Body Fat Scales & Monitors
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Omron Body Composition Monitor HBF-500For professional athletes or practitioners    |
Omron Body Fat Analyser HBF-400For general use / home use  |
What is body fat percentage?
Body fat percentage refers to the total amount of body fat mass in regards to the total body weight expressed as a percentage. Body Fat Scales will give your specific body fat percentage and body weight. They are also an excellent tool to estimate your body fat percentage and measure body weight on a continuous schedule.
Body fat percentage (%) = {Body Fat Mass / Body weight} x 100
Body fat reading is affected by change of water content in the body
A person's hydration level and blood circulation may have an effect on their body fat reading. In the table below are some situations which could affect the reading
| Cause of Fluctuations | Examples of Fluctuation |
| Water and food intake | 1 to 2 hours after breakfast, lunch, or dinner |
| Changes in blood circulation | After taking a bath or shower, immediately after exercising, in extreme environments (warm or cold), during illness or extreme fatigue |
Advice for Measurement
If the soles of your feet are dry or the temperature of your feet or the electrodes are extremely cold, it will not be possible to obtain stable measurements, which may lead to display error indication or inaccurate results. Please pay special attention in winter because the air is dry and/or the temperature is low
| Conditions | Actions |
| Feet are dry | Slightly moisten soles of your feet with a wet towel, then measure |
| When you step onto the electrodes, they feel cold | Allow the electrodes to warm by leaving the unit in a warm room for approximately ten minutes. |
| Your body and feet are cold due to the blood not circulating well | Warm your feet by immersing in hot water or staying in a warm room. Make sure the feet are dried properly. |
Recommended times for 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 body fat scales in the same environment and daily circumstances.
| Daily activities | Recommended time for measurement |
| Waking Up | |
| After Waking Up | Recommended Time |
| Breakfast | |
| << 2 hours >> | |
| Before lunch and about 2 hours or more after breakfast | Recommended time |
| Lunch | |
| << 2 hours >> | |
| In the afternoon about 2 hours or more after lunch and before taking a bath or eating dinner | Recommended Time |
| Taking a bath / Easting dinner | Avoid measurement immediately after bathing or eating dinner |
| << 2 hours >> | |
| Before going to bed and about 2 hours or more after dinner | Recommended time |
| Going to bed |
