All-purpose meter for frequency source production

The utility model provides a universal meter for frequency source production, which comprises a main body, a display area, a knob, leads, a handheld rod and a contact device, the main body is provided with the display area, the knob, the button and the two leads, one end of each lead is connected with the handheld rod, the bottom of the handheld rod is provided with the contact device, and the touch device is connected with the display area. The contactable device comprises a metal cylinder, a reset spring, a cushion block, a metal rod and a metal sleeve, the metal cylinder is embedded in the bottom of the handheld rod, one end of the metal cylinder is connected with the reset spring, one end of the reset spring abuts against the cushion block, the metal rod is fixed in the cushion block, and one end of the metal rod is sleeved with the metal sleeve. The metal rod can move up and down in the middle of the metal cylinder, the pulling force of the reset spring acts between the cushion block and the metal cylind