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Return to Nonin Onyx Vantage 9590 Finger Adult/Pediatric Pulse Oximeter. #1 Professional Oximeter Made in USA - Includes Free Carrying Case
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  0 of 0 people found the following review helpful:
 
5 of 5 Nonin Onyx Pulse Oximeter June 14, 2023
Reviewer: William Rogers from Lodi, CA United States  
Replaced an earlier version that finally died after more than 20 (!) years. So far it works perfectly, and I expect it will outlive me. I spent the money for it because I have confidence it will last and be accurate. Incidentally, at about $200, it was half the price of the one I got in the late 1990s.

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5 of 5 It’s our fourth ine April 24, 2023
Reviewer: Anonymous Person from Durham, NC United States  
This is the best pulse odometer. I bought this one so I would have one in my pocketbook all the time

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5 of 5 April 12, 2023
Reviewer: Gerardo Corrales from SAN diego, CA United States  


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5 of 5 Pulsometer March 16, 2023
Reviewer: Kellie Woodall from Annapolis, MD United States  
Excellent  
Easy simple, friendly

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5 of 5 Ninon Onyx Vantage March 4, 2023
Reviewer: Anonymous Person  
I have only had this for one week. So far, the best one I have owned. Better than the ones bought at local drugstores.

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5 of 5 Evaluation of this unit February 28, 2023
Reviewer: Charles Sherwood from Salt Lake City , UT United States  
I am a retire physician and have purchased at different times four of these pulse oximeters: personal use, church emergency kit, and friend with asthma.  I have used them for emergency evaluations in each situation and am very pleased.  Two counter intuitive caveats that should be understood about putting in the batteries: 1)  the battery lid must be pushed toward the  small gap at the finger opening of the unit to open (don't pull toward you)  (2)  The batteries go in reverse directions to make the unit operate, however, the two springs side by side make you think the negative ends of both batteries fit against the springs.  The unit won't work if the batteries an not put in exactly as directed.  I don't store batteries in the unit in case they spoil and ruin the unit.  In an emergency situation, these non-intuitive steps and cause confusion and delay.

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5 of 5 Great for O2 sat spot checks February 21, 2023
Reviewer: Bruce Mason  
Good device for home or office use for spot checks.  LEDs give an indication of pulse signal strength and therefore accuracy of readings.  Older patients and other patients with poor perfusion may need their hands warmed prior to use.

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5 of 5 Nonim 9590 February 10, 2023
Reviewer: Les from Alba, TX United States  
This Nonin 9590 is a replacement for another Nonim that we have had for 10 years. My experience with Concord has been a great experience with no issues and shipping was quick and easy. We love the 9590 and it is a great product.

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5 of 5 Best pulse oximeter!! December 23, 2022
Reviewer: Anonymous Person from California  
I purchased my ONYX 5 years ago and have dropped it multiple times. It's still working like new; it's a great product. I have recommended it to all my coworkers.

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5 of 5 Best Oximeter I've found to date November 9, 2022
Reviewer: John Crossley from Scarborough, ON Canada  
I have a totally disabled adult daughter who needs to have her O2 saturation levels monitored when she is ill.  She is not very co-operative in the process and other monitors are unable to obtain a rating.  This is either because her fingers are too small, or she fights the process, or that the monitors take too long.  Using the Nonin Onyx Vantage 9590, I have not experienced any of these issues.  It is easy to use and provides fast results.  So fast that squirming is not an issue.  Thanks for such a great product.

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