User Manual
version:1.0
Body Fat Analyzer
GBF-1251-B1
Contains FCC ID: OU9AW8001-LS
GUANGDONG TRANSTEK MEDICAL ELECTRONICS CO., LTD
Zone A, 5/F., Investment Building, No. 12, Huizhan East Rd., Torch Development
District, Zhongshan, Guangdong, 528437, China
TEL:86-760-88282982 www.transtek.cn
Thank you very much for selecting the Transtek Body Fat Analyzer
GBF-1251-B1.
Please do read the user manual carefully and thoroughly so as to ensure
the safe usage of this product, and keep the manual well for further
reference in case you have problems.
Table of Contents
Table of Contents
Safety Information
Safety and Usage Information
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Tips
Overview
Device Components
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List
LCD Display
Initial Start-Up
General Instructions
Power Supply
Insert the Batteries
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Pair-up
Set Up Your Profile
Select Measurement Unit
Initialising Your Scale
Weight Only Operation
Start Measuring
First Measurement
Daily Measurement
Fast Measurement
Manage Your Health
Body Fat Indicator
Data Transmission
Troubleshooting
Error Prompt
When Measuring ...
When Data Transmitting...
Specifications
Maintenance
Warranty
FCC Regulations
Appendix
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Table of Body Fat Level
Table of Body Water Level
Muscle Mass Percentage
Bone Mass Percentage
Health Tips – About Body Fat
EMC Guidance
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Safety and Usage Information
The warning signs and symbols are essential to ensure your correct and safe use of
this product and protect you and others from injury. Please kindly find the meanings of the
warning signs and symbols, which you may encounter in the label and user manual, as
follows:
Safety InformationSafety Information
INDICATIONS FOR USE
The Transtek Body Fat Analyzer measures weight and uses bio-electrical impedance analysis
(BIA) technology to estimate body fat, total body water percentage, bone mass, and muscle
mass in generally healthy children 10-17 years old and healthy adults.
It is intended for use in the domestic setting only.
Tips
Symbol for “THE OPERATION
GUIDE MUST BE READ”
The Bluetooth Combination Mark
Symbol for “TYPE BF APPLIED
PARTS”
Symbol for “MANUFACTURE
DATE”
Symbol for “SERIAL NUMBER”
Symbol for “MANUFACTURER”
Symbol for “DIRECT CURRENT”
Symbol for “ENVIRONMENT
PROTECTION – Waste electrical
products should not be disposed of with
household waste. Please recycle where
facilities exist. Check with your local
authority or retailer for recycling advice”
To ensure the accuracy of measurement, please follow below instructions when
you start measurement.
Place the scale on a flat, hard surface. Soft surface such as carpet will affect the
performance of the scale.
Step onto the platform with bare feet. Stand still and keep full contact with the electrodes
until the measurement is complete.
Start measurement at least two hours after Getting up or Dinning.
Avoid measurement immediately after strenuous exercise, sauna or bath, drinking, and
dinning.
CAUTION
Transtek’s Body Fat Analyzer GBF-1251-B1 offers you a seamless way to manage your
health. Please be aware that this device is designed for healthy population over 10 years old
self-measuring and self-monitoring body compositions. Any information provided by this
device is in no way meant to treat, cure or prevent any disease or illness from happening.
If in doubt, contact your physician.
This device is contraindicated for any female subject who may be suspected of, or is
pregnant. Otherwise, the effects of this device on the fetus are unknown.
This device is contraindicated for any person who is connected to a wearable or implantable
electronic device or instrument such as a pacemaker or defibrillator.
This device should not be used for anyone who is acutely or chronically ill because of
suffering from a disease or taking medications that affect your water levels. The accuracy of
readings for these patients has not been verified. Specific medical advice should be obtained
from a physician.
GBF-1251-B1 is equipped with data transmission function. It may emit electromagnetic
energy so as to perform its intended function. Nearby portable and mobile RF communications
equipment can affect the performance of GBF-1251-B1. And the device can interfere vicinity
electrical equipment.
Manufacturer will make available on request circuit diagrams, component parts list,etc.
WARNING:No modifications of this equipment is allowed. This may result in increased
EMISSIONS or decreased IMMUNITY of GBF-1251-B1.
Please use the device according to the user manual. Any misuse can cause electric shock,
burns, fire and other unexpected hazards.
Please use and storage the device under the environment which was provided in the user
manual.
Don’t expose the device to extreme temperatures, direct sunlight, moist or corrosive
environment.
