Inogen One G5 Portable Oxygen Concentrator
- 90-93%
- 40Celcius
- 95%
Philips SimplyGo Portable Oxygen Concentrator
- 90-96%
- Portable (Battery powered)
- 0.5-2LPM
Inogen One G5 Portable Oxygen Concentrator and Zen-O Portable Oxygen Concentrator are both Portable (Battery-powered) Portable Oxygen Concentrators with purity 90-93 %. However, they differ in areas such as Purity, Transportation Humidity, Temperature Range and Type.
Below is a detailed comparison of Inogen One G5 Portable Oxygen Concentrator and Zen-O Portable Oxygen Concentrator to help you understand their specifications, features, advantages, and key differences.
| Compare | ||
|---|---|---|
| Brand | Inogen | GCE Healthcare |
| Rating | ||
| Warranty |
2 year warranty
|
2 year warranty
|
| Purity | 90-93 % | 90-96 % |
| Transportation Humidity | 95 % | — |
| Temperature Range | 40 Celcius | — |
| Type | Portable | Portable (Battery powered) |
| Continuous Flow | — | 0.5-2 LPM |
| Pulse Flow | 1-6 Pulse setting | 1-6 Pulse setting |
| Weight | 2.6 kg | 4.66 kg |
| Operating altitude | 10000 feet | — |
| Battery backup (at 2 pulse setting) | 6.5 hours | 4 hours |
| Recharge time | 3 hours | 6 hours |
| Backup with external battery pack | 13 hours | 8 hours |
| Oxygen Purity Indicator (OPI) | Yes | Yes |
| Sound level | 38 db | 38 db |
| Dimensions | 8.15H x 7.19W x 3.26D inch | — |
| Outlet pressure | 28.9 psi | 20.5 psi |
| Indian Voltage Model | Yes | No |
| Oxygen Purity % Analyzer | No | No |
| Loss of Power Alarm | Yes | Yes |
| Company Headquarters | USA | United Kingdom (UK) |
| System Malfunction Alarm | Yes | Yes |
| No Flow Alarm | Yes | Yes |
| US FDA Approved | Yes | Yes |
| FAA Approved | Yes | Yes |
| CE Certified | Yes | Yes |
| Literature | ||
| Brochure | Download Brochure | Download Brochure |
| User manual | Inogen One G5 Portable Oxygen Concentrator User Manual | Zen-O Portable Oxygen Concentrator User Manual |
| Service manual | Inogen One G5 Portable Oxygen Concentrator Service Manual | - |
Inogen One G5 Portable Oxygen Concentrator is listed as a Portable oxygen concentrator, while Zen-O Portable Oxygen Concentrator is listed as a Portable (Battery powered) oxygen concentrator.
Both Inogen One G5 Portable Oxygen Concentrator and Zen-O Portable Oxygen Concentrator provide pulse flow of 1-6 Pulse setting.
Both models provide medical-grade oxygen, with Inogen One G5 Portable Oxygen Concentrator listed at 90-93 % and Zen-O Portable Oxygen Concentrator listed at 90-96 % across their flow range.
Both Inogen One G5 Portable Oxygen Concentrator and Zen-O Portable Oxygen Concentrator come with 2 year warranty.
Inogen One G5 Portable Oxygen Concentrator is headquartered in USA, while Zen-O Portable Oxygen Concentrator is headquartered in United Kingdom (UK).
Both Inogen One G5 Portable Oxygen Concentrator and Zen-O Portable Oxygen Concentrator have an Oxygen Purity Indicator. A LED light turns on when purity drops below therapeutic level (typically below 82%).
Neither product has an Oxygen Purity % analyser and lacks this feature. This means none of the machines can display the actual oxygen purity percentage on the screen.
Inogen One G5 Portable Oxygen Concentrator weighs 2.6 kg, while Zen-O Portable Oxygen Concentrator weighs 4.66 kg. A lighter model is generally easier to move and handle.
Inogen One G5 Portable Oxygen Concentrator is listed as 8.15H x 7.19W x 3.26D inch, while Dimensions information for Zen-O Portable Oxygen Concentrator is not mentioned.


