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 and website
• 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.

Included

• PM2.5 Sensor(No display) 
• USB Cable 
• 2x Ni-MH Rechargeable Batteries
• Instruction manual (also available to download)

Technical & Manual

• 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)
• 868MHz UK / European transmission frequency
• 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.