Kröber 4.

Krober 4.0 is a modern, silent oxygen concentrator (31 dB) on castor wheels.

The whisper-quiet Kröber oxygen concentrator impresses not only with its modern design and simple operation. With this device you choose an oxygen concentrator that has been developed according to the latest insights in both medical technology and electronics. Constant quality controls guarantee constant quality at the highest level. This micro-process controlled Kröber machine on wheels has a USB interface for controlling functions and data. It ensures an O2 concentration of approx. 95% and a continuously adjustable output of up to five liters per minute. This reliable oxygen concentrator is intended for use at home or in the home, as well as for use in clinics. Supplied complete with humidifier, angle bracket and two and five meter nasal cannula. Coarse dust filters, bacteria filters and extra nasal cannulas are also available from us.

Dimensions: 53.5 x 20.3 x 52 cm without rolls
Weight: about 16 kg
Temperature range:
Operation +10 to 40 ° C
Storage -20 to +70 ° C
Sound pressure level: below 31 dB (A)
Coarse dust filter: at the back of the device
Bacterial filter: behind the service hatch
Atmospheric pressure range: 700 mbar to 1060 mbar

Flow setting:
0 to 2 l / min in steps of 0.2
2 to 4 l / min in 0.2 steps
4 to 5 l / min in 0.5 steps
O2 concentration (± 3%):
0.1 to 4 l / min 93%
4 to 5 l / min 90%

Warranty: 30,000 operating hours, max. 5 years ( seeve beds 1 year)