YONGKANG YK-IRT1 User manual

Infrared Thermometer
Operator’s Manual
Model: YK-IRT1
Before using this Infrared thermometer ,please read the user’s manual carefully and use it
accordingly.Please keep the user’s manual property for reference at any time.(The pictures
in this manual are for reference only)
Xuzhou Yongkang Electronic Science Technology Co., Ltd.
Revision
V1.2
Effective
2020.10.10

Symbols and Definitions
Symbols
Definitions
BF type applied part
Refer to operation manual
Cautions
IP22
First characteristic numeral 2:
Against ingress of solid foreign objects:≥12.5mm diameter
Second characteristic numeral 2
Against ingress of water with harmful effects:dripping(15º
tilted)
Manufacturer
Date of manufacture
European union representative
Serial number
Standby
Separate collection
Keep dry
Keep away from sunlight
Operating Humidity range
Operating Temperature range
Product certification

Contents
1 Product Introduction ........................................................................................................................ 1
1.1 Intended use .......................................................................................................................... 1
1.2 Contraindications ..................................................................................................................1
1.3 Features ................................................................................................................................. 1
1.4 Structure ................................................................................................................................1
1.5Display ................................................................................................................................... 2
2 Battery Installation Usage ................................................................................................................3
3 Measurement ....................................................................................................................................3
3.1 Measuring Steps ....................................................................................................................3
3.1.1 Method to Measuring Ear Temperature .........................................................................4
3.1.2 Method to Measuring Forehead Temperature ............................................................... 4
3.2 Memory View ....................................................................................................................... 5
3.3 ℃/℉Switch ......................................................................................................................... 5
3.4 Fever Prompt Function ......................................................................................................... 5
3.5 Common Malfunction and Solutions ................................................................................... 5
3.6 Notes ..................................................................................................................................... 6
3.6.1 Note for Ear Tempreture Measurement ......................................................................... 6
3.6.2Note for Forehead Tempreture Measurement ................................................................ 6
3.6.3 Others .............................................................................................................................6
4 Manufacturer’s Declaration of the EUT ..........................................................................................8
5 About the Tempreture .................................................................................................................... 12
6 Maintenance and Attention ............................................................................................................13
Production specifications ..................................................................................................................14
After-sale Service. .............................................................................................................................17

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1 Product Introduction
1.1 Intended use
The infrared thermometer of we produced is specially for measuring body temperature, it can
measure human ear and forehead temperature, it suitable for medical unit and home use.
User Group
Age: Adult/Children
-Fever patient;
-Other people who need to have their temperature taken
-Doctor
1.2 Contraindications
otitis externa, otitis media
1.3 Features
1) This machine has two functions, it can measure both ear and forehead temperature.
2) 1 second measure the temperature, easily and fast.
3) Sensor measurement technology, high precision.
4) Automatically power-off, if left idle for 60 seconds.
5) One-key measurement, easy to use.
6) Fever prompt, better to know your physical condition .
7) Stores 12 sets recent measurement data, easy for your data contrast.
8) Safety by infrared measuring, avoid the damage of the measuring by traditional
mercury thermometer.

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1.4 Structure
1. Forehead Temperature Cap
2. Start Button + measuring Button
3. Display Screen
4.Sensor Probe
5. Battery Cover
1.5 Display
1. Ear Temperature Indicator
2. Memory Mode
3. Low Battery Indicator
4. Memory Data Sets Number
5. Forehead Temperature Indicator
6. Temperature Unit
2
3
7
4
6
1
5
1
2
3
4
5

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7. Temperature Reading
2 Battery Installation Usage
1) Remove the battery cover as the arrow direction according.
2) Install 2 AAA batteries, ensure each battery is in the proper direction.
3) Close the battery cover.
3 Measurement
The Infrared thermometer can automatically identify now is under forehead or ear temperature.
3.1 Measuring Steps
Step 1: Install the batteries, press the Start button, all symbols appear on the display, 1 second
later it appears the temperature measured last time, the sign ‘M’ appears at the same time.

