Dräger Medical Savina 5664.900, Руководство пользователя, Страница: 89 / 369

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Dräger Medical AG & Co. KGaA Service Mode Savina Version 3.0
Page 89
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Test step 14 is used to check the correspondence between the inspiratory "Flowinsp" and the
expiratory "Flowexp" flow measurement. The bypass valve (V1) can be set with "Pressure bypass".
0 means the bypass valve is open. No pressure is built up. When the bypass valve is closed, a
corresponding pressure is built up (the expiratory valve is "sealed" with 30 mbar and air flows.
Measured value: "Flowexp" = "Flowinsp" ±13% (from "Flowinsp")
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Test step 15 is used to set the calibration classes of the bypass valve (V1) and of the expiratory
valve (V3). "Bypass valve cal. class" is used to set the calibration class of the bypass valve; "Exp.
valve cal. class" is used to set the calibration class of the expiratory valve.
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Test step 16 is used to display the internal device temperature in degree centigrade (°C) and
Fahrenheit (°F). The temperature is measured with a temperature sensor located on the
Control PCB. At normal ambient temperature, the internal device temperature is between 15 °C
and 45 °C or 59 °F and 113 °F.
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Bypass
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Expiratory valve V3