Digital Aquarium Terrarium Thermometer ST-3 Black

I bought two of these, and they work well, but there is a 1 deg F difference between both of them, so I am not sure which is right but if one degree accuracy is good enough for you this is a perfect little product at a cheap price. BTW it seems to take at least one minute between samples so dont expect sudden changes if you put it in the palm of your hand or in ice water. Thats a good quality if your using it on Aquariums or anything involving live animals.

Item is calibrated to show the temperature to .1 degree. When tested against my thermocouple, however, temperatures varied in 20 tests everywhere from 8 degrees low to 2 degrees high.... Of course I didn't get the thermocouple til about a month after I got this item, but I got the thermocouple because of the erratic numbers this was displaying, thinking I had a serious thermostat malfunction. Thankfully it didn't cause any damage I couldn't repair (Fortunately I had been trying to calibrate a setup, so nothing was actually being effected by the temperature). I guess if you're using this as a backup or for one where +/5 degrees doesn't matter then it's great, but if you need at least semi-accurate readings, this thermometer is NOT for you.

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I bought 4 of these little units. One for use as a temperature sensor for my truck. As it gets colder I like to know what the temp is when I'm driving.

I should have started by saying that I ordered the 4 units at 6:51pm [pst] and received them just 2 days later. Great company, great deal, fast and attentive shipping department. I will now look to their company first when shopping.

I have 2 units checking the temp in 1 small space and they are only off by 00.2 or 2 tenths of a degree. Pretty darn good for a $5 item.

Thank you Meter Depot!!

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I've had this item for about almost a month and to me it's great. I turn it on in the morning to check the temperature and then also check it at night. So far the temperature it's telling me is pretty good. My temperature reads between 77.5 79.6 and everything in my tank seems to be fine. My fishes are active and my plants are doing well. So I would say that this thermometer is working the way I expected it to work.

I recommend this thermometer to anyone that is looking for an affordable digital thermometer. Definitely better than the floater thermometers.

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Well, its very accurate. I'm planning on using it for the leopard gecko I'm getting in a few days. (My first reptile ever!) I actually bought two for both sides of the terrarium. When I put them next to each other one said 75.4 and the other said 75.8 so...awesome. Plus its cheaper than the rest of the products like this and it works better than the rest (judging solely on the reviews of other products like this one) so I'd say its worth the money. My only complaint is that the suction cup is not the best. When I put it on it fell within 30 seconds so...not so awesome. I guess I'll tape it or something. Also, if its worth anything, the cord is pretty long I think. But keep in mind that this is the first time that I've used a thermometer like this. Hope this helps. :)