Reviewer:
Javier Villanueva-Meyer from Houston, TX United States
Able to update order prior to shipping
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Works reliably and repeatably so far
October 31, 2024
Reviewer:
Ralph from Kent, WA United States
This device gives repeatable results so far. It always works so far. User reviews informed me that less expensive/robust devices may give erratic/untrustworthy readings because of design/construction weaknesses/insufficiencies and algorithmic/calibration insufficiencies. Wrong and erratic readings from a complex device of this type are useless. Delivery to my house was excellent.
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A real oximeter
October 30, 2024
Reviewer:
Jim Hasak from Prescott, AZ United States
Before buying this oximeter, I tried two different $35 models. They were toys, had numerous problems, primarily unreliability and inaccuracy. I am very pleased with the Nonin 9590. It works quickly, accurately, and reliably.
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Oximeter
September 30, 2024
Reviewer:
Harry Bringger from Ponte Vedra Beach, FL United States
Wanted top of the line product and this is it. You can get cheaper but you get what you pay for.