Transcend Micro - Sound Performance Metrics

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Sound
Values determined according to ISO 80601-2-70:2020 and are reported according to ISO
4871
Sound pressure level (@ 10cm H20
pressure, static)*
27 dBA with an uncertainty of 2 dBA
Sound pressure level (@ 10cm H20
pressure, static)
31 dBA with an uncertainty of 2 dBA
Sound power level (@ 10cm H20
pressure, static)
39 dBA with an uncertainty of 2 dBA
*Sound pressure level reported in a typical use environment
Maximum flow
rate (typical)
Test Pressures
4 cm
H
2
O
8 cm
H
2
O
12 cm
H
2
O
16 cm
H
2
O
20 cm
H
2
O
Measured
pressure at
the patient
connection
port (hPa)
2.59
6.78
10.84
14.94
19.02
Average flow
at the patient
connection
port (l/min)
69.08
70.43
71.39
70.86
70.96