Air Quality Monitor (PM 2.5 + Temperature & Humidity Sensor) Brand_Belkin centre-positive

centre-positive

For whatever grid size you eventually choose

we reserve the right to change this policy

meaning that there's no magic blue smoke if you accidentally plug one in the wrong way round

blue wire for signal

Air Quality Monitor (PM 2.5 + Temperature & Humidity Sensor) Brand_Belkin centre-positiveThis is a multifunction air quality monitor that can detect not only the concentration of particles but also the value of temperature and humidity. As the particle concentration sensor it can be used to obtain the number of suspended particles in the air by laser, as well as temperature and humidity. The sensor can be inserted into variable instruments related to the environment parameters in the air or other environmental improvement equipments to