version:1.0
User Manual
Scale & Body Fat Analyzer Model # 21300
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.
Thank you very much for selecting the Zewa Scale & Body Fat Analyzer
21300.
Contains FCC ID: REW-LSN8001
12960 Commerce Lakes Drive # 29
Fort Myers, FL 33913
USA
www.zewa.com
Manufactured for Zewa, Inc.
Toll Free Customer Service:
1-888-993-3592
warranty@zewa.com
1
Table of Contents
Table of Contents
Safety Information
Your Scale and Its Environment
Efficient Use of Your Scale
Overview
Device Components
LCD Display
Initial Start-Up
General Instructions
Insert the Batteries
Pair-up
Start Measuring
Measurement Unit
Daily Measurement
Manage Your Health
Data Transmission
Troubleshooting
Error Prompt
When Measuring ...
When Data Transmitting...
Specifications
Maintenance
FCC Regulations
Appendix
Table of Body Fat Level
Data Recognition
Health Tips – About Body Fat
EMC Guidance
3
3
4
5
6
6
7
8
8
9
10
10-11
12
13
14
15
16
9
16
17-20
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Safety and Usage Information
2
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Table of Body Weight BMI
........................................................................................................
16
2 3
Safety Information Safety 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 and Usage Information
INDICATIONS FOR USE
The Zewa Body Fat Analyzer measures weight and uses bio-electrical impedance analysis
(BIA) technology to estimate body fat in generally healthy adults 18 years of age or older.
It is intended for use in the home / domestic setting only.
To ensure your safety as well as the service life of your scale, please avoid using
the scale under the following circumstances:
Concurrent use of this device and implantable medical electronic instruments, e.g.
Cardiac Pacemaker
Concurrent use of this device and wearable medical electronic instruments, e.g.
electrocardiograph
Concurrent use of this device and other medical electronic instruments for life support,
e.g. mechanical heart
Slippery floor such as tile floor
Jumping onto the platform immediately after bath or with wet hands
Near a cell phone or microwave oven
Avoid storage in the following locations:
Where there is water
Where the device may be exposed to extreme temperatures, humidity, moisture, direct
sunlight, dust, or salt air
Where there is risk of shock or drop
Where you store chemicals or full of corrosive gases
Where in reach of the infants or children
Your Scale and Its Environment
Efficient Use of Your Scale
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.
Always start measurement in the same time slot and on the same scale located on the
same flat, hard surface.
CONTRAINDICATIONS
1. This device is contraindicated for any female subject who may be suspected of, or is pregnant.
Besides provided inaccurate readings, the affects of this device on the fetus are unknown.
2. 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.
Symbol for “THE OPERATION
GUIDE MUST BE READ”
Symbol for “MANUFACTURER”
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”
Symbol for “TYPE BF APPLIED
PARTS”
The Bluetooth Combination Mark
Symbol for “SERIAL NUMBER”
Symbol for “DIRECT CURRENT”
Symbol for “INDOOR USE ONLY”
Zewa’s Body Fat Analyzer 21300 offers you a seamless way to manage your health. Please be
aware that this device is designed for adults’ self-measuring and self-monitoring body fat level.
Any information provided by this device is in no way meant to treat, cure or prevent any disease
or illness from happening. This device should not be used by anyone who is acutely or
chronically ill, 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.
21300 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 21300.
Portable and mobile RF communications equipment can affect the measuring accuracy of
21300.
Kindly note that the use of accessories, transducers or cables other than those specified, with
the exception of transducers and cables sold by the manufacturer as replacement parts for
internal components, may result in increased EMISSIONS or decreased IMMUNITY of 21300.
Be aware that misuse of electrical equipments can cause electric shock, burns, fire and other
hazards.
Warning that the 21300 should not be used adjacent to or stacked with other equipment.
Manufacturer will make available on request circuit diagrams, component parts list, etc.
WARNING: No modifications of this equipment is allowed.
During using the Analyzer, the patient will contact with the surface and the electrode of the
Analyzer.
CAUTION
Symbol for “MANUFACTURE
DATE”
4
5
Overview Overview
List
1. Body Fat Analyzer 21300
2. Four AAA-size Batteries (1.5V each)
3. User Manual
Device Components
LCD Display
Electrode
Battery Compartment
UNIT Button
Electrode
Stone
Pound
Kilogram
Successful Bluetooth Connection
Data transmitting / pending to
transmit to wireless wellness system
Low Battery
LCD Display
7
6
Initial Start-Up Initial Start-Up
Zewa Body Fat Analyzer 21300 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 body fat. 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 1mA. 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 adult’s indoor use only.
