Environment Requirements; Principle - Drive Handy-Ox Guide D'utilisation

2.2 environment requirements

storage environment
a) Temperature -40° ~ 140° F (-40 ° ~60 ° C)
b) Relative humidity: ≤95%
c) Atmospheric pressure: 500hPa~1060hPa
operating environment
a) Temperature: 50 ° ~ 104 ° F (10 ° ~40 ° C)
b) Relative Humidity: ≤75%
c) Atmospheric pressure:700hPa~1060hPa

3. PrIncIPLe

Principle of the Oximeter is as follows: An experience formula of data process is established
taking use of Lambert Beer Law according to Spectrum Absorption Characteristics of Reduc-
tive Hemoglobin (Hb) and Oxyhemoglobin (HbO
principle of the device is: Photoelectric Oxyhemoglobin Inspection Technology is adopted in
accordance with Capacity Pulse Scanning & Recording Technology, so that two beams of
different wavelength of lights can be focused onto human nail tip through perspective clamp
finger-type sensor. then measured signal can be obtained by a photosensitive element, infor-
mation acquired through which will be shown on screen through treatment in electronic circuits
and microprocessor.
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) in glow & near-infrared zones. Operation
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