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LEYU Leyu1 User Manual

Made by: LEYU
Type: User Manual
Category: Thermometer
Pages: 19
Size: 0.31 MB

 

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LEYU SMART BODY INFRARED THERMOMETER 

 

 

 

 

 

 

USER MANUAL 

 

 

 

 

 

 

 

 


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CONTENTS 

 

1

Product Overview 

2

Download Leyu Baby APP 

3

Use Thermometer Alone 

4

Use with APP 

5

Notice During Measurement 

6

Measure Surface Temperature 

7

Notice Before Measurement 

8

Features 

9

Specifications 

10

Maintenance 

11

Environmental Protection 

12

Use of Battery 

13

Battery Installment and Change 

14

Adherence to EMC Test Standards 

15

After-sale Service 

16

Caution 

 

 

 

 

 


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MODEL: Leyu1   

 

 

Lanyard Joint 

 

 

 

 

 

 

 

 

 

 

Button

 

LED Indicator 

Temperature Probe

 

 


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1.

 

Product Overview 

Leyu, with adorable shape, pocket size and easy operation, is a 

specially designed non-contact infrared thermometer for infants and kids. 

It measures temperature quickly, within 1s. LED light indicates precisely 

different temperature with different colors. A combined use with the 

APP--Leyu Baby can provide smart service, such as voice broadcast, 

automatic data record, temperature trend analysis, online doctor, online 

appointment, growth record, Leyu community, Cloud Sync to users. Leyu 

will take comprehensive care of all babies.   

 

2.

 

Download Leyu Baby APP 

 

 

Apple iPhone needs to support Bluetooth 4.0, install iOS 7 or above.   

iPhone 4S, iPhone 5/5S/5C, iPhone 6/6Plus, iPhone 6S/6S Plus, iPad 3/4, 

iPad Mini 1/2, iPad Air.   

 

 

 


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3.

 

Use Thermometer Alone 

Point the thermometer at forehead or behind ears, and press the 

button to measure. The blue LED will flash during measurement. When 

measurements is finished, LED will stop flashing, and green, yellow or 

red LED will long light for 5 seconds.   

1)

 

When temperature is below 37.5

, green LED is on to indicate 

normal temperature.   

2)

 

When temperature is 37.6

~38.5

, yellow LED is on to indicate 

mild fever. 

3)

 

When temperature is 38.6

~42.0

, red LED is on to indicate high 

fever.  

Start the APP after measurement, and press the button, temperature data 

will be synchronized to mobile phone automatically.   

 

Note: Thermometer can store up to 30 pieces of data, and they will be 

wiped after the synchronization to mobile phone.   

 

 

 

 

 

 

 


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4.

 

Use with APP 

1)

 

Start the APP and login, and enter into measuring interface. 

 

2)

 

APP detects Bluetooth connection automatically and prompts users to 

operate as below:   

Turn on Bluetooth 

Users need to change to settings interface on their mobile phones and 

start Bluetooth.   

Turn on Leyu thermometer 

Users need to press the button on thermometer, blue LED light flashes, 

Bluetooth connects automatically, and APP prompts 

Connected with Leyu thermometer 

Point Leyu at measuring parts, press the button on thermometer or touch 

 


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the button on APP to take temperature. Users can also photograph baby’s 

state by touching the photo button on APP.   

 

After Bluetooth is successfully connected, APP will display and broadcast 

synchronously and store automatically measurement data. In daily 

measurements, users only need to keep the Bluetooth activated and take 

measurement directly after start APP.   

 

5.

 

Notice During Measurement 

Right operation is the key to accurate measurement. Infrared thermometer 

is demanding to ambient temperature, so please pay attention to following 

items: 

1)

 

Point the thermometer vertically at the middle of forehead and 

between eyebrows. Measuring part cannot be covered by hair, sweat, 

or cap, etc., and make sure measurement distance is 1~4cm.   

2)

 

If the object undergoes large temperature difference, for example from 

low temperature outdoor to high temperature indoor, the measurement 

needs to wait 5~15mins until body temperature is consistent with 

ambient temperature.   

3)

 

The measurement cannot be taken in the place of large air flow, such 

as air-conditioner outlet or near blowing fans.   

4)

 

If the thermometer is taken from a different temperature place, it needs 

 


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to be stabilize for 20~30mins in measurement environment.   

5)

 

Users should avoid to measure temperature after temperature-lowering 

steps, since cold compress or sweating will lower temperature. 

6)

 

If forehead measurement cannot reflect accurately actual temperature 

due to external factors, measurement can be taken behind ear.   

 

 

 

6.

