The following are some recommended relevant materials for thermocouple calibration:

I. Books

1. "Temperature Measurement Technology and Instruments": This book systematically introduces various temperature measurement methods, including the principles, characteristics, and calibration methods of thermocouples. It is very helpful for in-depth understanding of thermocouple calibration.

2. "Metrology and Testing Technology Manual": There are special chapters on temperature metrology that elaborately describe the calibration specifications, operation steps, and precautions of thermocouples.

II. Standard documents

1. "JJF 1262-2010 Calibration Specification for Sheathed Thermocouples": Issued by the General Administration of Quality Supervision, Inspection and Quarantine, it provides specific technical requirements and methods for the calibration of sheathed thermocouples.

2. "JJF 1637-2017 Calibration Specification for Base Metal Thermocouples": Defines the calibration process and standards for base metal thermocouples.

III. Online resources

1. China Metrology Network: There are technical articles, case analyses, and interpretations of relevant standards on thermocouple calibration. It can help you better understand and master thermocouple calibration knowledge.

2. Instrument Information Network: It provides technical materials and forum exchanges for various instruments. In the thermocouple section, you can find experience sharing and problem-solving answers regarding calibration.

IV. Professional journals

1. "Acta Metrologica Sinica": Publishes many research papers on temperature metrology and thermocouple calibration, allowing you to understand the latest technological trends and research results.

2. "Industrial Metrology": Focuses on metrology issues in the industrial field. There are many articles on the application and practical experience of thermocouple calibration in actual production.