Do not step on the scale when your body or feet are wet, especially after bathing or
showering to prevent slipping.
Always start measurement in the same time slot and on the same scale located on the
same flat, hard surface.
For maximum accuracy and repeatability , it is recommended that you should use the
device in the same time of the day and on the same location.
The condition of the skin on the bottom of your feet can affect the reading. The natural
effects of aging or activity can make this skin hard. Take the reading with clean, slightly
damp feet for best accuracy. If you are having a problem on operating this scale please
contact customer service.
Body fat percentage estimates will vary with the amount of water in the body, and can
be affected by dehydration or over-hydration due to such factors as alcohol consumption,
menstruation, illness, intense exercise, etc.
To prevent you from injury, please pay attention to the following Notice.
Small parts being inhaled or swallowed.
Potential allergic reactions to accessible materials used in the ME EQUIPMENT.
Contact injuries.
Use accessories, detachable parts and materials not described in the instructions for use.
A list of known devices or other sources that can potentially cause interference problems
(example 1 Heat from a fireplace or radiant heater. example 2 Moisture from a nebuliser
or steam kettle).
The effects of degraded sensors and electrodes, or loosened electrodes, that can degrade
performance or cause other problems
The effects caused by pets, pests or children
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OverviewOverview
Device Components
LCD Display
Electrode
Up Sensor Key
Set Sensor Key
Down Sensor Key
Electrode
UNIT Key
Battery Compartment
LCD Display
Body Fat Level: Low
Body Fat Level: Normal
Body Fat Level:Above Average
Body Fat Level: High
User Interface: Setting
Body Mass Index
Percentage
Foot
Centimeter
Age
Man
Sportsman
List
1. Body Fat Analyzer GBF-1251-B1
2. Four AAA-size Batteries (1.5V each)
3. User Manual
Body Fat Analysis Result
Muscle Mass Analysis Result
Water Analysis Result
Bone Mass Analysis Result
Pound
Kilogram
Woman
Sportswoman
User ID (Range from U1 to U8 )
Successful Bluetooth Connection
Data transmitting / pending to
transmit to wireless wellness system
Low Battery
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Initial Start-UpInitial Start-Up
General Instructions
Transtek Body Fat Analyzer GBF-1251-B1 applies BIA (Bio-impedance Analysis)
technology. A small amount of weak current flows through the human body so as to detect
the bio-impedance and estimate BMI, body fat, body water, muscle mass and bone mass.
The electrical current is small and may not be felt.
This BIA technology is cheap, safe, non-invasive, toxic-free and harmless. It also
possesses the characteristics of simple operation and abundant information.
The current mentioned above is less than 0.5mA. However, please be aware that
anyone with an wearable or implantable medical electronic instrument, such as a
pacemaker, must avoid using this device.
The intended use of this device is for healthy children 10-17 years old and healthy adults.
Power Supply
Battery Mode: 6V, 4 x AAA batteries
Battery Life: Approx. 120 days
(Battery capacity: 230 mAH. If measured three times per day, each measurement takes about 46s.
The current for measurement is about 30 mA , while the current when shutdown is about 30 uA.)
Insert the Batteries
Open the battery door in the back of the scale.
Insert the batteries (4 x 1.5V AAA) into the battery
compartment according to the polarity indications
marked inside the compartment.
* The digits “ ” will be shown on the LCD.
Pair-Up
With the advanced Bluetooth 4.0 technology applied, the mobile or portable equipments,
which are equipped with Bluetooth function in line with BLE Technical Specifications
established by global organization Bluetooth SIG, are capable to receive your personal
health data.
Turn on Bluetooth and the App. Make sure both are ON when pair-up is proceeding.
Press and hold “UNIT” button in the back of the scale to start pair-up.
Symbol and symbol will be shown on the
LCD alternatively, indicating pair-up is proceeding.
If SUCCEED, symbol will be shown on the LCD.
If FAIL, symbol “E1” will be shown on the LCD.
Close the battery door and wait until the digits “ ”
are shown on the LCD.
CAUTION
When the symbol appears, the device will power off. Then you shall replace with a new set of
batteries. Please replace all four batteries at the same time. Do NOT mix the old batteries with the new
one.
Worn batteries are hazardous waste. Do NOT dispose of them together with the household garbage.
Please refer to the local ordinances and recycling instructions regarding disposal of the worn batteries
and scrapped device.
If you do not intend to use this unit for a prolonged period of time, it is advisable to remove the batteries
before storing.
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