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Environment temperature range: - 40°C~+55°C
Relative humidity range: ≤95 %
Atmospheric pressure range: 500 hPa~1060 hPa
(2) Operation:
Environment temperature range: 10°C~40°C
Relative humidity range: ≤75%
Atmospheric pressure range: 700 hPa~1060 hPa
Battery type: 3.7V Chargeable lithium battery
Operation voltage: 3.6 V DC ~ 4.2V DC.
Operation current: :≤100 mA
Display screen: LCD display screen
Performance parameters
(1) Nose air ow measurement:
Measurement range: 0rpm~40rpm
Resolution: 1rpm
Accuracy: ±2rpm
(2) SpO2 measurement:
Measurement range: 0%~100%
Resolution: 1%
Accuracy: 70%~100%, ±2%; <70% unspecied
(3) Pulse rate measurement:
Measurement range: 30bpm~250bpm
Resolution: 1bpm
Accuracy: ±2 bpm and ±2% (selecting larger)
(4) Resistance to surrounding light:
The deviation between the value measured in the condition of man-made light
or indoor natural light and that of darkroom is less than ±1%.
7 Cleaning, Disinfection and Maintenance
7.1 Cleaning
Keep the exterior surface of the device clean, without dust and dirt.
The exterior surface of the device shell may be cleaned with a clean and soft
cloth, if necessary,with soap water or dampened soft cloth, and remember to dry
it with dry cloth at once. Nasal cannula is one-off, of which the connection may be
cleaned with medical alcohol,then air-dry it, or with a dry cloth.
Notes:
Power off the device before cleaning.
Never use such acute solutions as acetone.
Never use worn materials (like steel wire or silver polishing reagent)
ENGLISH
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