Aditya Pal
- @Paladitya
- | He/His
How are fire detection mechanisms tailored for outdoor environments, particularly in small forest areas, given that most fire and smoke detectors are designed for indoor use?
22 January 2024 6:35pm
Fire detection is a sort of broad idea. Usually people detect the products of fire, and most often this is smoke.
Many home fire detectors in the US use a radioactive source and measure the absorption of the radiation by the air. More smoke means more absorption.
For outdoor fire detection, PM2.5 can be a very good smoke proxy, and outdoor PM2.5 sensing is pretty accessible.
This one is very popular in my area.
Classic - Air Quality Monitor | AQI PM2.5 Indoor/Outdoor Sensor – PurpleAir
The PurpleAir Classic air quality monitor is the original and popular PurpleAir sensor. It measures real-time PM2.5 concentrations for residential, commercial, or industrial use and can be installed indoors or outdoors. Built-in WiFi enables the air quality measurement device to transmit data to the real-time PurpleAir AQI Map, which is stored and made available to any smart device. The PA-II is available in two editions. The SD edition includes an onboard SD logger to record and store data without a WiFi connection. Please note: This sensor does not come with a power adaptor. Find a suitable OUTDOOR-rated adaptor here or use your own USB power source (any 5V, 1.2 to 2.4 amp adaptor will work).
Bill Gray