GENIAL TECHNOLOGY T28L User manual

Doc. No.:TCF-DTB-003D
Version: V1.0
Page 1 of 20
Digital Thermometer Use Manual
Model: T28L T28P
1. Product Specification
The main unit is consist of shell, LCD display, sensor and control circuit. The product
uses the temperature sensor to output the electrical signal, directly output the digital
signal, or convert the current signal (analog signal) into a digital signal that can be
recognized by the internal integrated circuit, and then display the temperature in digital
form through the LCD display, which can record and read the maximum value of the
measured temperature.
This digital thermometer enables very safe and reliable measurements for oral and
axillary, and with its technology the thermometer offers a very high clinical accuracy and
has been designed to provide a maximum of user friendliness.
Production structure:
LCD display instruction:
Thank you for choosing our product.
For safety and proper use of this product, please read and fully understand
the safety precautions in this manual.

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Please keep these instructions for reference in the future.
This thermometer conforms to all of the requirements established in ASTM standard E1112.
Full responsibility for conformance of this product to the specification is assumed
by Guangdong Genial Technology CO., Ltd. , address is I-6-05-02, 11th Road, Area B,
Guangfozhao Economic Cooperation Zone, Zhagang Town, Huaiji County, Zhaoqing City,
Guangdong Province, 526437, P.R. China.
2. Intended Use
The digital thermometer is intended for the measurement and monitoring of human body
temperature through oral and axillary as the measurement site on people of all ages by
doctor or user in the hospital or home.
3. Product performance
3.1 The specification of performance
Product Name
Digital Thermometer
Product Model
T28L, T28P
Unit switch
℃/℉Switchable
Display
LCD Display, 4 1/2
Measurement range
32.00℃-42.00℃(89.60℉
-107.60℉)
Measure Mode
Direct mode
Measurement
position and
reference body
Oral and Axillary
(switchable)
Intended use
locations
home, medical
department
Measuring accuracy
In normal room temperature 25℃
32.00℃～35.29℃ (89.60℉～95.52℉) ±0.3℃ (0.5℉)
35.30℃～36.99℃ (95.53℉～98.58℉) ±0.2℃ (0.3℉)
37.00℃～39.09℃ (98.59℉～102.36℉) ±0.1℃ (0.2℉)
39.10℃～41.00℃ (102.37℉～105.80℉) ±0.2℃ (0.3℉)
41.01℃～42.00℃ (105.81℉～107.60℉) ±0.3℃ (0.5℉)
Memory
T28L: 9 sets.
T28P: 30 sets
Power
≤0.5W
Shell protection
IP22
Running Mode
Continuously
running
Battery life
Approximately 200 hours
Shock-proof type
Internal power Type
BF applied part
Battery
One 3.0V DC button
battery (Model CR2032)
Back light
color definition:
When the measured value is lower than 37.50 ℃, a green backlight is
displayed;
When the measured value is 37.50 ℃~ 38.49 ℃, a blue backlight is
displayed;
When the measured value is higher than or equal to 38.50 ℃, an
orange backlight is displayed;

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Using environment
Temperature：10℃~40℃(50℉~104℉)
Relative humidity：15-95% non-condensing
Atmospheric pressure:86kPa-106kPa
Storage and
transportation
condition
Temperature：-25℃~55℃(-13℉~131℉)
Relative humidity：15-95% non-condensing
Atmospheric pressure:50kPa-106kPa
Dimension
12.7cm×4.1cm×2cm(L×W×H)
Weight
Approximately 33 grams including battery
Service life
5 years
3.2 The specification of wireless transmission
For Bluetooth
Bluetooth
5.1
Valid Transmission
More than 5m in open environment
Receiver
Support BLE 5.1 standard
Signal transmission
Transparent transmission.
2.4 GHz transceiver
Frequency
ART baud rate 9600
Output power
Peak current less than 5mA
4. Contraindications
No found
5. Side effect
No
6. Caution and warning
1. Conducting self-diagnosis based on the measurement results and/or treatment can be
dangerous. Please follow the instructions of your doctor. Self-diagnosis may worsen
the symptoms.
2. Do not apply a strong shock to, drop, step on, or vibrate the main unit.
3. Only the sensor is waterproof, the main unit is not waterproof. Be careful when
handling this unit so that no liquid (alcohol, water, or hot water) will get into the main
unit.
4. The sensor and flexible tip can be disinfected with alcohol, the other parts can only
be wiped lightly with a soft dry cloth. Do not immerse the main unit into water or any
other liquid.
5.Do not disassemble, repair, or modify the unit except battery replacement.

