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Zen-O Portable Oxygen Concentrator RS-00502-G

By GCE Group
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    Availability: In stock

  • continuous or pulse flow
  • smallest and lightest continuous flow concentrator, cart mounted weight 13.5 lbs
  • medium battery life, 4 hours
  • supports 13 different languages
  • 24/7 operation
CONTACT US FOR BEST PRICE!!! Due to manufacturer restrictions we cannot list the sale price of this item online. However, we can send you an Instant Email with our best price right to your inbox by providing your email address below! Or talk to one of our specialists at 800-397-5899

Item# Description Size Price

Concentrator with ONE BATTERY




Concentrator with TWO BATTERIES





What Comes in the Box?


Zen-O Oxygen Concentrator Standard Componets


Zen-O™ Portable Oxygen Concentrator Standard Components

  • Concentrator
  • AC Power Supply
  • DC Power Supply
  • Battery
  • Carry Bag
  • Pull Cart
  • User Manual
  • 3 Year or 15,000 Hour Concentrator Warranty
  • 1 Year Battery Warranty

Zen-O Portable Oxygen Concentrator - Product Number RS-00502-G-S

Zen-O with Cart


Zen-O Portable Concentrator offers both continuous and pulse flow for oxygen therapy patients. The Zen O offers 2 liters per minute (LPM), meeting the oxygen demands for most patients. This concentrator is designed for respiratory disorders such as chronic obstructive pulmonary disease (COPD), providing oxygen on demand for patients both at home or on the go. Its lightweight structure and small size make it easy to bring with you in its carry-bag or pull cart that comes standard with your order.

Zen-O concentrator offers greater operational efficiency than many of the competing products on the market. Maximum outlet pressure is 20.5 psi, able to push oxygen through extended tubing. The oxygen levels range between 87 to 96 percent. Noise emission is at 42 decibels (ISO 3744 standard).

The AC power adapter is able to function using from 100 to 240 volts on 50 to 60 hz systems. The DC power adapter provides for use in automobiles, boats and RV’s. A 12-cell battery will power the Zen-O for 4 hours with 2 LPM of oxygen at 18 breaths per minute (BPM) while in pulse flow mode. Add an additional battery and the Zen-O will allow you to operate away from home for up to 8 hours.

The Zen-O is manufactured by GCE with an easy to replace sieve bed that can be exchanged using simple tools in under 5 minutes. This can save you hundreds of dollars over other brands. Zen-O™ uses advanced technology in its construction to adjust the amount of oxygen delivered according to a patient’s breath rate. When the patient needs more oxygen the device will automatically respond by increasing the oxygen output.

Description of Components

Zen-O Components


Component Description

  • Portable concentrator - weighing less than 9 pounds and offering continuous or pulse oxygen flow.
  • AC power adapter - adjustable to a range of 100 to 240 volts and 50 to 60 hz.
  • DC power adapter - powers your device while in a car, RV or boat.
  • Rechargeable lithium ion battery - has 12-cells, providing a 4 hour duration.
  • Carry bag - attractive and provides a protective cover, allowing you to carry as a shoulder bag or mount in the cart.
  • Cart - small, lightweight and easy to manuever through crowded areas.
  • User manual - provides instruction for setup and operation.

Compare the Product Bundles

Concentrator Options


Concentrator with One 12-Cell Battery

  • Cart Weight: 14.96 lbs. (concentrator, battery, carry case and cart)
  • Carry Weight: 10.73 lbs. (concentrator, battery, carry case)
  • Battery Duration: 4 hours (fully charged batteries at pulse flow setting 2)
  • Battery Recharge Time: 3 to 4.5 hours

Concentrator with Two 12-Cell Batteries

  • Cart Weight: 16.41 lbs. (concentrator, 2 batteries, carry case)
  • Carry Weight: 12.18 lbs. (concentrator, 2 batteries, carry case and cart)
  • Battery Duration: 8 hours (fully charged batteries at pulse flow setting 2)
  • Battery Recharge Time: 3 to 4.5 hours


Features and Benefits


Zeno Lightweight Portable Oxygen Concentrator

Top View

Zeno Features


  • Dual mode operation with up to 2 litres of oxygen in pulse or continuous flow.
  • Easy to use LCD panel.
  • Global support with locations in Latin America, China, Europe, Africa and North America with replacement parts and accessories.
  • Field replaceable sieve bed in under 5 minutes using simple tools.
  • Audible and visual alarms prompt the user of a required action, including low battery, service required, and no breath detected.
  • Durable and reliable.
  • Supports 13 different languages—English, German, French, Spanish, Swedish, Dutch, Italian, Danish, Finnish, Norwegian, Portuguese, Turkish, and Czech.


