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Oxygen Concentrator
Operating instruction


Thank you for buying this product, I hope you become a satisfied user of our products.
This manual describes the functions, operation steps, precautions, and basic troubleshooting of the product.
In order to ensure your correct use of the machine, please read this manual carefully before use.
Please note that some legends in this manual may be different from what you see in the machine.
The use of other parts or materials in this product will reduce the minimum safety level, requiring the use of the company’s approved accessories, replaceable parts, and materials.
Their validity period is 5 years. Please pay attention to the expiry date or expiry date on the package before use.

Safety instructions

◇ This product cannot be used to sustain life. It is recommended that patients on aerobic therapy should follow the doctor’s guidance in choosing the flow rate and oxygen intake time when using this machine.
◇ If the patient experiences or exhibits adverse reactions to oxygen, contact the equipment supplier or physician immediately.
◇ Seriously ill patients should be equipped with additional indicating equipment when using this device. If there is an adverse reaction, please inform the
patient immediately.
◇ Do not place the nose straw under the bed cover or chair cushion.
If no one breathes oxygen and opens the machine, the oxygen generated will help combustion.
◇ Turn off the power switch when no one is taking oxygen.
◇ Oxygen has a combustion-supporting effect, oxygen machines should be away from the open fire and ignition source, in the vicinity of oxygen inhalers are prohibited from smoking and open fire.
◇ Before cleaning the oxygen machine shell dust, must unplug the power plug, in case of electric shock.
◇ Do not open the front and rear chassis of the machine at will. If there is any quality problem, the customer should not disassemble and repair it without permission. If there is any abnormal phenomenon, the customer should contact the dealer or the manufacturer.

Matters needing attention

◇ Oxygen machines should be placed in a clean environment without dust, corrosion, and toxic gas.
◇ The air inlet of the oxygen machine should be located in a well-ventilated space to avoid air pollution or smoke in the oxygen.
◇ An oxygen machine in use to ensure that the bottom of the exhaust is smooth, otherwise it will cause overheating.
◇ Oxygen machine in use there is an interval of exhaust sound (interval of about 10 seconds), that belongs to the normal.
◇ It takes about 5 minutes to connect to the oxygen machine to achieve the specified performance.
◇ This machine is only used for oxygen concentration supply. When the output gas is 9.9L/min (maximum), the oxygen concentration reaches 90% ~ 96%.
◇ The oxygen status indicator (OCSI) indicates that there is a tolerance in oxygen concentration when the oxygen concentration in the finished gas is abnormal.
◇ The humidifier shall use distilled water or purified water in quantities below the highest scale.
◇ The humidifying bottle conforming to the specifications of the supporting products shall be used. It shall not be changed at will, or it may cause harm of oxygen absorption and discomfort.
◇ When the oxygen machine status indicator indicates abnormal oxygen concentration levels. The operator shall declare to the dealer or manufacturer for
◇ The cleaning items of the oxygen machine are the humidifier, filter cotton, and filter. The humidifier shall be cleaned every 3 days or so, the external filter cotton shall be cleaned every 100 hours or so every week, and the internal filter shall be cleaned every 3,000 hours or so.
◇ When the flow control knob is fully turned on but the flowmeter indication is zero, it must be shut down immediately and then checked for faults.
◇ The machine cannot be opened and closed frequently: the machine should be switched on again after shutdown, and the interval time should not be less than 5 minutes (that is, the gas in the machine must be discharged. Prevent air compressor with pressure start to affect its life.
◇ Do not turn on the power when the flow control valve is closed.
◇ The water in the humidifying bottle should be replaced every 2-3 days, especially in summer. If not used for several days, please pour out all the water in
the wet bottle and wipe the wet bottle.
◇ Nasal oxygen tubes and humidifiers suitable for matching product specifications should be selected. If other types of nasal oxygen tubes or humidifiers are used, they should be closely and reliably connected to the oxygen machine. The nasal oxygen tubes are for personal use only.
◇ In addition, the circuit board, components, shell, pipes, and other equipment components of the equipment may cause environmental pollution after the
service life of the equipment. Therefore, it is suggested that the equipment components should be disposed of according to relevant national regulations: recyclable parts should be recovered, and non-recyclable parts should be disposed of according to relevant regulations.
◇ Nasal oxygen tube and atomizing masks in contact with the patient are disposable and cannot be reused. To prevent cross-infection, do not use the same
nasal oxygen tube and atomizing mask for two persons.
◇ Oil and grease are strictly prohibited in contact with the machine.
◇ In case of potential electromagnetic interference or other interference between the machine and other electronic devices, other electronic devices shall be turned off.

