AVEA ventilator systems Appendix B: Specifications 203
L2786 Rev. M
Analog Inputs
The ventilator provides 2 programmable channels for analog signal inputs as shown above. Each channel is scalable for
the input ranges specified.
Ranges: 0 to 1 VDC
0 to 5 VDC
0 to 10 VDC
Resolution: 0.25 mV (for 0 to 1 VDC)
1.37 mV (for 0 to 5 VDC)
2.5 mV (for 0 to 10 VDC)
Analog Outputs
The ventilator provides 4 signals to the analog output connector:
1. Airway Pressure, P
AW:
Range: -60 to 140 cmH
2
O
Scale: 1 cmH
2
O/25 mV
Accuracy: ± 50 mV or ± 5% of reading, whichever is greater
Zero Offset: 1.5 VDC at 0 cmH
2
O
2. Flow
Inspiratory/Expiratory
:
When selected, the ventilator provides a continuous analog voltage representative of inspiratory flow minus
expiratory flow.
Range: -300 to 200 L/min (Adult)
-120 to 80 L/min (Pediatric)
-60 to 40 L/min (Neonate)
Scale Factor: 1 L/min / 10 mV (Adult)
1 L/min / 25 mV (Pediatric)
1 L/min / 50 mV (Neonate)
Accuracy: ± 10% of reading or ± 30 mV, whichever is greater
Zero Offset: 3.0 VDC at 0 L/min
Machine:
When selected, the ventilator provides a continuous analog voltage representative of machine delivered flow.
Range: 0 to 200 L/min (Adult)
0 to 100 L/min (Pediatric)
0 to 50 L/min (Neonate)
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