Multifunctional digital display meter

The invention relates to the technical field of digital display meters, and discloses a multifunctional digital display meter, which comprises a main body assembly, a fixed shell, a digital display meter body, a guide block and a sealing ring, the digital display meter body is arranged in the fixed shell, the guide block is fixed on the surface of the digital display meter body, and the sealing ring is fixed on the surface of the digital display meter body; and the fixing assembly is arranged in the fixing shell and comprises a connecting piece, a cleaning piece, a fixing piece and a detecting piece. The digital display meter has the beneficial effects that the digital display meter body can be quickly disassembled and assembled through the arrangement of the fixing assembly, an operator does not need to specially connect a wire, the pins can be protected and prevented from being damaged in the disassembling and assembling process, the ends of the pins can be cleaned during installation, poor contact caused b