8
English
rate is outside of the
standard range.
2. Patient’s SPO2 & PR is abnormal.
2. Seek medical help for further examination.
The Oximeter cannot be
turned on.
1. Batteries may need replacement.
2. Batteries might be installed incorrectly.
3. The oximeter might be damaged.
1. Please replace batteries.
2. Please reinstall the batteries.
3. Please contact your point of purchase.
The screen suddenly turns
off.
1. The device automatically turns off, if there is no
signal detected for more than 16 seconds.
2. Batteries may need replacement.
1. This is a normal process.
2. Replace the batteries.
5
Specification
Table 6: Specification of A310 series pulse oximeter
Device Name
Pulse Oximeter
Dimensions(L×W×H)
A310L: (62*34*31) mm
Weight
Approx.50g - 60g (including 2 × AAA battery)
Anti-electric Shock Type
Internally powered equipment
Anti-electric Shock Equipment Degree
Type BF
EMC Type
Group I Class B
Enclosure Degree of ingress protection
IP22
Internal Power:
2×AAA 1.5V alkaline batteries
Power Consumption
Below 45mA
Screen
0.96’ LED
SpO2 Display
35-100%
Pulse rate Display
30-250 BPM
Resolution
SpO2: 1%
Pulse rate: 1BPM
Measure Accuracy
SpO2: ±3% (70%-100%); Unspecified (<70%)
PR: ±2BPM
Data averaging and other signal processing 8s
Data Update Period
1s
Operating Environment
Temperature: +5°C to +40°C
Humidity:15% to 93% non-condensing
Air Pressure: 70Kpa-106Kpa
Storage & Transport Environment
Temperature: -25℃ to +55℃
Humidity:15% to 93% non-condensing
Air Pressure: 70Kpa-106Kpa
6
Clinical SpO2 Accuracy
The below table shows statistic distribution of an invasive controlled desaturation study, which guided by
ISO80601-2-61, Annex EE, Guideline for evaluating and documenting SpO2 Accuracy in human subjects.
The statistic distribution displayed the accuracy distribution between the range of 70% ~ 100%, which may helpful to
user.
Table 7: Clinical SpO2 Accuracy
Device
Item
100-70%
100 - 90%
90- 80%
80 - 70%
A310 series
Bs
1.0
0.80
1.26
0.86
Sres
1.94
0.86
1.61
2.91
Arms
2.18
1.17
2
2.99
