ResMed 61850/2 manual Technical Specifications, Pressure-Flow Curve

Technical Specifications

Note: The mask system does not contain latex, PVC or DEHP materials.

Pressure–Flow Curve

Vent Flow Rate (L/min)

70.0															Pressure	Flow
60.0															(cm H2O)	(± 6.0 L/min)
50.0															4	22
40.0															8	32
30.0															12	41
20.0															16	48
10.0															20	54
0.0
2	4	6	8	10	12	14	16	18	20	22	24	26	28	30

Mask Pressure (cm H2O)

Note: As a result of manufacturing variations, the vent flow may vary from that indicated in the graph.

Dead Space Information

Dead space is the empty volume of the mask up to the elbow.

The maximum dead space of the Mirage Liberty for all mask size combinations is 151 mL.

Standards

CE designation in accordance with EC directive 93/42/EEC, class IIa. ISO 14971, ISO 10993-1, ISO 17510-2, ISO 13485.

Therapy Pressure

4to 20 cm H2O

Resistance

Drop in pressure measured (nominal)

at 50 L/min: 0.5 cm H2O

at 100 L/min: 1.6 cm H2O

Sound

The A-weighted sound power of the mask is 28 dBA.

Environmental Conditions

Operating temperature: +5°C to +40°C

Operating humidity: 10%–95% relative humidity non-condensing

Storage and transport temperature: -20°C to +60°C

Storage and transport humidity: 10%–95% relative humidity non-condensing

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