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Intended use
Thank you for purchasing the SureLife® ThinTemp® Infrared 

Thermometer, type AET-R1F1. This Infrared Thermometer is 

a non-sterile, reusable, handheld device. It can be used by 

consumers in homecare environment and doctors in clinic 

as reference. It is intended for measuring the human body 

temperature of individuals three months of age and older by 

detecting infrared heat from the center of the forehead.

•  For safe and proper use of this product, be sure to read  

and fully understand Safety Precautions contained in  

this user manual.

•  Keep this manual with you for a convenient reference.
•  Keep this manual in a proper way and avoid any loss.
•  If you need other information that is not listed in the 

instructions-for-use packet, please contact MHC Medical 

Products at (877) 358.4342.

The correct measurement method  

to follow: 
Measure forehead.  

Distance 0.59” to 1.97” (15mm to 50mm)

Correct measurement method

1.  Turn the thermometer on by 

pressing the “ ” button. Choose 

mode by pressing the “ ” button on 

the shutoff mode. A beep sound 

will be heard following which the 

screen will indication with ---˚F (˚C), 

indicating the unit is ready for use.

2.  Place the thermometer probe point 

near the forehead and press the “ ” 

button and release after ~1 second 

and the thermometer will beep and 

display the accurate temperature. 

Whenever consecutive readings 

are required, please wait for at least 

5 seconds. The above procedure 

can be repeated as many times as 

required.

3.  To turn off the device press and 

hold the “ ” button for 5 seconds. 

The thermometer will turn off 

automatically after 60 seconds of 

not being in use.

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Unit description

Display information
Measuring location symbol:
 The icon indicates the correct 

measuring position.
Temperature data indicator: The temperature reading is 

displayed after measuring.
Temperature unit indicator: Unit of measuring temperature 

shows ˚F or ˚C.
Low battery symbol: The icon prompts you to replace the 

battery when the power is low.
Memory symbol: It shows in memory query mode currently.

Load and replace batteries
When the battery symbol “

” appears, please replace with new 

batteries immediately. The steps are as follows: 

1.  To remove the battery cover, press down on and slide the 

battery cover towards the bottom of the thermometer. 

2.  Install 2 x AAA batteries according to the correct  

positive and negative pole as shown on the inside  

of the battery compartment.

3.  Close the battery cover.

Warning:
Please take out the battery if you do not use the thermometer 

for a long time. Please refer to the relevant laws and regulations 

for the disposal of waste batteries.

Before take a measurement
1.  
It is suggested to read through the entire instructions for use 

packet to understand how to operate the thermometer.

2.  In order to avoid affecting accuracy of the device due to the 

external too cold or too hot environment, it must be placed 

in general environment of room temperature of 60.8˚F-95˚F 

(16˚C-35˚C) for at least 30 minutes before use to avoid 

incorrect measurement results.

3.  The person measured should be kept at room temperature 

for at least 20 minutes to make body temperature balanced.

4.  After strenuous exercise, you should rest for at least 30 

minutes before taking measurement.

5.  Wipe the skin dry and push aside hair strands before 

commencing.

6.  When repeated measurements are made continuously,  

move away the probe between each measurement and  

rest for at least 5s before making the next to obtain the  

most correct result.

7.  The normal reading value is about 95.9˚F~100˚F 

(35.5˚C~37.8˚C). The user should frequently take his or her 

own temperature to know their average temperature. Pay 

attention to physical changes or consult your doctor if there 

is any abnormality. 

8.  Check to make sure the probe is clean before each 

measurement to ensure accuracy of temperature reading. 

See Page 7 for instructions on how to properly clean the 

thermometer.

Correct position to measure

Forehead temperature mode
The correct measurement method 

to follow:
Measure the forehead.
Distance 0.59” to 1.97” (15mm to 50mm)

Instructions for Use
1.  
Turn the thermometer on by pressing “ ” button.

2.  A beep sound will be then heard and the screen will then 

indication ----˚F (˚C). The unit is now ready for use. Using the 

correct measuring position, point the thermometer’s probe 

to the forehead, press “ ” and release after ~1 second, the 

thermometer will beep and display the temperature. If a 

consecutive reading is required then please wait for at least 

5 second. Repeat the above procedure as often as required.

3.  Press and hold the “ ” switch for 5 seconds to turn off the 

thermometer. Or the unit will switch off automatically after 

60 seconds.

•  If a reading below 89.6˚F (32˚C) is recorded a “Lo” sign will 

be displayed followed by 2 consecutive beeps.

•  If a reading above 100˚F (37.8˚C) is recorded there will be 

6 consecutive beeps.

•  If a reading above 107.96˚F (42.2˚C) is recorded a “Hi” sign 

will be displayed followed by 2 consecutive beeps.

Recalling Readings from Memory
1.  
Ensure the thermometer is switched off.

2.  Press and hold the “ ” button for 4 seconds to put the device 

on memory mode. The last reading will be displayed.

3.  Press and release the “ ” button again to display the  

next reading in a sequence from the last reading to  

the first reading.

4.  The thermometer has the memory to recall the last  

32 readings.

5.  The thermometer will automatically turn off if it idles for 

more than 12 seconds.

Changing Temperature Scales
1.  
Ensure the thermometer is switched off.

2.  Press and hold the “ ” button for 8 seconds to bring it  

into temperature mode. The current temperature unit  

will be displayed.

