User's Manual

8
4.2. Main Parameters
A. Measurement of SpO
2
Measurement Range:0%~100％
Accuracy:70~100%,±2%;0~69%,unspecified
B. Measurement of pulse rate
Measurement Range:30bpm~250bpm
Accuracy: ±2 bpm or ±2% (select the larger)
C. Resolution
SpO
2
: 1%, Pulse rate: 1bpm.
D. Measurement Performance in Weak Filling Condition:
SpO
2
and pulse rate can be shown correctly when pulse-filling ratio is 0.4%. SpO
2
error is ±4%,
pulse rate error is ±2 bpm or ±2% (select the larger).
E. Resistance to surrounding light:
The deviation between the value measured in the condition of man-made light or indoor natural light
and that of darkroom is less than ±1%.
F. Power supply requirement: : DC 3.6 V ~ 4.2V.
G. Optical Sensor
Red light (wavelength is 660nm,6.65mW)
Infrared (wavelength is 880nm, 6.75mW)
H. Adjustable alarm range:
SpO
2
: 0%~100%
Pulse Rate: 0bpm~254bpm
I. Bluetooth specifications
Bluetooth protocol：Bluetooth Specification v2.0+EDR、V2.0、V1.2
USB protocol：USB V1.1、V2.0
Operating frequency：2.4GHz ISM band
Modulation：GFSK(Gaussian Frequency Shift Keying)
Transmitting power：≤4dBm, Class 2
Sensitivity：≤-84dBm at 0.1% BER
Transfer rate：Asynchronous: 2.1Mbps(Max) / 160 kbps Synchronous: 1Mbps/1Mbps
Safety features：Authentication and encryption
Support Services：Bluetooth SPP
J. FCC ID:2AB0GCMS50EW