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330lb x 0.2lb
150kg x 0.1kg
USB Body Fat Scale
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BioWeigh-USB Manual
Thank you for purchasing the American Weigh BioWeighUSB Body Fat Scale. Please read all operating instructions
carefully before use. Scales are precision instruments and
should always be handled with care.
Special Note on Body Fat Scales
Body fat scales and analyzers use bioelectrical impedance
analysis (BIA) technology to calculate body fat %.
This technology works by measuring the resistance
(impedance) of small electrical currents through your body.
When the user’s height and body impedance are known,
the scale can accurately determine total body water (TBW)
and fat-free mass (FFM). Fat-free mass is then subtracted
from your total body weight to obtain your body fat mass.
This scale should be used while barefoot. Measurement
errors can arise if weighing while wearing socks or
pantyhose. To avoid slipping, do not step on the scale with
wet feet. Do not use the scale on carpet.
Although BIA method uses a safe, low level of electrical
current, users with pacemakers or other electric
medical devices or implants should not operate this
scale.
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I. Display Overview
II. Icon Descriptions
Icon
Description Male Athelete Female Body Fat Water
Icon
Description Muscle Bone
Low
Batteries
Age
III. Key Functions
kcal
cm ft
stkglb
kcal
cm ft
stkglb
UP
UP KEY SET KEY DOWN KEY
SET DOWN
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IV. Battery Installation
This scale should come with batteries in the box. To
install the batteries, turn the scale over and remove the
battery cover. Insert two (2) AAA batteries according to
the diagram inside the battery compartment. Replace the
battery cover.
V. Turning the Scale On and O
This scale has a “tap to weigh” function. First tap the
scale with your foot to wake it from sleep mode before
weighing.
VI. Setting the Weighing Unit
To change the current weighing unit, use the “kg/st/lb”
button on the bottom of the scale. The display can change
between kg -> lb -> st.
VII. Setting the Clock
Press and hold t• he SET key to enter clock setup.
The year will being to ash. Use the UP and DOWN key •
to select the current year then press SET to conrm.
The month will being to ash. Use the UP and DOWN •
key to select the current year then press SET to conrm.
The day will being to ash. Use the UP and DOWN key •
to select the current year then press SET to conrm.
The hour will being to ash. Use the UP and DOWN key •
to select the current year then press SET to conrm.
The minute will being to ash. Use the UP and DOWN •
key to select the current year then press SET to conrm.
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VIII. Basic Weighing
Tap the scale with your foot to turn it on.•
Wait for “0.0” to be displayed then step on the platform.•
Once stable, your weight will be displayed.•
IX. Entering Personal Data
Before you can obtain a body fat analysis, you must rst
enter your user data including sex, height, and age:
Turn the scale on and press the UP or DOWN key on the •
scale to enter User Select Mode.
Select the relevant user using the UP and DOWN keys. •
The sex, height, and age for the current user will be
displayed.
Press SET to edit sex. Use the UP and DOWN keys •
change the value.
Press SET to edit height. Use the UP and DOWN keys •
change the value.
Press SET to edit age. Use the UP and DOWN keys •
change the value.
Press SET to conrm.•
You may now stand on the scale’s metal contacts •
(barefoot).
Your weight will be displayed briey then the scale will •
begin body fat analysis. During this time, a oating 0
will be displayed.
If successful, the display will show Body Fat -> Water -> •
Muscle -> Bone -> Weight. After 3 cycles, the scale will
turn itself o.
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NOTE: Your user data is automatically saved to the scales
internal memory, ready for upload to your computer. The
scale can track the weight and body composition of up to
10 users (one daily record per user). Each record includes
year, month, day, weight, body fat, water, muscle, and
bone.
X. WeightTrak Software Installation
Insert the included CD into your computer and follow •
the on-screen instructions to install.
Refer to the WeightTrak_UserGuide.pdf on the CD for •
instructions using the WeightTrak software.
XI. Computer Connection Via USB
You can use the included USB cable and WeighTrak
software to upload your scale’s stored data to a PC. The
scale is plug and play compatible with Windows 2000, XP,
and Vista 32 bit versions.
Connect the scale to your PC using the included USB •
cable.
Tap the scale, or press one of the function keys to turn •
the scale on.
The display will show “Load” to indicate that it is in •
computer upload mode.
You are ready to use the WeighTrak software to access •
the scale’s data.
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XII. Body Composition Charts
Body Fat %
Age
Female Male
Underweight
Healthy
Over-
weight
Obese
Underweight
Healthy
Over-
weight
Obese
10-12 <12 12-22 22-30 >30 <8 8-18 18-24 >24
13-18 <15 15-25 25-33 >33 <8 8-18 18-24 >24
19-30 <20 22-31 31-38 >38 <8 8-18 18-24 >24
31-40 <24 24-33 33-40 >40 <11 11-20 20-26 >26
41-50 <24 24-33 33-40 >40 <13 13-22 22-28 >28
51-60 <26 26-35 35-42 >42 <15 15-24 24-30 >30
60+ <28 28-37 37-47 >47 <17 17-25 26-34 >34
Body Water %
Age
Female Male
Healthy Healthy
10-12 >60 >64
13-18 >58.5 >63.5
19-30 >56 >62.5
31-40 >53 >61
41-50 >52 >60
51-60 >51 >59
60+ >50 >58
Body Muscle %
Age
Female Male
Healthy Healthy
10-99 >34 >40
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Bone Mass
Female Male
Weight <100lb 100-130lb >130lb <130lb 130-165 >165lb
Bone 4lb 4.8lb 5.5lb 5.5lb 6.4lb 7lb
Model BIOWEIGH-USB
Capacity
150kg / 330lb / 23st:8lb
Resolution
0.1kg / 0.2lb / 0.2lb
Weighing Units
kg, lb, st:lb
Memory 10 User Memory;
Stores up to 365 records per user.
Record includes: year, month, day, weight, fat, water,
muscle, and bone
Body Analysis Ranges body fat range: 0~80%
body fat graduation: 0.1%
water range: 10~80%
water graduation: 0.1%
muscle range: 13~80%
muscle graduation: 0.1%
bone range: 0~9kg
bone graduation: 0.2lb/0.1kg
age range: 10~80
Temperature Display
range: 14°F ~ 104°F (-10°C ~ 40°C)
Scale Dimensions
(inches)
11.8 x 12.2 x 0.7”
Power
2 x AAA Batteries (included)
Warranty
10 Year Warranty
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American Weigh Scales, Inc.
2 Carriage Ln, Suite 2
Charleston, SC 29407
Tel: 866-643-3444 (toll free)
Fax 843-225-7284
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