Weinmann MEDUMAT Standard2 - Page 244

244 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 (3 m) with FlowCheck sensor and with CO
2
measurement
Flow
[l/min]
Breathing circuit (reusable),
3 m
WM 29191
Breathing circuit
(disposable), 3 m
WM 29193
With elbow
Without
elbow
With elbow
Without
elbow
Spontaneous
breathing in event
of power failure,
inspiratory (STP)
(1)
2.5 1.65 1.46 0.27 -
15 3.21 3.01 1.73 -
30 4.08 3.81 4.08 -
Spontaneous
breathing in event
of power failure,
expiratory
(BTPS)
(2)
2.5 0.52 0.43 0.53 -
15 2.02 1.95 1.30 -
30 2.93 2.82 2.05 -
Normal operation,
inspiratory (STP)
(1)
5 0.58 0.57 0.22 -
30 1.37 1.34 1.21 -
60 2.97 2.86 3.94 -
Normal operation,
expiratory
(BTPS)
(2)
5 1.44 1.02 0.73 -
30 3.00 2.83 2.05 -
60 4.68 4.39 3.66 -