The AP2C, from PROENGIN, is a portable chemical contamination control apparatus used to detect chemical agents G (GA, GB, GD, GF..), VX and HD in the form of vapor or aerosols. The AP2C is suitable for use in rough conditions: fast turn on, immediate identification and measurement, single-handed operation, simplicity of use and can be turned off without precautions. The AP2C is a flame spectrophotometer. Air containing toxic agents is drawn in and heated to a high temperature in a hydrogen burner. The elements emit rays in their spectral characteristic emissions.