AJ-7420 Hand held Pulse Oximeter

Specifications
1.General
Monitoring Parameters:SpO2、PR、Pulse strength
Signal sockets：SpO2 socket
2.Display screen           
Type:Red LED
Display area:56mm×36mm
Size:120mm×63mm×32mm
Weight:125g（not include sensor and battery） 

3.Features
Audio and visual alarm:  The speaker sounds the alarm and the parameter’s measurement flashes on the screen.
Prompting: Indicator of battery capacity.
Power saving: The monitor will automatic shut down when no monitoring for 3 minutes.

4.Electrical specifications
Working Voltage:D.C. 2.8V～D.C. 5.4V.
Battery 
Type:Three common 1.5V AA alkaline or rechargeable batteries
Run Time:7-hour continuous operation with a new battery (environment
temperature is 25℃)

5.Environment
Temperature
Operation:0 ~ 45 (°C)  
Transportation and storage:-20 ~ 60 (°C)
Humidity
Operation:15% - 95 %( noncondensing)  
Transportation and storage:10% - 95 % (noncondensing)  
Altitude
Operation:86 KPa ~106 KPa
Transportation and storage:50KPa~106 KPa

6.Parameter Specifications
SpO2
Patient:Adult, pediatric, infant, neonate, animal
Range:35 - 99%
Resolution:1 %
Accuracy:±2 % (70% - 99%), unspecified (0% - 69%)
PR
Range:30~250bpm
Resolution:1bpm
Accuracy:±2bpm

Standard accessories
One SpO2 adult finger probe