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6. Do not store or keep in direct sunlight, at high temperatures. or in any chemical liquid
conditions, in case of chemical changes that effect the operation function and
measurement accuracy.
7. Properly dispose of the batteries according to local regulations keeping them from
small children and heat.
8.Please store this product in a well ventilated and dry place
9.Equipment shall not be serviced or maintained while in use with a patient.
10.The patient is an intended user. The patient can use and maintain the device and its
accessories according to this manual.
11.The device and accessories are to be disposed of according to local regulations after
their service lives. Alternatively, they can be returned to the dealer or the manufacturer
for recycling or proper disposal.
12. It should be cleaned before each use.
13. Keep the unit out of children's reach.
14.The user is cautioned that changes or modifications not expressly approved by the party
responsible for compliance could void the user's authority to operate the equipment.
15.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.
16. NOTE: 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.
17. FCC Radiation Exposure Statement
This equipment complies with FCC radiation exposure limits set forth for an uncontrolled environment.
This transmitter must not be co-located or operating in conjunction with any other antenna or transmitter.
7. Installation and use
7.1 Check before using:
►Clean the measuring probe if any dirty or stuffs attached;

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►Ensure that the part selected for use is the same as the part to be measured;
►Check battery, If low battery symbol is flashing with, please change the battery.
7.2. Before measurement
Clean the thermometer using isopropyl alcohol or soap and water. Do not immerse in
liquid.
7.3. How to switch measuring mode:
With the thermometer off, press the SET button, the buzzer will beep. Short press the
SET button(by holding for under 2 secs) to choose measuring mode-Oral or Armpit
measuring location. Once you have chosen your measuring setting, wait for 2secs and
this location will be selected and you can start to measure.
7.4. How to switch between Celsius and Fahrenheit:
With the thermometer off, hold the SET button for 5 secs until the buzzer beeps, Short
press the SET button the alter from C to F and vice versa. Stop pressing the set key for
2 seconds, it will return to the measurement screen automatically.
7.5. Power on
Press the switch button, turn on the LCD full screen display (buzzer beeps, backlight
green on) for about 2 seconds to display the last measurement result, and the symbol
m lasts for about 2 seconds. (the backlight will display the relevant color according to
the last measured value.) If the measured value cannot be obtained, the next screen is
displayed directly. When the backlight is turned off and display ,the buzzer will
beep and enter the measurement mode after flashing twice at the unit ℃/ F 1Hz
frequency.
7.6. Temperature hint
a) Place the sensor in the appropriate measuring position. If the temperature
measurement result is lower than 37.50 ℃, the buzzer will sound continuously for 4
seconds and give a long warning sound. If the measured temperature is greater than
or equal to 37.50 ℃, the buzzer will give a short warning sound for 4 seconds. The
corresponding backlight color will turn on and turn off automatically after 6 seconds.
b) If the measured temperature (below) < 32.00℃(89.6℉), the display of Lo ℃/℉will
flash until it is switched off automatically or manually. If the measured temperature (greater
than or equal to) 42.00℃/℉(107.6℉), the display of Hi, ℃/℉units will flash until it is
automatically or manually turned off.
Measuring temperature
Backlight (T28)
Buzzer sound
LCD display
< 32.00 ℃(89.6 ℉)
Green
bi-bi-bi-bi, cycle 4 times
Lo
32.00 ℃(89.6 ℉) ~
37.49 ℃(99.5 ℉)
Green
bi--bi--bi--bi--bi--bi--bi--bi
Measurement
value
37.50 ℃(99.5 ℉) ~
38.49 ℃(101.3 ℉)
Blue
bi-bi-bi-bi, cycle 4 times
38.50 ℃(101.3 ℉) ~
42.00 ℃(107.6 ℉)
Orange
bi-bi-bi-bi, cycle 4 times
＞42.00 ℃(107.6 ℉)
Orange
bi-bi-bi-bi, cycle 4 times
Hi

