Dräger-Bio-Check F is an enzyme-based badge measurement system for conducting guideline measurements of formaldehyde which can be used without any additional accessories. Dräger-Bio-Check F has been tested by a number of organizations, e.g. in Germany by TÜV, Stiftung Warentest and Ökotest. Dräger-Bio-Check F is suitable for guideline formaldehyde measurements - especially for laypersons' (test 6/95).

Instructions for use:

• Press start button
• Position instrument in room
• After 2 hours, check results against enclosed colour comparison strip