Yuwell YH-480A, User Manual

Page: 11 / 16

17 18
Environment
conditions Temperature O5
℃
~ 35
℃
(
+41
℉
~ 95
℉ )
Non-
condensing
Transport and storage:-20
℃ ~ 70 ℃ (-4 ℉ ~
158 ℉ ) Non-condensing
Humidity Operate: relative humidity 15%-90% Non-
condensing
Transport and storage: relative humidity 15%-
90% Non-condensing
Atmospheric pressure range 700 hPa~1060 hPa
Altitude ≤3000 m
Protection class Type of Protection Against Electric Shock: Class Ⅱ
Degree of Protection Against Ingress of Water: IP21 (the device)
IP22 (the Power adapter)
Degree of Protection Against Electric Shock: Type BF Applied Part
Mode of
operation Continuous operation
Maximum single
fault steady
pressure Device will shut down in the presence of a single fault if the steady state
pressure exceeds: 40 cmH
2
O
Sound Sound pressure level Sound pressure level measured according
to ISO 80601-2-70:2015 (CPAP mode) :
28±2 dB (A)
Sound power level Sound power level measured according to
ISO 80601-2-70:2015 (CPAP mode) : 36±2
dB (A)
Physical
properties Dimensions
(length*width*height) 285 mm*155 mm*125 mm or
11.2'' * 6.1'' * 4.9''
Weight About 1500 g
Heated tubing Plastic hose, about 1.8 m
Maximum volume of
water tank 260 ± 10 mL
Air outlet 22 mm (complies with ISO 5356-1:2015)
Temperature Maximum temperature
of heater plate
55℃ ±4℃ ( 131℉ ±14.4℉ )
Cut-out 110 ℃( if it is damaged, return to manufacturer)
Maximum gas temperature 43 ℃
Air filter Material: Polyester non-woven fiber
Average arrestance: ≥ 85% for~2.5 micron dust
Therapy pressure 4~20 hPa (adjustable, step is 0.5 hPa) or 4~20 cmH
2
O
Initial pressure 4~20 hPa (adjustable, step is 0.5 hPa) or 4~20 cmH
2
O
Maximum
pressure 4~20 hPa (adjustable, step is 0.5 hPa) or 4~20 cmH
2
O
Minimum
pressure 4~20 hPa (≤ maximum pressure, adjustable, step is 0.5 hPa) or 4~20 cmH
2
O
Ramp 0~45 minutes (adjustable, step is 5 minutes)
Gas leakage 2 L/min at the maximum rated pressure
Maximum
flowrate
The performance of the device at set pressure according to ISO 80601-2-
70:2015 is shown below
Test pressures(hPa) 4 8 12 16 20
Average flow at the PATIENT-
CONNECTION PORT (L/min)
≥100 ≥100 ≥100 ≥100 ≥100
Pneumatic flow path:
Atmosphere Filter Blower Air tube
Flow sensor
Pressure sensor
Leak
Mask
Humidifier
performance
Humidification system output: ≥ 12 mg/L
(The humidifier belongs to Category 2 according to the standard ISO 80601-2-
74:2017)
Relative humidity: ≥ 50%