CL is the precision on the thermometer?

CL is the precision on the thermometer? Instrument to answer: yes, it is the representation of European standards. For example, CL1. 5, precision grade 1. 5. Bimetallic thermometer is usually represented using CL precision. Because of the bimetallic thermometer to adapt to different occasions, the accuracy grade is different also, precision grade can to customize according to customer's request. Bimetallic thermometer is a 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. European standard specific accuracy level below: