Portable macadamia nut green peel thickness measuring instrument

The utility model belongs to the technical field of measuring devices, and particularly relates to a portable macadamia nut green peel thickness measuring instrument which comprises a first supporting arm, a second supporting arm, a containing part, a torsion spring and a pricking needle. The middle parts of the first support arm and the second support arm are hinged; the containing part is arranged at the end of the first supporting arm. The pricking needle is fixedly connected to the end of the second supporting arm. The torsional spring is arranged at the hinged position of the first supporting arm and the second supporting arm. The pricking needle is arranged at one end of the second supporting arm, corresponding to the containing part, when macadamia nuts are placed in the containing groove, an operator presses the first supporting arm and the second supporting arm so that the first supporting arm and the second supporting arm can be hinged to each other, and at the moment, the pricking needle located on