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Description
Nonin 9550 Onyx II Finger Pulse OximeterNonin Onyx II 9550 Finger Pulse Oximeter Military Tested & Certified The Nonin Onyx II finger pulse oximeter has been tested under the most rigorous circumstances. Clinically proven oxygen saturation and pulse rate readings, the Onyx II has received the US Army and US Military Airworthiness Certifications, allowing it to be used in helicopters. FEATURES: Quick Spot Checks: The Onyx II turns on and off quickly for easy spot checks Proven Accuracy:
Nonin Onyx® II 9550 Finger Pulse Oximeter
Military Tested & Certified
The Nonin Onyx® II finger pulse oximeter has been tested under the most rigorous circumstances. Clinically proven oxygen saturation and pulse rate readings, the Onyx® II has received the US Army and US Military Airworthiness Certifications, allowing it to be used in helicopters.
FEATURES:
- Quick Spot-Checks: The Onyx® II turns on and off quickly for easy spot-checks
- Proven Accuracy: Clinically proven accuracy in the widest range of patients and settings, including patients with dark skin color and low perfusion
- Efficient: Allows for 2500 spot-checks or 21 hours of continuous use
- Large Bright LED Display: SpO2 and pulse rate can be read from any angle, day or night
- Wide Range of Finger Sizes: Accommodates a wide range of finger thicknesses, from 0.3 - 1.0 inch (8 mm to 26 mm)
- Durable and Reliable: The Onyx® II 9550 has the US Army and US Air Force aeromedical certification for use in helicopters
- LANYARD NOT INCLUDED (Available separately)
SPECIFICATIONS:
- Self-Contained: No sensors or cables to tangle or lose
- Power Source: 2 x AAA batteries
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Exchange/Return Notes
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4.5 ★★★★★
Based on 12 reviews
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Product Reviews
★★★★★ 5
Books arrived in fantasic shape.
Format: Paperback, Format: Paperback
I was worried about making the purchase due to other people having problems with miscut books and glued pages. I ordered the set of three and they are all in great shape. No miscuts or glued pages. Every page seems to be printed legibly. I'm very happy with my purchase. I didn't see any recent reviews so I thought this may help some of those hesitant to buy.
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Reviewed in the United States on August 4, 2024
★★★★★ 4
Good so far.
Format: Paperback
I will be using these heavily in a month or two, I ordered them because they were on sale so I will come back and edit once I actually read the material, use the glossary, online tools, etc.
However from out of the box? All the books are in perfect condition, no sticking pages like other reviews. I will say if you can afford the hardcover version with the labs? Get those.
From touching them once or twice so far, this book will not stand up to constant use. It's a really flimsy type.. not even sure if it's paper? It feels like plastic paper.
I will also add that that study guide book is F A T . I wish they would have split it into two. I bet the hardcover is gigantic because mine looks like the biggest dictionary you've seen, and I know the cover page which is almost exactly like the pages? Will be ruined once it starts being used consistently.
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Reviewed in the United States on December 16, 2022
★★★★★ 5
As described
Format: Paperback
As described - I'm happy
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Reviewed in the United States on July 28, 2025
★★★★★ 5
Very Useful
Format: Paperback
I used these for my A+ exams and I didn’t really end up reading the material. I more so used them for their practice exams. That’s only because there’s a lot of information to digest and I was in a rush to take the exams. I still passed so I find that they are well formatted. The questions imo needs to be read more throughly than the exam questions themselves.
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Reviewed in the United States on October 24, 2024
★★★★★ 5
Secret Sister gift at Church
Format: Paperback
Purchased as a gift for a Secret Sister at church, She loves the book!!!
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Reviewed in the United States on May 24, 2026