 

Measure Surface Temperature 

Point Leyu at object, press the measurement button on thermometer, or 

touch the button on APP to measure surface temperature.   

 

 

 


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Note: The temperature of feeding bottle, bath water and room temperature, 

except body temperature, are surface temperature. LED light colors 

change merely along with body temperature, and surface temperature is 

subject to the reading displayed on APP.   

 

7.

 

Notice Before Measurement 

1)

 

Please read user manual before use.   

2)

 

Operation temp.: 15~35

; operation RH: 20%~80%RH.   

3)

 

Do not expose this thermometer to extreme temperature (<-20

 

or >50

) or high humidity environment (>85%).   

4)

 

Keep measuring distance 1~4cm.   

5)

 

Keep the thermometer away from high voltage and strong magnetic 

field in case of electric shock.   

6)

 

Do not use the thermometer outdoor or under strong sunlight. 

7)

 

Waterproof grade IP65 can protect the thermometer from water. Its 

performance will not be affected though falls into water but taken out 

quickly. Do not immerse the thermometer in water for a long time.   

 


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8)

 

Do not measure at once after washing face or cold compress.   

9)

 

Do not measure near air-conditioner outlet or blowing fans.   

10)

 

  Temperature will vary from one to one because of skin thickness and 

complexion.  

 

Important Notice: 

1)

 

Use of this thermometer cannot replace in any case doctor’s diagnose.   

2)

 

Do not contact skin during measurement. The optimum distance is 

2cm.  

3)

 

If there is any problem, please contact distributor. Do not disassemble 

and repair on your own.   

 

8.

 

Features 

1)

 

Non-contact, safe, hygienic   

2)

 

Fast measurement, less than 1s 

3)

 

Easy operation, one-button measurement 

4)

 

Pocket size, convenient to carry 

5)

 

Small caliber, precision aiming at measuring part 

6)

 

3-color LED, precise indicator of temperature   

7)

 

IP65 waterproof and 1m drop protection 

8)

 

More smart service in combination with APP 

 

 


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Explanation  of  Symbols

 

 

3V DC power supply 

 

Type B equipment   

 

Caution  

 

Non-ionizing radiation   

 

9.

 

Specifications 

Resolution 0.1

 

Body Temp. Range 

35.0

~42.0

 

Surface Temp. Range 

0

~100

 

Accuracy 

±

0.3

 (35.0

~35.9

±

0.2

 (36.0

~39.0

±

0.3

 (39.1

~42.0

Measuring Distance 

1~4cm 

Temperature Indicator 

Green/Yellow/Red LED   

Spectral Response 

6~14um 

Power Off 

3mins (online); 15s (offline)   

Storage Temp. 

-10

~60

 

Operation Temp. 

15

~35

 

Battery 

3V button battery (CR2032) 

Frequency 2.4GHz 
Transfer Mode 

Full-duplex bi-direction communication 

Frequency Characteristic 

250ms broadcast interval; 100ms connect interval 

Effective Radiated Power 

0dbm 

Wireless Connection 

Bluetooth 4.0 

 

 

 

 

 

 


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10.

 

 Maintenance 

1)

 

Probe, the most intricate part, must be kept clean and intact.   

2)

 

Clean the device with a soft dry cloth moistened with moderate 

amount of alcohol.   

3)

 

Do not use corrosive cleaner and do not immerse the device into water 

or other fluid.   

4)

 

Keep the device in cool and dry place 

 

11.

 

 Environmental Protection 

1)

 

Do not dispose the device and its accessories as common living 

garbage.  

2)

 

Please observe local statutes about the disposal of the device and its 

accessories, and support recycle.   

 

12.

 

  Use of Battery 

Red LED lights will flash continuously and go out when press the button 

on device if battery power is low. Please change a new 3V (CR2032) 

battery.   

LED will not light up when press the button if battery power runs out. 

Please change a new battery.   

1)

 

Turn on battery cover (or with a coin), and change battery.   

2)

 

Remove battery from the device if it is not going to be used for a long 

 


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time to extend battery life and to avoid damage to the device for due 

to leakage.   

3)

 

Please note battery polarity. Wrong placement may cause damage to 

the device.   

4)

 

Do not let kids and pets swallow the battery in case of any danger.   

5)

 

Do not damage, place or discard randomly the battery in case of 

leakage, overheat, firing or explosion.   

 

13.

 

  Battery Installment and Change 

 

 

 

 

Insert a coin into the fillister, rotate counterclockwise to position as 

shown in Picture 2, and remove battery cover. Put battery into battery 

cabin with positive polarity upwards, install the cover back and rotate 

clockwise to position as shown in Picture 1.   

battery cover

 

fillister

battery cabin 

 


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14.

