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parts will pose risks on the parameters and technical parameters of the equipment
known to the manufacturer.
% If necessary, our company can provide some information (such as circuit diagrams,
component lists, illustrations, etc.), so that the qualified technical personnel of the
user can repair the device components designated by our company.
% The measured results will be influenced by the external colouring agent (such as nail
polish, colouring agent or color skin care products, etc.), so don't use them on the
test site.
% As to the fingers which are too cold or too thin or whose fingernail is too long, it may
affect the measured results, so please insert the thicker finger such as thumb or mid-
dle finger deeply enough into the probe when measuring.
% The finger should be placed correctly (see Attached figure 5), as improper installation
or improper contact position for sensor will influence the measurement.
% The light between the photoelectric receiving tube and the light-emitting tube of the
device must pass through the subject's arteriole. Make sure the optical path is free
from any optical obstacles like rubberized fabric, to avoid inaccurate results.
% Excessive ambient light may affect the measured results, such as surgical light (espe-
cially xenon light sources), bilirubin lamp, fluorescent lamp, infrared heater and direct
sunlight, etc. In order to prevent interference from ambient light, make sure to place
the sensor properly and cover the sensor with opaque material.
% Frequent movement (active or passive) of the subject or severe activity can affect the
measured accuracy.
% The Pulse Oximeter should not be placed on a limb with the blood pressure cuff, arte-
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