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Heated tubing on Airsense 10 Elite
#1
Heated tubing on Airsense 10 Elite
My Resmed Airsense 10 Elite heats the tubing initially. When I wake up later, the tubing is not warm.

Is this normal functioning for this machine?
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#2
RE: Heated tubing on Airsense 10 Elite
It will take a sensitive thermometer to determine if the tubing is warmed, because most of set the temperature to about 27 C or 80 F. That is below body temperature and cannot be felt as warmth by touch. It is there to prevent condensation and is not really what I would call "heat". Before manufacturers made heated tubing, I used a heated tube from an Australian company that was really warm. It did the job and even warmed the air passing through it. If you have a IR thermometer, you can probably get a reasonably accurate surface temperature.
Sleeprider
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#3
RE: Heated tubing on Airsense 10 Elite
I've had the perception that the heated tube was warming and then seem to cool off as well. I think what is happening, when you turn the machine on and the heated tube heats up, you sense or perceive there's a warming up because it is heating above whatever room/unheated temperature it was at. The perception of cooling off afterwards is likely that you're mind is expecting the higher heated tube but now it seems cool again after it has gotten to its warmer temperature.

This is what I'm trying to convey: say your room is 70 degrees F. I would think your heated hose also feels like it's around 70. Then you turn on the machine and the heated hose goes to say 80. It will then feel warmer because it is getting warmer. When it reaches 80, it stops increasing and we perceive it as cooling off.
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INFORMATION ON APNEA BOARD FORUMS OR ON APNEABOARD.COM SHOULD NOT BE CONSIDERED MEDICAL ADVICE. ALWAYS SEEK THE ADVICE OF A PHYSICIAN BEFORE SEEKING TREATMENT FOR MEDICAL CONDITIONS, INCLUDING SLEEP APNEA. INFORMATION POSTED ON THE APNEA BOARD WEBSITE AND FORUMS ARE PERSONAL OPINION ONLY AND NOT NECESSARILY A STATEMENT OF FACT.
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#4
RE: Heated tubing on Airsense 10 Elite
This is real. I experienced it with both my S9 and my current Airsense auto. My theory is that the dry tube receives power immediately, thus warming up, but the temp then drops when water vapour starts to arrive.
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#5
RE: Heated tubing on Airsense 10 Elite
Thanks for the replies guys, it seems my machine is doing what it should.

Now that my curiosity has been piqued I may do what Sleeprider suggested and get an IR thermometer to check actual temps. Thinking-about
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