General Instructions
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 “8888” will be shown on the LCD.
Close the battery door and wait until the digits
“0.0lb” 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.
If SUCCEED, symbol will be shown on the LCD.
If FAIL, symbol “E1” 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 Zewa 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.
Bluetooth Module No. : nRF8001
Frequency Range
Output Power Range
Supply Voltage2.402 - 2.480 GHz
0 dBm
3.3 V
The Zewa App is now available in App Store
You may search and install the Zewa app in your smartphone.
9
8
Start Measuring Manage Your Health
With batteries correctly installed, press “UNIT” button in the back of the scale to select
measurement unit. The default measurement unit is “pound”. You may press “UNIT”
button to choose among pound, kilogram and stone.
Select Measurement Unit
With original SENSE ON patent technology, 21300
will automatically switch on as you step on the platform
barefooted.
Stand still and keep full contact with the electrodes until
the LCD stops displaying moving “o”.
When your scale is successfully paired with your smartphone, please
open the Zewa App and turn on your Bluetooth. Keep smartphone and
scale in transmission distance. Then the measurement data will automatically
transferred to the app.
(Please refer to Data Transmission for more details.)
Daily Measurement
The symbol will disappear after successful data
transmission, and you may check your personal
health data stored in your smartphone.
If the data transmission fails, the symbol will
remain. The pending measurement data will be
temporarily kept in the scale and transmitted to your
smartphone when next measurement is complete.
Successful Bluetooth
Connection
Data transmitting to
wireless wellness system:
-If SUCCEED, the symbol
disappears;
-If FAIL, the symbol
remains.
Data Transmission
CAUTION
Interference may occur in the vicinity of equipment marked with the following symbol . And
the Analyzer may interfere vicinity electrical equipment.
To enable the data transmission function, this product should be paired to a Bluetooth 4.0 end.
How to mitigate possible interference?
1. The range between the Analyzer and the Bluetooth end should be reasonably close, from 1
meter to 10 meters. Please ensure no obstacles between the Analyzer and the Bluetooth end
so as to obtain quality connection.
2. To avoid interference, other electronic devices (particularly those with Bluetooth transmission
/ Transmitter) should be kept at least 1 meter away from the Analyzer.
Data Recognition
After the weight data is transmitted successfully, you can check the measurement result
in your smartphone.
According to the results, the weight will match the claimed user with closest weight stored
in the Zewa App automatically. If there are two or more users sharing very similay body
characteristics, or if there is a big deviation between the connect user and the result, the
App will require confirmation to assign the result, then you may select a user manual.
Once 21300 is successfully paired-up with your smartphone,
please open the Zewa App and turn on your Bluetooth. Keep
smartphone and scale in transmission distance. Step on the
scale and take a measurement. Once the measurement is
finished the data is automatically transferred to the app.
11
10
Troubleshooting Troubleshooting
Error Prompt
Error Description Solution
Overload. The device will
power off.
Stop using this scale for
measurement.
Low Battery. The device
will power off.
Replace all four batteries at the
same time. Please purchase the
authorized batteries for
replacement.
Please check below items:
-Bluetooth is ON.
-App Collector is ON.
-Both devices are within the
transmission distance of Bluetooth.
Failure of pairing up.
Problem Root Cause Solution
Incorrect posture
Abnormal
measuring results:
- Too high; OR
- Too low; OR
- Huge difference
between two recent
measurement.
Please step on the platform
barefooted and stand still.
The device is located on
the soft ground such as a
carpet OR on a rugged
surface.
Please place the device on a
flat, hard surface.
Warm up your hands and feet to
resume blood circulation and then
measure again.
Cold body that may
results in bad blood
circulation.
When Measuring ...
Problem Root Cause Solution
Cold Electrodes.
Either your hands or your
feet are too dry.
Abnormal
measuring results:
- Too high; OR
- Too low; OR
- Huge difference
between two recent
measurement.
No display on
LCD when the
device powers on.
CANNOT proceed
to analyze body fat.
The device
powers off
automatically.
Place the device in a warm
room for a while and then
measure again.
Wipe your feet with a damp
cloth, keeping them slightly damp
when starting measurement.
Batteries not yet installed.
Worn batteries.
Low battery.
Install the batteries.
