The Topson LC-APAP Auto CPAP Machine is an advanced automatic CPAP device designed for people suffering from Obstructive Sleep Apnea (OSA). It automatically adjusts air pressure throughout the night to provide comfortable and effective breathing support, helping users achieve uninterrupted and restful sleep.
Topson LC-APAP Auto CPAP Key Features:
Auto CPAP with pressecure range 4 to 20 cmH2O
Excellent user-equipment synchronization
Multi-level respiratory event detection
Very quiet, lightweight & compact size
SD card data storage for therapy tracking
Ramp feature for gradual pressure increase
Automatic leak compensation
Automatic on and off
High performance turbine
Who should use this machine?
It is recommended for adults diagnosed with obstructive sleep apnea who need auto-adjusting CPAP therapy, especially those with varying pressure needs during the night.

Topson LC-APAP Auto CPAP Specs:
| Parameter | Value |
|---|---|
| Mode | LC-APAP |
| Pressure range | 4 to 20 cmH2O |
| Expiratory pressure relief | 0 to 3 |
| Leak compensation | Automatic |
| Altitude compensation | Automatic |
| Pressure accuracy | ± (0.5 hPa+4%) |
| Ramp time | 0 to 60 Min (5-min increments) |
| Ramp Start Pressure | 4 cmH2O at set pressure |
| Data Storage Capacity | SD Card & On-board > 1 year |
| Dimensions without humidifier | 16 cm x 9 cm x 15.5 cm |
| Weight without humidifier | 960 g |
| Tubing | 1.8 m long x 22 mm |
| Electrical requirements | 100-240 VAC, 50/60 Hz, 2.0- 1.0 A |
| Noise level | <30 dB at 10 cmH2O |
| Data analysis software | PC based |
| Filter | Reusable anti-pollen |
| Device controls | Control dial / Push button |
| Language | Spanish / English |
| Use temperature | 5° to 35°C |
| Storage temperature | -20° to 60°C |
| Relative humidity (in use and storage) | 15 to 95% (non-condensing) |
| Atmospheric pressure | 101 to 77 kPa (0-2286 m) |
| Hazard classification | Class IIa , Type BF, IP22 |
Box Content:
- Auto CPAP Machine
- Humidifier
- Hose pipe tubing
- Mask (optional)
- Filter
- SD Card
- Bag
- Power Adapter
- Manuals

FAQ Section
What is the Topson LC-APAP Auto CPAP machine?
The Topson LC-APAP is an auto-adjusting CPAP device designed to treat obstructive sleep apnea. It automatically adjusts air pressure throughout the night based on the user’s breathing.
How do I maintain the Topson LC-APAP?
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Use distilled water in the humidifier chamber
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Clean the chamber daily and tubing weekly
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Replace filters every month
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Replace tubing and humidifier chamber every 6 months
Are there any possible side effects?
Some users may experience dryness, nasal congestion, bloating, or skin irritation. These are usually mild and can be reduced with humidification and proper mask fit.
Can I travel with the LC-APAP?
Yes. The machine is compact, lightweight, and designed for portability. Ensure the humidifier is emptied before packing for travel.


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