GCE Zen-O Portable Oxygen Concentrator

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Please note: Due to COVID-19, these products are not immediately available. You may still place orders for these items but expect delayed shipping. Please call 602-900-4260 for availability.

Zen- O™ portable oxygen concentrator delivers freedom and peace of mind to patients by providing mobile oxygen on demand.


Zen-O™ portable oxygen concentrator is designed to enable patients with respiratory disorders such as chronic obstructive pulmonary disease (COPD), to better manage their oxygen therapy within and outside their homes.

Zen- O™ portable oxygen concentrator delivers freedom and peace of mind to patients by providing mobile oxygen on demand.

Zen-O™ weighs just 4.66 kg and can deliver up to 2 litres per minute of oxygen in either pulse or continuous flow.

Zen-O is supplied  with variety of accessories, including a carry bag and a pull cart for increased mobility.

Zen-O’s practical and robust design offers greater operational efficiency and low cost of ownership for home oxygen providers.

Zen-O™ is designed with easy to replace sieve bed. The sieve bed can be replaced in the field using simple tools in under 5 minutes, saving time and money.

Zen-O™ is produced in the UK following GCE’s investment in a new manufacturing and innovation centre.

Advanced Technology

Zen-O™ uses advanced technology to adjust the amount of oxygen delivered in response to a patient’s breath rate and automatically increases the amount when the patient needs it most – such as walking uphill.

Features and Benefits


Dual mode

Zen-O™ portable oxygen concentrator can deliver up to 2 litres of oxygen in either pulse or continuous flow.

Easy to use

Zen-O™ is simple to use with clear button operation and LCD panel.

UK expertise and global support

Zen-O™ portable oxygen concentrator is manufactured in the UK to high standards. GCE has locations in the United States, Latin America, China, India and across Europe. Our strategic partners in Africa and the Middle east help us ensure accessories and spare parts are readily available to our customers.

Field replaceable sieve bed

Zen-O’s practical design makes it easy for home oxygen providers to replace the sieve bed in under
5 minutes using simple tools.

Visual and audio alarms

Zen-O™ has various audible and visual alarms to prompt the user of a required action. Some alarms include low battery, service required, and no breath detected.


Zen-O™ portable oxygen concentrator is supplied with a 3 year or 15,000 hours device warranty.


GCE Zen-O Expected Battery Life

Flow Rate Expected Battery Life w/ 1 Battery Expected Battery Life w/ 2 Batteries
Pulse 1 Up to 4.0 Hours Up to 8.0 Hours
Pulse 2 Up to 4.0 Hours Up to 8.0 Hours
Pulse 3 Up to 3.0 Hours Up to 6.0 Hours
Pulse 4 Up to 2.25 Hours Up to 4.5 Hours
Pulse 5 Up to 2.0 Hours Up to 4.0 Hours
Pulse 6 Up to 1.75 Hours Up to 3.5 Hours
Cont. 0.5 LPM Up to 3.0 Hours Up to 6.0 Hours
Cont. 1.0 LPM Up to 1.75 Hours Up to 3.5 Hours
Cont. 1.5 LPM Up to 1.25 Hours Up to 2.5 Hours
Cont 2.0 LPM Up to 0.75 Hours Up to 1.5 Hours

Designed to Run 24 Hours Per Day

Have peace of mind knowing the Zen-O portable oxygen concentrator can supply you with oxygen 24 hours a day. It runs on pulse flow and continuous flow modes to meet your daytime and nighttime oxygen needs, even if you are required to use a CPAP or BiPAP machine at night. Because the Zen-O can be powered using batteries, an AC power supply, or a DC power supply you will be able to use your concentrator virtually anywhere you go. For extended use, the AC and DC power supplies will power your concentrator for the entire time you have it plugged in.

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 Ibs) (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

(Important: see accessories list for model and part number of AC power supply.)

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 sensitivity: -0.12cm/H20
Setting indicator: LCD display
Maximum oxygen discharge pressure: 20.5 psi
Humidity range: 5% to 93% ± 2% non-condensing
Operating altitude: 0’ to 13,000’ (0m to 4,000m) relative to sea level, 1,060 down to 575 mbar
Sound level: Sound Pressure level of 38 dB(A) at setting 2 in pulse mode, tested according to Prufmethode 14-1 03/2007 MHS-Hi

Sound Pressure level of 46dBA/Sound Power level of 54 dBA at setting 6 in pulse mode

Sound Pressure level of 52 dBA/Sound Power level of 60 dBA at setting 2 continuous

Type of protection (electrical): Class II
Degree of protection (electrical): Type BF
Degree of protection (water): IP22 in carry bag (protection against small objects and tilted drip-ping water)

IP20 out of carry bag (protection against small objects and no protection against water entering the concentrator)

Degree of safety (flammable anaesthetic mixture): Not suitable for use in the presence of a flammable anaesthetic mixture
Operating temperature: Continuous operating 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 level: Less than 10 second after detection (low oxygen alarms if oxygen is less than 82% volume fraction at specified environmental conditions)
Oxygen concentrator status indicator: High priority alarm that indicates when oxygen concentration drops below 82%.


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