(Please refer to Insert the
Batteries)
Replace all four batteries at the
same time. Please purchase the
authorized batteries for
replacement.
Step onto the platform
wearing socks or shoes.
Please keep barefooted during
the measurement, and keep full
contact with the electrodes as
well.
Replace all four batteries at the
same time. Please purchase the
authorized batteries for
replacement.
1312
SpecificationsTroubleshooting
Problem Root Cause Solution
Bluetooth is OFF.
Data transmission
failed.
Turn ON the Bluetooth via
“Setting >> General >> Bluetooth”.
App is OFF.
Press the icon to turn ON your
app.
Place your smartphone closer to
the scale.
Out of range of Bluetooth
transmission.
When Data Transmitting ...
Specifications
About the Accuracy of This Product
This product passes strict inspection before delivery and therefore its accuracy is guaranteed by the manufacturer.
Please refer to the above table for the descriptions on accuracy.
This product is specially designed for body fat analysis as well as weight measurement. It should NOT be used by
anyone during the process of transaction for verification of goods’ weight.
Product Name
Dimension
Body Fat Analyzer (BF-1255-B)
Scale: 310x310x31mm
Net Weight
Approxim ately 1.63kg ( Excluding the dry cells)
Display
Digital LCD with White Backlight
Measurement Unit
Kilogram / Stone/ Pound
Measurement Range
5kg to 180kg / 0st: 11lb to 28st: 5lb / 11lb to 397lb
Division
0.1kg / 0.2lb
Accuracy
5-50kg: ±0.3kg;
100-150kg: ±0.5kg;
Working Environment
Temperature: 0℃ to 40℃
Humidity: 10%RH to 93% RHStorage Environment
Temperature: -20℃ to 60℃
Power Source
6V (Four AAA-size Batteries)
Turn on Method
SENSE ON technology
Auto-OFF
Accessories
1. Four AAA-size batteries
2. User Manual
50-100kg: ±0.4kg;
150-180kg: ±0.7kg
Humidity: ≤90% RH
Mode of Operation
Continuous Operation
The scale will turn off after about 10 seconds if there is
no operation
15
14
Maintenance
FCC Regulations
When carrying out usual maintenance, please ensure practice of the following Do’s and
Don’ts:
Maintenance
DO use a dry soft cloth to wipe the dust.
DO use a wet soft cloth, dipped into water and wrung out, to wipe the dirt. Then use a
dry soft cloth to dry up the device.
DON’T wash the device with water or immerse it in water.
DON’T use propellant, abrasive or other chemicals to wipe the dirt in avoidance of
discolor or malfunction.
DON’T disassemble this device. If you have any problems, please contact Transtek.
(Please refer to Warranty for contact information)
Do not dispose of batteries in fire.Batteries may explode or leak. Remove the batteries if
the scale will not be used for a long period.
FCC User Guide Information
Radio Frequency Interface Requirements - FCC
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.
Radio Transmitters (Part 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.
Changes or modifications not expressly approved by the party responsible for
compliance could void the user’s authority to operate the equipment.
FCC RF Exposure Guidelines
Safety Information
Reducing RF Exposure - Use Properly
Only operate the device in accordance with the instructions supplied.
This device complies with FCC radiation exposure limits set forth for an uncontrolled
environment. In order to avoid the possiblity of exceeding the FCC radio frequency
exposure limits, human proximity to the antenna shall not be less than 20 cm (8 inches)
during normal operation.
FCC Regulations
17
16
AppendixAppendix
Fat is essential for human body. It can not only store energy and protect viscera, but also
regulate body temperature and maintain normal physiological function of human body.
However, too much body fat is harmful to human body. It is always accompanied by Fatty
Liver, diabetes, coronary heart disease, etc.
Therefore self-measuring and self-monitoring body fat level are beneficial to your health.
Since we can’t judge body fat level simply by our weight, this body fat analyzer 21300, with
BIA (Bio-impedance Analysis) technology applied, is an accurate device that offers a quick
and comfortable way to obtain your body fat level.
