Portable measuring instrument for measuring downward inclination angle of base station

The utility model discloses a portable measuring instrument for measuring a downward inclination angle of a base station. The portable measuring instrument comprises a base, a supporting rod and a measuring platform, the measuring platform comprises a bedplate, a supporting column, a rotatable observation cylinder and an arc-shaped angle ruler, one end of the observation cylinder is hinged to thebedplate, the other end of the observation cylinder is rotatably attached to the arc-shaped angle ruler, and an angle mark is arranged on the arc-shaped angle ruler and can read the inclination angleof the observation cylinder at the moment; the portable measuring instrument is simple in structure, light in weight, portable and easy to operate, the downward inclination angle condition of the areato be covered by the base station antenna can be obtained in real time only by scanning the area to be covered by the observation cylinder, the portable measuring instrument is simple, reliable, convenient and rapid, and the c