ResMed III ST-A Humidifier User Manual


 
17System Specifications
English
Displayed values
* Results may be inaccurate in the presence of leaks or supplemental oxygen.
** The displayed values are estimates. They are provided for trending purposes only.
Results may be inaccurate if the tidal volume is below 50mL.
Notes:
The manufacturer reserves the right to change these specifications without notice.
Further clinical information is available through your authorised ResMed service centre.
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 ISO 5356-1:2004 Anaesthetic &
Respiratory Equipment - Conical Connectors
Pressure measurement: Internally mounted pressure transducer
Flow measurement: Internally mounted flow transducer
Power supply: AC 100–240V, 50–60Hz, 2.2A; AC 110V, 400 Hz, 2.2A;
DC 24V, 2A
Housing construction: Flame retardant engineering thermoplastic
Environmental
conditions:
Operating Temperature: +5°C to +35°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 19.
Air filter: Two-layered, powder-bonded, polyester non-woven fibre
Air tubing: Flexible plastic, 2 m or 3 m length
IEC 60601-1
classifications:
Class II (double insulation)
Type CF
Continuous operation
This flow generator is not suitable for use in the presence of a flammable anaesthetic mixture
with air, or with oxygen or nitrous oxide entrained in the flow generator airpath.
Value Range Accuracy Display Resolution
Pressure sensor at air outlet
Pressure -5 to 30 cm H
2
O ±0.5 cm H
2
O (+ 4% of
measured value)
0.1 cm H
2
O
Flow sensor in flow generator*
Leak 0–120 L/min ** 1 L/min
Tidal volume 50–3,000 mL ** 1 mL
Respiratory rate 6–60 BPM ±0.5 BPM
1 BPM
Minute ventilation 0.6–60 L/min ** 0.1 L/min