This infrared thermometer was purchased to replace an outdated and defective device. Upon arrival I used existing known accurate thermometers and a few items for comparison. This thermometer showed an average deviation of 8°F from the average of 4 known accurate units per 72°. The claimed accuracy of ±1.5% of reading + 2°C/3.5°F, whichever is more accurate than others, is clearly wrong, at least in this case, and this device is hardly ever used for anything other than a toy . I have returned the device and will look for an infrared thermometer that meets the specified accuracy.
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