ResMed S9 VPAP Tx manual Pneumatic flow path

Sound:

DECLARED DUAL-NUMBER NOISE EMISSION VALUES in accordance with ISO 4871:1996

Sound pressure level (CPAP mode)

with SlimLine air tubing: 26 dBA with uncertainty of 2 dBA as measured according to ISO 17510-1:2007

with Standard air tubing: 27 dBA with uncertainty of 2 dBA as measured according to ISO 17510-1:2007

with either SlimLine or 28 dBA with uncertainty of 2 dBA as measured Standard air tubing and H5i: according to ISO 17510-1:2007

Sound power level (CPAP mode)

with SlimLine air tubing: 34 dBA with uncertainty of 2 dBA as measured according to ISO 17510-1:2007

with Standard air tubing: 35 dBA with uncertainty of 2 dBA as measured according to ISO 17510-1:2007

with either SlimLine or 36 dBA with uncertainty of 2 dBA as measured Standard air tubing and H5i: according to ISO 17510-1:2007

Alarm volume	Low (nominal 56 dBA), Medium (nominal 68 dBA), High (nominal 80 dBA)
settings
Physical	Dimensions (L x W x H): 6.0” x 6.8” x 3.4” (153 mm x 172 mm x 86 mm)
	Weight: 2.30 lbs (1.045 kg)
	Housing construction: Flame retardant engineering thermoplastic
	Air outlet: 22 mm conical air outlet (complies with ISO 5356-1:2004)
Air filter	Standard: Polyester non-woven fiber
	Hypoallergenic: Acrylic and polypropylene fibers in a polypropylene carrier
Supplemental	Recommended maximum supplemental oxygen: 15 L/min (CPAP, S, T, ST, ASV and
oxygen	PAC modes), 4 L/min (AutoSet, VAuto, iVAPS and ASVAuto modes)

Pneumatic flow path

	1	2	3	3			4	1.	Flow sensor
								2.	Blower
								3.	Pressure sensor
								4.	Mask
								5.	Air tubing
								6.	H5i
								7.	Alarm module
9	8			7	6	5		8.	Device
								9.	Inlet filter

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