Sleep Apnea Therapy User Manual Page 47
Appendix: Specifications
CPAP performance
Working pressure range:
4 to 20 cm H
2
O
Accuracy of pressure setting:
±1 cm H
2
O or ±10%, whichever is greater
Maximum system shutdown pressure:
30 cm H
2
O
Ramp time duration: 0-45 min + 25% time variance
Operating temperature range: 41 to 104°F (5 to 40°C)
Storage/transport temperature range: -4 to 140ºF (-20 to 60ºC)
Operating humidity range: 10% to 80% relative humidity, non-condensing
Storage/transport humidity range: 10% to 95% relative humidity, non-condensing
Altitude range: 0-8000 feet