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Warnings:
1.The  measurement  result  is  only  for  reference, 
which is not a substitute for a physician's diagnosis. It 
is very dangerous to self-judge and treat only based 
on  the  measurement  result.  Please  follow  the 
doctor's instructions.   
2.Please put the battery out of the reach of children, 
otherwise it is dangerous.
3.When the product is not used for a long time (more 
than  3  months),  remove  the  battery  from  device  to 
prevent the battery leakage.
4.If  there  is  temperature  difference  compared 
environment  of  the  device  storage  with  that  of  the 
measuring  environment,  place  the  device  in  the 
measuring  environment  for  more  than  30  minutes, 
otherwise  there  may  be  error  for  the  measurement 
result.
5.It is forbidden to immerse the infrared thermometer 
in any liquid, and It is forbidden to use it for a long time 
under  too  high  or  low  temperature  condition.  No 
collisions, drops and mixing with sharp objects.
6.Do not put the battery close to the fire or into the fire 
to avoid the battery explosion. Do not use the battery 
when it leaks or molds; when discarding batteries or 
this product, it should be following local regulations to 
avoid contamination.
7.This  product  contains  sensitive  electronic 
components,should  avoid  strong  electromagnetic 
interference.
8.Do  not  modify  this  equipment  without  the 
authorization of the manufacturer, which may lead to 
measurement error or machine malfunction.
9.If  the  situations  cannot  be  solved  or  unexpected 
problem happens, pleaseconsult the local distributor.
Caution:
10.Do  not  try  to  measure  when  the  device  is  wet, 
which may cause measurement results inaccurate.
11.Before  measurement,  please  make  sure  that 
there  is  no  sweat,  cosmetics  or  oil  stains  on  the 
forehead  of  subject.please  make  sure  that  the 
subject does not take a bath, exercise or have a meal 
within  30  minutes,  and  the  body  is  measured  at  a 
steady state.
12.During  measurement,  do  not  let  the  subject 
directly face the air outlet of the sun, air conditioner or 
heater,  which  will  change  the  temperature  of  the 

forehead. Please conduct measurement in a stable 
environment as far as possible.

●Installing the battery
The  device  is  supplied  with  2 
Section 7 alkaline batteries. Push 
the  battery  cover  downward  and 
load  the  battery  into  the  battery 
compartment.  At  this  time,  the 
device  will  start  self-inspection. 
Pay  attention  to  the  positive  and 
negative poles instruction in the 

5. Installation and usage

●Intended use and application scope: This device 
is  used  to  measure  the  forehead  temperature  of 
the human body, It is intended for use on people of 
all  ages  except  pre-term  babies  or  very 
small(small for gestational age) babies.

●Contraindication: None.

2. Device structure and composition

1. Device use and applicant scope

●Appendix:
Instructions,  2 AAA Alkaline Batteries.

6. Product maintance and upkeep method

As  the  product  is  reusable  device,  please  pay 
attention to cleaning and disinfection after use. 
If  the  product  is  dirty,  please  keep  the  sensor  and 
probe  cavity  clean,  otherwise  the  measurement 
accuracy will be affected.
How to clean sensor and probe cavity:gently wipe the 
inner cavity or sensor mirror with a clean soft cloth or
cotton swab,Do not wipe it with other material, 

Phenomenon 
of breakdown

The measurement 
temperature is lower 
than 32℃(89.6℉), 
which is beyond the 
measurement range

Please re-measure 
following the 
product instruction

The measurement 
temperature is higher 
than 43℃(109.4℉), 
which is beyond the 
measurement range

Change the cell

No 
display or 
abnormal 
display

The positive and 
negative poles of the 
cell are reversed or the 
device is abnormal

7. Common failures and troubleshooting 
methods

Please measure 
under the  10℃ (50
℉)to 40℃(104
℉)environment 
temperature

The 
screen 
display 
"       "

The 
screen 
display 
"       "

The screen 
display 
"       "

The power of cell is 
shortage

Re-install the cell, or 
contact the dealer

The environment 
temperature is too 
high or too low

Please 
re-measure 
following the 
product instruction

05

06

07

The 
screen 
display 
"         "

●Device main structure and composition
The thermometer consists of a housing, a sensor, a 
display, and a circuit board.

