Longfian 1L-7L Mini Low Noise Portable Oxygen Concentrator
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Product Highlights
- Customizable Colors: Available to produce different colors based on customer demands.
- Continuous Flow Technology: 1-7L/min continuous oxygen supply using PSA technology.
- Multi-Source Power Supply: Supports AC, DC car adapter, and lithium battery for versatile use.
- Low Noise Operation: Operates at 38dB for quiet performance in home or travel settings.
- Portable Design: Compact size (350x190x320mm) and light weight (6.3kg) for easy carrying.
- Wide Voltage Compatibility: Supports AC 110V/220V/230V for global usage.
- Comprehensive Certifications: CE, FDA, ISO13485 certified for international market access.
- LCD Display: Equipped with LCD screen for easy monitoring of oxygen levels.
Product Attributes
- Customization
- Available
- Application
- Home, Outdoor, Car
- Scale
- Small
- Model NO.
- B-1
- Voltage
- 110V/220V/230V
- Model
- B-1
- Net Weight
- 6.3kgs
- Theory
- PSA
- LCD Display
- With LCD Display
- Customized
- Available
- Power Consumption
- 90W
- Type
- Portable Oxygen Concentrator
- Oxygen Flow
- 1-7L/Min
- Oxygen Concentration
- 93-38%
- Outlet Pressure
- 0.04-0.07Mpa (6-10Psi)
- Warranty
- 15 Months
- Sound Level
- 38dB
- Breath rate
- Continuous Flow
- Transport Package
- Carton Case
- Specification
- 275x215x315mm
- Trademark
- LONGFIAN
- Origin
- Hebei, China
- HS Code
- 8421391000
- Production Capacity
- 4000days
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Product Description
1-7L Continuous Flow Portable Oxygen Concentrator
B-1, 1-7L/min portable oxygen concentrator adopts pressure swing adsorption (PSA) physical technology to produce oxygen thus is safe and economical to use.

PSA Oxygen Concentrator Technology
Pressure swing adsorption (PSA) is a technology used to separate some gas species from a mixture of gases under pressure according to the species' molecular characteristics and affinity for an adsorbent material. It operates at near-ambient temperatures and differs significantly from cryogenic distillation techniques of gas separation. Specific adsorptive materials (e.g., zeolites, activated carbon, molecular sieves, etc.) are used as a trap, preferentially adsorbing the target gas species at high pressure. The process then swings to low pressure to desorb the adsorbed material.

| Model | B-1 |
| Flow Rate | 1-7LPM |
| Outlet Pressure | 0.04-0.07MPA |
| Power Consumption | ≤90W |
| Power | AC220V(±10%), 50/60Hz (±1Hz); AC110V (±10%), 50/60Hz (±1Hz) |
| Alarm | Power failure alarm |
| Net Weight | 6.3KG |
| Size | 350x190x320mm |
| Optional | DC12V Car Adapter(1PC) , Lithium Battery(1 PC) |

1. Continuous flow, light weight
2. It can do different color based on your demands
Features:
1. Compact design, light weight and easy to carry.
2. 1-7L continuous oxygen supply.
3. Energy efficient and low power consumption.
4. Mutiple ways of power supply, connect with AC power at home, with DC power in car, also with the battery outdoors.



Who Should Use a Portable Oxygen Concentrator?
1.People with cervical spondylosis: relieve the hypoxia symptom caused by cervial spondylosis.
2.People with cardiovascular disease: coronary heart disease, hypertension, heart failure, heart disease, cerebral thrombosis, cerebral hypoxia, migraine, dizziness, etc.
3.People with altitude sickness: high altitude emphysema, cerebral edema, and heart disease are caused by altitude hypoxia,
4.Business people: relieve brain fatigue, enhance sleep, enhance immunity, and avoid sub-health.
5.The elderly: arteriosclerosis, senile dementia, insomnia, dizziness, senile syndrome, etc.
6.Pregnant women: porper oxygen inhalation by the pregant during pergnancy can enable mothers and babies to obtain sufficient oxygen, enable better fetal development, prevent premature delivery, and avoid intrauterine fetaldeath due to hypoxia
7.It is the best choice for hypoxic patients when they go out for activities, travel or emergencies.
8.It is also a perfect companion when working and traveling on the plateau above 4000 meters.
We are Longfian
Longfian Scitech Co., Ltd, a leading manufacturer specializing in oxygen solutions for 25 years, has been professionally dedicated to R&D, production and marketing of various oxygen concentrators which include medical oxygen therapy, indoor oxygen supply, plateau simulation, industrial, veterinary and other fields. Longfian is headquartered in Baoding, China. We have 520 employees, covering an area of 40,000 square meters, with annual production capacity of 1.5 million units.
2 Million Praises from Worldwide
All of our products comply with ISO13485 quality managing system and some models obtained CE and FDA certificates. in the meantime, our technology and R&D team carried out technological innovations, obtained 28 invention and design patents, and obtained registration of 36 countries for import permits. till now, Longfian, has got the market share over 70% and exported to more than 160 countries around the world, benefiting 2 million end-users.
WHO & the United Nations Awards and Recognition
Longfian is the designated qualified supplier of major international organizations like WHO, UNICEF, UNOPS, PATH, PAHO, WORLD BANK, etc. Presently, we have undertaken many rescue material projects of oxygen concentrator from all over the world. During the time that the pandemic of swept the world, we supplied nearly 1,200,000 units oxygen concentrators to different countries and they have expressed their recognition and gratitude to Longfian.


Longfian Footprint in the World
Since the year 1998, we started to go deep and explore the world market. 25 years export experience, 95 countries visits, more than 480 international exhibitions, which all laid a solid foundation for the No. 1 export volume of China-Made Oxygen Concentrator for recent 6 consecutive years and make LONGFIAN brand the benchmark of the mark.

