Abstract: In order for the handling of a pipette to be improved, the pipettes (1) according to the invention and a method according to the invention for setting a volume of a pipette to be pipetted are proposed. In the case of the pipette (1) it is provided that the activation element (7) for activating the ejection mechanism (6) for ejecting a pipette tip forms a conduit (9) for the pipetting button (3). On account thereof, an activation face (10) of the activation element (7) is enlarged in such a manner that the handling of the ejection mechanism (6) of the pipette (1) is in particular simplified and is particularly comfortable. It is furthermore also proposed that the activation element (7) is coupled to the volume adjustment mechanism (11) of the pipette, and the adjustment of the volume to be pipetted by the pipette (1) is performed with the aid of a movement of the activation element (7)(FIG. 4).

Abstract: A mixer (1) having a measuring device (5) for determining a torque which can be applied using a mixing device drive (3) of the mixer to a medium to be mixed. The mixing device drive (3) is mounted to pivot within the housing (2) of the mixer (1) and is supported at least indirectly against at least one rotational direction of its two rotational directions. With the aid of the measuring device (5), a reaction force of this at least one support can be detected and from this, the torque applied by the mixing device drive can be determined.

Abstract: The present invention relates to a rotary evaporator (1) comprising an evaporator flask (10) and a heating bath (20), wherein the evaporator flask (10) can be dipped into the heating bath (20), further comprising a dipping control device (40) for controlling the dipping depth of the evaporator flask (10) into the heating bath (20), wherein the dipping control device (40) is set up to determine the level (25) of the heating bath (20) and wherein the dipping control device (40) is set up to control the dipping depth of the evaporator flask (10) into the heating bath (20) in dependence on the level (25) of the heating bath (20).

Abstract: For simplified dismantling of manual metering devices (1), the manual metering device (1) proposed is one which comprises the component carrier (5). This component carrier (5) can be pushed into its use position in the housing (4) through the insertion opening (10) present in the housing (4). The releasable connection (11), which can be released in particular from the outside, is provided for the releasable fastening of the component carrier (5) in its use position within the housing (4).

Abstract: In order for it to be possible for the user of a manual metering apparatus (1) to be provided with different options for adjusting a manual metering apparatus (1), in particular a pipette, the manual metering apparatus (1) according to the invention is proposed, in the case of which the operating element (5) for operating the volume adjusting mechanism (3) of the manual metering apparatus (1) is constructed in two pieces and comprises a display adjusting element (7) which is connected to the volume display (4) of the manual metering apparatus (1), and the volume adjusting element (8) which is connected to the volume adjusting mechanism (3) of the manual metering apparatus (1). The display adjusting element (7) and the volume adjusting element (8) are connected to one another via the releasable coupling (9), with the result that a volume adjustment leads to a corresponding adjustment of the volume display and vice versa, as long as the coupling (9) is closed.

Abstract: The invention relates to an easily personalized magnetic stirrer (1), which has a base body (2). The hood (5) can be put over this base body (2). The receiving space (6) for inserting a decorative inlay is then formed between the hood (5) and the base body (2). The receiving space (6) and a decorative inlay (7) inserted therein can be viewed from the outside through an at least area-wise transparent set-up area (4), which is arranged or formed on the hood (5) (see FIG. 1 for comparison).

Abstract: The invention relates to improvements in the technical field of feeding solid materials to mixing devices. For this purpose, the solid-material feeding device, inter alia, is proposed. The solid-material feeding device comprises the slide, which can be moved between a first end position and a second end position through a conveying connection, which is arranged between a funnel and a solid-material outlet of the solid-material feeding device. By means of the slide, adhesions within the conveying connection can be loosened without having to remove the conveying connection.

Abstract: In order to facilitate disassembly of the fluid dispensing unit (4), the latter has the covering cap (17) with which at least one sealing means (18) located in the head part (12) of the fluid dispensing unit (4) can be fixed in its use position. In order to release the covering cap (17) from the head part (12), said covering cap is rotatable relative to the head part (12). A releasable snap connection (19) is provided between the covering cap (17) and the head part (12), said snap connection being formed by at least one latching projection (20) and/or at least one latching depression (21), wherein at least one oblique surface (22) is formed on the latching projection (20) and/or on the latching depression (21), said surface being oriented in such a manner that the snap connection (19) can be released by rotation of the covering cap (17) relative to the head part (12) (FIG. 3).

