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WITHINGS
PRODUCT GUIDE
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32 This guide explains how to use your Withings Body Scan, and gives
additional regulatory information on how to use the Withings ECG
Monitor on your Withings Body Scan. It applies to users in Europe,
United Kingdom, Switzerland, Australia, New Zealand and Hong Kong.
EN – NON-US REGIONS
USER GUIDE
Important notice
Before using Withings Body Scan, review the information
in this guide. You may also find this guide online at:
https://www.withings.com/guides
For more information on how to use the Withings ECG
Monitor with your Withings Body Scan, please refer to
the Withings ECG Monitor Instructions for Use, available
at: https://www.withings.com/guides
Retain this documentation for future reference.
Installation instructions are available within the Quick
Start Guide provided with this user guide. Please contact
Withings when in need of assistance, setting up, using or
maintaining the device or to report unexpected operations
or events. Any serious incident that has occurred in relation
to the Withings Body Scan should be reported to Withings
and competent authorities in your country of residence.
Disclaimer
Information in this guide may change without notice.
WITHINGS,
2 rue Maurice Hartmann,
92130 Issy-les-Moulineaux,
FRANCE 1282
Intended Use (Non-US Regions)
Contraindications
Withings Body Scan is a connected smart scale providing
the following features without medical purposes:
- measure weight
- calculate Body Mass Index (BMI)
- measure body composition
- measure pulse rate
- measure pulse wave velocity
- estimate vascular age
Additionally, Withings Body Scan is intended to detect and follow-up
peripheral autonomic neuropathies in an adult population
by performing measurements on the feet, on intact skin or in the
presence of damaged skin, such as, but not limited to, blisters,
callosities or wounds.
Withings Body Scan comprises electrodes intended to acquire
an ECG signal used by Withings ECG Monitor.
Do not use the Withings Body Scan if you have a cardiac pacemaker,
an implantable cardioverter-defibrillator (ICD), or other implanted
electronic devices.
Warnings & safety notice
!
- Self-diagnosis and self-treatment can be dangerous.
Always consult your doctor in case of questions or doubt.
- If you are pregnant, accuracy may be impacted for body
composition analysis, Nerve Health Score, vascular age and
ECG. Consult your doctor during pregnancy.
- The use of medication with anticholinergic agents may impact
Nerve Health Score results. Ask your doctor about the medications
you take if you are not sure whether they have anticholinergic
properties.
- Drinking alcohol 24 hours prior to taking a measurement may
aect the results of the Nerve Health Score.
- Misuse of the device can cause injury.
- Measurement results may be impacted in case of lower limb
amputation bigger than toes.
- Do not step on the scale with wet feet or hands.
- The device is not intended to continuously monitor vital signs
in critical conditions or where the nature of the variations is
such that it could result in immediate danger to the user.
- The device does not provide alarms.
- Keep away from children and pets. Small parts may be inhaled
or swallowed.
- Exposing the device to prolonged lint, dust or light (including
sunlight) may reduce its lifetime or damage it.
- Inspect electrodes for warping, surface damage or corrosion
and check for any other form of damage.
- Do not use Withings Body Scan if it is damaged. Use of a damaged
device could cause injury or equipment failure.
- Do not submerge the scale or any of the components in water.
- Do not try to repair or modify this equipment yourself. No service
or repairs should be performed on the Withings Body Scan other
than the maintenance listed in the device’s instructions for use.
- Do not use accessories, detachable parts, or materials not described
in the instructions for use. Use of parts and components other
than those specified or provided by the manufacturer of this
equipment could result in increased electromagnetic emissions
- Do not try to repair or modify this equipment yourself. No service
or repairs should be performed on the Withings Body Scan other
than the maintenance listed in the device’s instructions for use.
- Do not use accessories, detachable parts, or materials not described
in the instructions for use. Use of parts and components other
than those specified or provided by the manufacturer of this
equipment could result in increased electromagnetic emissions
or decreased electromagnetic immunity of this equipment and
result in improper operation.
- Portable RF communications equipment (including peripherals
such as antenna cables and external antennas) should be
used no closer than 30 cm (12 inches) to any part of the device,
including cables specified by the manufacturer. Otherwise,
degradation of the performance of this equipment could result.
