AKCP, the world’s oldest and largest supplier of networked wired and wireless sensor solutions, has released their Wireless Tunnel™ Air Quality Sensor.

Combining air particles, volatile organic compounds (VOC), temperature and humidity in a single sensor. Values are checked against user defined thresholds once every 10 seconds. The sensor detects various Metal Oxide (MOx) gases, displaying the value as a VOC Index.

Examples of these gases are :
– Acetone (eg. paints and glues)
– Toluene (eg. furniture)
– Ethanol (eg. perfume, cleaning fluids)
– Hydrogen Sulfide (eg. decaying food)
– Benzene (eg. Cigarette smoke)

wireless tunnel air quality sensor

The VOC Index is measured on a logarithmic scale relative to the typical indoor gas composition over the past 24 hours. With a range of 0 to 500, the typical value for a normal environment being 100. Values greater than 100 indicate worsening air quality with a higher concentration of metal oxide gases over the past 24 hours. Values lower than 100 indicate improving air quality.

Air particles are monitored with detection for 5 different sizes. PM0.5, PM1.0, PM2.5, PM4 and PM10. The sensor is able to measure the mass concentration of particles in the PM1.0 to PM10 range and particle number concentration in the PM0.5 to PM10 range. The typical particle size is also measured. This measurement is based on the average size of the current sample.

An air particle sensor is utilized during indoor air quality (IAQ) assessments of clean rooms and workplaces. The specific type of particles is not detected, but it identifies the quantity or mass of airborne particles.

These air particles could be sourced from :
– Exhaust smoke
– Airborne dust particles
– Pollen

Airborne pollutants can be a health hazard, and result in sneezing, headaches, asthma and other medical conditions. In addition, during many agricultural and industrial processes, airborne dust can be a serious hazard forming combustible dust clouds.



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