Omron HBF-500 Body Fat Monitor with Scale
Discover and monitor your body's composition
Plan and Measure Your Fat Loss
- Measures weight, in 100g incremental
- Body Fat percentage analysis
- Skeletal muscle percentage display
- BMI display and assessment
- Visceral fat level analysis
- Resting Metabolism (RM) display
- 4 sets personal data memory
- Past results (of 1, 7, 30 and 90 days) memory for monitoring of progress
Measure and Record:
- Weight
- Body Fat
- Skeletal Muscles %
- BMI
- Visceral Fat Level
- Resting Metabolism
- Memory Data
Major Benefits
1. More accurate measurement of the entire body
As measurement is conducted between both upper and lower limbs, the measurement values are less affected by the variation of physique as compared to traditional body fat monitors.
2. Visceral fat is displayed in 30 levels
Visceral fat is closely related to lifestyle-related diseases, such as hypertension, diabetes, and hyperlipidemia. The OMRON HBF-500 can help you check your visceral fat level easily.
3. Easily check skeletal muscle percentage
Skeletal muscle is displayed as a percentage. The unit only measures skeletal muscle, muscle connected to bone and used to move the body. It does not include smooth muscle, found in internal organs.
4. Display of BMI and resting metabolism
In addition to calculating body fat percentage, it can also access your health using the BMI method¹, while taking your physique into consideration. It estimates the resting metabolism from personal data input and the measured body weight. Use those calculated values as reference for planning your weight reduction program. (*1 BMI: Body Mass Index = Body weight (kg) / height (m²))
5. Memory function to store up to four users' personal data
For the measurement of the body composition, it is necessary to set up personal data such as age, gender, and height. Once you set and store the data, the unit is ready for use by pressing the personal profile number button. This unit can be shared as it can store up to four different users' data.

6. Comparison with previous results to monitor progress
The unit stores the measurement results, so you can easily monitor any changes. You can display measurements for 1 day, 7, 30, and 90 days before.
7. The display unit can be operated easily and is easy to read
Long Term Planning For Successful Weight Loss
Ignoring a balanced diet and simply reducing food intake to lose weight can lead to a decline in muscle and bone. This may result in weight loss but not in the reduction of fat levels. So even though your weight goes down, your resting metabolism is reduced making the body more prone to putting on fat.
Repeated dieting and regaining weight leads to increased visceral fat levels
It is easy to regain weight after sudden diets. This regained weight tends to appear as visceral fat rather than subcutaneous fat. Increased visceral fat levels are thought to increase the likelihood of common diseases. Repeated dieting and subsequent regaining of weight leads to increased visceral fat levels
(subcutaneous is fat 'beneath skin' and visceral is fat buried in your body's tissues)

2 Year Warranty
The Omron HBF-500 is covered by a 2 year manufacturer's warranty. Omron will replace the entire unit, or quote for repairs if necessary.
(Void if product is misused/abused/dropped etc)
The Principle of Body Composition Calculation
Body Fat has low electric conductivity
The HBF-500 measures body fat percentage by the Bio electrical Impedance (BI) method. Muscles, blood vessels and bones are body tissues with a high water content that conducts electricity easily. Body fat is tissue that has little electrical conductivity. The HBF-500 sends an extremely weak electrical current of 50 kHz and less than 500 µA through your body to determine the amount of fat tissue. This weak electrical current is not felt when operating the HBF-500.
In order for the scale to determine body composition, it uses electrical impedance, along with our height, weight, age and gender information to generate results based on OMRON's data of body composition.
Measure the whole body to avoid the influence of fluctuations
During the course of the day, the amount of water in the body tends to graduate to the lower limbs. This is why there is a tendency for the legs and ankles to swell in the evening or at night. The ratio of water in the upper body or lower body is different in the morning and evening, and this means that the electrical impedance of the body also varies. Since the HBF-500 uses electrodes for both hands and feet to take measurements, it can reduce the influence of these fluctuations on measurement results.
What is the Bio electrical Impedance Method?
