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![Ecowitt WH41 Outdoor Air Quality PM2.5 Sensor Weather Spares](http://weatherspares.co.uk/cdn/shop/products/WH41PM2.5sensorairquality_1_c36621e4-51d1-4ef0-83de-1e17d0ab32d7.png?v=1654106951&width=1946)
![Ecowitt WH41 Outdoor Air Quality PM2.5 Sensor Weather Spares](http://weatherspares.co.uk/cdn/shop/products/PM2.5sensorairquality-41_7_b3841f64-1a96-4302-b5b8-dafafaa9437f.png?v=1654106951&width=1946)
![](http://weatherspares.co.uk/cdn/shop/products/PM2.5sensorairquality-41_6.png?v=1654107014&width=1946)
![Ecowitt WH41 Outdoor Air Quality PM2.5 Sensor Weather Spares](http://weatherspares.co.uk/cdn/shop/products/WH41PM2.5sensorairquality_1_c36621e4-51d1-4ef0-83de-1e17d0ab32d7.png?v=1654106951&width=1946)
![Ecowitt WH41 Outdoor Air Quality PM2.5 Sensor Weather Spares](http://weatherspares.co.uk/cdn/shop/products/PM2.5sensorairquality-41_7_b3841f64-1a96-4302-b5b8-dafafaa9437f.png?v=1654106951&width=1946)
![](http://weatherspares.co.uk/cdn/shop/products/PM2.5sensorairquality-41_6.png?v=1654107014&width=800)
![Ecowitt WH41 Outdoor Air Quality PM2.5 Sensor Weather Spares](http://weatherspares.co.uk/cdn/shop/products/WH41PM2.5sensorairquality_1_c36621e4-51d1-4ef0-83de-1e17d0ab32d7.png?v=1654106951&width=800)
![Ecowitt WH41 Outdoor Air Quality PM2.5 Sensor Weather Spares](http://weatherspares.co.uk/cdn/shop/products/PM2.5sensorairquality-41_7_b3841f64-1a96-4302-b5b8-dafafaa9437f.png?v=1654106951&width=800)
Ecowitt WH41 Outdoor Air Quality PM2.5 Sensor (433MHz or 868MHz)
- Regular price
- £74.00
- Sale price
- £74.00
- Regular price
-
£79.00 - Unit price
- / per
- Product Details
- Included
- Technical & Manual
- Reviews | Questions & Answers
- Shipping
Add the WH41 outdoor sensor to the Ecowitt WiFi gateway to add PM2.5 particle detection to your weather data. Upload to the Ecowitt network to store a history of the data.
Features
- View current PM 2.5 concentrations on the APP after connecting to the Gateway or console
- View Real-time / 24 hour average AQI / 6 grades AQI indicator: Good, Moderate, Poor, Unhealthy, Severe and Hazardous
- The Ecowitt Gateways and consoles support up to four WH41 PM2.5 Air Quality Sensors. Note: Please download the latest 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
For details on which Ecowitt weather stations support the WH41 sensor, click here to view the latest Ecowitt sensor matrix.
- PM2.5 Sensor(No display)
- USB Cable
- 2x Ni-MH Rechargeable Batteries
- Instruction manual via electronic download
- 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)
- Choice of two frequencies, 868MHz UK / European frequency or 433MHz for use with WS6006 4G station or Oceania region
- Sensor reporting interval: 10 minutes
- Power consumption 2 x NiMH batteries (included) and solar
A copy of the WH41 air quality sensor manual can be obtained by clicking here.
I installed the sensor but did have a problem with the unit which I contacted weather spares and received good advice to try and then if still needed help to send it back.Idid this and received a new unit which is working great.Thanks for the great service
UK Order Preperation & Shipping
- Economy (£4.70 or free on orders over £80) 2 to 6 working days. Some smaller items shipped at a reduced rate of £3.50
- Standard (£5.95) 1 to 2 days for mainland UK. Some smaller items shipped at a reduced rate of £4.10
- Express (£8.95) guaranteed next working day for mainland UK Highland and Islands, Northern Island 2 to 3 working days. Available on orders placed before 11am
Europe & Rest of WorldOrder Preperation & Shipping
- Europe (from £4.50) per order
- Rest of the World (from £9.60) per order
Please note that there may be local import duties (VAT/TVA) to be paid on before receipt of your goods from your local customs agent. We are registered with the European IOSS scheme which means duties will be prepaid for orders under €150
![](http://weatherspares.co.uk/cdn/shop/products/PM2.5sensorairquality-41_6.png?v=1654107014&width=900)
![Ecowitt WH41 Outdoor Air Quality PM2.5 Sensor Weather Spares](http://weatherspares.co.uk/cdn/shop/products/WH41PM2.5sensorairquality_1_c36621e4-51d1-4ef0-83de-1e17d0ab32d7.png?v=1654106951&width=900)
![Ecowitt WH41 Outdoor Air Quality PM2.5 Sensor Weather Spares](http://weatherspares.co.uk/cdn/shop/products/PM2.5sensorairquality-41_7_b3841f64-1a96-4302-b5b8-dafafaa9437f.png?v=1654106951&width=900)