The nickel-plated copper shell greatly improves the surface hardness, improves the corrosion resistance and wear resistance, and prolongs the service life Clear dial scale The dial is exquisite in screen printing, and the scale is clear and clear at a glance Stainless steel protective tube 304 stainless steel has the advantages of rust and corrosion resistance, high temperature resistance, environmental protection and sanitation, and long service life. The bimetal thermometer can directly measure the temperature of liquid, steam and gas and solid surface in the atmosphere of -80~+500°C in various production processes. Widely used in petroleum, chemical, metallurgical, textile, food and other industries The thermometer is regularly maintained and repaired under normal use conditions. Normally, every six months is better. The electric contact thermometer is not suitable for working under strong shock, so as not to affect the reliability of the contact. A variety of bimetallic