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Reviews (1)
Portable Digital Infrared Thermometer Temperature Laser Gun Meter-20~320 Celsius
30 October 2017
Good quality, poor accuracy
5 of 5 found this helpful The unit has a surprisingly good build quality, including the back-lit display.
It also includes a laser pointer to assist with aiming which is a nice plus.
However, the stated accuracy (+-2C) is wrong. Mine consistently reads 2-5C (usually 3-4C) higher than actual at room temps (compared to 4 quality digital thermometers which all read to within 0.5C of each other). A before and after reading of the surface that one of the digital thermometer is sitting on is necessary to correct for this unit reading high. Also it seems to suffer a little from heat/cold soaking: if you take a reading of your freezer (with the unit itself 50cm back from the opening to avoid the cool air) and then do another "calibration" check it will read very low, but progressively drift back up towards its norm. The same happens after taking a reading of the engine bay (1m back and to the side to avoid the rising hot air): the sensor will take a while to "cool" down.
In summary this unit is far from accurate, but this can be accounted for by taking background readings of known temps. Meanwhile the build quality is great. For the price its worth the purchase.