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Zen-O Portable Oxygen Concentrator


The GCE Zen-O Oxygen Concentrator is one of the most lightweight, portable devices on the market, engineered to deliver unparalleled ease and efficiency for oxygen therapy patients. Zen-O delivers up to 8 hours of cordless power from its lithium-ion battery, helping patients move freely while on therapy. The ideal solution for those of you with active lifestyles, the convenient Zen-O comes packed with perks such as a durable carrying bag, accessories bag,  pull cart, DC adapter and extended warranty.



Zen-O Portable Oxygen Concentrator

GCE Zen-O is a small, portable oxygen concentrator designed to satisfy the needs of patients with respiratory disorders. Engineered to treat chronic obstructive pulmonary disease (COPD) and other respiratory conditions, Zen-O can deliver up to 2 litres per minute of oxygen in pulse or continuous flow. The unit comes with a range of accessories such as a pull cart, a carry bag and more! If you’re looking for a portable oxygen concentrator that allows you to take it wherever you go, then look no further than GCE Zen-O.

Zen-O is designed with a strong emphasis on a practical and robust design. This travel oxygen concentrator delivers better operational efficiency and reliability for oxygen therapy patients. This oxygen machine features a field replaceable sieve bed, which can be exchanged effortlessly using ordinary tools in less than five minutes, saving you time and money!

The Rate Responsive Therapy (RRT) featured in Zen-O automatically responds to your breath rate and adjusts the oxygen flow according to your current need. For example, if you are climbing stairs, Zen-O will detect this event and auto-increase the amount of oxygen delivered to cover your body’s need for more oxygen.

What’s more, this portable oxygen concentrator is designed extra lightweight, weighing only 4.66 kg (10.25 lbs), ensuring a hassle-free way to travel or simply move around your home without sacrificing your therapy.



  • Mobile and robust design
  • Low cost maintenance
  • Oxygen delivery up to 2 litres per minute
  • Pulse and continuous flow modes
  • Automatic response to patient breath rate (RRT function)
  • Ultra light main unit
  • Clear LCD display and intuitive buttons
  • Easy to operate in every environment


Package includes:

Zen-O Main Unit
Carry Bag
AC/DC Power Cables
Accessories bag
Pull Cart
User Manual

Technical specifications

Technical specifications

Size 212 mm (W), 168 mm (D), 313 mm (H) 8.3″ (W), 6.6″ (D), 12.3″ (H)
Unit weight 4.66 kg (10.25 lbs) (without carry bag and cart)
Power requirements AC adaptor: 100-240V AC (+/- 10%), 50-60 Hz in, 24V DC, 6.25A out. DC adaptor: 11.5-16V DC in, 19V, 7.9A out
Purity 87% – 96% at all flow rates, over operating conditions
Setting  User adjustable in 0.5 increments from 1.0 to 6.0 in pulse mode and from 0.5 to 2.0 in continuous mode.
Inspiratory trigger
 -0.12 cm/H2O
Setting indicator LCD
Maximum oxygen
discharge pressure
20.5 psi
Humidity range 5% to 93% ± 2% non-condensing
Disconnect Device Power supply input connector
Operating altitude 0′ to 9000′ relative to sea level (0 km to 2.7 km), 1060 down to 700 mbar
Sound level 42 dB(A) at setting 2 in pulse mode, 38 dB(A) at setting 2 in pulse mode
Type of protection
Class II
Degree of protection
Type BF
Degree of protection
IP22 in carry bag (protection against small objects and tilted dripping water) IP20 out of carry bag (protection against small objects and no protection against water entering the concentrator)
Operating temperature Not suitable for use in the presence of a flammable anaesthetic
Continuous operation at temperatures between 5°C (41°F) and 40°C (104°F).
Storage temperature Between -20°C (-4°F) and 60°C (140°F).
Alarm sound pressure
65 to 85 dB(A)
Alarm system delays Less than 10 seconds after detection (low oxygen alarms if oxygen is less than 82% volume fraction at specified environmental
Oxygen concentrator
status indicator
High priority alarm that indicates when oxygen concentration
drops below 82%


User manual



Q. Does Zen-O deliver pulse flow or continuous flow?
A. Zen-O Portable Oxygen Concentrator provides both pulse and continuous flow to the patient.

Q. Does Zen-O come with batteries?
A. Yes, the GCE Zen-O comes standard with two batteries.

Q. Will Zen-O detect my breathing rate and adjust on the fly the amount of oxygen supplied?
A. Yes. This is one of Zen-O’s most popular among oxygen therapy users features – the capability to automatically increase the amount of delivered oxygen upon detection of a breathing event (such as climbing stairs) that required higher amounts of oxygen.

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