Signal triggering stability measuring device and measuring method thereof

The invention provides a signal triggering stability measuring device and a measuring method thereof.The signal triggering stability measuring device is used for detecting signals of a contact type measuring head and comprises a fixing mechanism used for vertically fixing the contact type measuring head and further comprises a supporting plate and a measuring mechanism; the supporting plate is arranged below the contact type measuring head and is horizontally arranged, the measuring mechanism comprises a reed, an adjusting table, PZT piezoelectric ceramics and a displacement sensor, the reed is connected to the supporting plate through a flexible part and is arranged opposite to the contact type measuring head, the reed is provided with a containing groove in the horizontal direction, and the PZT piezoelectric ceramics are arranged in the containing groove. One end of the adjusting table is connected to the supporting plate, the other end of the adjusting table is inserted into the containing groove, and the