Just an update:
The CMS50iw is designed to work with the sp02 assistant ver. 2.2 or higher (not version 1.0).
In my case, after the Silicon Labs usb driver is installed you have to edit the driver info, goto hardware, click on the driver copy & past into a browser. It searches for the actual driver on the internet. I installed that driver and then windows. The unit connected after that through usb. So I can now download the recorded data from the device directly into the sp02 assistant.
Apparently the device is so new there seems to be problems with the bluetooth drivers so I cant use the real time data. The manufacturer and distributor is sending out a bluetooth adapter as a hopeful fix and hopefully the manufacturer will get to updating the drivers.
Just an informational update:
I have found that since using the pulse oximeter the logged data is subjective to placement and movement. I believe it is possible to get accurate results, however the device has to be placed a fairly precise spot on the finger (I would believe it would be to place it where you get the highest ox. reading but not sure). If it moves even slightly after being placed the reading will change, thus creating an inaccurate result. The device comes uncalibrated out of the box but I believe the specs are accurate without having it calibrated (I think it is .2%).
We all move when we sleep so it may be difficult to get an accurate reading. You may never know if you moved the position of the sensor unless you can video record each second and match it to a data log.
I still haven't figured out how to import the data into Sleepyhead but I know there is a way. If anyone has done this I am open ears.
So you can't get SH to see the data file? SH should see the SpO2 format. Did you read the instructions in the link I provided? Since you know how to download it from the oximeter to your computer, then you can just click on the "Importing Data..." link at the top of that page.
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I meant to put the last post in this thread here. As an update, the function switch on CMS50IW broke so it is being returned. I was initially able to get the recorded data off the device into the SP02 Assistant, but the files are not compatible with Sleepyhead. The supplier is going to replace with a different device.