3.  Release and press the “ ” button again to toggle and  

select between ˚C and ˚F.

4.  The thermometer will switch off automaticaly if it idles  

for more than 4 seconds.

Disposal
Do not dispose of electrical appliances as unsorted 

municipal waste, use separate collection facilities. 

Contact you local government for information 

regarding the collection systems available. If electrical 

appliances are disposed of in landfills or dumps, 

hazardous substances can leak into the groundwater 

and get into the food chain, damaging your health and 

well-being.

Explanation of Marks or Symbols
The following symbols may appear on the manual, Infrared 

Thermometer and its accessories.

MUST OBSERVE 
Means Obligatory with detailed items expressed in 

words or figures within or beside the mark. Left one 

means General Compulsory.

Follow instructions for use.

IMPLICATION OF SYMBOL
Type-BF applied part.
CE Mark: conforms to essential requirements of the 

Medical Device Directive 93/42/EEC.

Caution: Consult accompanying documents.

Do not dispose this product as unsorted municipal 

waste. Collection of such waste separately for 

special treatment is necessary.

Transport package shall be kept away from rain.

Transport package shall not be exposed to sunlight.

Indicates correct upright position of the transport 

package.

Contents of the transport package are fragile 

therefore it shall be handled with care.

Indicates temperature limits within which the 

transport package shall be stored and handled.

Non-ionizing electromagnetic radiation

Do not roll

Lot number

Production date

The device should not be used after the expiration 

date listed on the retail box.
Protected against solid foreign objects of 12.5mm 

dianeter and greater. protected against vertically 

falling water drops when the device is tilted up 

to 15˚.

Manufacturer

Authorized Representative in the European 

Community

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Memory symbol

Low battery 

symbol

Measuring location symbol

Temperature unit

indicator

Temperature data

indicator

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3

Battery compartment

 

(enlarged to  

show detail)

Summary of Contents for ThinTemp AET-R1F1

Page 1: ... in the instructions for use packet please contact MHC Medical Products at 877 358 4342 The correct measurement method to follow Measure forehead Distance 0 59 to 1 97 15mm to 50mm Correct measurement method 1 Turn the thermometer on by pressing the button Choose mode by pressing the button on the shutoff mode A beep sound will be heard following which the screen will indication with F C indicatin...

Page 2: ...symbol It shows in memory query mode currently Load and replace batteries When the battery symbol appears please replace with new batteries immediately The steps are as follows 1 To remove the battery cover press down on and slide the battery cover towards the bottom of the thermometer 2 Install 2 x AAA batteries according to the correct positive and negative pole as shown on the inside of the bat...

Page 3: ...u should rest for at least 30 minutes before taking measurement 5 Wipe the skin dry and push aside hair strands before commencing 6 When repeated measurements are made continuously move away the probe between each measurement and rest for at least 5s before making the next to obtain the most correct result 7 The normal reading value is about 95 9 F 100 F 35 5 C 37 8 C The user should frequently ta...

Page 4: ...mometer is switched off 2 Press and hold the button for 4 seconds to put the device on memory mode The last reading will be displayed 3 Press and release the button again to display the next reading in a sequence from the last reading to the first reading 4 The thermometer has the memory to recall the last 32 readings 5 The thermometer will automatically turn off if it idles for more than 12 secon...

Page 5: ...or special treatment is necessary Transport package shall be kept away from rain Transport package shall not be exposed to sunlight Indicates correct upright position of the transport package Contents of the transport package are fragile therefore it shall be handled with care Indicates temperature limits within which the transport package shall be stored and handled Non ionizing electromagnetic r...

Page 6: ...e that children do not use the instrument unsupervised some parts are small enough to be swallowed 6 Warning Do not use the thermometer under temperature extremes below 16 C 60 8 F or over 35 C 95 F or humidity extremes below 15 RH or over 80 RH Failing to do so may cause inaccuracy Do not expose the thermometer to temperature extremes below 20 C 4 F or over 55 C 131 F or humidity extremes below 1...

Page 7: ...ase contact MHC Medical Products immediately Don t attempt to modify or reassemble the thermometer 7 Error Messages Error Message Problem Solution Hi Temperature is higher than 42 2 C 108 F Operate the thermometer only between the specified temperature ranges In the event of a repeated error message contact MHC Medical Products Lo Temperature is lower than 32 C 89 6 F Operate the thermometer only ...

Page 8: ...t 518122 Shenzhen City PEOPLE S REPUBLIC OF CHINA 8 Version 1 0 Date modified 2020 04 17 AD 102620 1 Technical Specifications Parameter Specification Measurement Mode Forehead mode Measurement Units Fahrenheit F and Celsius C Operating Conditions 60 8 F to 95 F 16 C 35 C with a relative humidity of 15 80 Storage Conditions 4 F to 131 F 20 C 55 C with a relative humidity of 15 93 Measurement Distan...

Page 9: ...SORIES that are replaceable by the RESPONSIBLE ORGANIZATION and that are likely to affect compliance of the ME EQUIPMENT or ME SYSTEM with the requirements of Clause 7 EMISSIONS and Clause 8 IMMUNITY ACCESSORIES may be specified either generically e g shielded cable load impedance or specifically e g by MANUFACTURER and EQUIPMENT OR TYPE REFERENCE If any the performance of the ME EQUIPMENT or ME S...

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