Inspection device of digitalized electric energy meter

The utility model discloses an inspection device of a digitalized electric energy meter, which comprises a signal source, a standard meter, a pulse acquisition circuit, an error processor, a router and an optical fiber conversion module, wherein the signal source is a digital signal source which comprises a signal source logic module and a signal source data processing module; the standard meter is a digital standard meter which comprises a standard meter logic module and a standard meter data processing module used for receiving digital signals and providing standard high-frequency power pulses; the signal source logic module, the standard meter logic module and the error processor are connected by an RS485 bus; the router is connected with the signal source to send data frames output by the signal source to the standard meter processing module and the optical fiber conversion module; the optical fiber conversion module converts digital electric signals into analog optical signals which are sent to a meter to be measured; and the pulse acquisition circuit is connected with the error processor to send the acquired standard high-frequency pulse and the pulse of the meter to be measured to the error processor for comparison. The inspection device can be used for inspecting the digitalized electric energy meters meeting various protocol standards.