The automatic chromatographic analyser ACA-LIGA is designed for measuring mass concentrations of: benzene, toluene, ethylbenzene, m-xylene, p-xylene, o-xylene, chlorobenzene, styrene, phenol, dimethylbenzene (mixture of o-, m-, p- isomers) in atmospheric air. Measuring range of mass concentrations: benzene, m-xylene, p-xylene, o-xylene and chlorobenzene from 0 to 5.0 mg/m3; ethylbenzene, styrene and phenol from 0 to 1.0 mg/m3; toluene from 0 to 10 mg/m3; dimethylbenzene from 0 to 15 mg/m3.
Relative error tolerance limits: ±15%. The analyser is a stationary instrument, single unit, equipped with a 10-inch touch screen display for control and indication of measurement results.
The operating principle of the analyser is based on sample pre-concentration, chromatographic separation of sample components and photo-ionisation detection. The analyser is a measuring instrument of approved type.
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