As an indispensable part of the universal testing machine, the role of the sensor, I believe I do not need to say, we all know the first, it is a kind of physical quantities, chemical quantities, and other information that can be felt by certain rules into a device to facilitate the measurement and transmission of signals, therefore, for the installation of the sensor, we need to pay special attention to the following matters.

In the ever-evolving field of road construction and maintenance, ensuring the quality and durability of road surfaces is paramount. One of the most innovative tools in this domain is the Electrical Density Gauge (EDG). This advanced device offers a modern approach to road quality assessment, providi