Air Exchange Rate Test determine the total air volume get in to the room within a clean room. The use of TSI Accubalance Air Capture Hoods of Model No.8371, assures accurate test results. The hood measures air volume flowing through registers, diffusers and grills. Weighing just 7.5 pounds, these air capture hoods are easy to use and carry. These hoods simply hold the accubalance up to a diffuser or grill and read direct supply or exhaust airflow on the large digital display.
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