The diagnosis of electronic systems in construction machinery is a challenge due to the high integration of components, computers, sensors and actuators present in modern equipment. This work develops a prototype of a multi-channel wireless measurement system that allows creating a measurement network at different points of the equipment to intervene simultaneously. Several measurement modules send data to a central or master module that processes them and in turn sends them to a display device. The develops of the prototype is carried out through component integration techniques to improve their measurement, visualization and size characteristics. Finally, both laboratory and field tests are carried out where the prototype and their potential in the diagnosis of construction machinery are evaluated.