
®
7
Performance Test
©
F. Stephan GmbH
SA-103-0109V1.3-HAO-GB 23
7 Performance
Test
Fig. 3: Gas Mixing Unit
Proportioning valves (1) on flowmeter unit closed
7.1
Execution of the Test
Cautiously open the proportioning spindle for oxygen while
observing the respiratory pressure gauge (2). Fill pipe line system,
until the respiratory pressure gauge comes to a standstill at constantly
60 mbar.
The float of the oxygen flowmeter now indicates the dimension of the
leakage.
Fig. 4: Proportioning spindle for oxygen