Comments about Deluxe SM-110 Two Way Display Finger Pulse Oximeter with Carry Case and Neck/Wrist Cord

Deluxe SM-110 Two Way Display Finger Pulse Oximeter with Carry Case and Neck/Wrist Cord

TheNewly upgradedSantamedical Generation 3 Deluxe Pulse oximeter has 2 way display now. Be default, display faces the user. At the touch of button, display faces away from user. FDA Approved Santamedical SM-110 oximeter provides reliable oxygen saturation and heart rate values without compromising accuracy. The SM-110 is for anyone who is interested in knowing their oxygen saturation and heart rate. It can be used by a variety of sports enthusiasts, including mountain climbers, hikers, skiers, bikers, and others interested in measuring oxygen saturation and pulse rate. This device is for Sports & Aviation use only and not intended for medical use.


Type : LED
Parameters : SpO2, PR, Pleth bar.
Information : low power
SPO2 Measure Range : 35-99%
Resolution : В±1%
Accuracy : 75%-99%:В±2, 50%-75%:В±3, 0%-50%:unspecified

Pulse Rate
Range : 30-254 BPM
Resolution : В±1bpm
Accuracy : В±2bpm

Type : 2 AAA Alkaline batteries or rechargeable
batteries Power Consumption : less than 30Ma
Voltage : 2.6-3.6V

Operating Temperature : 0'C-50'C
Storage Temperature : -10'C - 60'C
Operating Humidity : 15%RH - 95%RH
Storage Humidity : 10%RH - 95%RH

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I'm an acute care nurse in a 500+ bed hospital. Finding a pulse oximeter that works is sometimes a nightmare, they seem to disappear off the machines or just in general do not work. I got this for a backup, and it works wonderfully.

1. It is comfortable on the finger
2. It has a neck strap and is relatively light enough to wear, however it is small enough for a scrub pocket
3. It came with the batteries needed :)
4. It is accurate
5. It has a self shutoff so as not to waste batteries

Overall I am really happy with this product

UPDATE: 1 year later, still love this product and it's still working with no problems.
UPDATE 2: It's been 6 years since I purchased this, and I still use it regularly with no problems.

I'm not absolutely certain, but I think this little device may have saved my life. Here's what happened:

I woke up one night about 2:30AM, and felt like I was suffocating. I took several deep breaths, and began to feel better. I resumed normal breathing, and after a moment or so, I began to feel like I wasn't getting enough air.

There was no obstruction to breathing: it simply felt like I wasn't getting any good from it. I started taking deep breaths again, and the feeling went away. I had received my oximeter from Amazon a few days earlier, so I decided to see if it could show me anything. I got it out, turned it on, and slipped it onto my right index finger.

Initially, the blood oxygen showed 92%. (Normal blood oxygen levels are considered to be around 95%-100%. If the level is below 90%, it is considered low, and should be promptly addressed.) However, as I began breathing normally again, I watched as the number dropped, first below 90%, then on down to 87%, then to 85%! I began breathing deeply again, and the number once again climbed to above 90%.

That was enough. I had my wife dial 9-1-1. When the EMTs arrived they put me on oxygen, and I quickly felt better. A reading with the oximeter confirmed that my blood oxygen was maintaining 97% with normal breathing while on oxygen.

The EMTs took me to the emergency room of a nearby hospital, where they found I had a pulmonary embolism, apparently brought on by a perforated colon. If I had simply rolled over and gone back to sleep, there is a good chance I would have died. So, I think having this oximeter quite possibly saved my life.

It seems to be very accurate and works well - the pulse matches exactly to the "heart rate" app on my smartwatch. Also, it was nice that they include the AAA batteries.

I would have given it 5 stars, but for a few oddities that don't affect the performance at all.
1) The printed text on the face of the unit is upside down to the digital display numbers.
2) In the battery compartment the springs are at the same end, but the positive and negative indicators are opposite ends, as they should be. That being said, make sure you put the batteries in as the positive/negative symbols indicate.

My 81-year-old mother-in-law has several medical conditions, including COPD. When she has a problem breathing, it's helpful for her to know her oxygen saturation, so she knows if it's "merely" the COPD or she is having some other decline in lung function. Unfortunately she also has arthritic and perpetually cold hands, and has found that many pulse oximeters have LOTS of trouble getting a good reading on her fingers.

I read through LOTS of the Amazon reviews for pulse oximeters, and any time someone said they were an EMT or a nurse AND they found that a particular unit was more likely to work in difficult situations, those items would go onto my wishlist. After awhile, this and one other moved to the top of the list to try. (I wasn't eager to have to order several before we found one that worked.) In the end I chose between two -- this one, the Santamedical SM-110, which I think must be an older model, and a seemingly newer model of the same brand Santamedical SM-240 OLED Finger Pulse Oximeter. (We have NOT ordered the SM-240.)

My mother-in-law and I discussed the merits of the two and we decided to try this older, less expensive one. It arrived VERY quickly, came with a nylon case, two lanyards and AAA batteries so it was immediately usable. The box and instructions contain some amusingly strange translated English (from Chinese, maybe?) but there wasn't any huge problem understanding how to use it. My mother-in-law seems happy with it; she hasn't had any trouble getting it to read, though she does have to warm her hand and switch among different fingers, just like with the ones at her physical therapists' and doctors' offices.