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Step 2: The sign “M” disappear, forehead/ear indicator appear, it means the place you
measured last time, then the temperature unit flickering, now is the measuring interface.
Step 3:Direct the probe to measuring area (Shown in Figure 3.1.1 and 3.1.2), press the
“measuring” button till a “Beep” sound from the buzzer. Measuring program starts. Keeping
device in position for one second after two “Beep” sounds, the temperature value will show
on screen along with the model symbol.
Note: After two “Beep”sounds, the measurement is completed and the measurement results
are displayed.
Step 4: During next 6 seconds when test result lasting on the screen, user can no longer make
a measurement until a sound of “Beep”reminder and a “℃/℉” symbol twinkling on the
screen.
Step 5: No operation in 60 seconds, the device will record the last measuring data and shut
down automatically.
Attention :Under the condition of continuous operation, the internal dry battery can supply
power for about 1500 times
3.1.1 Method to Measuring Ear Temperature
Take off the forehead temperature cover. With the subject’s head upright, take hold of the outer
part of the ear, gently pull back and upward to straighten the ear canal, put the probe to ear canal
slowly till the body of device stay completely close to ear canal.
Attention
Pull ear back in children younger than one year of age
Pull ear back and upward for all testes elder than one year of age.
3.1.2 Method to Measuring Forehead Temperature
When measuring forehead temperature,do not take off the forehead temperature cover, aim at the
middle of the forehead (above eyebrows) and hold the product vertically, at a distance of less than
1cm.

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3.2 Memory View
Click the power button while the device in off state, “M” symbol will appear on the screen one
second after the screen light up. Press the “Measure” button to review the record. The test result
will show up with a model symbol distinguish forehead temperature or ear temperature. Press
“Measure” button in five seconds to check the next group data of total 12 groups. Once new data
recorded, the sequence No. increase consecutively, group No. 12 disappear and the newest record
will always be No. 1.
3.3 ℃/℉Switch
Pressing“start” button for 3 seconds when the device in shutdown state,the unit will be switched
between ℃/℉。
Cautions:This operation is unable to recycle switch,turn off and operate as 3.3 again to switch the
unit back.
3.4 Fever Prompt Function
Thermometer has fever prompt function. When body temperature is over 38.0 ℃during
measurement, the thermometer will give out a “beep——beep——beep” sound in order to remind
the person who is under test that he/she gets a fever. At the same time, backlight of 3 different
colors will indicate the state of temperature: normal, on the high side or fever.
Green backlight: Below 37.5 ℃, indicating temperature is normal;
Yellow backlight: Between 37.6~38.0℃, indicating temperature is on the high side(should pay
attention to the temperature);
Red backlight: over 38.1℃, indicating fever( should see a doctor as soon as possible).
Attention :The product is suitable for professional use or domestic use
The correct use method is the key to the accuracy of measurement. Operators should have certain
knowledge of body temperature. The operating environment shall be in accordance with the
instructions.
3.5 Common Malfunction and Solutions
Phenomenons
Possible Reasons
Solutions
Flicker
power deficiency
Replace battery immediately
Blank screen
Thermometer is power
off automatically.
Restart by pressing the Start and measuring
Button
Battery isn’t installed
properly
Check the battery board
Battery has no power
Replace battery immediately
Screen is still blank
Contact distributor and send back the
product for repairation

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Lo
TEMP is too low
————
Environment TEMP is
too low
Measurement in proper environment
Hi
TEMP is too high
————
Environment TEMP is
too high
Measurement in proper environment
3.6 Notes
3.6.1 Note for Ear Temperature Measurement
People with ear diseases such as otitis externa, or otitis media prohibited to use.
If the measuring probe is covered with ear wax, it will lead to inaccurate measurement, even
lead to cross infection between different people. Therefore, after each temperature
measurement, users must use alcohol to clean measuring probe in order to keep it clean.
After using alcohol to wipe measurement sensor, please wait for 5 minutes before
measurement, so as to restore the thermometer to the necessary working temperature.
3.6.2 Note for Forehead Temperature Measurement
Please measure at the same point when doing forehead temperature measurement, , otherwise
the temperature value will have difference.
In order to ensure the measurement accuracy, there should no hair, sweat, cosmetics and dirt,
etc on the forehead when measurement.
Cold coverage, sweating, and other cooling measures on fever patient's forehead will make
the measurement result lower. Users should avoid measurements in this case.
3.6.3 Others
Please keep the sensor and probe clean before and after measurement;
Best work environment temperature is between 15℃~40℃.
Don’t use the thermometer in extreme environment, namely temperature is below 15℃or
over 40℃, humidity is over 85%RH or below 30%.
When the people being measured comes from a place where the temperature has a big
difference from the test environment, he/she should stay in the test environment for at least 5
minutes in order to keep balance of the body temperature. Otherwise, the measurement result
will be influenced.
If the product is taken from a place where the temperature has a big difference from the test
environment, then the product should be placed in the test environment for 20 minutes before
measurement.
Please keep the surrounding environment stable.Don’t measure in the fan, air conditioning
vent airflow circle.
Please avoid using the thermometer under direct sunlight,even outdoor.
Measurement time interval in 20s .
Advise to measure few minutes later after waking up.
Do not measure after swimming or bathing or other reasons not yet completely dry.

