User Manual for Fingertip Oximeter
12
D
.
Audible &visual over-limit indication
When measuring, if SpO
2
value or pulse rate value
exceeds the preset limit, the device will beep
automatically and the value which exceeds limit
on the screen will flash. The oximeter will shut
down automatically in 8 seconds with no signal.
E. Display mode
：
Color OLED Display
F. Power supply requirement:
2 x LR03 (AAA) alkaline batteries
Supply voltage: 3.0VDC
Operating current:
≤40mA
G.
Environment requirement
Operating Temperature: 5 ~40°C
Operating Humidity: 30~80%
Atmospheric pressure: 70~106kPa
H.
The performance under low perfusion condition
The accuracy of SpO
2
and PR measurement still
meets the specification described above when the
pulse modulation amplitude is as low as 0.6%.
I.
Resistance to interference of surrounding light:
The difference between the SpO
2
value measured
in the condition of indoor natural light and that of
darkroom is less than ±1%.