Dräger Bump Test Station X-am / PacThe Drger Bump Test Station is easy to use, stand alone and completely portable. Functionality tests of gas detection and warning devices can be carried out quickly and easily on site. Designed to perform a bump test (also known as a function test or challenge test) for portable X am and Pac gas detection instruments with gas. Key Features Easy to use, stand alone and portable No requirement of any power source Includes gas regulator and instrument