
smart/AQM Air Quality Monitor
smart/AQM is an IoT-enabled air quality sensor for measuring the visibility of particles and the concentration of toxic gases in tunnels or enclosed spaces. It can be equipped with up to 3 electrochemical gas sensor modules.

smart/ECS Multi Gas Sensor
smart/ECS is an IoT enabled multi gas sensor to detect toxic gases in tunnels or closed spaces. It can be equipped with up to 4 electrochemical gas sensor modules.