Click Image To Enlarge

Product highlights include: 
Simple
Automatically turns on for fast, easy spot-checks 
Superior Accuracy
Trusted by clinicians worldwide 
Efficient
New turn-off mechanism allows for 2500 spot-checks or 21 hours of continuous use 
Versatile
Accommodates widest range of finger sizes from pediatric to adult 
Enhanced Design
- Smaller
- Enclosed spring
- Wider LED viewing angle 
- Easy battery access

Vital Signs Within Reach
The Onyx II is ideal for use in any situation where a fast and accurate reading of blood oxygen saturation and pulse rate is needed. Never search for a pulse oximeter or sensor again. 

Proven Performance
The portability and functionality of the Onyx II makes it a valuable tool in any situation where a fast and accurate reading of blood oxygen saturation and pulse rate is needed. 

Small & Lightweight
Carry the Onyx II anywhere – on a lanyard, in a carrying case or in your pocket. It weighs less than 2 oz. 

Large Bright LED Display
SpO2 and Pulse Rate that can be read from any angle, day or night. 

Pulse Quality Indicator
Brilliant, easy-to-see LED provides a quick and accurate assessment of patient readings. 

Pediatric to Adult Finger Sizes
Accommodates a wide range of finger thicknesses, 0.3 - 1.0 inch (8 mm to 26 mm). 

Automatic On/Off 

Energy Efficient
A new turn-off mechanism allows two AAA batteries to provide approximately 2500 spot-checks or 21 hours of continuous operation. 

Durable & Reliable
Rugged enough to be used in the most demanding situations. The Onyx II has the US Army and US Air Force aeromedical certification for use in helicopters.