Terraillon uses fast, secure and reliable technology that has been medically attested - the body fat analyser. Enter your age, height and sex before stepping onto the scales. A low-intensity current passes through your lower limbs - sensors are located on the platform of the scales - and measures the resistance or the 'impedance' to this signal. By differentiating between the impedance of lean and of fatty tissue, the device calculates the percentage of fat in the body (fatty mass contains less water than lean body mass and therefore provides a greater resistance to the current).

Similarly to weighing yourself, we recommend that you should measure your body fat once or twice a week under the same conditions and using the same body fat analyser (preferably in the morning, naked, and in a hydrated condition). It is important not to focus on day-to-day changes to your fat levels but to monitor any variations over time.

An athlete can be defined as someone who trains intensively for at least 2 hours 3 times a week. In certain cases, the standard method of body fat measurement can overestimate body fat in athletes. Athletes are prone to physiological changes to their muscle density and hydration levels. For this reason, we recommended switching to the athlete mode to obtain more accurate results.

No, you cannot use these products. As a general rule you should avoid all sources of electronic interference if you have a pacemaker (a device to regulate your heartbeat).