ResMed VPAP III ST-A Sleep Apnea Machine User Manual


 
34
System Specifications
Dynamic pressure characteristics
IPAP: 3 to 30 cm H
2
O (measured at the end of standard 6’6” air tubing)
EPAP: 3 to 25 cm H
2
O (measured at the end of standard 6’6” air tubing)
CPAP: 4 to 20 cm H
2
O (measured at the end of standard 6’6” air tubing)
Maximum single fault pressure: 40 cm H
2
O
Maximum flow (CPAP mode, measured at the end of standard 2 m air
tubing)
Inspiratory trigger (nominal) characteristics
The minimum flow required to initiate IPAP by ASL5000 simulator with
chronically weak efforts (R20, C20, BPM20):
For HI (high) setting: 2.5 L/min
For MED (medium) setting: 4.0 L/min
For LO (low) setting: 7.5 L/min (accuracy ± 0.5 L/min)
when tested with IPAP = 10 cm H
2
O, EPAP = 5 cm H
2
O, Rise Time = Min, 6’6”
air tubing, Ultra Mirage mask, zero leak.
Sound pressure level: <30 dB (tested in accordance with the requirements of
ISO 17510-1:2002)
Dimensions (L x W x H): 10.6” x 9.1” x 5.6”
Weight: 5.1 lb
Air outlet: 22 mm taper, compatible with EN 1281-1:1997 Anesthetic &
Respiratory Equipment - Conical Connectors
Pressure measurement: Internally mounted pressure transducer
Flow measurement: Internally mounted flow transducer
Power Supply: AC 100–240V, 2.2A ~ 50–60Hz; DC 24V, 2A
Housing Construction: Flame retardant engineering thermoplastic
Environmental Conditions
Operating temperature: +41
o
F to +95
o
F
Operating Humidity: 10–95% non-condensing
Storage and transport temperature: -4
o
F to +140
o
F
Storage and Transport Humidity: 10–95% non-condensing
Pressure
(cm H
2
O)
Flow
(L/min)
10 >220
15 >220
20 >220