---
product_id: 77625661
title: "Nonin9550 Onyx II Finger Pulse Oximeter"
brand: "nonin"
price: "€ 665.02"
currency: EUR
in_stock: true
url: https://www.desertcart.nl/products/77625661-nonin9550-onyx-ii-finger-pulse-oximeter
store_origin: NL
region: Netherlands
---

# Finger thickness: 8-26mm SpO2: 0-100% Pulse rate: 18-321 bpm Nonin9550 Onyx II Finger Pulse Oximeter

**Brand:** nonin
**Price:** € 665.02
**Availability:** ✅ In Stock

## Summary

> Stay Ahead of the Curve with Every Beat! 🩺

## Quick Answers

- **What is this?** Nonin9550 Onyx II Finger Pulse Oximeter by nonin
- **How much does it cost?** € 665.02 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.nl](https://www.desertcart.nl/products/77625661-nonin9550-onyx-ii-finger-pulse-oximeter)

## Best For

- nonin enthusiasts

## Why This Product

- Trusted nonin brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Ready to Use:** Comes with 2 AAA batteries included, so you can start monitoring right away!
- • **Rapid Readings:** Get instant feedback on your oxygen saturation levels, ranging from 0% to 100%.
- • **Versatile Fit for All:** Designed for everyone, from pediatric to adult with a finger thickness range of 8mm to 26mm.
- • **Lightweight & Portable:** Weighing only 190g, take your health monitoring on the go.
- • **Precision at Your Fingertips:** Experience pulse rate accuracy of +/-3% for reliable readings.

## Overview

The Nonin 9550 Onyx II Finger Pulse Oximeter is a lightweight, portable device designed for accurate monitoring of pulse rate and oxygen saturation levels. With a finger thickness range accommodating both pediatric and adult users, it ensures precision and convenience in health tracking. The device is ready to use right out of the box, making it an essential tool for proactive health management.

## Description

Nonin9550 Onyx II Finger Pulse Oximeter

## Features

- Finger thickness range: 8mm to 26mm (paediatric to adult)
- Pulse Rate range: 18 to 321 bpm
- Pulse Rate accuracy: +/-3%
- Oxygen Saturation range (%SpO2): 0% to 100%
- Oxygen Saturation accuracy: 70 - 100% +/-2 digits

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | Nonin |
| Part number | 9550 |
| Item Weight | 190 g |
| Package Dimensions | 16.5 x 16.2 x 5.1 cm; 190 g |
| Batteries | 2 AAA batteries required. (included) |
| Item model number | 9550 |
| Item Package Quantity | 1 |
| Batteries included? | Yes |
| Batteries Required? | No |

## Images

![Nonin9550 Onyx II Finger Pulse Oximeter - Image 1](https://m.media-amazon.com/images/I/61l7pWzhZ2L.jpg)
![Nonin9550 Onyx II Finger Pulse Oximeter - Image 2](https://m.media-amazon.com/images/I/61MBDHL2SqL.jpg)
![Nonin9550 Onyx II Finger Pulse Oximeter - Image 3](https://m.media-amazon.com/images/I/619TX+tI49L.jpg)
![Nonin9550 Onyx II Finger Pulse Oximeter - Image 4](https://m.media-amazon.com/images/I/61A2bgi562L.jpg)
![Nonin9550 Onyx II Finger Pulse Oximeter - Image 5](https://m.media-amazon.com/images/I/61KlvnGQBcL.jpg)

## Frequently Bought Together

- Nonin 9550 Onyx II Finger Pulse Oximeter
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**Shop now:** [https://www.desertcart.nl/products/77625661-nonin9550-onyx-ii-finger-pulse-oximeter](https://www.desertcart.nl/products/77625661-nonin9550-onyx-ii-finger-pulse-oximeter)

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*Product available on Desertcart Netherlands*
*Store origin: NL*
*Last updated: 2026-01-24*