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[Equipment] Wrist Oximeter CMS-50F
#1
Caution about the accuracy of the CMS-50F wrist probe/recorder.
I bought one from eBay, the readings were 5-7% low. The price is considerably lower than those listed in Amazon. The price I paid was $80 with free shipping. At first it seems to be a nifty gadget. However, its readings were not very accurate, although both the hardware and software work. I have returned it for a refund.
Sincerely,
hiddendragon
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#2
OK, I'll bite. What did you use to determine the 5-7% difference?
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#3
Hi hiddendragon,
WELCOME! to the forum.!
Hang in there for more responses to your post and much success to you with your CPAP therapy.
trish6hundred
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#4
(04-16-2015, 07:28 AM)sgearhart Wrote: OK, I'll bite. What did you use to determine the 5-7% difference?

Compare with AllynWelch Vitals Station and several other finger oixmeters.
hiddendragon
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#5
Must depend on the unit. Mine is dead on with my sleep doctors machine.
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#6
I copied your review into the Review Forum for this device and included the other comments.

You can find it here: http://www.apneaboard.com/forums/Thread-...#pid109185
PaulaO2
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#7
(04-16-2015, 04:35 PM)Clay L Wrote: Must depend on the unit. Mine is dead on with my sleep doctors machine.
That's not unusual with devices made in China. I don't think they have strict specifications compliance under control yet. Good to know you get a good unit. Anyway, the manufacturer, Contec, does not specify the wrist oximeter is a medical device.
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