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Monitoring & Life Support

C-PAP MACHINE

A CPAP (Continuous Positive Airway Pressure) machine is a medical device that provides a steady stream of pressurized air through a mask to keep th...

Technical Specifications

Pressure RangeMost home CPAP machines for adults operate within a pressure range of 4 to 20 cm H₂O (centimeters of water pressure), with the average effective pressure often falling between 8 and 10 cm H₂O. Hospital or infant-specific units may have different ranges.
Pressure TypeStandard CPAP machines deliver a fixed pressure, while others (Auto CPAP or APAP) automatically adjust pressure within a preset range based on real-time breathing patterns.
Noise LevelModern machines are designed for quiet operation, typically below 28 dB (decibels) at a distance of 1 meter to ensure undisturbed sleep.
Basic models (without humidifier)Typically consume between 30–60 watts per hour.
With heated humidifier/tubingPower consumption increases significantly, often ranging from 60–100 watts per hour, as heating the water and air requires more energy.
Power SupplyMost devices have an automatic universal power supply (100 to 240 V AC operation at 50-60 Hz) and often offer options for 12V or 24V DC operation for travel or battery backup.
HumidificationBuilt-in or detachable heated humidifiers are common features to add moisture to the air and prevent dryness of the mouth and nasal passages.
Data LoggingMany modern CPAP machines include smart connectivity and data recording capabilities to track usage, sleep quality metrics (e.g., apnea events), and therapy progress for review by healthcare providers.
Physical CharacteristicsMachines are generally compact and lightweight, especially travel models, to be portable.
TubingFlexible hoses come in standard diameters (e.g., 15mm or 22mm) and may be heated to prevent condensation buildup.

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