Meter cartridge for a volumeter for liquids, with a designed as a cup insert housing (26, 28), in which an impeller (44, 78) is rotatably arranged in the cup base and a first end of the impeller (44, 78) supporting impeller shaft (42) is mounted, with a second bearing plate (58), on which a second end of the impeller shaft (42) is mounted, with at least one intake recess (54) in a cup wall (28) of the measuring insert housing and with at least one outflow opening (34) in the cup base (26), wherein the bottom of the cup (26) by means of a first bearing plate (26) as well as the cup wall (28) by means of a cup wall, in particular hollow cylindrical, hollow body (28) are formed, in the measuring insert housing (26, 28) at least one bypass recess (38) is arranged, through which a bypass volume flow of the inflow side (72) directly, i.e, bypassing the by the paddle wheel (44) which is swept area, to the outlet side (74) is guided, wherein the total volume flow upstream of the division into a counting volume current and in the bypass volume flow of the inflow side, is passed into an annular flow channel, the substantially by the cup wall of the meter cartridge is arranged, and the at least one bypass recess (38) in the region of the cup wall (28) which, in the axial direction of the impeller shaft (42), between the impeller (44, 78) and the first bearing plate (26), in the first bearing plate (26) is arranged.
展开▼