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Group Number: 3411

Zen-O™ is a best in class portable oxygen concentrator with pulse and continuous oxygen delivery modes for active patients requiring oxygen therapy.

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

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 a 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 a field replaceable sieve bed. The sieve bed is an important part of the device and enables Zen-O™ to produce oxygen. Over time and depending on operating conditions the sieve bed may need to be replaced. The Zen-O™ sieve bed can be exchanged easily using simple tools in under 5 minutes, saving time and money.

Zen-O™ features breath sensitivity and Rate Response Therapy™ (RRT) that automatically adjusts to the patient‘s demands.


Zen-O™ delivers up to 2 litres of oxygen per minute in response to the patient’s need. Unlike other devices that deliver a fixed amount of oxygen, Zen-O™ automatically increases the amount of oxygen delivered if a patient’s breath rate rises.


Clarity from GCE Healthcare is a secure online platform that allows home oxygen providers to view data such as oxygen purity, device usage history, battery capacity, active alarms and more from a connected Zen-O™ and Zen-O lite™ portable oxygen concentrator (POC), enabling them to:

  • Monitor device performance and carry out predictive maintenance
  • Support patients in adhering to their oxygen therapy
  • Manage assets and track devices


  • dual flow mode
  • simple and easy to use
  • eco mode
  • auto mode
  • easily replaceable sieve beds
  • durable and reliable
  • manufactured to high standards
Item No. Description
RS-00502-G-S Zen-O™ concentrator 12 cell
RS-00502-G-D Zen-O™ concentrator 2 battery package


Size (WxDxH): 212 mm x 168 mm x 313 mm
(8.3" x 6.6" x 12.3")
Weight: 4,66 kg (10.27 lbs) with one 12 cell battery
Power requirements: AC adaptor: 100-240 V AC (+/- 10 %)
50 - 60 Hz in, 24 V, 6.25A out
  DC adaptor: 11.5 - 16 V DC in, 19 V, 7.9A out
Purity: 87 % - 96 % at all settings
Maximum oxygen
discharge pressure:
20.5 psi
Inspiratory trigger sensitivity: - 0.12 cm/H2O
Humidity range: 5 % to 93 % +/- 2 % non-condensing
Operating altitude: 0´to 13,000´(0 m to 4,000 m)
Operating temperature: 5°C (41°F) and 40°C (104°F)
Storage temperature: -20°C (-4°F) and 60°C (140°F)
Setting: Adjustable in 0.5 increments from 1.0 to 6.0 
in pulse mode and from 0.5 to 2.0 in continuous
Noise level: 38 db(A) tested to Prüfmethode 14-1 03/2007
MDS-Hi and 42 db(A) tested to ISO 3744*
Alarm types: Low oxygen purity, No breath detected
Low battery and Service required
Battery duration: Up to 4 hours with a single battery or 8 hours
with 2 batteries at 18 BPM*

*At pulse setting 2.


Item No. Description
RS-00501 Zen-O™ battery 12 cell
RS-00509 Zen-O™ carry bag
RS-00507 Zen-O™ cart
RS-00508 Zen-O™ DC adapter
RS-00511 POC filter wrench
RS-00512 POC cannula filter pack of 10
RS-00513 Sieve bed assembly
RS-00515 External battery charger – US
RS-00516 External battery charger – EU
RS-00517 External battery charger – UK
RS-00520 Zen-O™ AC power supply with EU cord
RS-00521 Zen-O™ AC power supply with UK cord
RS-00522 Zen-O™ AC power supply with US cord
RS-00523 Accessories bag

Each Zen-O™ concentrator is supplied with a carry bag, battery, Pull cart AC and DC power cables.

Safety Top

Download Safety Documentation

Acrobat Logo Zen-O_user_manual_DL-00466 rev. 11_web.pdf
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