Specification :

Digital Pulse Oximeter
Strong 703A
　 　
Specifications
　 　
Displays
Pulse Quality LED, red
Numeric Displays 3-digit 7-segment LEDs, red
Low Battery LED, green
　
Oxygen Saturation Range(%SpO2) 0% to 99%
　
Pulse Rate Range(bpm) 30 to 250 pulses per minute
　
Accuracy
(%SpO2±1 S.D.*) 70-99%±2 digits for normal status
50-69% ± 3 digits for normal status
　 50-100%±3 digits for motion
Pulse Rate ±2 bpm（normal status）
±3 bpm（motion）
Temperature
Operating 0℃～50℃
Storage/Transportation -20℃～50℃
　
Humidity
Operating 10% to 90% noncondensing
Storage/Transportation 10% to 95% noncondensing
　
Altitude
Operating Altitude Up to 5,000 meters
Hyperbaric Pressure Up to 4 atmospheres
　
Power Options lithium ion rechargeable batteries
(8 hours typical operation)
AC power(90-240VAC, 50/60Hz)
Probe
Red light LED wavelength 660nm±5nm
Infrared light LED wavelength 940nm±10nm
　
Dimensions 13.0cm H × 8.6cm W×3.0cm D
　
Weight 8.8 oz (250g) with rechargeable battery
　
Warranty 3 years