Health Tips - About Body Fat
Table of Body Fat Level (Unit: %)
Standard for Men
Rating
low
Normal
Moderately High
High
Age
20-29
<13 <14 <16 <17 <18
14-20 15-21 17-23 18-24 19-25
21-23 22-24 24-26 25-27 26-28
>23 >24 >26 >27 >28
30-39 40-49 50-59 60+
Standard for Women
Rating
low
Normal
Moderately High
High
Age
20-29
<19 <20 <21
<22 <23
20-28 21-29 22-30
23-31 24-32
29-31 30-32 31-33
32-33 33-35
>31 >32 >33
>34 >35
30-39 40-49
50-59 60+
a) The body fat percentage (%): 5%-60%/0.1%
Source: University of Illinois Department of Food Science and Human Nutrition.
Body Fat Percentage Calculator.
www.ag.uiuc.edu/~food-lab/ai/bfc.html
EMC Guidance
Tabl e 1 – G uidanc e and
MANU FACTUR ER’S
de clar ation –
ELE CTROMAG NETIC EMISSION S
for all
ME EQUIP MENT
and
ME SYSTE MS
Guid ance a nd m anufactu rer’s d eclarat ion
– el ectrom agn etic emissions
The device is intended for use in the electromagnetic environment specified below.
The customer or the user of the device should assure that it is used in such an
environment.
Emissions test Compliance Electromagnetic environment-guidance
RF emi ssions
CISPR 11
RF emi ssions
CISPR 11
Harmonic emissions
IEC 61000-3-2
Volt age fluct uations/
flicker emissions
IEC 61000-3-3
Group 2
Class B
Not a pplicabl e
Not a pplicabl e
The device must emit electromagnetic
energy in order to perform its intended
function. Nearby electronic equipment may be
affected.
Table of Body Weight BMI
Rating Range
Normal
Overweight
Obesity
Underweight BMI<18.5
18.5≤BMI≤24.9
25≤BMI≤29.9
BMI≥30
BMI=weight (kg) / [height (m)] ²
BMI=weight (lb) / [height (in)] ² ×703
Colour
Green
Orange
Red
Blue
19
18
Appendix
Not a pplicabl e
Not a pplicabl e
Not a pplicabl e
Tabl e 2 – G uidanc e and
MANUF ACTURE R’S
dec laratio n – ele ctroma gnetic
IMMUNI TY
–
for all
ME EQUIPM ENT
and
ME SYSTEMS
Compliance l evel
Electroma gnetic envi ronment
–
guidance
± 6 k V contac t
± 8 k V air
ro etercnoc ,doow eb dluohs sroolF
ceramic tile. If floors a re cov ered wit h
synt hetic ma terial, the relative humidit y
should be at leas t 30 %.
a fo taht eb dluohs ytilauq rewop sniaM
typic al commerc ial or hospit al
environm
ent.
± 1 k V line(s) to
line(s )
± 2 k V line(s) to earth
a fo taht eb dluohs ytilauq rewop sniaM
typic al commerc ial or hospit al
environm ent.
<5 % U
T
(>95 % di p in UT)
for 0, 5 cycl e
40 % U
T
(60 % dip in UT)
for 5 cycles
70 % U
T
(30 % dip in UT)
for 25 c ycles
<5 % U
T
(>95 % di p in U
T
)
for 5 s
sdleif citengam ycneuqerf rewoP
m/A 3 m/A 3
should be at lev els c haracteris tic of a
typic al lo cation in a typica l commercia l
or hos pital environm ent.
NOTE U
T
is t he a.c. ma ins volt age pr ior to a pplication of the test l evel.
Mains power quality should be that
of a typical commercial or hospital
environment. If the user of the
device requires continued operation
during power mains interruptions, it
is recommended that the device be
powered from an uninterruptible
power supply or a battery.
Guid ance an d manufa cturer’ s decl aration – elec tromagn etic i mmunity
The device is intended for use in the electromagnetic environment specified below. The
customer or the user of the device should assure that it is used in such an environment.