Equipment identification, warning, and abbreviation

AUPO YRK 10L Oxygen Concentrator - warning

Product introduction

Products using the PSA (Pressure Swing Adsorption) principle of oxygen in the air with ammonia gas and other gas separated, at room temperature, and, turning on the power supply can be continuous piping up to the standard of oxygen from the air.

Product operating environment

(including oxygen concentration status indicator (OCSI) and oxygen concentrator )

  1. Ambient temperature: +5 ℃ ~ +40 ℃;
  2. Relative humidity: ≤90%;
  3. Atmospheric pressure range: 700 hPa ~ 1060 hPa; The logo
  4. The surrounding environment is non-corrosive gas and has a strong magnetic field.

Scope of application

Small molecular sieve oxygen production equipment for personal use.


Patients with oxygen poisoning, bacterial wilt poisoning, and other patients who are not suitable for oxygen.

Technical parameters

Main performance parameters of oxygen concentrator


Traffic (L/min) Oxygen concentr nation (ml/ml) Power (W)

Atomizer gas flow rate (L/min)

YRK-10L 0.5–9.9 90%–96% 550 ; MO
Software component s The name specifications The release
oxygen concentrator YRK-10L V1.0
  1. Physical and chemical indexes:
    Oxygen concentration: 90.0% ~ 96.0% (ml/ml);
    Moisture content: ≤ 0.07g /m3;
    Carbon dioxide content: ≤0.01% (ml/ml);
    Carbon monoxide content: ≤0.0005% (ml/ml);
    Gaseous acid and alkali contents: meet the requirements of pH in
    Ozone and other gaseous oxides content: meet the provisions of other gaseous oxides in WS1-XG-008-2012;
    Smell: Oxygen should not smell;
    Sulfur dioxide content: ≤0.0001% (ml/ml);
    Nitrogen oxide content: ≤0.0002% (ml/ml);
    Oil content: ≤ 0.1mg /m3;
    Particle size of solid: ≤10 m;
    Solid matter content: ≤0.5 mg/m3.
  2. Airtightness:
    The connection of all fasteners is reliable without any looseness; Allpipelines and control valves are arranged in order, and there is no leakage at the connection.
  3. The normal working noise of the oxygen concentrator shall not be greater than 60 dB(A).
  4. Oxygen production
    After the oxygen concentrator works normally for 10 min, the detection flow is adjusted and continuously adjustable, and the output oxygen flow is
    0.5L /min ~ 9.9L/min.
  5. Error of flow meter:
    Not more than ±10%.
  6. Acoustic and optical signals:
    A) The green light will be on when the power is switched on;
    B) The red indicator lights up when the power supply voltage is lower than
    A.C. 187V;
    C) When the power supply is interrupted, the power alarm indicator (red) flashes and the buzzer alarms; Power off alarm adopts capacitor power
    storage principle, alarm time ≥30 s.
  7. Safety pressure of wetting cup: 0.01mpa ~ 0.02mpa.
  8. Oxygen concentration monitoring instructions
  9. Timing control
    9.1. When the timer is set, the remaining time of the shutdown shall be clearly displayed. When the time is set, the oxygen concentrator will automatically enter the sleep state.
    A) The maximum timing time is 9 h50 min;
    B) Timing and adjustment step size is 10 min;
    C) Timed display step size is 1 min;
    D) Timing error shall be ≤ ±5%.
    The timer can correctly record the cumulative working time of the oxygen concentrator in hours (h) with a 5-digit display.
    Cumulative timing method: When the cumulative working time reaches 1 hour, the timing display time will be increased by 1h. If the number of minutes exceeds an integer, it will be regarded as the cumulative time next time, and the cumulative time will be increased by 1 hour after the next time reaches 1 hour.
  10. Performance of atomizer
    10.1 Spray rate
    Spray rate ≥ 0.2ml /min.
    10.2 Gas flow: the free airflow of the compression pump should not be less than
    10 L/min under test conditions.
    10.3 Pressure range
    10.3.1 Normal pressure: Under the normal working condition, the pressure generated by the host machine is less than 0.05mpa.
    10.3.2 Abnormal pressure: When the host machine is abnormal, the maximum pressure generated by the host machine is less than 0.3mpa and no pipe body rupture occurs.
    10.4 Liquid residue: less than 1.5 mL.
    10.5 Continuous working time: the atomizer can work normally under normal working conditions, when the ac power supply is used, continuously working for more than 4 hours.
    10.6 Equivalent volume particle size distribution
    10.6.1 The proportion of fog particles with a diameter less than 5 m produced by atomizers shall be greater than 60%.
    10.6.2 The median particle diameter was 2.8 m, with an error of ±25%.
    10.7 Disposable atomizer, disposable nasal oxygen tube
    10.7.1 Disposable products, meeting the sterility requirements.
    10.7.2 Residual ethylene oxide meets the requirements of GB/T 16886.7.
    10.7.3 With the registration certificate of devices, the disposable nasal oxygen tube is type A; The single-use atomizer is BY-W-M-3 with L specification.
    10.7.4 Requirements for chemical properties of the nozzle, components in contact with drugs, and materials for catheters of the atomizer:
    A) Heavy metal content: The total heavy metal content in the test solution ≤1 g/mL;
    B) pH: the pH difference between the test solution and the blank solution shall not be greater than 1.0;
    C) Reducing substance: the difference in the volume of 0.002 mol/L potassium permanganate solution consumed between 20 mL test solution and the blank control liquid of the same volume shall not exceed 1.5 mL;
    D) Non-volatile: the total evaporation residue of 50 mL test solution shall not exceed 2.0 mg.
  11. Software functions
    The software can realize the functions of oxygen flow display, oxygen concentration display, fault prompt, and alarm.

