10 Best Nonin Onyx Vantage 9590 Pulse Oximeter of 2025

Tested and Reviewed: Top 10 Nonin Onyx Vantage 9590 Pulse Oximeter deals with expert ratings from 8.1 to a perfect 10

June 2025 Edition

Editor's Choice

9.7

Nonin

Nonin TruO2 OTC Pulse Oximeter Model 3250 FDA-Cleared, Over-The-Counter Medical Grade Wireless Fingertip Pulse Oximeter

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Editor's bottom line:

“This nonin onyx vantage 9590 pulse oximeter is the best one we tested. In terms of quality, brand and price, we couldn't ask for more.”

Main Highlights

TruO2 OTC is the only fingertip oximeter that is accurate across varying skin pigmentations (1). Made with the same medical-grade pulse oximetry technology used in Nonin pulse oximeters for patients, clinicians, and the military, TruO2 OTC delivers readings you can count on.
Nonins founders, Phil Isaacson and his team of three engineers, were the original inventors of the fingertip pulse oximeter. Nonins exclusive technology is proven to deliver accurate measurements for a broad range of patients and conditions (2).
Cleared by the FDA for over-the-counter useno prescription required. Rugged construction backed by a 2-year warranty (4).
Equipped with Nonin PureSAT technology, TruO2 captures accurate oxygen and pulse rate measurements quickly (1).
Easy-to-read, LED display features clear digits and symbols
Nonin CorrectCheck technology notifies user immediately if the finger is not placed correctly in the device
Power turns on when applied, and off when finger is removed
Nonin SmartPoint capture algorithm determines when a high-quality measurement is ready to be wirelessly transmitted
Using a compatible iOS device, save and share readings with the Apple Health app, or send history by email through the NoninConnect App
Secure, cable-free connectivity to any compatible iOS device. Provides up to 2,200 spot checks on two AAA batteries included (3).

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Picked by 197 people today

9.5

Save 10%

Nonin

Nonin TruO2 Model 3245 Bluetooth Wireless Fingertip Oxygen Sensor I HSA and FSA Approved

10% OffFree Shipping

Main Highlights

Nonins founders, Phil Isaacson and his team of three engineers, were the original inventors of the fingertip pulse oximeter. Nonins exclusive technology is proven to deliver accurate measurements for a broad range of patients and conditions.
The TruO2 Finger Sensor is made with the same medical-grade oxygen measurement technology used in professional Nonin products for patients, clinicians, and the military. You benefit from the same clinically proven technology without the need for a doctor's prescription. TruO2s rugged, reliable design and construction is backed by a 2-year warranty.
Nonin TruO2 provides quick, high-quality accurate oxygen levels and heart rate readings from small to large fingers and toes. HSA and FSA Approved.
Nonin PureSAT technology captures oxygen level and heart rate measurements quickly and consistently. Nonin CorrectCheck technology provides feedback via digital display if the finger is not placed correctly in device.
Save measurement history using a compatible Apple device and share spot check readings with the Apple Health App.
Pairs with NoninConnect App, allowing users to send measurement history by email using a compatible Apple device.
Nonin SmartPoint capture algorithm determines when a high-quality measurement is ready to be wirelessly transmitted.

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9.5

Save 26%

Innovo

Innovo Medical iP900B Bluetooth Finger Pulse Oximeter with Digital Ear Thermometer Bundle

26% Off

Main Highlights

ACCURATE AND RELIABLE - The Innovo iP900BP-B Finger Pulse Oximeter is the premium model of the Innovo line of pulse oximeters. With a vastly improved LED and sensor, it allows SpO2 (Blood Oxygen Saturation level) and pulse rate measurement even at low blood perfusion.
WIRELESS BLUETOOTH CONNECTION- Seamlessly connect with your iPhone or Android via Bluetooth and tap into the potential of the "Beyond Oximeter" App, available in the iOS App Store and Google Play Store. Record live readings, visualize the SpO2 Waveform, record respiration rate, and check accuracy with the Perfusion Index (PI%).
PATENTED MULTI-DIRECTIONAL DISPLAY Choose from 6 different layout options for convenient viewing of your blood oxygen level and pulse measurement. At the push of a button, switch the OLED display from facing the user to another layout facing your caregiver.
ACCURATE AND RELIABLE WITH LATEST ADVANCE TECHNOLOGY Clinically tested and proven to be reliable and accurate. Uses the latest infra-red technology with the capability to detect and differentiate temperature differences of up to 0.01°. Get hospital grade accuracy right in the palm of your hand!
DISPOSDISPOSABLE EAR PROBES TO PREVENT CROSS CONTAMINATION Clean, hygienic and professional disposable ear probes for use in doctors offices, hospitals and daycare centers to shield adults, children, babies and nurses froABLE EAR PROBES TO PREVENT CROSS CONTAMINATION Clean, hygienic and professional disposable ear probes for use in doctors offices, hospitals and daycare centers to shield adults, children, babies and nurses from cross-contamination. Comes with free pack of 20 filter probes.

