ResMed 248672/1, 1 h4i manual Technical specifications, Humidifier performance

Technical specifications

Maximum heater plate temperature	85°C
Temperature cut-out	93°C
Maximum gas temperature	41°C
Dimensions (H x W x D)	Docking station and water chamber: 130 mm x 170 mm x 212 mm
Weight	Docking station and unfilled water chamber: 786 g
Water capacity	To maximum fill line: 390 mL
Power supply	100-240V 50/60Hz, 0.7-1.6A; 110V 400Hz, 0.8A
	Instantaneous power consumption: <400W
	Average power: <115W
Docking station	Flame retardant engineering thermoplastic, plated cast aluminium
Water chamber	Injection molded plastic, stainless steel and silicon seal
Operating temperature	+5°C to +35°C
Operating humidity	10–95% non-condensing
Operating altitude	Please refer to your CPAP, bilevel or non-invasive ventilation device
	user guide
Storage and transport temperature	-20°C to +60°C
Storage and transport humidity	10–95% non-condensing
IEC 60601-1 classification	Class II (double insulation), Type BF Applied Part
Electromagnetic compatibility	Please refer to your flow generator user's manual for details

Humidifier performance

The following settings have been tested at 22°C, 40% RH ambient conditions:

CPAP mask pressure		RH output %	Nominal system output AH*, BTPS†
cm H2O	Setting 3	Setting 6	Setting 3	Setting 6
4	>95	>95	16	20
10	>85	>95	14	18
20	>75	>85	13	16

*AH- Absolute Humidity in mg/L.

†BTPS- Body Temperature Pressure Saturated.

Note: The manufacturer reserves the right to change these specifications without notice.

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