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Please do not measure temperature after exercising, bathing or meal within 30 minutes,
Before measuring body temperature, do not make any diet, and do not engage in sports
activities.
Do not measure baby temperature during or after breast-feeding.
The thermometer can take away from the temperature measurement sites, only after the end
of the voice prompts to hear the temperature.
It contains small parts. In order to avoid swallowing, children need to use it under the
supervision of adults.
If the performance is inconsistent with the description or changes, stop using immediately
and contact the manufacturer.
Do not use this product if you are allergic to ABS, metal and other materials.
The infrared thermometer is equipped with a fuse, which can realize overcurrent circuit
protection. If the user hears a "snap" in the process of use, the fuse is blown out and the
infrared thermometer cannot normally realize its function, please stop using immediately and
keep in touch with the manufacturer.
The height of the infrared thermometer should not exceed two meters.
Use the infrared thermometer to stay away from equipment that generates strong electric and
magnetic fields.
When using a thermometer, there should be no high-power equipment such as high-voltage
cables, X-ray machines, ultrasonic instruments, and electrotherapy machines around.
Direct use in the environment of electromagnetic interference shall be avoided to prevent
temporary influence on its accuracy.((e.g., mobile phone, near microwave))
Warning: Use of this infrared thermometer adjacent to or stacked with other equipment
should be avoided because it could result in improper observed to verify that they are
operating normally.
Warning:Use of accessories,transducers and cables other than those specified or provided by
the manufacturer of this equipment could result in increased electromagnetic emissions or
decreased electromagnetic immunity of this equipment and result in impropre operation.
Warning:Portable RF communications equipment (including peripherals such as
antenna cables and external antennas )should be used no closer than 30cm(12 inches)to
any part of the infrared thermometer ,including cables specified by the manufacturer.
Otherwise,degradation of the performance of this infrared thermometer could result.
Recommendations made three measurements in the following three cases,then take the
higher value as the measurement results.
1) Children under three with weakened immune systems (in particular, to judge by children or
without fever thermometer);
2) Not yet fully familiar with the use of a thermometer, so each measured temperature value

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may not be the same;
3) When suspect the measurement value is low.
4 Manufacturer’s Declaration of the EUT
Statement:
The infrared thermometer or user should use the product in the electromagnetic environment
specified in the following table, otherwise it may cause abnormal operation of the product.
The internal structure of the infrared thermometer adds magnetic rings, magnetic beads, and
conductive cloth to spray conductive paint to avoid electromagnetic interference, so as to
prevent adverse events to patients and operators due to electromagnetic interference.
The infrared thermometer can be maintained and calibrated once every two years, and the
basic safety and basic performance of the infrared thermometer have been guaranteed.
Infrared thermometer is a table-top equipment,it suitable for medical unit and home use.
Guidance and manufacturer´s declaration – electromagnetic emission – for all
EQUIPMENT AND SYSTEMS
Guidance and manufacturer's declaration – electromagnetic immunity –
for all EQUIPMENT and SYSTEMS
Guidance and manufacturer’s declaration – electromagnetic immunity
1
Guidance and manufacturer´s declaration – electromagnetic emission
2
The Infrared thermometer is intended for use in the electromagnetic environment specified below. The
customer or the user of Infrared thermometer should assure that it is used in such an environment.
3
Emissions test
Compliance
4
RF emissions
CISPR 11
Group 1
5
RF emissions
CISPR 11
Class B
6
Harmonic emissions
IEC 61000-3-2
N/A
7
Voltage fluctuations /
flicker emissions
IEC 61000-3-3
N/A