- Use of this equipment adjacent to or stacked with other equipment
should be avoided because it could result in improper operation.
If such use is necessary, this equipment and the other equipment
should be observed to verify that they are operating normally.
- Do not interconnect this equipment with other equipment not
described in the instructions for use.
- Follow operational and storage conditions as described in
the technical specifications section of the device’s instructions
for use. Otherwise, measurement results may be impacted.
- To recharge the battery, use a power cord that complies with
the safety standards of the country in which it is used and that
matches the voltage of the power outlet.
- The power cord of the charger and the handle cable may cause
a strangulation eect due to excessive length. Keep it away
from children and pets.
- Do not open or disassemble the device for battery replacement.
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54
How to use Withings Body Scan
and take a first measurement
How Withings Body Scan obtains a Nerve Health Score
- The Nerve Health Score is based on a Galvanic Skin Response
measurement which consists of a chronoamperometric
measurement of the feet. It provides an accurate evaluation
of sweat gland function, also called sudomotor function.
- Withings Body Scan measures the ability of the sweat glands
to release chloride ions in response to an electrical stimulus on
the soles of the feet, the area with the highest sweat gland density.
- The measurement focuses on small nerve fibers that stimulate
the sweat glands. The degeneration of these small nerve fibers
reduces sweat gland stimulation and impairs the sudomotor
function.
What is a Nerve Health Score?
Taking a Nerve Health Score
Measurement
How to obtain a Nerve Health Score
- Make sure the Withings Body Scan is on a stable floor, and
that you have activated and enabled a Nerve Health Score
measurement in the Withings application.
- Optional: grab the handle. Please note that the measurement
does not require holding the handle. A Nerve Health Score
measurement can be performed even if the handle is in
its storage position.
- Step on the scale with bare feet. Make sure your feet are clean
and well positioned on the electrodes. See images below to
ensure your feet are well positioned.
- Withings Body Scan will deliver a final Nerve Health Score
reading at the end of each month. The reading might be
inconclusive if we were not able to accurately assess your
score. We might invite you to take a Guided Scan measurement
in specific conditions in order to get a result. To get the most
accurate measurements always take the Nerve Health Score
measurements in the conditions described in the Guided Scan.
- Follow the information in the Quick Start Guide and in the
Withings application to set-up your device.
- To wake up your device for the first time, please press the power
button for 3 seconds. If your product is not starting, consider
charging it for a minimum of three hours and try again.
- Once your product is installed and configured, it will appear
in your devices list in settings.
- You may have to follow some tutorials in the Withings application
in order to activate some measurements. Withings ECG Monitor
requires you to follow a tutorial for the activation of the metric.
- To take the first measurement, grab the handle (optional)
and step on the scale with bare feet. Your name, or trigram
(as configured in the app), will appear on the scale’s screen
at the end of the weight measurement: it means your scale
has correctly identified you and the measurements sequence
(as defined in the app) will follow.
- If it is not the case, the measurement will most likely appear
in “Unknown Measurements” in the application. Please assign
it to your user so that the scale can automatically recognize
the user during the next weigh-in.
Signs of Neuropathy
Your Nerve Health Score is lower than
average. This may be a sign of peripheral
neuropathy, or damage to the nerves in
your feet. To better understand if you
are at risk for peripheral neuropathy, talk
with a healthcare professional. Always
consult with your doctor before making
any medical decisions. You can help keep
your nerves healthy by taking care of
your overall health. This includes healthy
eating, getting regular physical activity,
and working with your doctor to manage
any health issues that you may have.
Results on the device
Normal
Your Nerve Health Score is normal.
You can help keep your nerves healthy
by taking care of your overall health.
This includes healthy eating, getting
regular physical activity, and working with
your doctor to manage any health issues
that you may have.
Results on the device
Pending
The reading might be inconclusive or
in progress if we are not able to accurately
assess your score. We might invite you
to take a Guided Scan measurement in
specific conditions in order to get a result.
To get the most accurate measurements
always take the Nerve Health Score
measurements in the conditions described
in the Guided Scan.
