Omron HBF-255T User manual

Body Composition Monitor
HBF-255T
Thank you for purchasing the OMRON Body Composition Monitor.
Before using this unit, please be sure to read this Instruction Manual carefully to understand the safe
and proper use.
Please store this Instruction Manual carefully for future reference.
5649687-9A
Issue date: 2021-3-9

1
HBF-255T
Body Composition Monitor
This unit can measure and display the following parameters.
- Body Weight - Body Fat (in %)
- Visceral Fat (up to 30 levels) - Skeletal Muscle (in %)
- Resting Metabolism (in kcal) - BMI (Body Mass Index)
- Body Age
This unit is intended to be operated by adults who can understand this instruction manual. It is not for professional use in hospitals or
other medical facilities. It is intended for home use only.
Please read this instruction manual carefully before use and for further information on the individual functions.
Contents
Before using the unit...............................................................................................................................2
Notes on Safety...............................................................................................................................................................2
1. Know Your Unit .........................................................................................................................................................4
2. Insert and Replace the Batteries...............................................................................................................................5
3. Pair the Unit with Your Smart Device........................................................................................................................6
4. Set the Date and Time..............................................................................................................................................7
5. Register the Personal Data.......................................................................................................................................8
Operating instructions............................................................................................................................9
6. How to Take a MeasurementAccurately...................................................................................................................9
6.1 Correct postures during the measurement .........................................................................................................9
6.2 About the "0 kg correction" (Caution for storing).................................................................................................9
6.3 How to implement the "0 kg correction"..............................................................................................................9
7. Take a Measurement ..............................................................................................................................................10
8. View the Measurement Results on the unit ............................................................................................................12
9. View the Measurement Results on Your Smart Device ..........................................................................................12
10. Select Your Personal Number and Take a Measurement.......................................................................................13
11. Guest Mode (Unrecorded Mode)............................................................................................................................14
12. Measure Weight Only .............................................................................................................................................15
13. Weight Subtraction Function...................................................................................................................................16
14. Change or Delete Your Personal Data....................................................................................................................18
15.
Delete the Communication Setting.....................................................................................................................................19
Care and maintenance..........................................................................................................................19
16. Maintenance and Storage.............................................................................................................................................19
17. Troubleshooting................................................................................................................................................................20
18. Technical Data ........................................................................................................................................................22
Information on body composition .......................................................................................................23
19. Information on Body Composition...........................................................................................................................23
20. Measurement Results Interpretation Diagrams .....................................................................................................25

2
Before using the unit
Notes on Safety
Symbols and denitions are as follows:
Danger Improper use may cause danger resulting in death or serious injury.
Warning Improper use may result in possible death or serious injury.
Caution Improper use may result in injury or property damage.
Danger
• Never use this unit in combination with medical electronic devices such as:
(1) Medical electronic implants such as pacemakers.
(2) Electronic life support systems such as an articial heart/lung.
(3) Portable electronic medical devices such as an electrocardiograph.
This unit could cause these devices to malfunction, posing a considerable health risk to users of these devices.
Warning:
• Keep the unit out of the reach of infants, toddlers and children. Contains small parts that may cause a choking hazard if
swallowed by infants.
• Do not use the unit on slippery surfaces, such as a wet oor.
• Do not jump onto the unit, or bounce on the unit.
• Do not use this unit when your body and/or feet are wet, such as after taking a bath.
• Stand on the unit bare-footed. Standing on the unit with socks on may cause you to slip and injure yourself.
• Do not step on the edge or display area of the unit.
• Don't place the unit against the wall.
• People with disabilities, or who are physically frail, should always be assisted by another person when using this unit.
• If battery uid should get in your eyes, immediately rinse with plenty of clean water. Consult a physician immediately.
• This product emits radio frequencies (RF) in the 2.4 GHz band. Do not use this product in locations where RF is restricted, such
as on an aircraft or in hospitals.
• As this unit is a precision instrument, do not drop, vibrate, or apply strong shocks.
Caution:
• Do not disassemble, repair, or remodel the unit.
• Do not begin a weight reduction or exercise program without consulting a physician or healthcare specialist rst. Self-diagnosis
could injure your health.
• During measurement, make sure that no mobile phone or smartphone is near this device. This may result in incorrect operation
of the device and/or cause an inaccurate reading.
• Use batteries specied for this unit. Do not insert the batteries with the polarities in the wrong direction.
• Replace worn batteries with new ones immediately.
• Do not use batteries of different manufacturers or brands together.
• Do not use new and worn batteries together.
• Do not use batteries which have passed the recommended use-by date.
• Remove the batteries from this unit when you are not going to use it for a long period of time (approximately three months or
more).
• If battery uid should get on your skin or clothing, immediately rinse with plenty of clean water.
• Do not dispose of batteries in re.
• Always wash your feet before using the unit. If you are suffering from a foot infection or other skin disease, you may cause
infection to other people.
• When the unit will be used by several people, wipe the unit with a damp cloth moistened with mild detergent after using it. Then
wipe it dry.
• Do not use this unit for purposes other than described in this manual.
• This unit is not for professional use in hospitals or other medical facilities. It is intended for home use only.

3
Data Transmission
• Do not replace the battery while your measurement result is being transferred to your smart device. This may result in the
incorrect operation of your monitor and failure to transfer your measurement result.
• Do not place integrated circuit cards, magnets, metal objects, or other devices that emit electromagnetic elds near this monitor
while your measurement result is being transferred to your smart device. This may result in the incorrect operation of your unit
and failure to transfer your measurement result.
Incorrect Measurement
Incorrect measurement might occur to the following users:
Elderly people (over 81 years old) / People with a fever / Body builders or highly trained athletes / Patients undergoing dialysis /
Patients with osteoporosis who have very low bone density / Pregnant women / People with swelling.
• Because the body composition such as body water might greatly deviate from the average value.

4
Before using the unit
1. Know Your Unit
Main Unit
Foot Electrodes
Foot Electrodes
Display
1
1
2
23 3
4
45 56 67 7
Power Touch Button
• Touch this button to turn on the power and conrm the value and turn off the power (3 seconds or
longer).
Back Touch Button
• Touch this button to conrm the result, select a personal number and set your personal data.
Advance Touch Button
• Touch this button to select a personal number, conrm the result and set your personal data.
Last Button
• Press this button to check the last value.
Back Button
• Press this button to change or delete the personal data.
Transmission Button
• Press this button to pair the unit with your smart device.
OFF Button
• Press this button to turn off the power.
Display
Battery Symbol (low/depleted)
Weight Symbol
Lights when only
measuring the body weight. Gender Symbol
Birth Date, Date Symbol
Bluetooth Symbol
Displays when the measurement
results are being transferred.
SYNC Symbol
Blinks or displays when the
measurement results need to be
transferred because the stored
memory is either almost,
or completely full.
Personal Number Symbol
Lights when personal number
is displayed.
Body Fat Percentage, Visceral Fat Level, Skeletal
Muscle Percentage Indicator
Parent-child Symbol
Lights when Weight Subtraction
function starts.
Child Symbol
Lights when the subtracted body
weight value is displayed.