The invention provides a metering
automatic testing device, which comprises a main controller, a
data collecting unit, a first testing unit, a second testing unit, an analyzing unit and a data
communication unit, wherein the
data collecting unit, the first testing unit, the second testing unit, the analyzing unit and the
communication unit are respectively connected with the main controller; the
data collecting unit is used for collecting front end data; the first testing unit is used for simulating the terminal function test; the second testing unit is used for testing a communication protocol; the analyzing unit is used for detecting and analyzing a fault; the data
communication unit is used for transmitting data; the main controller consists of an ARM
chip, a data storage
chip and a
chip peripheral circuit; the data collecting unit comprises a plurality of PT / CT sensors and an AD (analog to digital) converter, and the AD converter is arranged between the PT / CT sensors and the main controller; the first testing unit, the second testing unit and the analyzing unit respectively consist of a DSP chip and a
peripheral circuit thereof, and are integrated on one PCB (
printed circuit board); the data communication unit comprises a
wired communication module and a
wireless communication module which are integrated on another PCB. The metering
automatic testing device has the advantages that multiple testing functions can be realized, and the testing result can be automatically compared and analyzed.