JOYTECH DET-3011b Owner'S Manual Download Page 6

Troubleshooting

Problem

Solution

The ambient temperature
is not within the range 
between 10

 and 40

(50

~

104

).

Place the 
in a room for at least 30
minutes at room 
temperature between 
10

 and 40

(50

~

104

)

thermometer

The thermometer is not 
functioning properly.

Unload the battery, 
wait for 1 minute and 
repower it. If the 
message reappears, 
contact the retailer 
for service.
 

Error message              

20

19

21

22

Troubleshooting

In Forehead mode:
Temperature taken is 
higher than 43.0 

(109.4

).

In Object mode:
Temperature taken is 
higher than 100 

(212

).

Problem

Solution

The thermometer could 
not

 

work due to low 

battery.

Replace two new 
alkaline batteries 
size AAA.
 

Error message              

In Forehead mode:
Temperature taken is 
lower than 34.0 

(93.2

).

In Object mode:
Temperature taken is 
lower than 0

(32

).

Read Temperature Taking 
Hints Thoroughly, then 
take a new temperature
measurement. 

Read Temperature 
Taking Hints thoroughly ,
then make sure the lens 
filter are clean, then take 
a new temperature 
measurement. 

Specifications

Forehead mode: 34.0

~43.0

(93.2

~109.4

)

Object mode: 0

~100

(32

~212

)

Forehead mode: 

±

0.2

 (0.4

) during 35.5

~42.0

 (95.9

~107.6

at 15

~35

 (59.0

~95.0

) operating temperature range

±

0.3

 (0.5

) for other measuring and operating 

temperature range
Object mode: 

±

4% or 

±

2

(4

) whichever is greater

41*26.5*153mm

Approx.84grams(with batteries)

DC3V(2

×

AAA

 

battery)

Measuring range

Laboratory accuracy

Display resolution

0.1

 or 0.1

Measure time

1 second

Operating temperature 
range:

Storage and transport 
temperature range

-25

~ 55

 (-13

~131

), 15%~95%RH, non-condensing

700hPa ~ 1060hPa

Atmospheric Pressure : 

Clinical accuracy

Dimension

Weight

Battery

Battery life

Approx. 1 year/6000 readings 

Measuring site    

        

Forehead(Forehead Mode)

 Oral (This thermometer converts the forehead temperature
 to display its “oral equivalent.”)

Reference body site

Operation mode                  Forehead mode(Adjust mode)

Ingress protecting rating

         
    

 IP22

Shock

withstands drop of 3 feet

Expected service life

Three years 

Clinical bias: -0.09

℃(-

0.16

℉)

Clinical repeatability: 0.13

℃(

0.23

℉)

Limits of agreement: 0.87

℃(

1.57

℉)

10

~40

(50

~104

), 15%~85%RH, non-condensing

700hPa ~ 1060hPa

Atmospheric Pressure : 

Calibration

The thermometer is initially calibrated at the time of manufacture. 
If the thermometer is used according to the use instruction, periodic 
readjustment is not required. However, We recommends checking 
calibration every two years or whenever clinical accuracy of the 
thermometer is in question. Please send the complete device to the 
dealers or manufacturer. 

The above recommendations do not supersede the legal requirements. 
The user must always comply with legal requirements for the control 
of the measurement, functionality, and accuracy of the device which 
are required by the scope of relevant laws, directives or ordinances 
where the device is used.

A clinical summary and procedures for checking calibration are 
available upon request.(Turn on the thermometer and press the power
button long time until entering into calibrate mode, software

 

version

will be displayed.)

 

Direct Current

 Disposal of this product and used batteries should be carried out in accordance 
 with the national regulations for the disposal of electronic products

Type B F applied part

 

 

 

         
    

Consult Accompanying Documents

LOT

Batch Code

Storage and Transportation Temperature Limit: 
-13

℉ ~

131

(-25

~55

℃)

-25

55

1.  Probe

2.  START Button

3.  Set  Button

4.  Battery Cover 

Summary of Contents for DET-3011b

Page 1: ...ended as a substitute for consultation with your physician 4 some parts are small enough to be swallowed 5 Never immerse this device in water or other liquids not waterproof 6 Do not modify this equip...

Page 2: ...d with the memory function andhelp you to recognize each measurement result Please see the tinghe first use The thermometer has been designed for practical use It s not meant to replace a visit to the...

Page 3: ...wait 10 minutes before taking a reading 4 Remove dirt from the forehead before taking a measurement Wait at least 10 minutes after washing the forehead area before taking a reading Temperature Taking...

Page 4: ...iting period of 1 seconds between testing is recommended to ensure complete accuracy Note2 If the object to be tested is too far from the probe a prompt will appear See figure 5 To measure forehead te...

Page 5: ...your thermometer will automatically be updated when it s connected with your phone 2 Confirm that your thermometer is connected successfully When your thermometer is connected successfully to your sma...

Page 6: ...heric Pressure Clinical accuracy Dimension Weight Battery Battery life Approx 1 year 6000 readings Measuring site Forehead Forehead Mode Oral This thermometer converts the forehead temperature to disp...

Page 7: ...mometer or to report unexpected operation or events The product is in compliance with the requirements of MDD 93 42 EEC 0197 is the identification number of notify body 0197 European Authorized Repres...

Page 8: ...de 2 kV common mode N A Voltage dips short interrupti ons and voltage variations on p ower supply in put lines IEC 61000 4 11 5 UT 95 dip in UT for 0 5 cycle 40 UT 60 dip in UT for 5 cycle 70 UT 30 di...

Page 9: ...ent Rated maximum output power of transmitter W Separation distance according to frequency of transmitter m 80 MHz to 800 MHz 800 MHz to 2 7 GHz 0 01 0 1 1 10 100 0 12 0 38 1 2 3 8 12 0 23 0 73 For tr...

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