Xiaomi Mi Body Composition Scale 2: Your weight&health

by QiZIyue

 

A body fat scale is, as the name suggests, a scale with an integrated body fat measurement function. In the past, people tended to focus on weight, but as the concept of fitness became more popular, body fat replaced weight as a more scientific indicator of body fat and leanness. Smart body fat scales have evolved from weight scales and body fat scales, so with the addition of the word "smart", what exactly does a body fat scale do?

1.Appearance

The Xiaomi Mi Body Composition Scale 2 has a warm white tempered glass panel with concealed LED display, along with silver electrodes. It has a square structure with rounded corners, where the edges are polished and smooth and do not feel scratchy to the touch. The four round electrodes on the Xiaomi Mi Body Composition Scale 2 are located in the four corners, and are a little far apart from each other, so I was a little worried if someone with small feet could step on two of them at the same time.

The bottom of the Xiaomi Mi Body Composition Scale 2 is not very different from a normal electronic scale, with four 360° movable feet on all four sides and a battery compartment in the middle. The four movable feet can adjust themselves to the plane they are touching to keep things stable and safe when using the scale.

Xiaomi Mi Body Composition Scale 2 is 20mm thick and at its thinnest point it is only 14.75mm, which makes it look very thin from the side. The entire Xiaomi Mi Body Composition Scale 2 is made of ABS, a strong, tough and easy-to-process polymer structure.

2. The measurement experience

The first thing you need to do is install the battery, turn on the Bluetooth on your phone and download Mi Fit. Then the phone will prompt you to stand on the scale to bind your device, after binding it, you can use it. Remember to test the scale with your bare feet and step on the four electrodes to ensure correct results. Officially, it can measure weight, BMI, body fat percentage, muscle mass, water percentage, protein percentage, basal metabolism, visceral fat class, bone mass, body age, ideal weight, body shape, health score and 13 other data items. It is necessary to insert an introduction to the principle of Xiaomi Mi Body Composition Scale 2.

   

         How does the Xiaomi Mi Body Composition Scale 2 work?

The Xiaomi Mi Body Composition Scale 2 uses Bio-impedance analysis (BIA), a method of bio-resistive resistance. 60 to 70 percent of our body is water, which means that the body is a conductor. When an electric current is passed through the body, muscles conduct electricity and fat does not, creating an impedance. The main principle of BIA is to simply divide the body into conductive body fluid, muscle, and non-conductive fat tissue. After the user stepping on the four metal electrodes on the body fat scale with bare feet, the BIA module inside it will measure the resistance of the user from the left foot to the right foot, and the measurement is made by Xiaomi Mi Body Composition Scale 2 sending a very tiny current through the body. If the fat ratio is high, the measured bio-resistance is higher, otherwise the bio-resistance is low. Then combined with the user's height, weight, age, gender and other data, the body health parameters such as body fat, muscle and water can be calculated.

 Based on the impedance produced, it is possible to calculate how much water the body has. Then, based on the relationship between body water and body fat weight, you can obtain the body fat weight and then calculate the fat mass and body fat percentage.

 After reading the principle, you will see that the measurement result is influenced by the resistivity, which can be affected by many factors. For example, whether you have drunk a lot of water before the measurement, how much your skin sweats, your posture during the measurement, etc. So, the correct way to measure is to:

 1.Arrange a regular time of measurement in each day, preferably early in the morning after waking up for a naked weighing on an empty stomach.

 2.Step on the scale with bare feet, ensuring that the soles of the feet are dry and completely cover the four electrode contacts of the scale, and maintain the correct standing position for the measurement; a correct way to test can bring a standard base test value, so that this value can be used later as a reference to record changes in other body indicators.

3.Weight small object

The Xiaomi Mi Body Composition Scale 2 can switch between dynamic and static weighing modes to meet the needs of small objects down to 100g, with a "weight small object" switch in the app. I think this is a very useful feature, as common scales cannot detect the weight of small objects, such as fruits, vegetables and parcels. With this Xiaomi Mi Body Composition Scale 2, you don't have to go through all this trouble, give a weight of 5KG or more to make the scale turn on and you can weigh the object.

  I tested a teacup and a headphone with the Xiaomi Mi Body Composition Scale 2 set to weigh in ‘jin’(1 jin equals 500g). The tea cup weighed 0.7jin which equals to 350g. The headphone weighed 0.4jin which equals to 200g. To compare, another weighing on the kitchen scale gives me a teacup weight of 355g and a headphone weight of 220g.

 

 

As you can see from the above test, there is still a certain amount of error for lighter objects, but as the objects get heavier, the difference is smaller. Another test of static objects revealed that some objects put on the scale were not well identified, probably because the contact area was too small, and the scale needed to be adjusted several times to identify the weighing.

4.Summary 5

The Xiaomi Mi Body Composition Scale 2 is priced at a modest price that most people can accept. The design is simple, the workmanship is good and it provides 13 body data measurements, so users can have a more comprehensive understanding of their condition, while still static measurement, providing some convenience for weighing everyday objects. If you're looking for a body fat scale, the Xiaomi Mi Body Composition Scale 2 is a good choice, but of course, if you don't need to test your body fat, you can buy the cheaper Xiaomi Mi Smart Scale 2.


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