Omron MicroAIR U22 Instruction Manual page 23

The particle size is measured according to the provisions of the EN13544-1:2007 "Respiratory therapy
cascade impactor method.
distribution and aerosol output may vary by combination of product, medication and ambient conditions such
as temperature, humidity and atmospheric pressure.
further details.
URL: www.omron-healthcare.com
* Independently measured at SolAero Ltd., Canada, Dr. John Dennis, according to EN13544-1:2007.
** The Nebulization rate is measured with saline 0.9% solution at 23°C and can vary with medication and
ambient conditions.
0 1 .
*MMAD 4.2 μm
MMAD = Mass Median Aerodynamic Diameter
Less than 20 dB
**Greater than 0.25 ml/min (by weight loss)
*0.69 ml (2ml, 1%NaF)
*0.087 ml/min (2ml, 1%NaF)
Cumulative % particle mass of sodium fluoride under size
1
Particle Size Dp (μm)
100
90
80
70
60
50
40
Individual
30
Mean
20
MMAD 4.2 μm
10
0
1 0 1 0 0
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