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The infrared thermometer is intended for use in the electromagnetic environment specified below. The
customer or the user of the infrared thermometer should assure that it is used in such an environment.
Immunity test
EN 60601
test level
Compliance level
Electrostatic
discharge (ESD)
IEC 61000-4-2
± 8 kV contact
± 15 kV air
± 8 kV contact
± 15kV air
Electrostatic
transient / burst
IEC 61000-4-4
± 2 kV for power
supply lines
± 1 kV for input/output
lnes
N/A
Surge
IEC 61000-4-5
± 1 kV differential
mode
± 2 kV common mode
N/A
Voltage dips,
short
interruptions and
voltage variations
on power supply
input lines
IEC 61000-4-11
< 5 % UT
(>95 % dip in UT)
for 0.5 cycle
40 % UT
(60 % dip in UT)
for 5 cycles
70 % UT
(30 % dip in UT)
for 25 cycles
N/A

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< 5 % UT
(>95 % dip in UT)
for 5 sec
Power frequency
(50/60 Hz)
magnetic field
IEC 61000-4-8
30 A/m
30A/m
NOTE UTis the a. c. mains voltage prior to application of the test level.
Guidance and manufacturer´s declaration – electromagnetic immunity –
for EQUIPMENT and SYSTEM that are not LIFE-SUPPORTING
Guidance and manufacturer´s declaration – electromagnetic immunity
The infrared thermometer is intended for use in the electromagnetic environment specified below. The
customer or the user of the infrared thermometer should assure that it is used in such an environment.
Immunity test
EN 60601 test level
Compliance level
Conducted RF
IEC 61000-4-6
3 Vrms
150 kHz to 80 MHz
N/A

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Table 9 - Test specifications for enclosure port immunity to RF wireless
communications equipment
Test frequency
(MHz)
Banda)
(MHz)
Servicea)
Modulation b)
Maximum
power
(W)
Distance
(m)
IMMUNITY
TEST LEVEL
(V/m)
385
380 -390
TETRA 400
Pulse
modulation b)
18 Hz
1,8
0.3
27
450
430 - 470
GMRS 460, FRS 460
FMc) ± 5 kHz
deviation
1 kHz sine
2
0.3
28
710
704 - 787
LTE Band 13,
17
Pulse
modulation b)
217 Hz
0,2
0.3
9
745
780
810
800 - 960
GSM 800/900.
TETRA 800,
iDEN 820,
CDMA 850,
LTE Band 5
Pulse
modulation b)
18 Hz
2
0,3
28
870
930
1 720
1 700-1 990
GSM 1800;
CDMA 1900;
GSM 1900;
Pulse
modulation b)
217 Hz
2
0,3
28

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1 845
1 970
2 450
2 400-9570
Bluetooth,
WLAN,
802.11 b/g/n,
RFID 2450,
LTE Band 7
Pulse
modulation b)
217 Hz
2
0,3
28
5 240
5 100-5 800
WLAN 802.11 a/n
Pulse
modulation b)
217 Hz
0,2
0.3
9
5 500
5 785
NOTE:
If necessary 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 distance is permitted by IEC 61000-4-3.
a) For some services, only the uplink frequencies 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.
5 About the Temperature
1) the concept of body temperature: the body temperature refers to the body's internal temperature,
the so-called normal body temperature is a healthy person's body temperature, in accordance with
the measurement location, time, different objects may show different results.
2) the normal body temperature, the different parts of the body to measure the results are not the