Abstract: The manual dosing device (1) comprises the main body (3) that can be screwed to the fluid discharge unit (4), the detent connection (10) being provided alongside the screw connection (6) for removably connecting the main body (3) to the fluid discharge unit (4), which detent connection is locked by connecting the main body (3) and the fluid discharge unit (4) together (cf. FIG. 5).

Abstract: In order to be able to adapt a manual dosing device (1), in particular a pipette (2), to differently sized hand dimensions, the manual dosing device (1) at whose main body (3) at least one grip (5) or exchangeable grip is releasable, fastenable or fastened is proposed. Adaptation of the manual dosing device (1) to users having different hand sizes can be performed by removing the grip (5) or by changing the grip (5) and replacing the grip (5) with a grip (5) having different dimensions (FIG. 1).

Abstract: The invention relates to a closure for an electrochemical reaction vessel, in particular a potentiostat, the closure comprising: a holder for holding electrodes arranged at an inner side of the closure such that, when the closure is attached to a reaction vessel, electrodes held by the holder extend into an interior space of the reaction vessel and into an electrolyte contained in the reaction vessel; and a plurality of contacts arranged at an outer side of the closure for providing electrical contacts with the electrodes.

Abstract: The invention relates to a device (1) having a base station (2) and at least one processing unit (3) that can be detached from the base station (2), having a tool (4) for processing a medium, wherein the processing unit (3) is provided with a vessel (5) for receiving the medium, a closure unit (6) for closing the vessel (5) and a sensor device (13) for measuring at least one parameter of the medium, wherein the sensor device (13) is disposed in and/or on the vessel (5) in a stationary manner such that a reliable measurement of a parameter can be carried out simultaneously with processing of the medium, and in that the device (1) has a wireless module (7) for producing a wireless connection between the base station (2) and the processing unit (3) at least for transmitting data.

Abstract: The insert shelf (1) is characterized in that it has at least one means (3) with which an incubation medium located in an incubation vessel placed on the insert shelf (1) can be set in motion during an incubation treatment or during an incubation process in an incubator (2). For this purpose, the at least one means (3) can be operated electrically and/or preferably moved mechanically.

Abstract: The invention relates to a mixing device (1) for intermixing powder particles and/or granular particles, or a similar free-flowing solid with at least one liquid. The mixing device comprises a feed duct (5) for a solid, an inlet (17) for the liquid, at least one mixing implement (8) that is rotatable about an axis in a mixing chamber (7), and an outlet for the mixture. The device is characterised by a delivery pump (14) which is arranged between the inlet (17) and the mixing implement (8).

Abstract: The invention relates to a closure for an electrochemical reaction vessel, in particular a potentiostat, the closure comprising: a holder for holding electrodes arranged at an inner side of the closure such that, when the closure is attached to a reaction vessel, electrodes held by the holder extend into an interior space of the reaction vessel and into an electrolyte contained in the reaction vessel; and a plurality of contacts arranged at an outer side of the closure for providing electrical contacts with the electrodes.

Abstract: The invention relates to a dispersion tool (4) that can be cleaned more easily. For this purpose, the dispersion rotor (8) is arranged on the dispersion tool (4) axially moveable between the working position in the shaft tube (5) and the cleaning position outside the shaft tube (5), the dispersion rotor (8), in the cleaning position, being preferably completely arranged outside the shaft tube (5) and therefore being more easily cleanable.

Abstract: To simplify the handling of a dispersing device (1) and for the unique identification of dispersing tools (5) that are connectable to a drive unit (3) of the dispersing device (1), it is provided that the dispersing tool (5) has a transponder (10) and the dispersing device has a transmitter-receiver unit (11) for reading out the transponder (10).

Abstract: The invention relates to a mixing device (1) for intermixing powder particles and/or granular particles, or a similar free-flowing solid with at least one liquid. The mixing device comprises a feed duct (5) for a solid, an inlet (17) for the liquid, at least one mixing implement (8) that is rotatable about an axis in a mixing chamber (7), and an outlet for the mixture. The device is characterised by a delivery pump (14) which is arranged between the inlet (17) and the mixing implement (8).