 

  Adherence to EMC Test Standards 

Electromagnetic Emission Guidelines and Statements—Non Life Support Equipment and System 
The device must be used in regulated electromagnetic environment as below.   
Emission Test 

Conformity 

Electromagnetic Environment-Guidelines 

Radio-frequency 
Emission CISPR 11 

Group 1 

The device uses radio-frequency energy only 
when running inside functions, so its low RF 
emission will not cause electromagnetic 
interference to any electronic equipment nearby. 

Radio-frequency 
Emission CISPR 11 

Class B 

The device can be used at home and connected 
to public housing low voltage power supply 
network.  

Harmonic Radiation 
IEC61000-3-2 

N/A  

Voltage Fluctuation 
and Flicker 
Radiation 

N/A  

 

 

Electromagnetic Susceptibility Guidelines and Statements 
The device must be used in regulated electromagnetic environment as below.   

Susceptibility Test 

IEC 60601   
Level Test/Conformity Level 

Electromagnetic Environment-Guidelines 

Electrostatic Discharge 
(ESD) IEC 61000-4-2 

±

6 kV contact discharge 

±

  8 kV air discharge 

It must be wooden floor, concrete floor or 
ceramic tile floor. RH must be at least 30% 
if there is synthetic material on the floor.   

Electrical Fast Transient 
(EFT) IEC 61000-4-4 

N/A 

Network power supply quality must be a 
typical business or hospital environment.   

Surge IEC 61000-4-5 

N/A 

 

Voltage Drop, Short 
Interruption and Change 
IEC 61000-4-11 

N/A 

Network power supply quality must be a 
typical business or hospital environment. If 
the device needs to keep running during 
power interruption, we recommend UPS. 

Power Frequency 
Magnetic Field 
(50/60Hz) IEC 
61000-4-8 

3A/m 

It must be a electrical level in typical 
business or hospital environment. 

Note: UT refers to alternating network voltage before applying testing voltage 

 

 

 


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Recommended Distance Between the Device and Portable/Mobile RF Equipment 
The device can be used in electromagnetic environment where RF interference is controlled. To avoid 
electromagnetic interference, users are advised to keep distance between the device and portable/mobile 
RF communication equipment. Following recommended distance is calculated in accordance with 
maximum output power of communication equipment.   

Emitter’s Rated Max 
Output Power (W) 

Isolation Distance (m) Based on Emitter’s Frequency 
150kHz~2MHz 
d=1.2

80MHz~800MHz 
d=1.2

800 MHz~2.5GHz 
d=2.3

0.01 0.12  0.12 

0.23 

0.1 0.37 0.37  0.74 
1 1.17 

1.17 2.34 

10 3.69 3.69  7.38 
100 11.67 11.67  23.34 
If the rated output power is not included in above figure, the isolation distance can be reckoned with 
corresponding formula. P in formulate is emitter’s rated output power provided by manufacturer (Unit: 
W).  
Note 1: Adopt high frequency formula when frequency is 80MHz~800 MHz 
Note 2: Above guidelines do not apply to all situations, because material structure, object and crowd can 
absorb and reflect electromagnetic waves, and hence affect electromagnetic propagation. 

 

 

15.

 

 After-sale Service 

We will answer any of your questions about Leyu at the first moment.   

 

 

 


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16.

 

 Caution: 

This equipment has been tested and found to comply with the limits 

for a Class B digital device, pursuant to part 15 of the FCC Rules. These 

limits are designed to provide reasonable protection against harmful 

interference in a residential installation. This equipment generates uses 

and can radiate radio frequency energy and, if not installed and used in 

accordance with the instructions, may cause harmful interference to radio 

communications. However, there is no guarantee that interference will not 

occur in a particular installation. If this equipment does cause harmful 

interference to radio or television reception, which can be determined by 

turning the equipment off and on, the user is encouraged to try to correct 

the interference by one or more of the following measures: 

-Reorient or relocate the receiving antenna. 

-Increase the separation between the equipment and receiver. 

-Connect the equipment into an outlet on a circuit different from that to 

which the receiver is connected. 

-Consult the dealer or an experienced radio/TV technician for help. 

 

This device complies with part 15 of the FCC Rules. Operation is 

subject to the following two conditions: (1) This device may not cause 

harmful interference, and (2) this device must accept any interference 

received, including interference that may cause undesired operation. 

 


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Any Changes or modifications not expressly approved by the party 

responsible for compliance could void the user's authority to operate the 

equipment.