Air velocity (f/m) Air velocity (f/m) Air velocity (f/m) 
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Design Handbook on Animal Research Facilities Using Static Microisolators 
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Air velocity sample (100 Hz) 
Air velocity sample (40 Hz) 
Figure 4.1.10. Comparison of air velocity fluctuations at different sampling frequencies. 
Upper: 100 Hz; Middle: 40 Hz; and Lower: 20 Hz. 
