Belkom thermometers display err1 because the environment in which the measurement is taken is lower than 16℃ or higher than 35℃, and when the product is turned on and the "Measurement" button is pressed, "Err1/Er1" will be displayed.
The infrared thermometer has environmental requirements, take Beercon thermometer JXB-178 as an example:
The instruction manual has a specific use of the environment: 10 ° C ~ 40 ° C, when the temperature range beyond the measurement of the body temperature, the forehead thermometer may be displayed on the screen "Err1".
Expanded Information:
Infrared thermometer use recommendations:
1, the temperature probe should be kept clean, the device battery power should be sufficient;
2, the measurement of body temperature, the thermometer probe distance from the measured part of the general 1cm ~ 3cm, or according to the instructions of the required distance;
3, the use of environmental temperature Should be in the instructions for the use of temperature range, if the ambient temperature does not meet the requirements, it is recommended to take the following methods:
Outdoor measurement, it is recommended that the use of the tent - the spare infrared thermometer is stored in a warming box, rotate the use of the thermometer; in the case of non-measurement, put into the arms of the heat preservation;
The use of baby warmers, and other methods of thermal insulation of thermometers; should be ensured that the person to be measured There is no large temperature difference in the ambient temperature before the temperature measurement.
If you are in an environment with a large temperature difference (e.g., suddenly moving from outdoor to indoor) or using the thermometer at low temperatures outdoors, it is recommended that you measure the parts of the skin covered by clothing or scarves, such as wrists and necks, to make the numbers you get more accurate.
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