3.

Matters need attention

●Measure temperature of human body
1.Point the infrared thermometer probe at the center 
of eyebrow, within 0-5cm of the forehead.
2.Press  the  Start  measuring  button  “          ”.  After 
about 1 second, the infrared thermometer will have 
vibration  and  sound  prompts  to  display  the 
measurement results.
Notes: 
①When the measurement 
distance  is  more  than 
about 5 cm, the word "0-5" 
will  be  displayed  on  the 
screen, please close to the 
subject,  as  the  picture 
shown at right;

②When  the  measurement  distance  is  less  than 
about  5  cm,  the  device  will  automatically  measure, 
after  the  measurement,  it  will  vibrate  and  have  "di" 
sound, and measurement result will be displayed.
③When temperature is 37.6 ℃(99.7

℉) or higher, the 

device  will  make  quick  continuous  three-time 
"di-di-di"alarm sound.
④when  the  measured  result  is  beyond  device 
measurement  range  32  ℃~43  ℃(89.6℉~109.4℉), 
thermometer will make quick continuous three-time 
"di-di-di"  alarm  sound,  please  make  sure  the 
measurement method and the external environment 
is normal at this time.

[close to the 

measurement indication]

●.  Memory  function  :  press“                            ”button, 
memory  value  inquiry  can  be  carried  out.  Ear 
thermometer can store 10 groups of memory values. 
When  the  number  of  groups  exceeds  the  specified 
number,  the  latest  memory  value  will  cover  the 
earliest memory value.
●. In memory mode, press and hold“                ”the 
button  for  about  5s,  when  CLr  is  displayed  on  the 
screen, the memory value is cleared.
●Power off
① Long press Starting measurement button" 

  " for 

3~5 seconds to turn off the device;
②In  the  absence  of  any  operation,  the  device  will 
automatically shut down after about 30 seconds.

Possible cause

Troubleshooting

methods

13.When  the  product  gets  wet  due  to  contact  with 
steam, use after it become dry or gently wipe with a 
soft  dry  cloth  or  cotton  ball,  otherwise  it  will  cause 
measurement errors.
14.For patients measuring their own temperature,it is 
recommended to measure close to the forehead.
15.Please read this instruction carefully before use to 
confirm that the battery is installed.

      This  product  contains  batteries  and  recyclable 
electronic  waste.To  protect  the  environment,do  not 
dispose  of  it  in  the  household  waste,but  take  it  to 
appropriate local collection points.

●Setting measure unit
In  the  shutdown  state,  long  press  the  staring 
measuring button “         ”for 8~12 seconds to enter 
the temperature unit conversion state, and then short 
press the staring measuring button“  

  ” to select 

“        ”and“  

 ”temperature unit,then long 

press  the  staring  measuring  button“ 

”final 

confirmation.

battery  compartment  and  cover  the  battery  cover. 
Refer to the picuture at right:

otherwise  it  may  cause  lens  surface  of  senor 
abrasion or machine malfunction.
Disinfection of the product and its head: Gently wipe 
the  surface  of  the  product  and  the  head  used  for 
measurement  with  a  cotton  swab  dipped  in  a  little 
medical alcohol (70%), it can be used until the alcohol 
has completely evaporated.
●Precaution for storage
This  product  should  be  stored  in  a  dust-free,  dry 
place,  please  avoid  direct  sunlight;  do  not  store  in 
places  with  high  temperature,  humidity,  dust  and 
corrosive gas.
This product is a high-precision device, please do not 
drop the device! Avoid drastic collisionsand jolts and 
other adverse possibilities for transport.
If the probe or the product itself has been damaged, 
do  not  continue  to  use  it.  Please  do  not  use  this 
product for any purposes other than its intended use. 
When  it  is  used  for  children,  please  observe  the 
general safety precautions.
We suggest to calibrate the monitor (at least once a 
year) according to local laws and regulations.