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same. Therefore, different parts of the measurement results should not be used to compare with
each other. In physical health, multi test several times, prior to know their "normal temperature".
NOTE: Product measurement data are used only as an aid to diagnosis.
6 Maintenance and Attention
●The probe of the Infrared thermometer is one of the most important parts , the front probe is
most vulnerable. So be careful when using the measurement, avoid damaging the probe.
●Please wipe the LCD screen and the shell is gently with clean soft cloth;
●Please place the Infrared thermometer in a cool and dry place, avoid direct sunlight;
● If a period of time not plan to use it,please cover the cap and remove the battery;
●Please click the following ways to clean the probe:
●Cleaning frequency:
When using at home, clean once before each use, clean once after each use.
Used in medical institutions, when measuring forehead temperature, non-contact conditions, the
doctor according to the necessary situation about 10 times to clean once.
When measuring ear temperature in medical institutions, disposable ear temperature sleeve is
recommended
●Cleaning method:
use 75% alcohol cotton wet cloth to clean the infrared thermometer shell and temperature head,
and then dry with a dry soft cotton cloth.
If encounter has unfavorable clean dirt, can stick on soft cotton cloth water or neutral detergent
wipe, reoccupy dry cloth wipe.
●Precautions:
Never clean with abrasive cleaners, thinners or gasoline.
Never immerse the instrument in water or other liquids
Be careful not to scratch yourself.
●The packaging products should be stored in a temperature of - 20 ℃- 55 ℃, relative humidity is
15%~93% , non corrosive gases and well ventilated room.
●For a long time (more than 3 months) is not in use, please remove the battery storage. In addition
into the battery is not used for a long time, may be due to battery leakage caused by fault;
●The treatment of waste batteries according to the city of relevant environmental protection
regulations for processing;
●If you need maintenance, please contact the manufacturer
● If you don't comply with the above note matters
and other proper use and lead to machine failure, the company does not assume responsibility for
the quality.
•Do not repair or maintain during use.
•If you think the device is damaged or abnormal, please stop using the device. Please contact the
manufacturer. It is strictly forbidden for the user to dismantle or repair by himself.

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•The thermometer contains sensitive elements, which should be treated with caution. The aging of
the elements will affect the performance of the thermometer. At the same time, the thermometer
should not be used in the environment with electromagnetic interference.
•The infrared thermometer is composed of high quality sensitive parts, which can not be repaired
by users themselves.
•Please place the thermometer in a place where children, pets, etc. can not be touched, so as to
prevent falling, biting and affecting the product performance. Children need to use it under the
supervision of adults.
•Warning: this device is not allowed to be modified
NOTE: Please follow local laws to dispose of waste scrap.
•The results of ear temperature measurement by infrared thermometer were compared with those
of oral mercury thermometer in control group.
♦Preparation before use:
Before the controlled trial, all subjects had no eating, drinking or strenuous activity for half an
hour, and the environmental conditions were referred to the instruction.
♦Inspection method:
During the measurement, the mercury end of the oral thermometer, which was thrown below 35℃,
was placed at an Angle in the hot bag under the subject's tongue, and the body temperature was
read and recorded after 5 minutes with the lips closed tightly.Let's say the mercury thermometer is
37.5 ℃.
At the same time as the oral temperature is measured, the ear temperature is measured.The user
reads three consecutive temperatures in the same ear for no more than one minute at a time. The
average value is taken, if the result is a reading of 37.2℃, compared with the value of the mercury
thermometer.The difference between the temperature of 37.5℃and the mercury thermometer is
within the error range of ±0.3℃, indicating that the infrared thermometer is normal.
If the reading is 36.5℃, with a difference of 1 ℃, the infrared thermometer needs to be calibrated.
measures
You can contact the manufacturer for calibration inspection within the warranty period.
The calibration cycle of this equipment is 2 years, and the calibration unit is: the manufacturer.
•The verification of the basic safety and performance of the thermometer shall comply with the
inspection procedures for the whole infrared thermometer.
Production specifications
No.
Item
Specifications
1
Name
Infrared Thermometer

