The Model 340 is intended for continuous pulse oximetry and has visual and audible alarms to aid with patient monitoring.

Features:

• Intended for continuous pulse oximetry 
•  Ideal for most users and situations 
•  A portable pulse oximeter with alarms and two bright LED displays 
• 12-hour NiCad or continuous AC-powered operation
• Adjustable pulse tone levels 
•  Pitch changes with rise or fall in oxygen saturation 
•  Adjustable alarm levels for oxygen saturation and pulse rate 
•  Previous alarm settings are recalled from memory 
•  Output port for data communication to other instruments

Oxygen Saturation and Pulse Rate

• Display Two 3-digit, 7-segment LED
• Resolution SpO2: 1%
• Pulse: 1 BPM
• Range SpO2: 0-100%
• Pulse: 32-250 BPM 
• Accurracy 
• SpO2: 100-70% ± 2%
• 69-60% ± 3%
• Less than 60% unspecified
• Pulse: 32-250 BPM ± 2 BPM

General

• Dimensions 7.5 in L x 3.5 in W x 1.4 in H
  ( 19.1 cm L x 8.9 cm W x 3.5 cm H)
• Weight 17.5 oz. (496 grams)  

Power Source

• Battery Type NiCad rechargeable
• Battery Life 12 hours in continuous operation
• Power Adaptor 100 - 250 V AC 50/60 Hz 0.5 A