Structure composition and operation steps

  1. Structure composition
    This product is composed of an oxygen concentrator, humidifier, flowmeter, disposable atomizer, disposable nasal oxygen tube, and software.
  2. Appearance structure
    1 )Exterior structure drawing
    AUPO YRK 10L Oxygen Concentrator - drawing1)Alarm close and alarm reset button, press ” ” to indicate that the alarm is closed (that is, the alarm is in an inactive state), and the alarm suppression indicator” “is illuminated; Press ” ” to indicate alarm reset (that is, an alarm is active).
    4. The product USES a molecular sieve with a service life of 20,000 hours. Contact the manufacturer to replace the molecular sieve at that time.
    2 )The display screen is normally displayed as shown below.
    AUPO YRK 10L Oxygen Concentrator - ligh3 ) The indicator light
    When the power switch is on, the green power indicator lights up. When an alarm occurs, the red alarm indicator flashes and the sound alarm is sounded; In case of malfunction of the instrument, the red indicator light of power off/fault will be on continuously and the buzzer will sound. When the power grid is interrupted, the power off/fault red light flashes, and the sound alarm is sounded.
    AUPO YRK 10L Oxygen Concentrator - display4 ) Alarm suppression indication ” “.
    5 ) Timer setting: set the normal working time of the oxygen concentrator. “+” means to increase the timing time, and “-” means to reduce the timing time.
    6 ) The power switch button, press ” “, means the power is on; press” “, means the power is off.
    7 ) Oxygen flowmeter, indicating and regulating flow rate; The indicating range is “0 ~ 9.9L/min”, clockwise is to reduce and close the flow, counterclockwise is to increase the flow. The oxygen concentrator has about one flowmeter.
    8 ) Humidifying bottle. The outlet above the humidifying bottle is an oxygen outlet, connected with a disposable nasal oxygen tube. Insert the inlet of the nasal oxygen tube into the oxygen outlet of the humidifier and the other end into the nostril.
    AUPO YRK 10L Oxygen Concentrator - nostrilDisposable nasal oxygen tube structure drawing
    9) Atomization interface, connected to a disposable atomizer; Connect the input port of the atomizer with the atomizing outlet of the equipment; For the specific installation of the disposable atomizer, please refer to its operating instructions.
    AUPO YRK 10L Oxygen Concentrator - Disposable nebulizer10 ) Buckle hands: use when handling or packing;
    AUPO YRK 10L Oxygen Concentrator - Filter window10) Filter window: in case of replacement, special paper fittings of this the machine shall be used;
    AUPO YRK 10L Oxygen Concentrator - power inputThe power input terminal on the back of the device has a storage box on the top for storing random items such as nasal oxygen tubes.
  3. Assembly and operation steps
    1) Remove the wet bottle clockwise, inject an appropriate amount of distilled water or cold water between the highest and lowest scale lines, and then tighten the bottle.
    AUPO YRK 10L Oxygen Concentrator - Humidifier
    2) Turn on the power, insert the power plug into the required power socket A.C.