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2
Model
YK-IRT1、YK-IRT2、YK-IRT3、YK-IRT4
3
Product Categories
Internal power supply equipment BF type application part
4
Units of measurement
℃&℉key to switch
5
Range
34.0℃~43.0℃
(Apply to ear temperature and forehead temperature)
6
Range Indicator
<34.0℃Show Lo,>43.0℃Show Hi
7
Accuracy
< 35.0℃and >42.0℃: ±0.3℃
35.0℃~ 42.0℃: ±0.2℃
(Apply to ear temperature and forehead temperature)
8
Measuring position
Ear / forehead auto-sensing
9
Measuring interval
About 6 s
10
The ambient
temperature exceeds
≧40.0℃:show Hi
< 10.0℃:show Lo
11
Buzzer frequency
About 4kHz
12
Automatic shut-down
60 seconds after no operation
13
Low Voltage Tips
<2.4±0.4V ,Battery symbol flashes
14
Memory function
Save last measured 12 memories (without memory Lo / Hi)
15
Operating Voltage
DC 2.4~3.3V
16
Working current
Standby :< 2uA ,Power :<5 mA (VDD=3.0V)Without
backlight
17
battery
2×1.5V AAA
18
Tri-color backlit
≤37.5℃Green
37.6℃~38.0℃Yellow
≥38.1℃Red
19
Normal operating
conditions
Ambient temperature:15℃~40℃
Relative humidity:30%~85%
Atmospheric pressure:70kPa~106kPa
20
Storage and
transportation
temperature
Ambient temperature:-20℃~55℃
Relative humidity:15%~93%
Atmospheric pressure:50kPa~105kPa
21
Size
120mm×40mm×30mm(L×W×H)
22
N.W.
About 50g
23
Duration of use
5 years
24
the time required for
About 30min

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me equipment to
warm from the
minimum storage
temperature between
uses until it is ready
for intended use; and
25
the time required for
me equipment to cool
from the maximum
storage temperature
between uses until it
is ready for intended
use
About 20min
26
the time from
switching “on” until
the me equipment is
ready for normal use,
when it exceeds 15 s
About 10 seconds
27
Applied parts
specified
Temperature probe and its circuit
28
Use
specification
1.Expected medical instructions:
Infrared thermometer can measure the human ear
temperature and forehead temperature
2.Expected patient population:
Age: Adult/Children
-Fever patient;
-Other people who need to have their temperature taken
3.Expected use or interaction with body parts tissue type:
Ears and forehead
4.Expected user profile:
Fever patients or people who need to measure their
temperature, doctors, etc
5.Application environment:
Avoid electromagnetic interference
Extreme temperature
Avoid pollution and dust
Avoid direct sunlight, etc
6.Operating principle:
Infrared thermometers measure temperature by detecting
infrared energy radiating from a person's forehead and ears.
29
Pollution degree
Pollution degree2:Micro-environment with non-conductive
pollution,expect occasional conductivity caused by
condensation

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30
Overvoltage category
classification
Class I
31
Fuse
0.35A 6V
After-sale Service.
1. One year free warranty period will be provided after sales.
2. Our company cannot provide the free warranty service due to the malfunction caused by
personal reason, details as follow:
1)The malfunction caused by disassemble and modify the product.
2)The product inner malfunction caused by dropping while picking up or operating.
3)The malfunction caused by improper used or lack of reasonable cared.
4)The malfunction caused by operating not following the operator’s manual.
5)The malfunction caused by natural disasters,such as flooding,fire.
6)The malfunction caused by improper repaired by repaired shop which isn’t our authorized.
3. Please show your valid warranty card and shopping vouchers when you need free service.
4. Please bring the product to repaired shop which is our authorized when you need free repaired.
5. When performing warranty service, if needed, you can provide information on product
components to circuit diagrams and repairable identified by our qualified technical personnel.
6. We will collect reasonable charge when we repair some malfunctions which out warranty
service.
Contact information:
Xuzhou Yongkang Electronic Science Technology Co., Ltd
1st&2nd Floor,6#01,6#02,No.6 Building 1st Phase Economic Development Manufacturing
Zone,LIANDO U Valley, No.6 Leye Road ,Xuzhou ETDZ,221000 Xuzhou,PEOPLE'S
REPUBLIC OF CHINA
TEL: +86-516-87892766 FAX: +86-516-87892755-606
Xuzhou Yongkang Electronic Science Technology Co., Ltd
1st&2nd Floor,6#01,6#02,No.6 Building 1st Phase Economic Development Manufacturing
Zone,LIANDO U Valley, No.6 Leye Road ,Xuzhou ETDZ,221000 Xuzhou,PEOPLE'S
REPUBLIC OF CHINA
Inventory list
Quantity
Host of infrared thermometer
1
AAA battery
2
User manual
1
Guarantee card
1
Table of contents