List of 13 Languages

Product Specifications


Zeno Mounted in Cart
Continuous Flow Rates

Power Consumption Chart

Battery Duration Chart


Product Size and Weight

  • Width: 8.3 Inch.
  • Height: 12.3 Inch.
  • Depth: 6.6 Inch.
  • Device Weight: 8.8 pounds.
  • Battery Weight: 1.45 pounds.
  • Carry Bag Weight: 0.48 pounds.
  • Cart Weight: 2.78 pounds.

Product Performance

  • Oxygen Output (maximum): 2 LPM Continuous Flow and 22 mL Pulse Flow at 20 BPM.
  • Oxygen Concentration Levels: 87 to 96%.
  • Maximum Outlet Pressure: 20.5 psi.
  • Maximum Operating Altitude: 9,000 feet above sea level.
  • Oxygen Flow
  • Pulse Flow: 1 to 6.
  • Continuous Flow: 0.5 to 2.

Product Operation

  • Noise: 42 dBA at setting 2.
  • Average Power Consumption
  • Power Consumption Continuous Flow at Setting 2: 133 Watts and 140 Watts while charging.
  • Power Consumption Pulse Flow at Setting 2: 25 Watts and 70 Watts while charging.
  • Power Requirements
  • AC Input 100 to 240 VAC, 50/60 Hz.
  • AC Output: 24 VDC, 6.25 A.
  • DC Adapter Input:11.5 -16 VDC.
  • DC Output: 19 VDC, 7.9 A.
  • Battery: Lithium Ion 12 Cell.
  • Battery Duration Pulse Flow: 4 hours at setting 2.
  • Battery Duration Continuous Flow: 0.75 hours at setting 2.
  • Battery Recharge Time While In Use Pulse Flow: 3 hours.
  • Battery Recharge Time While In Use Continuous Flow: 3 to 4.5 hours.
  • Alarms: Low oxygen purity, no breath detected, low battery, service required.
  • FAA approval.

Manufacturing and Dependability

  • Product Numbers: RS-00502-G-S, RS-00502-G-D.
  • Manufacturer: GCE.
  • Brand: Zen-O.
  • Made in United Kingdom.
  • HCPCS Code: E1390.
  • Warranty: 3 years or 15,000 hours.
  • Battery Warranty: 1 year.
Vitality Medical - A Better Place to Buy


Certified Oxygen Concentrator Specialist Seal
GCE Group Reseller
Zen O Logo


Certified Oxygen Concentrator Specialist - Any questions you might have about the GCE concentrators or any of the other concentrator can be answered by telephone call to one of our specialist. These trained and tested specialist are re-evaluated every six months to ensure they are on top of the latest technologies and oxygen therapy devices. A certified specialist can help you determine which options can meet your prescription requirements. Call toll free to 800-397-5899 to reach one of our specialist.

Rental Program - Oxygen patients who are planning a trip and want to bring a portable concentrator with them may want to consider renting one. Many who have tried Vitality Medical's Rental Program have loved the small, lightweight concentrators so much that they have gone on to purchase one. Several models are 24/7 oxygen machines. We rent by the week with no limitation on the number of weeks. Our rental program gives you the opportunity to try before you buy! Vitality Medical has several lightweight portables approved by the FAA for airline travel for you to choose from. Call today for details at 800-397-5899.

Vitality Medical Buy Back Program - If you are not 100% satisfied with the device you purchased Vitality Medical will buy it back and help you determine a better fit.

Loaner Program - If your device needs to be repaired or serviced by a professional technician during the warranty period, Vitality Medical will provide a loaner concentrator for you to use during the repair period.

Easy Warranty Processing - If something goes wrong with your device while it is under warranty, just give us a call on our toll free number 800-397-5899 to set up your repair. Remember, Vitality Medical offers a free loaner while your device is being repaired.

Additional Product Information


Inogen Bundle





Product Videos

Product Review Video (2:40 minutes)




How To Change the Language (1.02 minutes)




Oxygen Therapy Solution (1:30 minutes)




Service and Maintenance Video (6:57 minutes)

Additional Information

Additional Information

Manufacturer GCE Group
Ships Free Yes
Oxygen Flow Continuous Flow, Pulse Flow
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