airRohr

DIYDo It Yourself More sensor for monitoring airborne concentrations of PM2.5Particulate matter with a diameter of 2.5 micrometers or less. Also referred to as fine particles. More

Customer link and technical handbooks

Category

DIY sensors

Environmental matrix

Air

Parameters analysed

PM2.5Particulate matter with a diameter of 2.5 micrometers or less. Also referred to as fine particles. More

Detection limits

n.a.

Sensor functionalities

At the heart of the device are two accurate sensors: NovaFitness SDS011 to measure the concentration of dust in the atmosphere and Sensirion SHT31 responsible for measuring temperature and relative humidity.

The brain of the sensor is a microcontroller board with WiFi (NodeMCU V3).

Costs

250€ – 300€ aprox

Advantages

You can buy thed parts online.
Building instructions are well explained.

Limitations

Construction requires time and some knowledge of electronics and coding.

Unfortunately the delivery of parts bought online can take from days up to weeks.

Applicability

To measure the concentration of dust in the atmosphere