
6
General technical specifications
S9 technical specifications
90W power supply unit Input range 100–240V, 50–60Hz,
Nominal for aircraft use 110V, 400Hz
Typical power consumption 70W (80VA)
Maximum power consumption 110W (120VA)
30W power supply unit Input range 100–240V, 50–60Hz,
Nominal for aircraft use 110V, 400Hz
Typical power consumption 20W (30VA)
Maximum power consumption 36W (75VA)
Operating temperature 41ºF to 95ºF (+5ºC to +35ºC)
Operating humidity 10–95% non-condensing
Operating altitude Sea level to 8,500’ (2,591 m)
Storage and transport temperature -4ºF to 140ºF (-20ºC to +60ºC)
Storage and transport humidity 10–95% non-condensing
Electromagnetic compatibility Product complies with all applicable electromagnetic
compatibility requirements (EMC) according to IEC60601-1-
2, for residential, commercial, and light industry
environments. Information regarding the electromagnetic
emissions and immunity of these ResMed devices can be
found on www.resmed.com, on the Products page under
Service and Support. Click on the PDF file for your
language.
Aircraft use ResMed confirms that the S9 Series meets the Federal
Aviation Administration (FAA) requirements (RTCA/DO-
160F) for all phases of air travel.
IEC 60601-1 classification Class II (double insulation), Type BF
Operating pressure range 4 to 20 cm H2O
Maximum single fault steady state
pressure
30 cm H2O
Pressure measurement tolerance ±0.5 cm H2O ± 4% of the measured reading
Flow measurement tolerance ±6 L/min or 10% of reading, whichever is greater
DECLARED DUAL-NUMBER NOISE EMISSION VALUES in accordance with ISO 4871:
Sound pressure level 24 dBA as measured according to ISO 17510-1:2002
26 dBA with uncertainty of 2 dBA as measured according
to ISO 17510-1:2007
368218r2.book Page 6 Tuesday, April 20, 2010 3:10 PM