8. The symbols related to safety requirements 
in this device and their meanings:

Symbols                                     Implication

Equipment with type BF applied parts

Safety and environmental protection use 
period for 10 years

Warnings and precautions

poly propylene recycling

Manufacture

EC-Representative

Follow instructions for use

Symbol for the marking of electrical 
and electronics devices according to 
Directive 2002/96/EC

IP22

EC

REP

Temperature range

Humidity range

Atmospheric pressure range

This side up

Fragile

Non-rainproof

Prevent the invasion of solid objects 
larger than 12mm. When the lamp is 
tilted 15 degrees, it can still prevent the 
invasion of dripping water. When the 
lamp is tilted to 15 degrees from the 
vertical Angle, the dripping water will not 
cause harmful effects.

●Power  source:  DC  3V(  2  Section  7  alkaline 
batteries)
●Measurement  range:  32.0℃~43.0℃(89.6

℉~

109.4

℉)

●Display resolution: 0.1℃(0.1

℉)

●Measurement  accuracy:  ±0.2℃(±0.4

℉)  in  the 

range of      35.0℃~42.0℃(95.0

℉~107.6℉)

±0.3℃(±0.5

℉)in the range of 32.0℃~34.9℃(89.6

℉~94.8℉) and 42.1℃~43.0℃(107.8℉~109.4℉)
●Electric  shock  protection:  the  device  is  supplied 
by internal power
●Applied  part:  Type    BF    applied    parts    is    the 
probe
●Running mode: continuous running
●Temperature units: ℃/℉
●Measuring site: forehead
●Time interval of each measurement ≤1s.
●measurement time: ≤1s.
●Degrees of protection against ingress liquid: IP22 
●Safety  classification:  the  device  that  cannot  be 
used  in  the  presence  of  flammable  anesthetic 
gases mixed with air or oxygen or nitrous oxide
●Product size: 143×41×42(mm)
●Product weight:about 69g (not including cell)
●Number of memory groups: 10 groups 
●service life:5years
●The clinical thermometer is a direct mode
●Battery  replacement  cycle:  use  the  new  battery 
for no less than 3000 measurements

9. Product technical parameters

11. Replacing the batteries

4. Measurement and transport storage 
environment

●measurement environment:

Environment  temperature:  10℃  (50℉)to  40℃(104

℉)

Relative humidity: 15% to 90%RH (non-condensing)
Atmospheric pressure: 70kPa to 106kPa

●Transportation and storage environment:

Environment 

temperature: 

-20℃(-4℉)to+55

℃(131℉)

Relative 

humidity: 

15% 

to 

90%RH 

(non-condensing)

Atmospheric pressure: 70kPa to 106kPa

This device fulfils the provisions of EC 
directive 93/42/EEC(Medical Device 
Directive).

See instruction for use

Date of manufacture

The normal body temperature of people is a range, 
different people's normal body temperature varies, 
and individual body temperature will change at 
different times. 

The normal body temperature of most people is 
provided as follows, just for reference
(The measurement of yuwell thermometer
refers to axillary)

Axillary temperature:
36.0℃~37.4℃/96.8℉~99.32℉
Oral temperature:     
36.3℃~37.2℃/97.34℉~98.96℉
Rectal temperature:  
36.9℃~37.9℃/98.42℉~100.22℉

10. Temperature sense

●LCD area

temperature
probe

ranging 
probe

power on
measurement
button

battery 
cover

LCD display 

area 

battery 
reminder

distance unit

temperature unit

distance prompt

result display

Memory 

button

voice prompt

Class II

1434

16.Do not move while using.

17.Under the combined effects of the environment 

and  the  frequency  of  use,  the  product's  shell 

temperature  may  exceed  41℃.  Please  use  it  

carefully.

Summary of Contents for YT-2

Page 1: ...YT 2 Infrared Thermometer User Manual And Technical Instruction Please read the user manual carefully and follow the instructions before use For date of manufacture please refer to the packing ...

Page 2: ...on None 2 Device structure and composition 1 Device use and applicant scope Appendix Instructions 2 AAA Alkaline Batteries Device main structure and composition The thermometer consists of a housing a sensor a display and a circuit board LCD area temperature probe ranging probe power on measurement button battery cover LCD display area battery reminder distance unit temperature unit distance promp...

Page 3: ... the fire to avoid the battery explosion Do not use the battery when it leaks or molds when discarding batteries or this product it should be following local regulations to avoid contamination 7 This product contains sensitive electronic components should avoid strong electromagnetic interference 8 Do not modify this equipment without the authorization of the manufacturer which may lead to measure...

