Company Reviews

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Wade White 17 years ago

Verified Buyer

It works exactly as described.

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central scrutinizer 17 years ago

Verified Buyer

Provides reassurance that things are Ok. And will warn if they are not.

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B

Brenda Sexton 17 years ago

Verified Buyer

Usage instructions are well written and easy to understand. Even with arthritic hands, I had no trouble using the oximeter. The large digital display is easy to read. Unit is small and does not take up a lot of space. My husband has asthma and heart disease. Our oximeter is being used to monitor oxygen levels and to give us an early warning should my husband have an issue with his lungs or he...

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E

ENGINEER 10388 17 years ago

Verified Buyer

With tele-medicine increasingly used in this COVID-19 era, I decided to get this pulse oximeter, plus a blood pressure monitor (sphygmomanometer), to use at home. The % O2 readings given by the 500DL are very close to those of the medical grade blood O2 device at my MD's office.Long term accuracy and reliability are to be determined but I'll give it an initial 5-stars, in part due to value.

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Ed Fray 17 years ago

Verified Buyer

Works great

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Michael B 17 years ago

Verified Buyer

I've used several of these oximeters and I like the way this unit has a more stable readout as it updates the display. Other units update and change a bit too frequently. Maybe they have a faster sampling rate. This unit seems to have a better edge on more stable and accurate data in the display. I also like the ability to have the collected data recorded and a basic report computed on my smartpho...

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D

Doris 17 years ago

Verified Buyer

This small device is one of those things that gives you some sense of security and control in understanding what is going on with your body. It is easy to use, read the results, and gives useful info, particularly in these covid days when some studies have shown that a sudden dip in oxygen levels could predict an oncoming breathing issue and a visit to the ER. Nevertheless, a neat daily device to ...

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Tweeterph 17 years ago

Verified Buyer

Don't really know how to test the accuracy of oxygen level, but tested pulse bpm against 3 other sources and it was right on.

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luisfeth91 17 years ago

Verified Buyer

Excelente

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central scrutinizer 17 years ago

Verified Buyer

Provides reassurance that things are Ok. And will warn if they are not.

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