Muscles, blood vessels and bones have high water content that conducts electricity easily. Body fat is tissue that has little electrical conductivity. The Bio electrical Impedance Method safely combines the electric resistance with the distance of the electricity conducted. Correct posture and consistent measuring conditions need to be maintained for best results.
Uses the best methods to measure different aspects of body composition
OMRON has conducted research using exhalation and MRI analysis to develop an algorithm by which the bio impedance method of the HBF-500 works.
Body Fat Percentage: This is based on the DXA (Dual Energy X-Ray Absorptiometry) method, which as been the established method for accurate evaluation of body composition. OMRON has used the research information from several hundred people using the DXA method to develop the formula by which the HBF-500 works. The body fat mass and body fat percentage is calculated by a formula that includes five factors: electrical resistance, height, weight, age and gender.
The DXA method uses two different frequency X-Rays and rates of absorption of the body and determines the value based on the difference between the two.
Resting Metabolism: This is based on exhalation analysis, where the composition of exhaled air is analysed. This makes it possible to calculate the resting metabolism by measuring the consumption of oxygen in the air.
Visceral Fat Level: This is based on MRI (Magnetic Response Imaging) analysis, which uses nuclear magnetic resonance that take non-intrusive images of the body. This makes it possible to calculate the area of visceral fat in the body.
Skeletal Muscle Percentage: Based on MRI (Magnetic Resonance Imaging) analysis, used in this case to calculate the amount of skeletal muscle in the body.
The reason calculated results may differ from the actual body fat percentage
There are certain conditions, such as with dialysis patients, when significant differences may occur between the estimated and actual body fat values. These differences may be related to changing ratios of body fluid and/or body composition.
Specifications
| DISPLAY | |
| Display of minimum body weight | 0 to 135kg with an increment of 100g |
| Body Fat percentage: | 5.0 to 60% with an increment of 0.1% |
| Skeletal Muscle percentage: | 5.0 to 50% with an increment of 0.1% |
| BMI: | 7.0 to 90.0 with an increment of 0.1 |
| Resting Metabolism: | 385 to 5000kcal with an increment of 1kcal |
| Visceral Fat Level: | 30 levels with an increment of 1 level |
| BMI classification: | - (Underweight) / ) (Normal) / + (Overweight) / ++ (Obese) with 12 levels of bar display |
| Body Fat percentage classification: | - (low) / 0 (Normal) / + (High) / ++ (Very High) with 12 levels of bar display |
| Visceral fat classification: | 0 (Normal) / + (High) |
| Memory: | 1 day ago / 7 days ago / 30 days ago / 90 days ago |
| SET ITEMS | |
| Height | 100 to 199.5cm |
| Age: | 10 to 80 years old |
| Gender: | Male / Female
Height and the contents of a memory are displayed in the unit. The range for skeletal muscle percentage, resting metabolism and visceral fat level is 18 to 80 years old. the range for the body fat classification is 20 to 80 years old. |
| WEIGHT ACCURACY | 0.0kg to 40.0kg: ±400kg; 40.1kg to 135kg:±1% |
| ACCURACY (S.E.E) | |
| Body fat percentage: | 3.5% |
| Skeletal Muscle Percentage: | 3.5% |
| Resting metabolism | 120kcal |
| Visceral fat level: | 3 levels |
| Power Supply | 4 AA Batteries (R6) You may also use AA alkaline batteries (LR6) |
| Battery Life | Approx 1 Year (when manganese batteries are used with 4 measurements per day) |
| Operating Temperature / Humidity | +10°C to +40°C, 30% to 85% RH |
| Storage Temperature / Humidity / Air Pressure | -20°C to +60°C, 10% to 90% RH, 700 - 1060 hPa |
| Weight | Approx 2200g (including batteries) |
| External Dimensions | |
| Display Unit | Approx 300(W) x 35(H) x 155(D) mm |
| Main unit: | Approx 300(W) x 57(H) x 325(D) mm |
| Package Contents | 4 AA manganese batteries (R6), Instruction manual |












