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The Fat Loss Monitor is an excellent tool to quickly measure your body fat percentage and body mass. Input your personal data. The monitor displays your estimated value of body fat percentage using the Bioelectrical Impedance Method, and indicates your body mass index in four ranges, low, normal, high and very high. This is important information you need know to monitor your weight loss or maintenance program.
Your HBF-306C comes with the following components:
Read all the information in the instruction book before using the unit.
This monitor cannot be used with a pacemaker or other implanted devices. Consult the manufacturer of the implant device and your physician before using this monitor.
SAVE THESE INSTRUCTIONS
The Fat Loss Monitor displays the estimated value of body fat percentage by the Bioelectrical Impedance (BI) method and indicates the Body Mass Index (BMI) range with the BMI classification bar.
Bioelectrical Impedance Method
Muscles, blood vessels and bones are body tissues having a high water content that conduct electricity easily. Body fat tissue has lower electric conductivity. The Fat Loss Monitor sends an extremely low-level electrical current of 50 kHz and 500 µA through your body to determine the amount of fat tissue. This weak electrical current is safe and not felt while operating the Fat Loss Monitor.
Body Fat Percentage
Body fat percentage refers to the amount of body fat mass as part of the total body weight described as a percentage.
Body fat percentage (%) = (Body Fat Mass in Pounds / Body Weight in Pounds) x 100
Estimated Body Fat Percentage
Hydrodensitometry, or underwater weighing, has been the established method for accurate evaluation of body composition. Omron has used research information from several hundred people using the underwater method to develop the formula by which the Fat Loss Monitor works. The body fat mass and body fat percent is calculated by a formula that includes five factors: electric resistance, height, weight, age, and gender.
Body Mass Index (BMI)
BMI is an internationally used index to show body composition by determining the balance between the height and the weight. Body Mass Index (BMI) Formula
US - Calculated using pounds and inches with this equation: (weight in pounds x 703) / height in inches / height in inches
Metric – Calculated using kilograms and meters: weight in kilograms / height in meters / height in meters
Body Fat Ranges for Standard Adults
Gender | Age | Low (BMI < 18.5) | Normal (BMI 18.5-24.9) | High (BMI 25.0-29.9) | Very High (BMI ≥ 30) |
Female | 20-39 | < 21.0 | 21.0-32.9 | 33.0-38.9 | ≥ 39.0 |
40-59 | < 23.0 | 23.0-33.9 | 34.0-39.9 | ≥ 40.0 | |
60-79 | < 24.0 | 24.0-35.9 | 36.0-41.9 | ≥ 42.0 | |
Male | 20-39 | < 8.0 | 8.0-19.9 | 20.0-24.9 | ≥ 25.0 |
40-59 | < 11.0 | 11.0-21.9 | 22.0-27.9 | ≥ 28.0 | |
60-79 | < 13.0 | 13.0-24.9 | 25.0-29.9 | ≥ 30.0 |
* Based on NIH/WHO guidelines for BMI
* Based on gallagher et al., American Journal of Clinical Nutrition, Vol.72, Sept. 2000
BMI | BMI (Designation by the WHO) |
Less than 18.5 | LOW |
18.5 or more and less than 25 | NORMAL |
25 or more and less than 30 | HIGH |
30 or more | VERY HIGH |
The above-mentioned indices refer to the values for obesity judgment proposed by the WHO, the World Health Organization.
NOTE: The body fat percentage measured by this unit may significantly differ from the actual body fat percentage in the following situations:
Recommended times for taking a measurement
Understanding the normal changes in your body fat percentage can help you in preventing or reducing obesity. Being aware of the times when the body fat percentages shift within your own daily schedule will assist you in obtaining an accurate trending of your body fat. It is recommended to use the Fat Loss Monitor in the same environment and daily circumstances for each measurement. (See chart)
When To Avoid Taking A Measurement
If a measurement is made under the following physical conditions, the measured body fat percentage may differ significantly from the actual one because the water content in the body is changing:
The Fat Loss Monitor can be set to either NORMAL or ATHLETE mode. Body composition varies based on your FIT Index.
Calculate your FIT index by using the following formula.
FIT Index = Frequency x Intensity x Time
Based on your FIT Index use the following mode when setting your personal data.
NORMAL FIT Index < 60
ATHLETE FIT Index ≥ 60
Number | Frequency of Exercise | |
5 | Daily or almost daily | |
4 | 3 to 4 times per week | |
3 | 1 to 2 times per week | |
2 | A few times per month | |
1 | Less than once per month |
Intensity | Conditioning Exercise | Sports | |||
5 | Cycling - > 12 mph pace | Basketball - competitive | |||
Weightlifting - vigorous, powerlifting or bodybuilding | Boxing | ||||
Rowing - moderate to vigorous | Football - competitive | ||||
Rowing machines - moderate to vigorous effort | Handball, racquetball, or squash | ||||
Aerobic dancing - high impact | Ice hockey | ||||
Step aerobics | Karate or kickboxing | ||||
Running -> 5.0 mph | Rockclimbing | ||||
Rope jumping | Rugby | ||||
Rollerblading (roller skating) | Soccer - competitive | ||||
Ski machine | Tennis | ||||
Stairstepping | Swimming - competitive or lap | ||||
Stationary cycling - moderate to vigorous effort | Speed skating - competitive | ||||
Skiing - cross-country Skiing - downhill racing | |||||
4 | Cycling - < 12 mph pace | Archery | |||
Weightlifting - moderate effort | Basketball - shooting baskets | ||||
Stationary cycling - light effort | Bowling | ||||
Rowing - light effort | Fencing | ||||
Calisthenics | Golf | ||||
Stretching / Yoga | Gymnastics | ||||
Rowing machines - light effort | Horseback riding | ||||
Water aerobics or water exercise | Baseball | ||||
Aerobic dancing - low impact | Softball | ||||
Jogging - < 5.0 mph | Tai Chi | ||||
Walking - > 2.5 mph | Volleyball - competitive | ||||
Swimming - leisurely | Wrestling - competitive | ||||
Rollerblading - leisurely | Ice Skating - < 9 mph |
Time | Duration |
4 | 45 minutes or more |
3 | 30 to 44 minutes |
2 | 15 - 29 minutes |
1 | less than 15 minutes |
Main unit
Display
BATTERY REPLACEMENT
All personal data set using a personal profile number is stored in the memory during battery replacement.
