DMTS-R is a contact type 3D tool setting instrument, which can detect and automatically compensate various broken tools, tool diameters and tool wear. The product adopts radio signal transmission. DMTS-R is composed of a high-precision switch, a hard round contact head with high hardness and high wear resistance and a signal trigger mechanism. The contact head is used to make contact with the tool, and transmits the force to the high-precision switch through the flexible support rod installed under it; the on and off signals from the switch are transmitted through the trigger mechanism, and the receiver transmits the signal after receiving the signal In the numerical control system, the tool length and diameter are recognized, calculated, compensated, and accessed. DMTS-R can automatically identify tool wear and tool breakage, helping companies improve production efficiency and improve product processing accuracy. DMTS-R is an on-machine measuring device, which is mainly used in machine tools with restricted cable usage, such as double-table machining centers.