1. Verify various types of working thermocouples such as K, E, J, N, B, S, R, T, etc; Temperature sensor 2, calibration of various working thermistors such as Pt100, Pt10, Cu50, Cu100, glass liquid thermometer, pressure thermometer, bimetallic thermometer; 3. Multi channel low potential automatic transfer switch, parasitic potential ≤ 0.4 μ V; 4. Control 1-4 high-temperature furnaces; 5. Temperature field testing: can perform temperature field testing on calibration furnaces, oil tanks, water tanks, and low-temperature constant temperature tanks; 6. Wire system conversion: It can perform resistance calibration for two-wire, three wire, and four wire systems; 7. The software has experimental functions such as comparative experiments, repetitive experiments, and temperature field experiments; 8. On Windows 2000/XP and above platforms, with a fully Chinese interface and standard Windows operating system, it is convenient and fast. Can achieve: 1) Equipment self check and wire inspection; 2) Screen display and save temperature control curve ≤ 0.4 μ V; 3) Automatic collection of detection data; 4) Automatically generate verification records that meet the requirements; 5) Automatically save the verification results and cannot be manually changed; 6) Search for various thermocouples, thermal resistance calibration tables, and other assistance; 7) The intelligent management function for querying, summarizing, and measuring all historical calibration data and temperature control curves of thermocouples and thermistors.