Anticorrosion bimetallic thermometer thermometer factory group of design requirements

Anticorrosion bimetallic thermometer in the process of manufacturing, involves a lot of knowledge, also has a lot of reasonable design, today for you to introduce the design of the thermometer requirements: 1, the thermometer parts must not have rust, protective layer should be strong, uniform and smooth; 2, anti-corrosion glass or other transparent material on the surface of the bimetallic thermometer should be transparent, and shall not interfere with the correct reading defect; 3, the type of the thermometer, and the basic parameters and size ( Size tolerance according to the relevant provisions of the factory) Should comply with the provisions; 4, anticorrosive bimetallic thermometer pointer and dial shall comply with the terms of ZBY122 and ZBY123; Pointer to the length of the instructions section and dial the distance between the plane should be not more than 5 mm; Circular scale is 270 ° ~ 300 ° part circular; Pointer, dial, and scale and marks should not change color and fade.