    220 V50 Hz, and turn on the power switch. Make sure the grid and equipment are well grounded before switching on the power.
    3) Adjust the oxygen output flow as required. The scale on the flowmeter is the recommended oxygen flow rate (the knob is turned on counterclockwise and turned off clockwise). The oxygen therapy user should strictly follow the doctor’s instructions and perform oxygen therapy according to the oxygen flow rate and daily oxygen intake time given by the doctor.
    4) Insert the inlet end of the nasal oxygen tube into the outlet of the humidification bottle, connect the two humidification bottles with a double-flow oxygen outlet, and adjust the flow meter to 2.5 (L/min) at the same time. The nasal oxygen tube is then attached to the oxygen inhaler’s ear, and the nasal plug is inserted into the oxygen inhaler’s nostril.
    5) After oxygen inhalation, turn off the power switch and unplug the power plug.
    6) When the oxygen inhaler needs regular oxygen inhalation, press the “timing +” button to start the timing, and adjust the required timing through “timing + and timing -“. The maximum timing time is 9 h50 min.
    7) The display shows oxygen concentration.
    8) If the power switch of the oxygen concentrator is switched on but the whole machine is still in the power-off state with an alarm sound, please check whether the contact of the power connection part is good or whether the external power supply has been interrupted.
    4. Method of loading and unloading of removable parts and accessories, and description of the replacement of consumed materials during use
    1) Humidifier
    AUPO YRK 10L Oxygen Concentrator - bottleAccording to the thread of the wet bottle mouth, remove the wet bottle clockwise, rotate counterclockwise, and install the wet bottle.
    2) Single-use atomizer
    Take out the atomizer that meets the requirements from the outer packing, install the atomizer according to the manual for disposable atomizer, and connect the input interface of the atomizer to the atomizing interface of the oxygen concentrator.
    3) Disposable nasal oxygen tube
    Take out the atomizer that meets the requirements from the outer packing, and connect the intake end of the nasal oxygen tube with the oxygen outlet of the humidifying bottle.
    5. The top cover of the humidification bottle must be tightened, otherwise the air leakage at the place will reduce the amount of oxygen. Scrub every 2-3 days to prevent bacteria in the water (can be operated by the user).
    6. Cautions for the use of disposable nasal oxygen tube and atomizer: the nasal oxygen tube and atomizer used together with this oxygen machine are disposable and cannot be reused.
    7. Cleaning, disinfection, and sterilization of parts that contact with patients: the parts that contact with patients are nasal oxygen tubes and atomizers, all of which are disposable articles. Please check whether the package is damaged before use. Do not use if there is any damage.
    8. Preventive inspection
    Check the power cord every six months.
    Check whether the intake filter is damaged after each cleaning.
    Check the inlet filter monthly for breakage.
    If the above parts are damaged, they should be replaced immediately.

