Dräger-Tubesâ„¢ are used together with a Dräger tube pump for measurements of gases, vapors and aerosols, usually in air, and are one of the classic methods of gas analysis. This Dräger-Tube is used for the detection of acrylonitrile and has the following standard measuring range: 0.2-4 ppm 5-50 ppm Measurements: 10