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●  Please keep the inner cavity of the sensor and probe clean, 

otherwise it will affect the measurement accuracy.

Cleaning methods:

1.Surface cleaning: Wipe the dirt with a clean soft cloth or cotton 

swab with a little medical alcohol or water.

2.Sensor and probe cavity cleaning: Use a clean soft cloth or 

cotton swab with a little medical alcohol to gently wipe the probe 

cavity or the top of the sensor. Do not use until the alcohol has 

completely evaporated.

●  Before using, please read this instruction manual carefully and 

make sure the battery is installed well.

●  It is forbidden to immerse the thermometer in any liquid or be 

placed in an excessively high or low temperature environment for 

a long time.

●  It is forbidden to collide, drop and mix with sharp objects or 

disassemble by yourself.

●  The thermometer should not be used under the sun or water.

●  Do not use it in a strong electromagnetic interference 

environment.

●  Keep the thermometer out of the reach of children.

●  It is recommended to practice several times to become familiar 

with the measurement method, and try not to change the product 

factory settings.

●  Measurement results are not a substitute for physician 

diagnosis.

●  No special maintenance is required during use, please contact 

the seller or manufacturer if any trouble occurs.

●  Dispose the waste and residues of the product according to 

your local laws and regulations.

1.Please do not install the batteries in wrong positive and negative anodes.
2.Use the specified batteries. Non-rechargeable batteries cannot be charged.
3.Remove the dry battery when not in use for a long time (more than 1 
month).
4.Do not mix new and old batteries and batteries of different types.
5.Please replace the old batteries according to your local regulations.

When LCD displays             , it means the battery is run 
out of the power.

9.Battery replace

10. Maintenance and precautions

11

12

Open the battery cover, remove the batteries, insert two 

new AAA batteries, then close the battery cover.

Notice:

*Please note the positive 
 and negative anodes

Summary of Contents for TG8818H

Page 1: ...Please read this instruction carefully before use Please keep the instructions for future reference Infrared Thermometer User instructions...

Page 2: ...diation from the forehead temperature The operation is simple and hygienic and the measurement is accurate The user only needs to align the probe then temperature can be measured by pressing the measu...

Page 3: ...7 6 5 4 8 6 7 2 3 4 5 1 2 3 4 LCD Infrared detectors Battery cover Button Button Measurement button 5 6 7 Setting key 1 2 3 4 Surface temperature mode Body temperature mode Sound on o Temperature val...

Page 4: ...ture unit F Temperature alarm point Reduce 0 1 Down 0 1 Up 0 1 0 8 Increase 0 1 Range 37 42 Range 0 3 38 Temperature offset Sound On Off Off On On Initial value Remark 05 06 Measuring way Temperature...

Page 5: ...unit setting F1 Temperature alarm point setting F2 Press the Setting button for 2 seconds when display F1 on the screen press the Setting button twice in a row to enter the F3 then press to increase...

Page 6: ...layed in about 1 seconds Notice 1 Please keep the sensor and probe cavity clean before and after use 2 Please use the thermometer in a stable temperature environment When the ambient temperature uctua...

Page 7: ...onment Keep the thermometer out of the reach of children It is recommended to practice several times to become familiar with the measurement method and try not to change the product factory settings M...

Page 8: ...ress Issues After sales Service Notice Resolutions 1 Please check the measurement object In the case of forehead blowing dripping water sweating and applying cosmetics the measurement cannot be guaran...

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