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9.2

Save 23%

Innovo

Innovo Medical Deluxe Fingertip Pulse Oximeter and Touchless Digital Forehead Thermometer Bundle

23% Off

Main Highlights

ACCURATE AND RELIABLE - Consistently beat other pulse oximeter in terms of accuracy and reliability during clinical tests.
PLETHYMOSGRAPH AND PERFUSION INDEX - Tells you if you are taking your SpO2 and Pulse Rate properly. No more second guessing if the readings are reliable or why the pulse oximeter is not giving you a reading.
FEATURES - 1) Auditory alarm to warn you when your SpO2 and Pulse Rate are beyond set limits. 2) Auditory Beeps for every detected pulse. 3) Adjustable brightness.
ACCURATE AND RELIABLE - Clinically tested and proven to be reliable and accurate. Uses the latest 2022 infrared technology and algorithm with the capability to detect and differentiate temperature differences of up to 0.01°. Get hospital grade accuracy right in the palm of your hand!
PATENTED BLUE LIGHT SENSOR - The thermometer gun is now equipped with a patented blue light and distance sensor that guides the user to the ideal positioning and distance of the thermometer for easy & accurate measurement.

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9.0

Innovo

Innovo Deluxe iP900AP Fingertip Pulse Oximeter Blood Oxygen Saturation Monitor with Alarm, Plethysmograph and Perfusion Index

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Main Highlights

Accurate and Reliable - The Innovo iP900AP Finger Pulse Oximeter is a premium model with an improved LED and sensor, allowing SpO2 and pulse rate measurement even at low blood perfusion. Consistently beat other pulse oximeters in clinical studies
Plethymosgraph and Perfusion Index - Ensure accurate SpO2 and Pulse Rate readings. Eliminate doubts about reliability or reading issues.
Upgraded Hardware and Software - Enhanced performance with internal upgrades. iP900AP model includes auditory alarm, pulse detection beeps, and adjustable display brightness.
Sports Enthusiasts, Aviation or Home Use - Ideal for climbers, skiers, bikers, aviators, and on-the-go SpO2 and pulse rate tracking. Use pre or post-exercise. Remain still during measurement
Ready to use out of the box - Include 2x AAA batteries and a lanyard for convenience.

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8.8

AccuMed

AccuMed CMS-50D1 Fingertip Pulse Oximeter Blood Oxygen Sensor SpO2 for Sports and Aviation. Portable and Lightweight with LED Display, 2 AAA Batteries, Lanyard and Travel Case (White)

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Main Highlights

ACCURATE OXYGEN SATURATION AND PULSE RATE READINGS IN ONE DEVICE: The Fingertip Pulse Oximeter fits all finger sizes from kids above four years old to adults as it measures the level of oxygen in the blood and reads the pulse rate in just eight to ten seconds. It is crucial to use the device in a stationary position and not while in motion for precise readings.
LOW POWER CONSUMPTION: Equipped with two AAA batteries, the oximeter automatically powers off when not in use and delivers up to 20 continuous hours of battery life.
PORTABLE AND LIGHTWEIGHT: Weighing only 50 grams, every AccuMed oximeter comes in a convenient travel case that protects it from scratches when carried on its own or inside your gym bag or backpack. Attach the included lanyard to the case or directly to the oximeter for easy reach anytime.
ROTATING, CRYSTAL CLEAR LED DISPLAY: Read your oxygen saturation level and pulse rate results with remarkable clarity in portrait or landscape formats with auto rotation that detects your hand movement in the CMS50D1 models.
DESIGNED FOR HOME USE, EXERCISE OR TRAVEL: While the AccuMed Fingertip Pulse Oximeter is handy for detecting vital signs, it is not intended for medical use but rather for situations where you need to know your oxygen level before and after your workout or sports such as running, hiking or cycling, or while traveling in an aircraft.

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8.6

Zacurate

Zacurate Pro Series 500DL Fingertip Pulse Oximeter Blood Oxygen Saturation Monitor with Silicone Cover, Batteries and Lanyard

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Main Highlights

ACCURATE AND RELIABLE - Accurately determines your SpO2 (blood oxygen saturation levels), pulse rate and pulse strength in 10 seconds and displays it conveniently on a large digital LED display.
FULL SPO2 VALUE - The ONLY LED pulse oximeter that can read and display SpO2 up to 100%.
SPORTS/HEALTH ENTHUSIASTS - For sports enthusiasts like mountain climbers, skiers, bikers, and anyone needing to monitor their SpO2 and pulse rate. The pulse oximeter LED display faces the user for an easy read.
ACCOMODATES WIDE RANGE OF FINGER SIZES - Finger chamber with SMART Spring System. Works for ages 12 and above.
LOADED WITH ACCESSORIES - Includes 2 x AAA BATTERIES, allowing the pulse oximeter to be used right out of the box; a SILICONE COVER to protect from dirt and physical damage; and a LANYARD for convenience. Comes with a 12-month WARRANTY and USA based technical phone support.

