The utility model discloses a handheld meter -copy device of portable gas table, it includes casing (1), casing (1) including epitheca (1.2) and inferior valve (1.1), epitheca (1.2) on be provided with display screen (2), the side of casing (1) is provided with on & off switch (3) and USB interface (4), epitheca (1.2) and inferior valve (1.1) between be provided with PCB board (7). This meter -copy device simple structure is provided with the display screen, can show the progress of checking meter, the under -voltage suggestion of checking meter, uses the USB interface to carry out data transmission with the battery charges, uses the lithium cell, and safety is durable.