Failure and troubleshooting

(all operated by the manufacturer)

Serial number

The fault phenomenon The reasons causing

Elimination method

1 It doesn’t work
when powered on
1. oxygen concentrator  circuit and     power     supply is not connected
2. The fuse is disconnected
3. compressor capacitor damage
4. Compressor failure
1.  Check whether the switch, plug, socket, and power lead are in good condition
2.  Replace the fuse and check the cause
3.  Replace the starting capacitor
4.  The main maintenance personnel shall replace the compressor
2 Not much oxygen or gas 1. The internal oxygen delivery hose is on sale and the air is not free
2. The filter is blocked and the intake is not unobstructed
3.the  wet  bottle cap  is not closed, leakage
1. Resupply the oxygen hose
2. Clean the filter
3. Remove the cap and replace it Screw well. After starting the machine, plug the air outlet with your thumb. After about 5 seconds, there should be a whistle in the wet container (the wet cargo container safety valve is opened).
3 No exhaust noise 1. The air control valve fails
2. The electric control board fails
1. The maintenance personnel shall replace the air control valve
2. The maintenance personnel  shall replace the electric control board
4 Excessive exhaust 1. Exhaust muffler connector falls off 1. Reconnect the joint
2. The  maintenance staff shall replace
noise 2. Exhaust silencer is damaged the silencer
Alarm code Report to the police that Overview of Using algorithms Alarm status description
When the grid voltage is
After rectifying and filtering, the secondary winding of the transformer is sampled through the resistance partial voltage and converted to ac voltage value. When the
value is lower than the preset value, the power is considered to be off and the power of the alarm program is started.
The alarm state is the technical alarm state, and the priority is high. Red
indicator lights flash and auditory alarm; The inherent delay of the
alarm status is less than 5 s.

The operator must ensure that the position of the alarm system can be normally observed and identified. When the alarm occurs, the operator can make corresponding treatment in time.
Once a month, the operator should verify that the alarm system is working.
The verification method is as follows: manually adjust the flow to make oxygen concentration or flow exceed the alarm limit, and confirm whether
the alarm system works.
Warning icon Warning: Different alarm presets for the same or similar equipment used in any separate area are potentially dangerous!
For example intensive care or cardiac surgery.
The alarm system can only store one alarm preset, which is the manufacturer’s internal default preset.
The operator cannot change the alarm preset through external adjustment and setting.
To restore the alarm preset state set by the manufacturer, the user must contact the manufacturer for debugging and setting by the manufacturer’s professionals.
When the power loss time does not exceed 30 s, the alarm setting before the power loss can be automatically restored.
After the power interruption, the alarm system will restore the default alarm function of the system. The alarm setting will not change during and after the

9.2. Timing function

In addition, the company in accordance with the relevant national regulations implements the three guarantees policy. If the relevant users need to repair it by themselves, it shall be approved by the Company. The Company can provide the technical personnel meeting the requirements with the list if necessary components and circuit diagram for maintenance.

Responsibilities of the manufacturer

The Company holds itself responsible for any impact on the safety, reliability, and performance of the equipment only in the following circumstances:
— Assembly, addition, commissioning, alteration or maintenance shall be carried out by personnel authorized by the Company;
— The electrical facilities in the room are in compliance with the relevant requirements, and
— The equipment is used according to the instructions.

Transportation and storage conditions

PaAmbient temperature range: -20℃ — 55 ℃;
Relative humidity range: ≤93%
Atmospheric pressure range: 760 hPa ~ 1060 hPa

Environmental Protection Instructions

After the service life of the equipment, its circuit boards, components, shells, pipelines, and other equipment components may cause pollution to the environment. Therefore, it is suggested that the equipment components should be disposed of according to relevant national regulations: recyclable parts should be recovered, and non-recyclable parts should be disposed of according to relevant regulations.
Disposable accessories should be treated as waste.