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8.3

Vibeat

Vibeat Fingertip Pulse Oximeter, Blood Oxygen Saturation Monitor| O2 Meter, Portable SPO2 & Pulse Rate Monitor, Batteries and Lanyard Included

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Main Highlights

High AccuracyOur Finger Oxygen Monitor features the research-grade photoplethysmograph technology that uses infrared light to sense body movement and gather the necessary information to determine high-precision reliable signs.
Instant to StartWear the oximeter to start. Measures blood oxygen saturation, pulse rate, perfusion index and pulse waveform in few seconds and display it on the OLED screen.
Warning FunctionIf your blood oxygen is lower or your pulse rate is lower/higher than the preset threshold, this finger pulse oximeter will remind you with a buzzer, and the corresponding reading will flash on the screen.
Built-in MemoryUp to 12 groups of records can be stored in the record list and can be browsed directly on the device.
Spot Check ModeAfter 30s of stable measurement, the pulse rhythm analysis result will be displayed on the screen.(Can be adjusted to continuous mode).
Note: This product is intended for sports and aviation use only. It should not be used to diagnose or treat any medical condition.

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8.1

Save 10%

Zacurate

Zacurate 500BL Fingertip Pulse Oximeter Blood Oxygen Saturation Monitor with Batteries Included (Navy Blue)

10% OffFree Shipping

Main Highlights

ACCURATE AND RELIABLE - Accurately determine your SpO2 (blood oxygen saturation levels), pulse rate and pulse strength in 10 seconds and display it conveniently on a large digital LED display.
SPORTS/HEALTH ENTHUSIASTS - For sports enthusiasts like mountain climbers, skiers, bikers, and anyone needing to monitor their SpO2 and pulse rate. The pulse oximeter LED display faces the user for an easy read.
EASY TO USE - Taking a reading is easy, just clip it on to your finger and turn it on at the press of a button. In the product details section of this page, please refer to the application guide, product documentation, troubleshoot guide and quick start guide for important information to know before using this item.
ACCOMODATES WIDE RANGE OF FINGER SIZES - Finger chamber with SMART Spring System. Works for ages 12 and above.
LOADED WITH ACCESSORIES - Include 2X AAA BATTERIES that will allow you to use the pulse oximeter right out of the box for convenience. Comes with 12 months WARRANTY and USA based technical phone support.

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Best Value

8.1

Save 50%

Yohcuro

Yohcuro Fingertip Pulse Oximeter with Fast & High-precision SpO2 Measurement, Blood Oxygen Saturation & Pulse Rate Monitoring, Rotatable OLED Screen with Large Fonts (Black & White)

50% OffFree Shipping

Main Highlights

High Precision & Fast MeasurementThe advanced acceleration sensor can accurately measure and show the relative readings in 5 seconds. After measuring, it will turn off automatically while no finger detected in 5 seconds.
OLED Screen with Large fontClear and bright OLED screen, it can offer clear readings in varying light levels. The readings can be rotated to fit different measuring habits or orientations. Besides it has large font display mode, very easy to read even for elderly people.
Applicable CrowdsThis oximeter has a soft silicon cave that can accommodates fingers from kids to adults, especially for people who need to monitor their oxygen saturation, like sports lovers and aviation use. *Please note: This product is not for medical use.
Convenient Design1)One-button operation with remaining battery display. 2)Auto turn-off while no finger detected. 3) 4-direction large OLED screen. 4Compact design, easy to carry or storage.
What you can get1×fingertip pulse oximeter, 1×user manual, 2×AAA batteries. In addition, each device enjoys a 12-month quality warranty. In case of any problem, please feel free to contact us, we promise to offer you professional suggestions and satisfactory solutions.

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Our Best Overall Choice

Best Choice

9.7

Nonin

Nonin TruO2 OTC Pulse Oximeter Model 3250 FDA-Cleared, Over-The-Counter Medical Grade Wireless Fingertip Pulse Oximeter

Free Shipping

Editor's bottom line:

“This is the best one we tested. In terms of quality, brand and price, we couldn't ask for more.”

Main Highlights

TruO2 OTC is the only fingertip oximeter that is accurate across varying skin pigmentations (1). Made with the same medical-grade pulse oximetry technology used in Nonin pulse oximeters for patients, clinicians, and the military, TruO2 OTC delivers readings you can count on.
Nonins founders, Phil Isaacson and his team of three engineers, were the original inventors of the fingertip pulse oximeter. Nonins exclusive technology is proven to deliver accurate measurements for a broad range of patients and conditions (2).
Cleared by the FDA for over-the-counter useno prescription required. Rugged construction backed by a 2-year warranty (4).
Equipped with Nonin PureSAT technology, TruO2 captures accurate oxygen and pulse rate measurements quickly (1).
Easy-to-read, LED display features clear digits and symbols
Nonin CorrectCheck technology notifies user immediately if the finger is not placed correctly in the device
Power turns on when applied, and off when finger is removed
Nonin SmartPoint capture algorithm determines when a high-quality measurement is ready to be wirelessly transmitted
Using a compatible iOS device, save and share readings with the Apple Health app, or send history by email through the NoninConnect App
Secure, cable-free connectivity to any compatible iOS device. Provides up to 2,200 spot checks on two AAA batteries included (3).

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