5
If the instrument uses 3V manganese or alkaline dry cell (2 AAA batteries), when LCD displays
“ ”, it indicates that the battery has been in a low power state. The battery must be replaced as
soon as possible to ensure the accuracy of the measurement. Meanwhile, after the replacement of
components (such as batteries) and the thermometer reaches the end of its equipment life, please
handle it according to local laws and regulations.
Precautions for Installing or Replacing Battery
Attentions
1. When opening the battery cover to replace the battery, pay attention to
the correct position of the positive and negative poles. Please take out the
battery immediately after use. Misplacement may cause product damage.
2. When it is not to be used for a long time, please take out the battery to
prevent the thermometer from being damaged due to battery leakage.
3. Do not use the infrared thermometer when the battery leaks or gets
moldy.
4. Do not put the battery close to the fire source or into the fire in case of
battery explosion.
5. Do not store the battery in high temperature or high humidity.
6. To avoid short circuit, do not put the battery in the same pocket or other
containers with metal objects such as coins or keys, or in the containers that
may cause short circuit.
7. In case the electrolyte in the battery accidentally enters the eyes, please
wash the eyes with plenty of water immediately. If there is a risk of
blindness and other injuries, immediately go to the nearest hospital for
treatment.
8. In case the electrolyte in the battery is accidentally on the skin or clothes,
please wash it with plenty of water immediately, otherwise it may damage
the skin.
Notes 1. The emissivity of different materials may be different, so please refer to the emissivity of
materials. The default emissivity of this product is 1.0. With different emissivity, the measured
temperature will different from the actual temperature.
4. Operation steps
4.1 measurement operation
(1) When the thermometer is in the temperature measurement mode, hold and press the measuring
button to start up, the instrument will self-check. After one second, the buzzer will send out the
corresponding prompt sound, and the measurement results will be displayed on the display screen.
When the corresponding backlight is turned on, and the temperature can be measured again by
pressing the measuring button.
(2) Make sure that the thermometer is 5cm ~ 10cm vertical to the forehead (Figure 1). Then press
the measuring button by finger. When the measurement is completed, the temperature result will be
displayed (Figure 2).