Results on the device
Nerve Health Score Outputs
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76 Troubleshooting — Withings Body Scan
If you cannot fix the problem using the following troubleshooting instructions, please contact Withings or go to: withings.com/support
Problems Solutions
Scale does not wake up when I step on it. - Make sure your Withings Body Scan has enough battery life.
Recharge your scale if necessary as described in this user guide.
- Battery in sleep mode (before installation/configuration).
I’m having syncing issues with my scale. - Make sure that your Withings Body Scan appears in Devices
in the Withings Application. If not, please install it.
- Make sure your Withings Body Scan has enough battery life.
Recharge your scale if necessary using the included USB-C power
cable. When plugged in, your Withings Body Scan will display
the percentage of battery left.
- If your Withings Body Scan is configured with Wi-Fi, make sure
your router is plugged in, that your Wi-Fi is operational and
that the scale is in range of your router.
- If necessary, reboot your scale. Press and hold the button of
your scale for 20 seconds.
- If necessary, reboot your mobile phone.
I want to change the units of my scale (lb, kg, st lb). - Press the button located on the front side of your scale.
- Press the button again to make the arrow point towards
the right unit.
- Press the button once more and maintain it until the progress
bar is complete.
Technical specifications Wireless information
Product Name: Withings Body Scan
Model: WBS08
ECG Sensors: 2 stainless steel electrodes (handle) and 1 ITO
electrode (glass plate)
Battery Operated: 1 year typical use on a single charge
Power Source: Power internally by a 3.6 Vdc Lithium ion battery
(use the USB-C charging cable included) and a DC 5V power adapter
with a minimum power of 3W and a maximum power of 5W.
Heart Rate Measurement Range: 30 bpm to 230 bpm
Display: Color 3.2inch LCD screen
Weight Withings Body Scan: 4.8kg (10.6lb)
Operation time: 60 seconds
Parts in contact with the skin: Glass plate of the scale and
Handle with its electrodes
Weight Units: Kilograms (kg), Pounds (lb), Stone (st lb)
Weight range: 5kg - 200kg I 11lb - 440lb I 1st - 31st
Nerve Health Score measurement accuracy: <0.1%
Transport and storage conditions:
Max altitude: 2000m
Operation conditions:
Max altitude: 2000m
IP Protection level:
Mode of operation: Continuous Operation
Expected product life: 3 years
Wireless Specifications
Mode Frequency Band (MHz) Maximum Output Power (dBm)
BT LE 2402-2480 5 dBm, 2.4G
WLAN 2412-2472 16 dBm
The wireless communication of the device is supported by BLE
and Wi-Fi communication. This communication is established
between the device and the Withings application.
The communication between the device and the Withings
application is encrypted through an exchange of a paired key.
The communication latency between the device and the Withings
application takes less than 10 seconds when the device and the
smartphone are less than 16 feet (5 meters) apart.
The communication between the device and the Withings
application is not modified with sources of interference located
within 5 meters. Wireless coexistence has been tested in
accordance with the following standards:
- ANSI C63.27:2017 and,
- AAMI TIR69:2017
Electromagnetic disturbances have been tested in accordance
with the standard IEC 60601-1-2:2014.
-10°C (14°F) — 50°C (122°F)
10% — 90%
86kPa — 106kPa
5°C (41°F) — 35°C (95°F)
20% — 80%
86kPa — 106kPa
IP22
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98
EN
Cleaning, Maintenance and Storage
Europe - EU Declaration of Conformity
Cleaning and maintenance of Withings Body Scan
- It is recommended to clean the glass plate and the handle
electrodes of the scale before each measurement.
- Use only a cloth dampened with warm water to clean your scale.
The use of any detergents or cleaners may cause irreversible
damage to the conductive coating on top of the glass plate.
- Do not use the device while doing cleaning and maintenance
operations.
- To recharge the battery, follow instructions in this guide.
Storage
- After a measurement using the handle, lower slowly so it rolls
back into the scale without any sudden drop.
- Store the device in a clean and safe location between use.
- If storage conditions are dierent from the operating conditions
indicated in the technical specifications, wait 30 minutes before
taking a measurement
Withings hereby declares that the device Withings Body Scan is
in conformity with the essential requirements and other relevant
requirements of the applicable EU Directives and Regulations.
