GCOM-3000-VOCs is a VOCs monitoring product which use international mainstream chromatographic methods. It can monitor organic pollutant gases such as methane, the total hydrocarbon, non methane total hydrocarbon, low-carbon aldehyde ketone, benzene series( benzene, toluene, xylene, ethyl benzene, isopropyl benzene) and part of halogenated hydrocarbons by using FID detector and high performance chromatographic separation column.