The utility model relates to the technical field of oil and gas field automatic metering devices, and provides a skid-mounted type double-volume automatic metering device which comprises a skid base, a color sample room and a vertical double-volume automatic separation metering device. The color sample room is fixed on the skid base and comprises a metering room and an instrument control room. The vertical double-volume automatic separation metering device is mounted in the metering room, and an instrument control device is mounted in the instrument control room. The skid-mounted type double-volume automatic metering device is reasonable and compact in structure, easy to install and transport, small in occupied space, and convenient to transfer, and saves investment, saves construction time, achieves skid-mounted prefabrication, greatly reduces construction capacity on scene, and brings great convenient to engineering management. In addition, the skid-mounted type double-volume automatic metering device is convenient to use and maintain, low in production running cost, high in management level, stable, safe and reliable in production run, not only capable of being used for carrying out monitoring operation on a station, but also capable of achieving remote wireless monitoring operation, at the same time, capable of achieving unmanned duty on scene, reducing labor workload, and achieving production full line integration of management and control.