Low Battery Indicator
When the Low Battery Indicator appears on the display screen remove both worn batteries. Replace with two new batteries at the same time.
Long-life alkaline batteries are recommended.
The Fat Loss Monitor can be set to either the US or Metric system.
The monitor is preset to display personal data in the US mode.
NOTE: When changing the US/Metric mode all personal data is deleted.
SETTING THE METRIC MODE
RETURN TO THE US MODE
The Fat Loss Monitor provides two options to enter your personal data.
NOTE: The display will return to the default values if the set Button is not pressed within 1 minute.
The unit will automatically turn off after one minute.
SETTING THE NORMAL/ATHLETE MODE
Select NORMAL or ATHLETE based on your FIT Index. Refer to calculate your FIT Index.
SETTING THE HEIGHT
Set the height between 3'4'' and 6'6''.
SETTING THE WEIGHT
Set the weight between 23 lbs and 440 1/2 lbs.
SETTING THE AGE
Set the age between 10 and 80 in the NORMAL mode, and between 18 and 60 in the ATHLETE mode.
SETTING THE GENDER
Select MALE OR FEMALE.
All personal data is set.
The indicator displays on the screen.
CHANGING A PERSONAL PROFILE
When your height, weight or age changes reset your personal profile.
DELETE PERSONAL PROFILE
All Personal Profiles, 1 through 9, stored in the memory will be deleted. You cannot delete one profile at a time.
Before taking a measurement your personal data must be entered. If GUEST is used, you will need to enter your personal data prior to taking the measurement. Refer to Setting the Personal Data.
To keep your Fat Loss Monitor in the best condition and protect the unit from damage follow the directions below:
Clean the unit with a soft dry cloth. Avoid using any abrasive or volatile cleaners.
The unit is not waterproof; do not immerse the unit in water.
Store the unit in a safe and dry location. Do not expose the unit to direct sunlight, extreme hot or cold temperatures or humidity. Thoroughly dry any moisture off the unit before storing.
Do not subject the unit to strong shocks, such as dropping the unit on the floor.
Do not step on the unit.
Remove the batteries if the unit will not be used for three months or longer.
Use the unit consistent with the instruction provided in this manual.
NUMBER | CAUSE | CORRECTION |
![]() | Electrodes were not firmly grasped. | Grasp the electrodes correctly. Refer to number 4, under "How to take a measurement". |
![]() | Hands are dry. | Slightly moisten hands with a wet towel. |
![]() | Body Fat Percentage and BMI values are outside the measurable range. | Verify your personal data is correct. "Setting the Personal Data". |
![]() | Irregular Operation | Turn the unit off, then on. Take another measurement. If the error occurs again contact Customer Service at 800-634-4350. |
PROBLEM | COMMON CAUSE | CORRECTION |
No power | The batteries are worn or not inserted corrected. | Replace the batteries. Check the direction of the polarities on the batteries and the unit. Refer to "Battery Installation". |
Measured values extremely differ | Change of water content in the body. | Use the monitor in the same environment and circumstances for accurate trending. Refer to "Recommended Measurement Times". |
Body Fat Percentage is unusually high or low | Incorrect posture or movement during measurement. | Check the correct position for feet, arms and hands. Refer to "How to take a measurement". |
Model: | HBF-306C | |
Description: | OMRON Fat Loss Monitor | |
Display: | Body fat percentage (4.0 to 50.0%) BI Method BMI (7.0 to 90.0) BMI classification (4 levels) | |
Set ranges: | Height: | 3' 4" to 6' 6" (100 cm to 199.5 cm) |
Weight: | 23 lbs to 440.5 lbs (10 kg to199.8 kg) | |
Age: | NORMAL; 10 to 80 years old ATHLETE; 18 to 60 years old | |
Gender: | Male / Female | |
Power supply: | 2 AAA batteries (You may use 2 AAA alkaline batteries) | |
Battery life: | Approximately 1 year (varies depending on usage and storage.) | |
Operating temperature and humidity: | 50°F to 104°F (+10°C to +40°C), 30% to 85% RH | |
Storage temperature and humidity: | -4°F to 140°F (-20°C to +60°C), 10% to 95% RH | |
External dimensions: | Approx. 8" (L) x 5" (H) x 2" (W) (197 (L) x 128 (H) x 49 mm (W)) | |
Weight: | Approx. 8 oz. (230 g) (not including batteries) | |
Contents: | 1 Fat Loss Monitor, 2 AAA Batteries, 1 Instruction Manual | |
UPC Code: | 0 73796 30630 4 |
Specifications may be changed without prior notice.
To assure the correct use of the product basic safety measures should always be followed including the precautions listed below:
Here you can download full pdf version of manual, it may contain additional safety instructions, warranty information, FCC rules, etc.
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