A Comparative Analysis of NT-02 and Inogen One G3 Oxygen Concentrators


When looking for an oxygen concentrator, it's important to consider the device's specifications to determine its efficacy and whether it meets the user's needs. In this article, we will examine the NT-02 and Inogen One G3 oxygen concentrators to determine which device is a better fit for individuals who require oxygen therapy.

The NT-02 Oxygen Concentrator

The NT-02 Oxygen Concentrator is an outstanding device that is designed to assist individuals with respiratory issues. This oxygen concentrator model boasts impressive specifications such as its power supply which includes DC 12~16.8V, and AC100~240V with a frequency of 50/60Hz. The power of this device is rated at 68W. The battery has a capacity of 92Wh/6400mAh, providing sufficient backup to avoid instances of power disruption. The flow rate disposable through the device is adjustable and ranges from 1-5L/min, making it highly customizable to the user's requirements. Furthermore, the oxygen concentration remains at 93±3%, an exceptional level of purity.

In terms of noise, the NT-02 operates at a low level which is measured at ≤58dB(A). The device is classified as Class II, which in itself guarantees a level of safety that users should expect in respiratory devices like oxygen concentrators. The device weighs 2.2kg/4.85lb with dimensions of 18.2*9.1*25.7cm/7.2*3.6*10.1in. Such compactness ensures the device is easily transported and can be used in versatile locations.

The Inogen One G3 Oxygen Concentrator

The Inogen One G3 Oxygen Concentrator is a well-known model that has been utilized for many years by individuals who require oxygen therapy. This device is also an excellent option for respiratory support. It provides an oxygen concentration of 90±3% at 5L/min in pulse flow mode. The device is portable and weighs approximately 2.2kg/4.9 lbs, with dimensions of 8.75 inches height x 3 inches wide x 8.25 inches deep. The battery life of the Inogen One G3 Oxygen Concentrator averages around 4-5 hours, which is a decent timeframe. However, the battery can be upgraded to provide additional hours of battery backup.

Advantages of the NT-02 Over Inogen One G3

The NT-02 is a superior option for individuals who require an oxygen supply. For starters, the pricing is highly competitive compared to the Inogen One G3 Oxygen Concentrator. Additionally, the NT-02 offers a more versatile option for power supply, making it flexible in terms of its favorable usage scenarios. Although the Inogen One G3 has a battery life of 4-5 hours, the NT-02 boasts of a longer battery life of up to six hours. With an adjustable flow rate, a sound level below 58 dB(A), and an exceptional oxygen purity level of 93±3%, the NT-02 is a far superior and safe option for users requiring respiratory support.


After reviewing both devices, it's clear that the NT-02 Oxygen Concentrator is a better option when compared to Inogen One G3. The NT-02 device is more affordable and offers a versatile range of power supply options, longer battery life hours, and exceptional specifications regarding oxygen purity. Choosing the right respiratory support device is crucial, and with the information presented, individuals can make an informed decision about their oxygen concentrator needs. Ultimately, the NT-02 Oxygen Concentrator is an ideal option that exceeds expectations in providing much-needed respiratory support.