Dräger Evita 4 - Page 154

Flow Measurement
Minute Volume MV
Spontaneously breathed minute volume MVspon
Range 0 to 99 L/min, BTPS
1)
Resolution 0.1 L/min or for values less than 1 L/min: 0.01 L/min
Accuracy ±8 % of measured value
T 0...90 approx. 35 s
Tidal volume VTe
Spontaneously breathed tidal volume VTspon
Range 0 to 3999 mL, BTPS
1)
Resolution 1 mL
Accuracy ±8 % of measured value
Tidal volume VTASB
Inspiratory tidal volume during an ASB stroke
Range 0 to 3999 mL, BTPS
1)
Resolution 1 mL
Accuracy ±8 % of measured value
Frequency Measurement
Breathing frequency ftot
Spontaneous breathing frequency fspon
Range 0 to 150 /min
Resolution 1 /min
Accuracy ±1 /min
T 0...90 approx. 35 s
Breathing gas temperature measurement
Range 18 to 51 ºC
Resolution 1 ºC
Accuracy ±1 ºC
CO2 measurement in main flow
End-expiratory CO2 concentration etCO2
Range 0 to 100 mmHg or
0 to 13.3 Vol.% or
0 to 13.3 kPa
Resolution 1 mmHg or
0.1 Vol.% or
0.1 kPa
Accuracy
for 0 to 40 mmHg ±2 mmHg
for 40 to 100 mmHg ±5 % of measured value
T 10...90 ≤ 25 ms
Warm-up time max. 3 minutes
CO2 production *CO2
Range 0 to 999 mL/min, STPD
2)
Resolution 1 mL/min
Accuracy ±9 % of measured value
T 10...90 12 minutes
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1)
BTPS = Body Temperature, Pressure, Saturated
Measured values based on the conditions of the patient lung:
body temperature 37 °C, steam-saturated gas, ambient pressure.
2)
STPD = Standard Temperature, Pressure, Dry
Measured values based on normal physical conditions 0 °C, 1013 hPa, dry.
Technical Data
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