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 DrägerTube is used for the detection of phosphine in acetlyene and has the following standard measuring ranges: 1-15 ppm 0.1-1 ppm Measurements: 10