This SM-110 has an "old fashioned" red LED display, which I imagine might be hard to read in bright sunlight. The Sp02 reading is near one end, and the pulse is near the other end, and all the digits are quite read-ably large. When you are getting a successful measurement, the reading comes up really quickly (just a few seconds), though when it's NOT being successful, the "bar graph" next to the digits doesn't move much. I presume as my mother-in-law gains experience using it, the pulsations of the bar graph will help her position the unit for the steadiest readings.

One annoyance of the design is that if her hand is flat in front of her the numbers are "upside down" to her when she is wearing it. Obviously whoever designed it imagined a caregiver using it on other people, not using it on themselves. (I believe the SM-240 addresses that issue by having the display rotated 90 degrees, so you can more easily read it merely by rotating your hand toward yourself.)

While she has only had it for a week, my mother-in-law seems satisfied, so we're not going to bother ordering the SM-240. I presume if the newer model works similarly to this one it should be a good risk, too, but this SM-110 was certainly a bargain and works well. There ARE a few even less expensive pulse oximeters on Amazon and other sites, but none of the others has as consistently a high rating here as the Santamedical SM-110 and SM-240 do.

I am a RN and a mom. I initially purchased for use at work (could never find the unit pulse odometer) and it's been great for work and home use. Late August my youngest child was coughing up a storm and I was worried. I placed the finger monitor on him and my gut was correct. He was in the low 80's. Long story short, kiddo was in hospital with pneumonia for 3 days. Glad I bought this not only as a nurse but as a mother. Pros in hospitals may say (as the ER doc did to me) that "those home units aren't accurate." However this was pretty close. I randomly checked him against the probe that monitored him continuously and found it was at most 1% off. Also I should note that it only goes up to 99%.

Works well. Displays readings clearly, lighted, highlighted, easy to read. Simple to use. Literally a two year old could operate. Automatically shuts off to conserve battery. Inexpensive but accurate as I've tested against several commercial units. Comes in a handy carry case. Case has lanyard and device has lanyard. Also has instructions if you need help pressing the one button on the unit and sticking on your finger. Like all purchases on Amazon the order process was easy. Received automated communications for order and delivery tracking. Item arrived ahead of schedule. Item is as advertised. I researched these items and found this model ranked in the top 10 of every rating. Only difference is they listed the price about a $100 more than what I actually paid for this item. Win win for me. I use it to spot check my stats. It works great for my purpose. I would buy this model again and I would buy from this merchant again.

I got this for nursing school (LVN edition) and it was perfect. Sometimes its just hard to get the pulse on someone if its thready, and with your teacher standing right behind you waiting for you to give that magic number, its kinda hard to get it. It's nice and comfy, but it wont get good results if your pt has long nails.

This is actually a good price for something like this, and its well worth it. After a bit, it started turning off after a few seconds (like 10 or so seconds) but if its on a finger, then it'll stay on longer. I don't know if that's a battery saving mech or not since it didn't do that when I first got it.

I highly recommend this for any nursing student of any level. I really like this little gadget, and I'll definitely be using it throughout my career!

Arrived early, item same as pictured, a lot sturdier than the ones at the doctors/hospitals, had no issues putting in the 2 AAA batteries that were included, came with 2 optional straps one for the device and one for the case, case is made from the same material as a mini-mag flashlight with a Velcro flap to keep it closed, device turns off automatically after not detecting a reading or you can press and hold the power button, easy to use read and operate, in fact I didn't have to read the instructions that came with it, I believe anyone that has seen one used will have no issues figuring it out, if you do maybe self care isn't something you should be practicing and you should think about hiring a home health care assistant (PCA). I would recommend this product to anyone that needs to or would like to monitor their health, and I would replace this device with the same should this one fail (given that it lasts a reasonable amount of time, only time will answer that question for me though).

I am an EMT in 911 and private transport. I have not compared this to the oximeter we use at either of those jobs, but in my personal use it has proven to be very quick and seemingly accurate. It is very easy to use, the power button can be pressed either before or after you put it on the finger, and it will automatically shut off when not trying to get a reading. I will update this review when I get the chance to compare its accuracy against another unit.

The carrying case is great for keeping it safe in my pocket, and the two lanyards that it comes with are nice if you want to tie it to a bag or a belt loop. Wearing it around your neck is a little awkward in my opinion. I have actually bought two of these. I gave the first one to my mom after I was sure it worked, and bought another one for myself.

This item arrived just as it was described. I purchased this to keep at my 93 year old grandmothers house. She doesn't speak english much and can't read but she learned how to use this. It is very easy to use and read. It comes with a nice carrying case and two lanyards. There is one button, the power button. You press it to turn it on and you can press it again to flip the numbers so whichever way it is facing, the numbers can be read. It also powers off on its own, pretty quickly so not to drain the batteries. It takes 2 AAA batteries. It actually came with them. I am new nurse and I've been wanting one of these to keep in the house, especially during flu season. I think this is a great product to have to monitor a loved ones status.

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