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 the body temperature, the thermometer probe distance from the part to be measured is usually in the 1cm ~ 3cm, or according to the distance required by the manual;
3, the use of the ambient temperature should be in the manual temperature range, if the ambient temperature does not meet the requirements, it is recommended that the following methods can be taken:
Outdoor measurements, it is recommended that the use of the tent - the spare infrared thermometer is stored in the warming box, rotate the use of the thermometer; in the case of non-measurement, put into the arms, for Keep warm;
Use baby warmers and other methods to keep the thermometer warm; it should be ensured that the person being measured is not in an environment with a large temperature difference before the temperature is measured.
If you are in an environment with a large temperature difference (e.g., suddenly moving from outdoor to indoor), or when using the thermometer at low temperatures outdoors, it is recommended that you measure the parts of the skin covered by your clothes or a scarf, such as your wrists and neck, to make the numbers you get more accurate.
Reference:
Guangzhou Beierkang Medical Equipment Co.