Specialist provider of

Portable and Medical Oxygen Solutions

Zen-O Portable Oxygen Concentrator

This Zeno portable oxygen machine offers continuous flow upto 2lpm and has pulse on demand settings that go up to 6lpm.

Product code: 00223

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Availability: In stock -please contact via phone or email to find out more


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 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. Overtime 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.

Flow Setting in Pulse on demand and constant flow

Approx battery times with 1 battery installed    ( Hrs: Minutes )

Approx battery times with 2 x batteries installed ( Hrs: Minutes )

Pulse 1 lpm



Pulse 2 lpm



Pulse 3 lpm



Pulse 4 lpm



Pulse 5 lpm



Pulse 6lpm



Continuous 0.5 lpm



Continuous 1 lpm



Continuous 1.5 lpm



Continuous 2 lpm





Single battery complete package part# RS-00502-G-S


Dual battery complete package part# RS-00502-G-D

Concentrator package also includes:

• Battery

• Carry bag

• AC power supply

• DC power supply

• Pull Cart


6.1. Accessories List

Rechargeable battery (RS-00501)

AC power supply – European cord (RS-00520)

AC power supply – United Kingdom cord (RS-00521)

AC power supply – North America cord (RS-00522)

DC power supply (RS-00508)

Carry bag (RS-00509)

Pull cart (RS-00507)

European power cord (RS-00504)

United Kingdom cord (RS- 00506)

North America cord (RS-00503)

External battery charger – EU (RS-00516)

External battery charger – US (RS-00515)


Size: 212 mm (W), 168 mm (D), 313 mm (H) 8.3″ (W), 6.6″ (D), 12.3″ (H)
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
Settings: 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: -0.12 cm/H2O
Setting indicator: LCD display
Humidity range: 5% to 93% ± 2% non-condensing
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
14-1 03/2007 MDS-Hi
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 dripping water) IP20 out of carry bag (protection against small objects and no protection against water entering the concentrator)
Operating temperature: 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 range:65 to 85 dB(A)
Alarm system delays: Less than 10 seconds after detection (low oxygen alarms if oxygenis less than 82% volume fraction at specified environmental conditions)
Oxygen concentrator status indicator: High priority alarm that indicates when oxygen concentration drops below 82%

Additional Information

Flat Rate Shipping No