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iHealth No-Touch Digital Forehead Thermometer $42.49 shipped Amazon

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Joined Nov 2005
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IR thermometers for body core temperature are garbage.

IR measures surface temperatures, and the correct temperature reading is dependent on the emissivity of the surface. Further, what's important when diagnosing fever is the core body temp. I've had plenty of situations where one of our kids felt fine (skin surface) but still registered a fever when taken correctly (e.g. rectal or oral). IR probes intended for human use generally fake a body core temp by adding an offset to the actual temperature reading or as some state they use an "algorithm []" (calculation). That's right, they are making assumptions about how much different a forehead surface temp will be vs. the correct reading (even the various methods to take a temperature vary [] - oral is generally cooler than rectal (ha ha), etc.).

What does this mean? These probes are really designed as a screening tool [] - meaning you want to rule out the people that REALLY have a raging fever, and you need to go through a ton of people quickly. That is, the loss of accuracy is apparently worth the reduction in time it takes to get a measurement (and non-contact is a bonus). You realize that you're not going to catch most fevers.

I would not use this (or any type of IR) for absolute measurement.

Lastly, I'll also mention that guidance for screening kids for covid (that's why this is a deal I guess) has been changed such that screening for fever is no longer advised, at least by the state of CT for things like camps and daycares and such, due to its lack of prediction. That is, kids don't typically present with fever, and coupled with how onerous it is to screen hundreds of kids every day, they removed that recommendation about a week ago.
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Do you have Any other recommendations
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