ResMed H4i - Manual (Page 11)

9 Technical Specifications
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Technical Specifications
Humidifier Performance
The following settings have been tested at 22°C, 40% RH ambient conditions:
Note: The manufacturer reserves the right to change these specifications without
notice.
Symbols which appear on the device
Attention, consult accompanying documents; Type CF equipment;
Class II equipment; Hot surface; Do not touch;
Maximum water level.
Maximum heater plate temperature 185°F (85°C)
Temperature cut-out 199°F (93°C)
Maximum gas temperature 106°F (41°C)
Dimensions (H x W x D) Docking station and water chamber: 5.0” x 6.7” x 8.3” (130 mm x
170 mm x 212 mm)
Weight Docking station and unfilled water chamber: 1.6 lb (732g)
Water capacity To maximum fill line: 390 mL
Power supply Input range for ResMed S8 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
* 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.
Docking station Flame retardant engineering thermoplastic, plated cast aluminium
Water chamber Injection molded plastic, stainless steel and silicon seal
Operating temperature +41°F to +95°F (+5°C to +35°C)
Operating humidity 10–95% non-condensing
Storage and transport temperature -4°F to +140°F (-20°C to +60°C)
Storage and transport humidity 10–95% non-condensing
IEC 60601-1 classification Class II (double insulation), Type CF
Electromagnetic compatibility Please refer to your flow generator user's manual for details
CPAP Mask Pressure
cm H
2
O
RH Output %
Setting 3 Setting 6
Nominal System Output AH * , BTPS †
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.