Weinmann MEDUMAT Standard2 - Page 242

242 EN MEDUMAT Standard
2
WM 68071 05/2021
14 Appendix
Pressure drop [hPa] over the inspiratory and expiratory flow path at different flow
rates [l/min] acc. to EN 794-3 (in combination with MEDUMAT Standard
2
, measuring
point 1: Patient connection opening)
Breathing circuits (2 m) with FlowCheck sensor and with CO
2
measurement
Flow
[l/min]
Breathing circuit
(reusable), 2 m
WM 29190
Breathing circuit
(disposable), 2 m
WM 29192
Breathing
circuit
(disposable),
2 m, with
reduced dead
space
WM 29199
With
elbow
Without
elbow
With
elbow
Without
elbow
With
elbow
Spontaneous
respiration
in event of
power failure,
inspiratory
(STP)
(1)
2.5 1.25 1.03 0.52 - 0.33
15 2.64 2.45 2.10 - 1.43
30 3.77 3.39 4.29 - 3.93
Spontaneous
respiration
in event of
power failure,
expiratory
(BTPS)
(2)
2.5 0.43 0.41 0.95 - 0.88
15 1.68 1.66 1.63 - 1.94
30 2.68 2.56 2.34 - 3.40
Normal
operation,
inspiratory
(STP)
(1)
5 0.18 0.18 0.43 - 0.08
30 1.11 1.05 1.60 - 1.28
60 2.83 2.55 3.94 - 5.90
Normal
operation,
expiratory
(BTPS)
(2)
5 0.94 1.01 1.24 - 1.09
30 2.85 2.79 2.34 - 3.40
60 4.53 4.09 3.89 - 8.11