The full text of the EU declaration of conformity can be found at:
withings.com/compliance
Withings Body Scan contributes to early detection of peripheral
autonomic neuropathy. It facilitates patient screening and helps
physicians treat the disease earlier and thus attenuates the impact
of the disease on the population. It allows users to monitor
disease advancement or regression. It also increases awareness
of physiological conditions in the general user population.
Withings Body Scan’s ability to accurately measure Electrochemical
Skin Conductance (ESC), also known as Galvanic Skin Response (GSR),
was validated in a clinical study by comparison with a reference
device, the Sudoscan. The mean dierence (resp. standard
deviation of paired dierences) was 1.6 (resp. 3.5).
RF Statement
Medical electrical equipment needs special precautions regarding
EMC and needs to be installed and put into service according
to the EMC information provided in the accompanying documents.
Portable and mobile RF communications equipment can aect
medical electrical equipment.
Guidance and manufacturer’s declaration-electromagnetic emissions
The device is intended for use in the electromagnetic environment specified below.
The customer or the user of the device should ensure that it is used in such an environment.
Emissions Test Compliance Electromagnetic environment – guidance
CE emissions CISPR11 Group 1 The device uses RF energy only for its
internal function. Therefore, its RF emissions
are very low and are not likely to cause any
interference in nearby electronic equipment.
RE emissions CISPR11 Class B
Harmonic emissions
IEC 61000-3-2
Not applicable The device is suitable for use in all establish-
ments, including domestic establishments
and those directly connected to the public
low-voltage power supply network that
supplies buildings used for domestic purposes.
Voltage fluctuations/
Flicker emissions
IEC 61000-3-3
Not applicable
Safety and performance
1282
Safety and performance
Declaration: electromagnetic emissions and immunity for equipment and systems that are not life-supporting
and are specified for use only in a shielded location.
Declaration – electromagnetic immunity
Withings Body Scan is intended for use in the electromagnetic environment specified below.
The customer or the user of the Withings Body Scan should ensure that it is used in such an environment.
Immunity test IEC 60601 Test Level Compliance Level Electromagnetic environment – guidance
Conducted RF
IEC 61000-4-6
3 Vrms
150kHz to 80MHz
N/A N /A
Radiated RF
IEC 61000-4-3
3 V/m
80 MHz to 2.5 GHz
N/A Portable and mobile RF communications equipment should be used no
closer to any part of the equipment or system including cables than the
recommended separation distance calculated from the equation applicable
to the frequency of the transmitter. Interference may occur in the vicinity of
equipment marked with the following symbol: .
Electrostatic discharge (ESD)
IEC 61000-4-2
Contact: ±8 kV
Air: ±2 kV, ±4 kV, ±8 kV, ±15 kV
Contact: ±8 kV
Air: ±2 kV, ±4 kV, ±8 kV, ±15 kV
Floors should be wood, concrete, or ceramic tile. If floors are covered
with synthetic material the relative humidity should be at least 30%.
Electrical fast transient/burst
IEC 61000-4-8
2 kV for power supply lines
1 kV for input/output lines
N/A The main power quality should be of the kind used in a typical commercial or
hospital environment.
Surge IEC 61000-4-5 1 kV differential mode
2 kV common mode
line(s) to line(s):
+/- 1kV
The main power quality should be of the kind used in a typical commercial or
hospital environment.
Voltage dips, short
interruptions and voltage
variations on power supply
input lines IEC 61000-4-11
-5% UT (95% dip in UT) for 0.5
cycles, -40% UT (60% dip in UT)
for 5 cycles, -70% UT (30% dip in
UT) for 25 cycles, -5% UT (95%
dip in UT) for 5 sec
N/A The main power quality should be of the kind used in a typical commercial
or hospital environment. If the user of the equipment or system requires
continued operation during power main interruptions, it is recommended
that the equipment or system be powered from an uninterruptible power
supply or a battery.
Power frequency (50/60Hz)
magnetic field IEC 61000-4-8
30 A/m
50 Hz or 60 Hz
30 A/m
50 Hz or 60 Hz
The power frequency magnetic field should be at levels characteristic
of a typical location in a typical commercial or hospital environment.