The Dräger Gas Detection App provides a general overview of gas and vapor measurement technology. The basic principles of the Dräger-Tube, Dräger Sensor and Dräger Chip Measurement System are described and a complete listing of the Dräger-Tubes and chips are provided with all relevant measurement parameters. In addition, there is an introduction to portable monitors, including electrochemical, catalytic, and infrared sensor technology, as well as a complete list of Dräger sensors and monitors. T