2. Color logo, in line with international standards
3. High accuracy and small error
4. Type K, using the same material of nickel-chromium-nickel-silicon thermocouple as the metal conductor.
5.Type T, using copper ---- constantan thermocouple of the same material as the metal conductor (the shape is the same as K type)
6.Type J, the same kind of iron-constantan thermocouple is used as the metal conductor.
7. Operating temperature: 120℃，300℃