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7.7 Memory function
a) If you press the set key in the display memory for 2 seconds to enter the memory view
mode and display m --- and then press the set key to view the memory and display
. After 1 second, the temperature value measured by the first group is displayed,
and the corresponding backlight color appears. Press the SET key to switch to the next
value, and repeat to cycle through measured values. (T28L for 9 sets of values, T28P for
30 sets of values)
b) After entering the memory screen, the device will turn off automatically if NO actions
on the device within 4 seconds.
7.8. Temperature measurement
(1) Take the device out of the storage case and let it stand for half an hour before
measuring.
(2) When measuring temperature, press the ON/OFF button to turn on the thermometer,
and you can measure the corresponding set position (mouth or armpit). The probe is the
applied part.
ORAL USE
Place the probe tip under the tongue as near as possible to the heat pocket.
Approximate measurement : 1minute.
Suggestion: ,In order to measure body temperature more accurately，close your mouth at
least 2 minutes before temperature taking
AXILLARY USE
Wipe the armpit with a dry towel and place the probe under the arm so that the probe tip
contacts the skin and the thermometer is perpendicular to the body. Place the arm on
the chest so that the tip of the probe is completely covered by the arm.
Approximate measurement time: 1 minute.
Note: axillary temperature is usually 0.5 ℃/ 1.0 ℉lower than oral temperature.
Suggestion: In order to measure body temperature more accurately, close the armpit at
least 5 minutes before taking the temperature.
Measurement Tips:
It is recommended to measure temperature orally, which is
close to the human normal body temperature of between
36.0℃-37.0℃.
a) Armpit measurement: the armpit temperature of human
body is relatively unstable, which is easily affected by the
ambient temperature and measurement method. Therefore,
special attention should be paid before measurement. The arm
should be naturally sagged and the upper jaw should be
closed for 3 minutes to stabilize the armpit temperature. Switch
the measuring position to the armpit mode, place the
thermometer probe in the center of the armpit, clamp and start
the measurement.

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b) Oral measurement: oral temperature is relatively stable. Before measurement, the
mouth should be closed for about 1 minute. Do not eat or drink (hot food or drinking will
increase the body temperature, and cold food or drinking will reduce the body
temperature). Switch the measurement position to the oral mode, and then place the
sensor under the tongue.
(3) When the test is finished, the Digital Thermometer will beep. Take off the device for
reading the result.
7.9. Power off
If no operation after 1 minute, the system will be switch itself off and LCD will be blank.
8. Wireless transmission function operation guide
8.1 APP Download and Installation
Search "GenialCloud" in the App Store or other App markets to download and install the
App.
Fig.1
8.2 APP Registration and login
After installed the APP, open it. Enter your mobile phone number and SMS verification code
to register and login

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Fig. 2
8.3 Connect with APP and Digital Thermometer via Bluetooth
1) Turn on the Bluetooth function
Android phone: Turn on the Bluetooth and
Position as below Figure:
iPhone: Turn on the Bluetooth and limits of
authority as below Figure:
Fig. 3 Fig.4

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2) Binding Digital Thermometer
a) Turn on your Digital Thermometer, click “ Search” at “My Device” ,you will find the Digital
Thermometer. Click it and wait for the monitor to connect with APP as below figure:
Fig.5 Fig.6
b) Keep the Digital Thermometer power on, Select a user for Digital Thermometer on the
app, click ” conect”.

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Fig.7 Fig.8
c) Click “Start”, the Digital Thermometer will measure the temperature. When the
measurement is finished, the temperature value is displayed on the LCD of monitor, at
the same time you can see the temperature value is displayed on the app.
Fig. 9