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1.   When  the 

 appears on the upper right corner of the LCD, 

the battery is exhausted and needs replacement.

2.  Pull the battery cover off in the direction shown below.
3.  Pull out the battery with a  sharp objects such as pen. Keep 

exhausted battery from 
reaching by the children.

4.  

Place a new 1.5V D.C. 
button size battery type 
SR41 or LR41 or equiva-
lent in the chamber with 
positive side faced up and 
negative side faced down.

5.  

Install the battery cover 
back.

1.  To push the On/Off button by the display window. The display will 

read 

 for 2 seconds and beep sound will be heard. 

2.  

Releasing the on/off button, last measured temperature will be 
shown for about 2 seconds. Then shows the self-test temperature 
37.0°C(98.6°F) , and then Lo°C (Lo°F) displays.

3.  Wipe or dip the probe with alcohol for disinfection. Position the probe 

in oral, rectal or axillary site.

4.  Once the degree sign °C (°F) on the display has stopped flashing (usu-

ally within 10 to 40 seconds), a Beep signal will sound for approx. 10 
times, the measured temperature is shown on LCD window. The tem-
perature reading will not change after the unit is removed from testing 
position. If the temperature <37.8°C(100.0°F ). the buzzer will alarm 
“Bi---Bi---Bi---Bi---”. If the temperature ≥ 37.8°C (100.0°F). the buzzer 
whose frequency is higher will alarm “Bi-Bi-Bi----Bi-Bi-Bi--” about 10 
times rather than”Bi---Bi---Bi---Bi---”

5.  The unit will automatically turn off in 10 minutes for energy-saving. 

However, to prolong the life of the battery, it is suggested to press the 
On/Off button to turn the unit off once the measurement is done.

6.  Please dispose of any used battery and the thermometer according 

to the local regulations.

Note: After step 2, if the room temperature is greater than 32.0°C 
(89.6°F ), it will be displayed the room temperature.
Note: Usage of the probe cover may result in a 0.1°C(0.2°F) differ-
ence from actual temperature.
Note: To clean the probe before and after using the thermometer 
to ensure an accurate reading and avoid cross contamination ap-
proximately.

Introduction

How to Use

Caution

Temperature readings are available in the Fahrenheit or Celsius scale 
(°C / °F; located in the right of LCD.) With the unit off, press and 
hold the On/Off Button for approximately 4 seconds to change the 
current setting.

ºC /ºF Switchable

Battery Replacement

•  Avoid strong electromagnetic interference such as microwave ovens 

and cell phones.

•  Please  be  noticed  to  keep  the  probe  dry  before  putting  the  ther-

mometer into the carry case.

•  The  thermometer  contains  small  parts  (battery,  etc.)  that  can  be 

swallowed by children. Therefore never leave the thermometer un-

attended to children.

•  The thermometer should be cleaned after measurement no matter 

the probe cover has been installed or not.

•  Keep battery away from children. Harmful is swallowed.

•  Battery  should  not  be  charged  or  placed  into  extreme  heat  as  it 

may explode.

•  Do not use the thermometer in ear. Intended use is for oral, axillary 

and rectal measurement.

•  Use of the probe cover may result in a 0.1ºC(0.2ºF) discrepancy from 

actual temperature.

•  Remove battery from the thermometer when not in operation for 

a long time.

•  If the unit is stored in an extreme environment before measurement, 

please make sure it has been firstly adapted in the room tempera-

ture, so that the unit can be measured normally.

•  Please note that this is a home healthcare product only, and it is not 

intended to serve as a substitute for the advice of a physician or 

medical professional.

•  Do not use this device for diagnosis or treatment of any health prob-

lem on disease. Measurement results are for reference only. Contact 

your physician if you have or suspect any medical problems. Do not 

change your medications without the advice of your physician or 

healthcare professional.

•  This device may not meet its performance specification if stored or 

used  outside  temperature  and  humidity  ranges  specified  in  speci-

fications.

•  If this device is used according to the operations instruction, periodic 

re-calibration is not required. If you still have questions, please send 

the device to dealers.

•  Please do not dispose of the product in the household waste at the 

end of its useful life. Disposal can take place at your local retailer or 

at appropriate collection points provided in your country.

•  This device is for oral, axillary and rectal use only. 

•  High,  prolonged  fever  requires  medical  attention  especially  for 

young children. Please contact your physician.

•  For  save  reason,  during  children’s  temperature  measurement, 

please keep them from crying, walking, talking and any related 

dangerous activities. 

•  Do not bend, drop or twist the thermometer. It is not shock-

proof.

•  Do not boil probe for disinfect.

•  Do not store the unit under direct sunlight, at a high tempera-

ture, in high humidity or dust. Neither store the unit under the 

sunlight, nor at the high temperature or humidity.

•  Do not disassemble. See BATTERY REPLACEMENT to replace 

battery.

Instruction 

Manual

Model: 

TG380

EN

Tightly place probe in the patient’s armpit for about 30 seconds.
*  Please ensure the close contact between the probe and the armpit 

of the baby or children. 

Axillary Use

Troubleshooting

Cleaning and Disinfection

1.  Clean the unit by wiping it with a dry cloth and sterilize the probe 

with ethyl alcohol.

2. Don’t let the unit contact any chemical thinner.

3.  Do not soak the display in water. 

Error message Problem

Solution

The system is 
not functioning 
properly

Unload the battery, wait for 1 
mins and repower it.
If the message reappears, con-
tact the retailer for service.

(bi-bi...bi)x10

Temperature 
taken is higher 
than 42.9°C 
(109.2°F) 

Take a new temperature 
measurement after 6 sec. 

Temperature tak-
en is lower than 
32°C (89.6°F)  

Take a new temperature 
measurement after 6 sec. 

Dead battery: 
Battery icon is 
flashing, can’t be 
measurable.

Suggest to replace the battery.

Display on the LCD

Place the probe well under the patient’s tongue. Confirm the patient to 
keep his mouth closing for about 20 seconds.
            Do  not  drink  hot  or  cold  fluids,  exercise,  and  smoke  or  per-

form other activities prior to a reading. These activities will raise 
or lower temperature readings when compared to your normal, 
average temperature.

Oral Use

Probe

Battery 
Cover

ON/OFF Button

Display

The Digital Medical Thermometer provides quick, highly accurate 
reading over the human body temperature range. Please read the 
instructions completely first.
 The  quality  of  the  thermometer  has  been  verified  and  conforms 
to  the  provisions  of  the  EC  council  directive  93/42/EEC  (Medi-
cal Device Directive) Annex I essential requirements and applied 
harmonized  standards.  EN  12470-3:  2000  /A1:  2009  Clinical 
thermometers-Part 3: Performance of compact electrical ther-
mometers (non-predictive and predictive) with maximum device.

Attention:

  Consult the accompanying documents. Please 

read this manual carefully before use. Please be 
sure to keep this manual.

Always uses probe cover when taking rectal measurements.
1.  Commonly used for young children when it is difficult to take an 

oral or axillary temperature.

2. Lubricate with a water-soluble gel. Do not use petroleum jelly.
3.  Gently insert the probe tip no more than 1.5-2 cm into the rec-

tum for about 10 seconds. Do not force the tip into the rectum if 
resistance is encountered.

4.  Disinfect the thermometer after use. Refer to “cleaning and 

disinfection“section.

Rectal Use

M

: Last measured temperature.

 :  When  the 

 appears on the upper 

right corner of the LCD, the battery is ex-
hausted and needs replacement. 

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