Patent ID: 7661557

Claim:
metering device for a medium, comprising: an applicator with an applicator housing, said applicator housing having at least one application orifice for a medium discharge, a medium store, a metering pump for conveying the medium out of said medium store to the applicator, said metering pump having a movable pump portion, an electronic counting module, said electronic counting module having at least one stroke detection means operatively engaging said movable pump portion, a data processing processor for detecting and evaluating signals from said stroke detection means in response to operation of said movable pump portion, an indicator unit for indicating data produced by the data processing processor, and a current source for supplying the data processing processor with current, wherein the applicator housing has a receptions space, wherein the electronic counting module has a module housing, external dimensions of said module housing being adapted to internal dimensions of said reception space, said module housing having an inspection window behind which said indicator unit is positioned and viewed through said inspection window, wherein the reception space has a mounting and demounting orifice through which said module housing can be inserted completely into the reception space, wherein fastening means are provided to facilitate a fastening of the module housing in the reception space, and wherein the reception space additionally has an outwardly open clearance, in which the inspection window of the module housing is configured to be received when the module housing is mounted in the reception space.