeatherSpares, which is why we pass you onto them to complete your purchase. However we are aware that sometimes Amazon and Others run special deals, so for your convenience, we also check every day to see what is available.  The latest information is below, so just click on the relevant price:

Ecowitt WH41 Outdoor Air Quality PM2.5 Sensor

£56.05 at Aliexpress £74.00 at Weatherspares.co.uk £79.89 at Amazon.co.uk

Amazon price updated: 21st February 2025 7:59 pm

Ecowitt WH41 Outdoor Air Quality PM2.5 Sensor

£74.00

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Weatherspares.co.uk

Features

• View currentPM 2.5 concentrations on the WS View APP after connecting to the GW1000 WIFI gateway
• View Real-time / 24 hour average AQI / 6 grades AQI indicator: Good, Moderate, Poor, Unhealthy, Severe and Hazardous
• The GW1000 Gateway supports up to four WH41 PM2.5 Air Quality Sensors. Note: Please download the latest WS View App and update the firmware to V1.4.6 to add multi-channels sensors
• Each new sensor will be recognised as a new channel according to the Power-on sequence. Please don’t forget to attach a label of the channel on each sensor for distinction.
• Battery power condition indicator on the App
• Rechargeable batteries and solar panel as backup power included.
• Indoor or outdoor use.

• Measuring range: 0~999ug/m3
• Accuracy (at 25°C ±5°C):>100ug/m3, ±15%;<100ug/m3, ±15ug/m3;
• Resolution: 1ug/m3
• Transmission distance in open field: 100m(300 feet)
• Frequency: 868MHz (UK/Europe)
• Sensor reporting interval: 10 minutes
• Power consumption 2 x NiMH batteries (included) and solar