Weinmann MEDUMAT Standard2 - Page 243

WM 68071 05/2021
MEDUMAT Standard
2
EN 243
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) without FlowCheck sensor and without CO
2
measurement
Flow
[l/min]
Breathing circuit (reusable),
3 m
WM 28861
Breathing circuit
(disposable), 3 m
WM 28866
With
elbow
Without
elbow
With
elbow
Without
elbow
Spontaneous
breathing in event
of power failure,
inspiratory (STP)
(1)
2.5 0.35 0.32 0.35 0.18
15 1.25 1.19 1.64 1.52
30 2.75 2.68 3.78 3.46
Spontaneous
breathing in event
of power failure,
expiratory
(BTPS)
(2)
2.5 0.54 0.83 0.48 0.45
15 1.29 1.35 1.18 1.04
30 1.75 1.75 1.65 1.49
Normal operation,
inspiratory (STP)
(1)
5 0.00 0.00 0.20 0.13
30 0.15 0.12 1.21 0.81
60 0.40 0.15 3.07 2.04
Normal operation,
expiratory
(BTPS)
(2)
5 0.80 1.05 0.71 0.63
30 1.75 1.72 1.65 1.49
60 2.39 2.29 2.65 2.08