Page 4: ...pose of it in the household waste but take it to appropriate local collection points Setting measure unit In the shutdown state long press the staring measuring button for 8 12 seconds to enter the temperature unit conversion state and then short press the staring measuring button to select and temperature unit then long press the staring measuring button final confirmation battery compartment and...

Page 5: ...ce is less than about 5 cm the device will automatically measure after the measurement it will vibrate and have di sound and measurement result will be displayed When temperature is 37 6 99 7 or higher the device will make quick continuous three time di di di alarm sound when the measured result is beyond device measurement range 32 43 89 6 109 4 thermometer will make quick continuous three time d...

Page 6: ...ing methods otherwise it may cause lens surface of senor abrasion or machine malfunction Disinfection of the product and its head Gently wipe the surface of the product and the head used for measurement with a cotton swab dipped in a little medical alcohol 70 it can be used until the alcohol has completely evaporated Precaution for storage This product should be stored in a dust free dry place ple...

Page 7: ...tronics devices according to Directive 2002 96 EC IP22 EC REP Temperature range Humidity range Atmospheric pressure range This side up Fragile Non rainproof Prevent the invasion of solid objects larger than 12mm When the lamp is tilted 15 degrees it can still prevent the invasion of dripping water When the lamp is tilted to 15 degrees from the vertical Angle the dripping water will not cause harmf...

Page 8: ...f flammable anesthetic gases mixed with air or oxygen or nitrous oxide Product size 143 41 42 mm Product weight about 69g not including cell Number of memory groups 10 groups service life 5years The clinical thermometer is a direct mode Battery replacement cycle use the new battery for no less than 3000 measurements 9 Product technical parameters 11 Replacing the batteries The normal body temperat...

Page 9: ...ication of products 2 failure caused by product drop 3 failure caused by failure to operate according to the instructions 4 failure caused by lack of reasonable maintenance 5 damage caused by external force 4 This product will not cause allergic reaction and harm to human body during normal use 1 Battery replacement When symbol is displayed Replace with 2 new AAA batteries slide open the battery c...

Page 10: ...tection to radio frequency communication services The user might need to take mitigation measures such as relocating or re orienting the equipment When the instrument is in use never put it near other instruments or stack it on other instrument if you have to put it near other i n s t r u m e n t s o r s t a c k i t o n o t h e r instruments please inspect and verify if the instrument could run no...

Page 11: ...e 3 Test specifications for ENCLOSURE PORT IMMUNITY to RF wireless communications equipment Table 2 Compliance information for Immunity test Test frequency MHz Banda MHz Servicea Modulationb 704 787 450 385 800 960 380 390 430 470 TETRA 400 GMRS 460 FRS 460 LTE Band 13 17 GSM 800 900 TETRA 800 iDEN 820 CDMA 850 LTE Band 5 710 745 780 810 870 930 Pulse modulationb 18 Hz FM 5 kHz deviation 1 kHz sin...

Page 12: ...h WLAN 802 11 b g n RFID 2450 LTE Band 7 WLAN 802 11 a n 5240 5500 5785 1720 1845 1970 2450 Pulse modulationb 217 Hz Pulse modulationb 217 Hz Pulse modulationb 217 Hz 1 8 2 0 3 0 3 27 28 0 2 0 3 9 2 0 3 28 2 0 3 28 0 2 0 3 9 2 0 3 28 NOTE If necesary to achieve the IMMUNITY TEST LEVEL the distance between the transmitting antenna and the ME EQUIPMENT or ME SYSTEM may be reduced to 1 m The 1 m test...

Page 13: ...ncies are included b The carrier shall be modulated using a 50 duty cycle square wave signal c As an alternative to FM modulation 50 pulse modulation at 18 Hz may be used because while it does not represent actual modulation it would be worst case ...

Page 14: ...tional HoldingCorp GmbH Europe Address Eiffestrasse80 20537HamburgGermany VAT DE166892350 http www yuwell com Manufacturer JIANGSUYUYUEMEDICAL EQUIPMENT SUPPLY CO L TD ManufacturingAddress No 1BaishengRoad Development Zone Danyang JiangsuPR212300CHINA 1730206 0A ...

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