Product list(including interchangeable parts)

oxygen concentrator 1 set
The instructions 1 this
Disposable nasal oxygen tube 2 the root
Product certificate 1 piece
The power cord 1 the root
Intake strainer 2 pieces
Filter cotton 1 piece
Warranty card 1 piece
Insurance tube 2 pieces
Disposable atomizer 1 piece
Wet the bottle 1pieces

Electromagnetic compatibility

  1. Equipment grouping and classification Oxygen concentrator YRK- 10L belongs to group 1 B equipment according to GB 4824.
  2. Basic performance Oxygen concentrator shall meet the following requirements under the test conditions specified in YY 0505 36.202:
    1) It can set parameters as expected. and the normal function of each button shall not fail.
  3. Electromagnetic emission

Guide and manufacturer’s statement – Electromagnetic Emission

Oxygen  concentrator YEE- 10L is expected to be used in the following electromagnetic environments and the buyer or user shall guarantee its use in such electromagnetic environments
Emission test Compliance Electromagnetic Environment  Guide
Radiofrequency transmission GB 4824 1 set of Oxygen concentrator VW- 10LNETS rf energy only for its internal functions. As a result, its radio frequency emission is low and the likelihood of interference frith nearby electronic devices is low,
Radiofrequency transmission GB 4824 Class B The oxygen concentrator YRK 10L is suitable for use in all facilities, including domestic facilities, and is directly connected to the household public low-voltage supply grid,
Hatrnonic emission GB 17625.1 Class A,
‘Voltage fluctuation/ scintillation  emission GB 176252 Conform to the

Electromagnetic Immunity

Guide and manufacturer’s statement — ELECTROMAGNETIC irnmumty
Oxygen concentrator mifIK- 101-is !expected to be used in the following specified electromagnetic environment and the buyer or user shall guarantee its use in such electromagnetic environment:
Immunity test IEC 60601 test level In line with the level !Electromagnetic Envimormeht —Guide
EieettOatatiC discharge t6 kV contact discharge ±8 kV air discharge ±6 kV contact discharge
± 8 kV air discharge
The floor Mal S wool~ concrete or ceramic tge, and it it is covered with? synthetic material, the relative humidity be at least 30%.
Electrical fast transient p 1,4 Ise group GRIT 176213,4 ± 2 kV to the power cord t 2 kV to the power cord The grid beef supply shout(‘ be of the quality used in a typical commercial or hospital environment.
The surge
G B.rrl 7626..5
*. 1 kli line to line
It 2 IN lines to the ground
i 1 IN line to line
± 2 kV lines to the ground
The grid power supply ahoubd be of the quality used in atypical commercial or hospital efigitioninent.
< 5%Uffor 0,5 cycles < 5%I.IT for 0.5 Cytes The grid power sup* should be tithe
on UT, ) 95% respi1e) (on LIT. › 95% respite) qua!y .isod in a typical commercial or
hospital crivircrimant. Id uslivrs of 0 oxygen
40% UT, for 5 cyan 4°14 1-Ti 11)11 CYCle$ concentrator YEW- 10Lleed to run
Voltage sag, shot/ (On LIT. 60% respite) (On UT, SO% respite) continuously during power interneuron, It Is
interruption and 70% UT. 25 cycles 70% UT, 25 cycles recommended that Oxygen  hygiene
voltage variation (On LIT, 30% respite) (On UT, 30% capital) concentrator YRIC 11J1, use uninterrupted
on power input line <5% LIT lot .5 seconds < 5% LIT for 5 seconds P°41/4er sAPPSY’
Con UT, > 95% replied (on UT. >95% respite)
B,’7 17S26.11
Note: UT is 220V at network village before the. tost yott2 ge ‘rs appied_ NA: UT is 22ov network: voltage before the test Kane is applied.
Powe r frequency c magn eti field  (50 Hz) 3 Attu 3 Aim  

The power frequency magnetic field should have the NI Wirral characterizes of Typical i site in 4.5 type: ai convricrcial or coital an iron man.

