| 摘要 |
PROBLEM TO BE SOLVED: To accurately measure living body impedance in a short time by making a living body reliably contact with the electrode parts regardless of the size of a physical constitution of a person to be measured by providing a function to judge whether or not to start measurement of the living body impedance according to a sensor output change in the respective electrode parts detected by a living body detecting sensor. SOLUTION: A body fat gauge has the four electrode parts (the electrode parts 1) enclosing light sensors 10a to 10d as respective living body detecting sensors and the output receiving part 2 to receive output of the respective light sensors 10a to 10d of the electrode parts 1, and also has the measurement control part 3 having a function to announce the effect and/or a function to stop measurement when judging that the four electrode parts and a living body are not in correct contact with each other and the body fat measuring part 4 having a function to calculate living body fat from obtained electric resistance (impedance) information of the living body. |
