Oxygen Saturation Range (%SpO2) 0% to 100%
Pulse Rate Range 18 to 300 pulses per minute
Accuracy
Blood Oxygen Saturation (%SpO2 ) (�1 S.D.)b
No Motion: Adults, Pediatrics 70 - 100% � 2 digits
Neonates 70 - 100% � 3 digits
Motion: Adults, Pediatrics 70 - 100% � 3 digits
Neonates 70 - 100% � 4 digits
Low Perfusion: Adults, Pediatrics 70 - 100% � 3 digits
Neonates 70 - 100% � 4 digits
Pulse Rate:
No Motion: 18 - 300 bpm � 3 digits
Motion: 40 - 240 bpm � 5 digits
Low Perfusion: 40 - 240 bpm � 3 digits
Temperature
Operating -4� to +122�F (-20� to + 50�C)
Storage/Transportation -22� to +122�F (-30� to +50�C )
Humidity
Operating 10% to 90% noncondensing
Storage/Transportation 10% to 95% noncondensing
Altitude
Operating Altitude Up to 40,000 feet (12,000 meters)
Hyperbaric Pressure Up to 4 atmospheres
Power Options
2500: Four 1.5 V AA size alkaline batteries (100 hours typical operation)
NiMH rechargeable battery pack (45 hours typical operation)
AC power (charging stand)
2500A: Four 1.5 V AA size alkaline batteries (60 hours typical operation)
NiMH rechargeable battery pack (40 hours typical operation)
AC power (charging stand)
Weight
2500: 7.4 oz (210 g) with alkaline batteries
8.1 oz (230 g) with NiMH batteries
2500A: 7.5 oz (213 g) with alkaline batteries
8.2 oz (233 g) with NiMH batteries
Dimensions 1.3 x 2.8 x 5.4 in. (3.2 x 7.0 x 13.8 cm)