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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 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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5 of 5 October 13, 2022
Reviewer: Mldred Alpern from New York, NY United States  


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5 of 5 Works well October 12, 2022
Reviewer: Mary Hanly from Oxford, MA United States  
This is my 2nd Nonin Onyx 9590 oximeter.  It reads oxygen level and heart rate quickly and well and has a 4-year warranty.   I love that there’s no button to push to get a reading - just put your finger in and get a quick reading. This is really my third Nonin Onyx if I count a replacement that I was provided by Concord Health when my first one malfunctioned at about year 2.  Kudos to Concord Health Supply for honoring the warranty.  I stand by the reliability of the Nonin Onyx oximeter.  I also stand by Concord Health Supply as a reliable seller with excellent customer service.  I am a satisfied customer.

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5 of 5 Onyx 959 oximeter September 9, 2022
Reviewer: Martha from Shrewsbury, MA United States  
Had an achieve before for 8 years I thought it was in need of upgrade so I got this one.
Like it seems accurate and has a green button to tell that is the reading
Good products
Ver nice folks in customer service too.

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5 of 5 Nonin 9590 Oximeter August 5, 2022
Reviewer: Neil Smith from Longmont, CO United States  
Great product. Expensive, until you realize it is made in the USA and reliable. Many foreign knock offs that may or may not always work are out there. Buy the best if you want correct readings.
Concord forgot to include the free caring case, but one phone call got me an apology & a case was sent and received in two days. Great product and service from Concord.

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