Why choose us?


1. QUALITY
QA and QC covered each step of production and process in the whole factory, which make strict control of each product quality to ensure the finished products 100% qualified. The rigorous and complete QA system has enabled LONGFIAN to obtain international certificates such as CE, FDA, etc.
2. AUTHORITATIVE RECOGNITION
The unanimous choice of world-renowned NGO and governments, which witness Longfian quality and the leading position in the global market.
3. PRODUCTION CAPACITY
Covering an area of 40,000 square meters,annual production 1,500,000 units,to ensure each order delivered on time.
4. TECHNOCOLOGY
With 25 years of experience accumulation and market exploration, we have successfully obtained 28 patents for oxygen concentrators.
The technical team will always maintain innovation and independent research and development, and strive to be the vane leading the oxygen concentrator industries.
5. CERTIFICATES
We have obtained 36 international certifications and market access permits including EU CE, EU FSC, U.S. FDA, Brazil ANVISA, Colombia INVIMA, Mexico COFEPRIS, Saudi Arab SFDA, Russian GOST, Uzbekistan MOH, Ethiopia FMHACA, Nigeria PC ...With all the certifications, we can freely sell to every corner of the world
About the Supplier
This supplier has been audited by TÜV Rheinland. Verify the report on the official TÜV Rheinland website with ID "MIC-ASR246999". Items marked "" are certified.
Company Profile
What We Innovated
Longfian has always been a leader in innovative oxygen solutions. We have developed the IoT administration system for patient oxygen inhaling data, , applied both in hospitals and community medical centers. We devoted ourselves to noise levels and successfully reduced it to 33dB. We are not only leading in research and development, but also possess of the world- level testing equipment, such as Acoustics Test Lab, the Test Cabinet for Temperature and Humidity, Altitude Simulation Test Cabinet and Drop Test Bench.
Why Us
All of our products comply with ISO13485 and some models got the certificates of CE and FDA. With years of experiences, we have successfully been awarded over 30 patents of invention and design, completed registration of more than 45 countries for import permits. Till now, our products cover more than 120 countries around the world. LONGFIAN has been appointed as the qualified supplier to the United Nations Organization such as WHO, UNICEF, UNOPS, UNDP and so on.
Mission and Vision
We will continue adhering to our mission: "Protecting the beautiful homeland of humanity by feeding oxygen to all life on the earth", achieving our vision: "Empower oxygen to various demand of human beings"
About Our Factory & Business Background
-
Business Type
- Manufacturer/Factory & Trading Company
- Address
- Building B5, Kechuang Branch, National University Science Park, No. 666 Lixing Street, Baoding City, Hebei Province, China
-
Plant Area
- 20432 square meters
-
Number of Employees
- 104
-
Registered Capital
- 10,000,000 RMB
-
Terms of Payment
- LC, T/T, D/P, PayPal, Western Union, Small-amount payment
-
International Commercial Terms(Incoterms)
- FOB, CIF, CFR, EXW
-
Average Lead Time
-
Peak Season Lead Time: within 15 workdays
Off Season Lead Time: within 15 workdays -
Nearest Port
- Tianjin Port
-
Minimum Order Quantity
- 1 Pcs
-
Supply Chain Partners
- 16
Our Production Capability & Technical Expertise
- Main Products
- Oxygen Concentrator, Medical Oxygen Cocentrator, Home Oxygen Concentrator, Oxygen Conentrator for Veterinary Use, Industry Oxgyen Concentrator, High Pressure Oxygen Concentrator, Pulse Oximeter, Portable Oxygen Concentrator, Battery Oxygen Concentrator, Veterinary Oxygen Concentrator
-
Production Lines
- 3
-
Production Machines
- Cutting Machine, Drilling Machine, Assembling Production Line, Packing Line
-
QA/QC inspectors
- 8 people
-
Inspection Type for Finished Products
- 100% inspection(Visual inspection & Function inspection)
-
Inspection Method for Finished Products
- Have instructions and uniformly followed
-
Customization Options
- Customization from Samples, Customization from Designs, Full Customization, Minor Customization, Flexible customization
-
ODM Service Available
- Yes
-
OEM Service Available
- Yes
-
R&D Engineers
- 6 people
-
Traceability of Raw Materials
- Yes
-
Own Brand
- Yes
Our Industry Experience & Global Business Record
-
Year of Establishment
- 2009-10-26
-
Export Year
- 13 Years
-
Main Markets
- North America, Europe, Southeast Asia/ Mideast, Africa
-
Repeat Buyers Choice
- 50%~80%
-
Number of Foreign Trading Staff
- 12
-
Overseas Agent/Branch
- No
-
New Products Launched in Last year
- No
Our Certifications, Standards & Industry Recognition
-
Product Certification
- CE
FAQ
- What is the oxygen flow rate?
- The oxygen flow rate is adjustable from 1 to 7 liters per minute.
- Can the product color be customized?
- Yes, different colors are available based on your specific demands.
- What power options are supported?
- It supports AC power at home, DC power via car adapter, and lithium battery for outdoor use.
- What is the warranty period?
- The product comes with a 15-month warranty.
- Is the device suitable for high altitudes?
- Yes, it is an excellent companion for working and traveling on plateaus above 4000 meters.
- What certifications does the product have?
- It holds CE, FDA, and ISO13485 certifications, allowing sales in over 36 countries.
- What is the net weight of the unit?
- The net weight is 6.3 kilograms.
- Does it have an alarm system?
- Yes, it includes a power failure alarm to ensure safety.
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