- Praxis/Handheld (engineering prototypes in use)
Personal air quality monitoring - the device can be hand-carried, attached to a backpack, or for in-vehicle use.
* Environmental range from -40 to +50 C.
* Any one gas from CO, H2S, NO, NO2, O3, SO2 and undifferentiated VOCs. (CO2 available later.)
* PM1, PM2.5 and PM10.
* GPS / GLONASS receiver.
* Variable sampling rates with a frequency up to every five seconds.
* Designed to connect to the user's mobile phone Wi-Fi hotspot real-time data delivery to the cloud or batch upload of data on return to base using Wi-Fi or ethernet.
* 5 Volt USB power input, lithium-ion (Lion) rechargeable battery for up to 10 hours operation.
* Runs Raspian operating system for robust operation.
The Handheld is currently being evaluated in the field. It is available to selected customers as an experimental device.