Pencil thermometer structure

Pencil, thermometer is the portable thermometer, we used to say it is safe and convenient to carry, delicate and beautiful, intuitive and convenient; Safe and reliable, long life, fast reading. By the user's consistent high praise. Pencil is one of the bimetallic thermometer thermometer, the principle of its structure is the round shape into threaded heat bimetallic strip as thermal devices, and put it in a protective sleeve tube, one end is fixed, known as the fixed end, the other end of the connection on a thin shaft, called the free end. Spool at the free end is equipped with a pointer. When the temperature changes, the resulting thermal devices the free end of the rotation, drive the thin axis from the Angle of the pointer changes, corresponding temperature indicator on the dial. Today we are going to share pencil the structure diagram of the thermometer, with PT1005 pencil thermometer for share: