Calibration of low velocity windtunnels (o-300 fpm).
Am Ind Hyg Assoc J 1975 Nov; 36(11):857-858
Low velocity wind tunnels are calibrated using cigarette smoke and measuring the time required to pass several points. A movie camera with high speed color film is used. Overall system accuracy depends on film reading.
NIOSH-Author; Measurement-instrumentation; Measurement; Photography
American Industrial Hygiene Association Journal