I
MMUNIT Y
tes t
Electros tatic
discharge (ESD)
IEC 61000-4-2
Elec trical fa st
transie nt/burst
IEC 61000-4-4
Surge
IEC 61000-4-5
Volt age dips, short
inter rupti ons and
volta ge vari ations
on power suppl y
input li nes
IEC 61000-4-11
Powe r frequ ency
(50/60 Hz )
magnetic field
IEC 61000-4-8
IEC 60601
test le vel
± 6 k V contac t
± 8 k V air
± 2 kV for p ower
supply lines
± 1 k V for input/ output
lines
Not a pplicabl e
Table 4 – G uidance and
MANUF ACTURE R’S
dec laratio n – ele ctromag netic
IMMUNI TY
–
for
ME EQUIPMEN T
and
ME SYSTEMS
that are n ot
LIFE-SUPPORT ING
Guid ance an d manufa cturer’ s decla ration – elec tromagn etic im munity
I
MMUNIT Y
tes t
IEC 606 01
TEST
LEVEL
Complian ce
level
Electromag netic envi ronment
–
guidance
Conducted RF
IEC 610 00-4-6
Radiate d RF
IEC 610 00-4-3
3 Vrm s
150 kHz t o 80 MH z
3 V/m
80 MHz t o 2,5 G Hz
3 V/m
Recommended sep aration d istance
PV=d ]
5,3
[
1
P=d 2.333
800 MHz t o 2,5 GHz
where P is the ma ximum output p ower r ating of the
transmi tter in watts (W) accordi ng to the t ransmitter
manufac turer an d d is the recom mended sep aration
distanc e in m etres ( m).
Field strengt hs from fi xed RF tr ansmitter s, as det ermined by an ele ctrom agnetic si te survey,
a
sho uld be
less than the complia nce le vel in eac h fre quency
range.
b
Interfe rence may occur i n the vi cinity of equip ment
marked w ith the followin g symbol :
NOTE 1 At 80 MHz a nd 800 MHz , the highe r frequ ency ra nge applies .
NOTE 2 T hese gui delines may not ap ply in all s ituatio ns. Ele ctromagnet ic prop agation is affec ted by absorpti on
and refle ction fro m struc tures, objec ts an d people .
a
Field stre ngths from fixe d t ransmitt ers, such as base stati ons for radio (cellu lar/co rdless) telep hones and land
mobile radio s, amateur rad io, AM and FM radio bro adcast and TV broadcas t c annot b e pr edicted theor etical ly
with accuracy.
To a ssess the elect romagnetic envi ronment due to fixed RF trans mitters, an e lectromagn etic site
survey should be considered. If the measured field strength in the location in which the device is used exceeds
the applicable RF compliance level above, the device should be observed to verify normal operation. If abnormal
performance is observed, additional measures may be necessary, such as re-orienting or relocating the device.
b
Over the freq uency range 1 50 kHz to 80 MH z, field strengths should be less than [ V1] V/m.
The device is intended for use in the electromagnetic environment specified below. The
customer or the user of the device should assure that it is used in such an environment.
Portable and mobile RF
communications equipment should
be used no closer to any part of the
device, including cables, than the
recommended separation distance
calculated from the equation
applicable to the frequency of the
transmitter.
P=d
80 MHz to 80 0 MHz
1.167
Appendix
20
Appendix
Tabl e 6 – Reco mmende d s epar ation d istanc es betw een porta ble and mobile
RF c ommunicati ons eq uipm ent an d t he
ME EQUIPMEN T or M E SY STEM –
for
ME EQUIP MENT a nd ME SYSTE MS tha t are n ot LIF E-SUPPOR TING
Reco mmende d s epa ration d istance s betw een
portab le and mob ile RF co mmuni cati ons equi pme nt and the device
The device is intended for use in an electromagnetic environment in which radiated RF disturbances are controlled.
The customer or the user of the device can help prevent electromagnetic interference by maintaining a minimum
distance between portable and mobile RF communications equipment (transmitters) and the device as recommended
below, according to the maximum output power of the communications equipment.
Separation distance a ccording to frequenc y of tr ansmitter
m
Rate d maximum output pow er
of t ransmitter
W
150 kHz to 80 MH z
P
V
=d ]
5,3
[
1
80 MHz to 800 MH z 800 MHz to 2,5 GHz
10,0
1,0
1
01
001
For tr ansmitters rat ed at a m aximum output power not listed a bove, t he recommended separatio n dist ance d i n
metres (m) can be est imated using the equation applica ble to the freq uency of the transmitter, where P is the
maxi mum output power rating of the t ransmi tter in watts (W) according to th e trans mitter manuf actur er.
NOTE 1 At 80 MHz and 8 00 MHz , the separat ion dis tance for the hi gher fr equency range appli es.
NOTE 2 Thes e gui delines may n ot appl y in all situati ons. E lectrom agnetic p rop
agation is affected by abs orption and
reflec tion fr om st ructures, obje cts and people.
0.2330.117
0.7380.369
2.3331.167
7.3783.690
23.3311.67
Not a pplicab le
Not a pplicab le
Not a pplicab le
Not a pplicab le
Not a pplicab le
P=d
2.333
P=d
1.167
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