| 摘要 |
PURPOSE:To shorten a measurement time and also to improve operability by forming a light emitting part by an LED and also providing covers so as to be easily attachable and detachable to and from each supporting body separately. CONSTITUTION:In a base body 20, two supporting bodies 22, 22 are protruded in a lower direction, and an LED light emitting part and a light receiving part 12 are provided so as to be opposed to these supporting bodies 22. Subsequently, special cells 14, 14 which can be attached and detached easily are placed separately on the respective supporting bodies 22, 22, as covers. These cells 14, 14 are engaged by cell bands 16, 16. Also, the upper ends of the bands 16, 16 are screwed to the base body 20, and the lower ends are curved to the inside, by which the cells 14, 14 are engaged so as to be easily and freely attachable and detachable. |
