Technical Specifications; Humidifier Performance - ResMed H4i User Manual

Technical Specifications

Maximum heater plate temperature
Temperature cut-out
Maximum gas temperature
Dimensions (H x W x D)
Weight
Water capacity
Power supply
Docking station
Water chamber
Operating temperature
Operating humidity
Storage and transport temperature
Storage and transport humidity
IEC 60601-1 classification
Electromagnetic compatibility
* Actual average power consumption will vary depending on factors such as temperature setting, set
pressure, the use of accessories, height above sea level and ambient temperature.

Humidifier Performance

The following settings have been tested at 22°C, 40% RH ambient conditions:
CPAP Mask Pressure
cm H O
2
4
10
20
* AH- Absolute Humidity in mg/L.
† BTPS- Body Temperature Pressure Saturated.
Note: The manufacturer reserves the right to change these specifications without notice.
10
85°C
93°C
41°C
Docking station and water chamber: 130 mm x 170 mm x 212 mm
Docking station and unfilled water chamber: 774 g
To maximum fill line: 390 mL
Input range for ResMed VPAP flow generator with H4i: 100–240V,
50/60Hz; 110V, 400Hz; 2.5A <140 VA (110 W) (max. power
consumption) Instantaneous peak power consumption <340 VA
Maximum heater element power: 85 W
Flame retardant engineering thermoplastic, plated cast aluminium
Injection molded plastic, stainless steel and silicon seal
+5°C to +35°C
10–95% non-condensing
-20°C to +60°C
10–95% non-condensing
Class II (double insulation), Type CF
Please refer to your flow generator user's manual for details
RH Output %
Setting 3 Setting 6
>95 >95
>85 >95
>75 >85
Nominal System Output AH
Setting 3 Setting 6
16 20
14 18
13 16
*
* †
, BTPS