ResMed III ST-A user manual System Specifications, Dynamic pressure characteristics, Weight 2.3 kg

System Specifications

Dynamic pressure characteristics

IPAP: 2 cm H2O to 30 cm H2O (measured at the end of standard 2 m air tubing)

EPAP: 2 cm H2O to 25 cm H2O (measured at the end of standard 2 m air tubing)

CPAP: 4 cm H2O to 20 cm H2O (measured at the end of standard 2 m air tubing)

Maximum single fault pressure: 40 cm H2O

Maximum flow (CPAP mode, measured at the end of standard 2 m air tubing)

Pressure	Flow
(cm H2O)	(L/min)
10	>220

15>220

20>220

Sound pressure level: <30 dB (tested in accordance with the requirements of ISO 17510-1:2002)

Dimensions (L x W x H): 270 mm x 230 mm x 141 mm

Weight: 2.3 kg

Air outlet: 22 mm taper, compatible with EN 1281-1:1997 Anaesthetic & 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: +5°C to +40°C

Operating Humidity: 10%–95% non-condensing

Storage and Transport Temperature: -20°C to +60°C

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. For further details, see “Guidance and Manufacturer’s Declaration - Electromagnetic Emissions and Immunity” on page 41.

Air Filter: Two-layered, powder-bonded, polyester non-woven fiber

Air Tubing: Flexible plastic, 2 m or 3 m length

System Specifications 37