The best just got better. Nonin, the world leader in fingertip oximetry, has designed years of clinical experience into the Onyx 2 9550 pulse oximeter. Nonin, the world leader in fingertip oximetry, has designed years of clinical experience into the Onyx 2 9550.

The electronics and sensor are incorporated into the world's smallest fingertip pulse oximeter, providing a cost effective solution for spot-checks and short term monitoring. Onyx 2 9550 ? not just a new look. Superior performance and unparalleled reliability
put vital signs within reach anywhere, anytime.

Not just a new look - the Onyx 2 9550 offers:

Simple operation for fast, easy spot-checks
Superior accuracy and durability
Free protective case
A new efficient turn off mechanism (2500 spot-checks or 21 hours of continuous use)
Cost effective design does not require a sensor; and
An enhanced product design - enclosed spring; smaller; wider viewing angle; easy battery access
2 Year Warranty!!
Oxygen Saturation Range (%SpO2) 0% to 100%
Pulse Rate Range 18 to 321 pulses per minute

Numeric Displays Two 3-digit LEDs, 7 segment LED
(light emitting diodes)

Pulse Strength Tricolor LED segments

Measurement Wavelengths
Red 660 nanometers
Infrared 910 nanometers

Accuracy
Blood Oxygen Saturation (%SpO2 ?1 SD) 70 - 100% ? 2 digits
Pulse Rate 20 - 250 bpm ?3%

Temperature
Operating +32? to +122?F (+0? to +40?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
Hyperbaric Pressure Up to 4 atmospheres

Power Requirements Two 1.5 volt AAA-size batteries

Battery Life
Operating Approximately 21 hours of continuous operation
Storage 4 years, minimum

Dimensions 1.31 x 2.22 x 1.27 in. (3.32 x 5.63 x 3.22 cm)
Weight 1.89 oz (53.5 g) with batteries

Warranty 2 years
 

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