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Dräger™ Flow Check Air Flow Indicator Kit

Generates a plume of smoke, making the direction and dispersion of air currents visible, as well as their relative speed

Manufacturer:  Dräger™ 6400761

Catalog No. 19-038773

Includes: Three ampules, a nozzle, and rechargeable NiCd batteries that offer about 20 minutes of operation per charge



Ideal for any applications where ventilation controls the health and safety of workers, such as paint spray booths and fume hoods. Also useful tool for air balancing, adjusting ventilation louvers in offices and institutions, and performing indoor air quality studies. Acts as a leak detector by using smoke to check airflow outside airtight doors, detecting leaks into cleanrooms or containment areas.


  • Lightweight, ergonomically designed unit offers easy, one-handed operation
  • Generates environmentally safe smoke in puffs or in a continuous cloud
  • Each smoke-generating ampule provides about five minutes of smoke


Order Info

Measures approximately 11 3/4 × 7 × 2 3/4 in. (300 × 200 × 70mm) and weighs 171/2 oz. (500g). Chargers and replacement ampules are available separately. For charger, see Cat. No. 19-130-1060.



Air Indicator Kit