The appearance of oxygen parameters: 
 Length: 46.7 ± 1 厘米 
 Width: 36.5 ± 1 厘米 
 High: 67.0 ± 1 厘米 
 Net weight: 23.2 ± 0.5 千克 
 Gross weight: 26.3 ± 0.5 千克 
 Oxygen technical indicators: 
 Power requirements: 
 (VA / Hz) 230VAC ± 10% 
 (253VAC / 207VAC); 50Hz 
 Rated Input Current: 2 amps 
 Noise level: less than 50 dB (average noise at 45 decibels) 
 Oxygen concentration: 87% - 95% 
 Maximum output pressure: 34.5 ± 3.45kPa 
 Oxygen flow rate: 0.5 - 5 l / min 
 Power: 395 watts 
 Maximum system pressure (pressure protection): 241 ± 24.1kPa 
 Filtration system: 
 - The cooling air inlet filter compartment 
 - Oxygen export HEPA filter sterilization 
 - The compressor inlet filter 
 Applicable to Altitude: 
 - Plain type: no more than 1828 m above sea level 
 - Plateau: an altitude of 3,000 meters above 
 Low flow alarm: 0 - 0.5 l / min rapid alarm tone 
 Ambient temperature :10-35 degrees Celsius 
 Relative Humidity: 20-60% 
 Running time: 24 hours / day 
 Rx-based infant accurate oxygen flow meter features: 
 Use the British Wellcome oxygen flow to meet the needs of low infant. 
 Transmission up to the minimum flow rate: 1 per minute / 16 liters or 50CC. 
 Warranty: 5 years 
 Origin: United States 
 Contact: Zhang Ran QQ: 5.6.5.9.0.5.1.1.2 
 Tel :010-51 .9.2.2.5.72 
 Details Come website: http #://# www. # Ehui # gou. # Com / (remove the #) 
 Address: 47 Fuxing Road, Haidian District, Beijing No. Sky # 1605 Commercial Building Construction