Abstract: A rotor device for a peristaltic pump containing a housing, a supporting shaft extending in an axial direction and being mounted in the housing, a rotor which contains a rotor-body mounted on the supporting shaft and extending in a radial direction from the supporting shaft and a plurality of rollers, mounted on the radially outer portion of the rotor-body and a driving device connected to the supporting shaft for driving the rotor, in which the peristaltic pump further contains a number of roller-markers corresponding to the number of rollers, in which the roller-markers indicate a dead zone, the roller-markers are provided directly or indirectly on the supporting shaft.

Abstract: The invention relates to a rotor device for a peristaltic pump comprising a housing, a supporting shaft extending in an axial direction and being mounted in the housing, a rotor comprising a rotor-body mounted on the supporting shaft and extending in a radial direction from the supporting shaft and a plurality of rollers, mounted on the radially outer portion of the rotor-body and a driving device connected to the supporting shaft for driving the rotor, wherein the peristaltic pump further comprises a number of roller-markers corresponding to the number of rollers, wherein the roller-markers indicate a dead zone, the roller-markers are provided directly or indirectly on the supporting shaft.

Abstract: The machine for microbiological analysis of a support comprises an enclosure (5, 100) adapted to receive said support (6), a window (40) for passage of said support (6) and a cover (18) for obturating said window (40), an air inlet aperture (157), an air evacuation flue (159) communicating with said enclosure (5, 100), a valve (156) for obturating said flue (159), a blower (150) connected to said air inlet aperture (157), and a control unit for the blower (150), the valve (156) and the cover (18) that is adapted to command the closing of the cover (18) and of the valve (156) as well as the operation of the blower (150) in a first mode, to command the opening of the cover (18) and the operation of the blower (150) in a second mode, and to command the opening of the valve (156) and the operation of the blower (150) in a third mode.