The utility model discloses a portable universal meter, including shell body (1), cavity (4) of installation pen -shape metre frame (2) are seted up to shell body (1) back bottom, spacing groove (5) have been offered to the both sides of cavity (4), pen -shape metre frame (2) including yoke (maths num='0001') (math) (! [ CDATA [ D: cpc ]) (math) (img file='dest_path_image001. TIF'wi='9'he='25' /) (maths) (6) and yoke (maths num='0002') (math) (! [ CDATA [ D: cpc ]) (math) (img file='54114dest_path_image002. TIF'wi='15'he='30' /) (maths) (7), yoke (maths num='0003') (math) (! [ CDATA [ D: cpc, jpg, ]) the head end portion of (math) (img file='989709dest_path_image001. TIF'wi='9'he='25' /) (maths) (6) and yoke (maths num='0004') (math) (! [ CDATA [ D: cpc, g, ]) the head end portion of (math) (img file='432191dest_path_image002. TIF'wi='15'he='30' /) (maths) (7) is articulated, yoke (maths num='0005') (math) (! [ CDATA [ D: cpc, jpg, ]) (math) (img file='478645dest_path_image001. TIF'wi='9'he='25' /) (maths) (6) and yoke (maths num='0006') (math) (! [ CDATA [ D: cpc, jpg, ]) the tail end of (math) (img file='932760dest_path_image002. TIF'wi='15'he='30' /) (maths) (7) openly sets up double -layered hole (8) respectively, the tail end side sets up the card body (9) that inserts spacing groove (5) respectively, two double -layered hole (8) two interior cartridges pen -shape metre (3). The utility model relates to a rationally, carrying out certain improvement to the casing of current universal meter, having installed the pen -shape metre frame additional, two pen -shape metre isolated relatively gets up through the assembly of pen -shape metre frame originally, and user of service can singlehandedly control, reaches the purpose of convenient operation.