Gaff 176261

Electromagnetic Immunity to nonlife support equipment and systems

Guide and manufacturer’s statement — ELECTROMAGNETIC immunity
Oxygen concern t rat or YRK- 10L s expected to be used in the following electromagnetic environment, and the buyer or user shall guarantee its use in such electromagnetic environment:
Immunity test IEC 60601The test love! In line with the level Electromagnetic Environment — Guide
The radiofrequency
Garr 17626.6Radiofrequency
rGE3iT 17626.3
3 V (Valid values ) 150 kHz -80 MHz

3 V/m
80 MHz – 2.5 Ghz

3V ( Valid values )
3 Vial
Portable and mobile RF communications equipment should not be used closer than the recommended isolator durance to any pad of the oxygen concentrator YRK­1OL including cables. The distance shall ue calculated by a formula corresponding to the transmitter frequency.

Recommended isolation distance

d=1.2ii P
d=1.2 . P        80 MHz – 800 Mhz
d=2.3 ‘. P       800 MHz – 2.5 Ghz
P – Maximum transmitter available according to transmitter manufacturer Rated output power, in watts (v):
D – Recommended isolation distance 41 meters (m).
The field intensity of the stationary RF transmitter is determined by surveying the electromagnetic heed and should be lower than the corresponding level at each frequency range.
Interference may occur near dev cos marked with the following symbols.

Note 1 The formula for the higher frequency bands is used at 80MHz and 800MHz frequencies.
Note 2 These guidelines may not be applicable in all cases where electromagnetic propagation is influenced by the absorption and reflection of buildings, objects, and the human body.

A Stationary transmitter such as a base station for wireless (cellular/cordless) telephones and mobile ground radios, ham radio, am and FM radio broadcasts, and television broadcasts, the field intensity cannot theoretically be accurately predicted. In order to evaluate the electromagnetic environment of stationary RF transmitters, the survey of the electromagnetic field should be considered. If the field intensity of the oxygen concentrator YRK-10L is higher than the above RF conformance level, the oxygen concentrator YRK-10L should be observed to verify its normal operation. If abnormal performance is observed, additional measures may be necessary, such as reorienting or repositioning the oxygen concentrator YRK-10L. B in the whole frequency range of 150khz-80mhz, the field intensity should be lower than 3V/m.

Recommended isolation distance between portable and mobile RF communication equipment and oxygen concentrator YRK-10L– For non-life support equipment and systems

Recommended isolation distance between portable and mobile RF communication equipment and oxygen concentrator YRK-10L

oxygen concentrator YRK-10L is expected to be used in electromagnetic environments where if radiation harassment i! controlled. Depending on the maximum output power of the communication equipment, the purchaser or user can prevent ELECTROMAGNETIC interference by maintaining the minimum distance between portable and mobile RF communications equipment (transmitter) and oxygen concentrator YRK-05G as recommended below.

The maximum rated
the output of the transmitter
The isolation distance corresponding to different frequencies of the transmitter/m
150 kHz.
d=1.2   t –
80 MHz-  71Hz
d=1.2  P
800 MHz 3Hz
d=2.31: P
0.01 0.12 0.12 0.23
0.1 0.38 0.38 0.73
1 1.2 1.2 2.3
10 3.8 3.8 7.3
100 12 12 23

For the maximum rated output power of the transmitter not listed in the above table, isolation distance 0 is recommended in meters (m), which can be determined by the formula in the corresponding transmitter frequency column, where P is the maximum rated output power of the transmitter provided by the transmitter manufacturer in watts (W).
Note 1 The formula for the higher frequency range is used at 80 MHz and 800 MHz.
Note 2 These guidelines may not be applicable in all cases where electromagnetic propagation is influenced by the absorption and reflection of buildings, objects, and the human body.

