Portable liquid level instrument measuring calibrating device

The utility model discloses a portable liquid level instrument measuring calibrating device to solve the problems that an existing calibrating device is large in size and is dismounted and mounted complexly, and field liquid level instrument calibrating cannot be carried out. The portable liquid level instrument measuring calibrating device comprises a horizontal base, a fixing base, a support, a limiting ring, circular rings and floater stirring sheets. The support comprises two fulcrum bar pipes which are vertically arranged side by side. Each fulcrum bar pipe comprises a lower pipe, a middle pipe and an upper pipe, wherein scales are marked on the outer side wall of the lower pipe from bottom to top, scales are marked on the outer side wall of the middle pipe from bottom to top, and scales are marked on the outer side wall of the upper pipe from bottom to top; the lower end face of the lower pipe is fixedly connected to the horizontal base, the upper end face of the lower pipe and the lower end face of the