Analysis of the Thermal Characteristics of Surrounding Rock in Deep Underground Space

Table 1

Measured parameters.

Measured parameter	Type	Measurement range	Accuracy
Temperature	PT 100	−40°C∼150°C	±0.5°C
Relative humidity	Capacitive	0%∼100% RH	±2%
Airflow velocity	Hot wire	0 m/s∼15 m/s	±0.2 m/s