Loewenstein Prisma 20A Auto CPAP Machine
The Loewenstein Prisma 20A is a premium Auto CPAP machine engineered in Germany, designed for patients requiring reliable and comfortable sleep apnea therapy. It combines advanced automatic pressure adjustment with whisper-quiet operation, making it one of the most trusted CPAP devices available in India.
Box Contents
- CPAP Device
- Hose Pipe
- Power Cable and Adaptor
- Bag
- Manuals
- Humidifier (Optional)

features Of Loewenstein Prisma 20A
Modern connectivity
Compatible and future-proof. Various interfaces such as SD, PSG, LAN and external modem offer various options for data transfer. Software solutions (e.g. prismaTS, prisma APP and prisma CLOUD) are available for simple, flexible and secure therapy support.
Sensorless intelligent humidification
When using the prismaAQUA humidifier, smartAQUAcontrol can optionally be switched on: to quickly warm up the applied flow at the start of therapy and to ensure humidifier performance during periods of increased leakage. prismaAQUA can optionally be operated with a heated circuit.
Fall asleep comfortably — softSTART
The softSTART function can be activated to help you fall asleep and slowly acclimate to therapy pressure during the sleep phase. This ensures a slow increase in pressure over a set period until therapy pressure is reached. Particularly useful for patients who find high pressure uncomfortable while awake.
EPR — expiratory pressure relief
The built-in EPR feature reduces pressure during exhalation, making breathing feel more natural and less forced. This significantly improves comfort during therapy, especially for new CPAP users who may find continuous positive pressure challenging during the initial weeks of treatment.
Technical specifications Of Loewenstein Prisma 20A
| Type | Auto CPAP | |||
|---|---|---|---|---|
| Modes | APAP, CPAP | |||
| Algorithm | Standard | |||
| Turbine | Made in Germany | |||
| Pressure Range | 4-20cmH₂O | |||
| Ergonomic Tilted Display | ||||
| Detachable Design | ||||
| Sound level | 26.5dB | |||
| Weight | 1.34Kg | |||
| Dimensions | 170 x 135 x 180mm | |||
| Company Headquaters | Germany | |||
| Auto On/Off | ||||
| Ramp Duration | 0-45min. | |||
| Auto Ramp | – | |||
| Ramp Down | No | |||
| EPR | ||||
| Humidifier | Heated | |||
| Heated Tube Compatibility | – | |||
| Climate control | – | |||
| Preheat | – | |||
| Adaptive Humidification | – |
Frequently asked questions
What is the difference between APAP and CPAP mode?
CPAP delivers a fixed pressure throughout the night, while APAP (Auto CPAP) automatically adjusts the pressure breath-by-breath based on your actual needs. The Loewenstein Prisma 20A supports both modes, giving your doctor the flexibility to prescribe whichever is most appropriate for your condition.
Does the Prisma 20A come with a humidifier?
The Loewenstein Prisma 20A is compatible with the prismaAQUA heated humidifier, which can be purchased separately. The humidifier uses smartAQUAcontrol technology for intelligent, sensorless humidity management and can optionally be operated with a heated circuit.
Is it suitable for travel?
Yes. At just 1.34 kg and 170 × 135 × 180 mm, the Prisma 20A is compact and lightweight enough for travel. However, note that it does not have FAA certification for in-flight use. It is best suited for hotel and home-away use.
What warranty does this product come with?
The Loewenstein Prisma 20A comes with a 2-year manufacturer warranty. Loewenstein has an authorized service centre in Pune, Maharashtra, as well as paid service partners across India.
How do I access my therapy data?
Therapy data is stored on the built-in SD card. You can use Loewenstein’s prismaTS software on your computer to view detailed reports including AHI, leak rate, pressure curves, and usage hours. The prisma APP and prisma CLOUD are also available for remote access and sharing with your healthcare provider.


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