Silvercrest 290989 Instructions For Use And Safety page 19

- near flammable or explosive gas mixtures.
Prolonged use of the pulse oximeter may cause pain in persons with circulatory
disorders. Therefore do not use the pulse oximeter on the same finger for longer than
approx. 2 hours.
Do not look directly into the housing during measurement. The red light and the
invisible infrared light of the pulse oximeter is harmful to the eye.
Failure to observe the following instructions may result in faulty or failed measure-
ments:
- Do not use nail polish, artificial nails or other cosmetic on the monitored finger.
- Be sure the fingernail on the monitored finger is short enough so the finger pad covers
the sensor elements inside the housing.
- Keep the hand, finger and body still during measurement.
- Oxygen saturation and heart rate measurements may be false or impossible in
persons with arrhythmia.
GB/IE/NI 19