15
2.5 Caution
A. The nger should be placed properly (see the attached illustration of this
manual), or else it may cause inaccurate measurement.
B. The SpO2 sensor and photoelectric receiving tube should be arranged in a
way with the subject’s arteriole in a position there between.
C. The SpO2 sensor should not be used at a location or limb tied with arterial
canal or blood pressure cuff or receiving intravenous injection.
D. Do not x the SpO2 sensor with adhesive or else it may result in venous
pulsation and inaccurate measure of SpO2.
E. Make sure the optical path is free from any optical obstacles like rubberized
fabric.
F. Excessive ambient light may affect the measuring result. It includes uores-
cent lamp, dual ruby light, infrared heater, direct sunlight and etc.
G. Strenuous action of the subject or extreme electrosurgical interference may
also affect the accuracy.
H. Testee can not use enamel or other makeup on the nger.
3. TECHNICAL SPECIFICATIONS
A. Display mode: LCD Display
B. Power supply requirement:
1.5V (AAA size) alkaline battery × 2
Supply voltage: 3VDC
Operating current: <=15mA (backlight off)
C. SpO2 Parameter Specifications
Measuring range: 35%~99%
Accuracy: ±2% (during 75%~99%)
±3% (during 50%~75%)
SpO2 alarm:
Lower limit: 90%
D. Pulse Rate Parameter Specifications
Measuring range: 30bpm~240bpm
Accuracy: ±2bpm or ±2% (whichever is greater)
Pulse Rate alarm: Upper limit: 120bpm
Lower limit: 50bpm
E. Blood Perfusion Display
Range: 0~20%
F. Resistance to interference of surrounding light
The difference between the value measured in the condition of indoor natural
light and that of darkroom is less than ±1%.
ENGLISH
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