Chemical production processes usually involve complex chemical reactions and strict process conditions. As one of the key parameters, the accuracy of temperature measurement is of crucial importance. Dry-block calibrators are widely used in the calibration of temperature instruments in chemical production processes. There are a large number of temperature instruments on the chemical production line, including thermocouples, resistance thermometer detectors, etc., which are used to monitor the temperature in equipment such as reactors, pipelines, and distillation towers. Dry-block calibrators can accurately calibrate these temperature instruments according to relevant standards and process requirements of the chemical industry. In the chemical production process, accurate temperature measurement helps to control the chemical reaction rate, ensure product quality, and prevent safety accidents caused by abnormal temperature, such as reaction runaway and explosion. By regularly using dry-block calibrators to calibrate temperature instruments, chemical enterprises can ensure the reliability of temperature monitoring data throughout the production process, maintain the stability and safety of production, and improve the pass rate and production efficiency of chemical products.