Installation environment

The oxygen concentrator YRK-10L is suitable for use in all facilities, including domestic facilities and is directly connected to the household public low-voltage supply grid.
Power receptacles should have reliable protective grounding and use a random matching power cord.
The floor shall be wood, concrete or ceramic tile, and if it is covered with synthetic material, the relative humidity shall be at least 30%. Other equipment used in the vicinity of the equipment shall meet the requirements of electromagnetic compatibility.

The possible impact of portable and mobile RF communication equipment on oxygen concentrator YRK-10L is described in “The recommended isolation
distance between 6 Portable and mobile RF Communication equipment and oxygen concentrator YRK-10L”.
The use of oxygen concentrator YRK-10L is limited to the power cord randomly provided by the manufacturer (see annex 8 for details). When using these power lines, the requirements of 36.201 and 36.202 in YY 0505 are met.
Warning: cables other than those sold by the manufacturer of the equipment as spare parts for internal components may result in increased emission or reduced immunity of the equipment.
Warning: The device should not be used close to or stacked with other devices.
If it must be used close to or stacked, it should be observed and verified to work normally under the configuration used.
Warning: Equipment used near marked equipment may be disturbed and/or suffer performance degradation related to basic performance and safety.

List of annexes

Serial number

Name of the attachment model


1 The power cord 0.75 X 1.5 300/300V  The length of the: 1.2 m The shielding wire

Oxygen flow diagram of oxygen concentrator

AUPO YRK 10L Oxygen Concentrator - oxygen concentrator

List of standard references

GB 191-2008 Packing, storage, and transportation pictorial marks
GB 3096-2008 Acoustic environment quality standard
GB 5832.2-2008 Determination of trace moisture in gases – Part 2: Dew point method
GB 8982-2009 and airborne respiratory oxygen
GB/T 8984-2008
Gases – Determination of carbon monoxide, carbon dioxide, and hydrocarbons – Gas chromatography
GB 9706.1-2007 electrical equipment – Part 1: General requirements for safety
GB/T 14710-2009
Environmental requirements and test methods for electrical equipment
GB/T 16886.1-2011 Biological evaluation of devices
– Part 1: Evaluation and testing in the risk management process
GB/T 16886.5-2003 Biological evaluation of devices
– Part 5: in vitro cytotoxicity test
GB/T 16886.10-2005 Biological evaluation of devices
– Part 10: stimulation and delayed-type hypersensitivity tests
YY/T 0316-2008
Application of Device Risk Management to Devices (ISO 14971 IDT)
YY 0505-2005 electrical equipment
– Part 1-2: General requirements for safety
– Parallel standard ELECTROMAGNETIC compatibility requirements and tests
YY/T 0298-1998 General technical specification for molecular sieve oxygen production equipment
YY 0709-2009 electrical equipment – Part 1-8: Common requirements for safety
– Common standards: General requirements, tests, and guidelines for alarm systems in electrical equipment and electrical systems
YY 0732-2009 Safety requirements for oxygen concentrators

Main safety features of products

  1. According to prevent electric shock type classification: Ⅰ class
  2. Classification by degree of shock protection: Type B application
  3. Classification according to the degree of protection of the intake fluid: ordinary type
  4. Classification by degree of safety when used in the case of flammable narcotic gases mixed with air or with oxygen or nitrous oxide: not to be used in the case of flammable narcotic gases mixed with air or with oxygen or nitrous oxide.
  5. Classified by operation mode: continuous operation
  6. Input power of equipment: 550 W
  7. Whether the equipment has the application part of protection against defibrillation discharge effect: None
  8. Whether the device has signal output or input part: None
  9. Permanent or non-permanent installation: Non-permanent installation of equipment.

Documents / Resources

AUPO YRK-10L Oxygen Concentrator [pdf] Instruction Manual
YRK-10L, Oxygen Concentrator

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