Abstract:
A method for dosing a liquid using a pipette with adjustable dosing step size and an indicating equipment and a syringe that can be operated using the pipette, wherein the syringe is detachably connected to the pipette, at option, the dosing step size is set, or the dosing step size set before is maintained, the dosing volume adjusted via the dosing step size is indicated by means of the indicating equipment, the maximum number of dosing steps possible without refilling the syringe, with the set dosing step size and completely filled syringe is indicated by means of the indicating equipment, liquid is aspirated into the syringe, a reverse stroke is performed after the syringe is filled with liquid, dosing steps are performed, the performed dosing steps are counted and the number of performed dosing steps and/or the number of dosing steps still possible without refilling the syringe is determined and indicated by means of the indicating equipment, after performing the maximum number of dosing steps possible without refilling the syringe, either the syringe is detached from the pipette, or the previous steps are performed anew by means of the same syringe, wherein in the dosing step, the overall performed number of dosing steps with the syringe with the set dosing step size is counted, and/or the number of dosing steps still possible without refilling the syringe is determined and indicated by means of the indicating equipment.
Abstract:
A transport unit for carrying a plurality of lidded containers includes two parallel retaining plates, which have an arrangement of openings for retaining the lidded containers. The lidded containers are tubular containers with a closure lid at the top of the container which projects radially outward with respect to the container. Lidded containers of a group of lidded containers are held parallel to each other by the openings of one retaining plate, and lidded containers of another group of lidded containers are held parallel to each other by openings of the other retaining plate. The lidded containers of the one group are disposed oppositely aligned to the lidded containers of the other group and nested within each other.
Abstract:
The invention relates to an articulated apparatus (10; 20), in particular to a pivot joint for a micromanipulator arangement, for guiding a relative movement of components into a target position, in particular in the case of a micromanipulator arrangement, having at least one first part (11; 21), one second part (12; 22) and one third part (13; 23), wherein the first part and the second part are connected together so as to be movable for carrying out a first relative movement, wherein the second part and the third part are connected together so as to be movable for carrying out a second relative movement, having at least one first stop device (14; 24) and one second stop device (15; 25), wherein by way of the first stop device the first relative movement is blocked in a first stop position, in which the first and second part impact against one another in a first direction, wherein by way of the second stop device the second relative movement is blocked in a second stop position in which the second and third part impact against one another in a second direction, having at least one first fixing device (16; 26) and one second fixing device (17; 27), wherein the first and second part are held by way of the first fixing device in the first stop position in opposition to a release force which is directed in a negative first direction until said release force exceeds a first fixing force, wherein the second and third part are held by way of the second fixing device in the second stop position in opposition to a release force which is directed in a negative second direction until said release force exceeds a second fixing force, and wherein a combined stop position is settable as said target position in which the first stop position and the second stop position are both present.
Abstract:
The invention relates to a laboratory device system and a laboratory device (1.6) for treating fluids and solids, comprising a device module (7) with a unit (2) for treating fluids and solids and an operating and/or display unit (3), an operating and/or display module (8) physically separated from the device module (7) and encompassing the operating and/or display unit (3) in whole or in part, and means (10, 11) for wireless communication (9) between the device module (7) and the operating and/or display module (8), wherein the laboratory device system has an information management system (40), which is arranged remotely from the laboratory device (1.6), is connected to the operating and/or display module (8) via at least one communication channel (CH) and exchanges data with the operating and/or display module (8) when the laboratory device (1.6) is operated.
Abstract:
A pipette with a rod-shaped casing, a seat, a displacement equipment, comprising a displacement chamber with a relocatable limit, a connection channel, a drive equipment for relocating the relocatable limit of the displacement chamber, coupled to the relocatable limit and having an axially relocatable lifting rod, an upper stop body, a lower stop body and a stop element on the circumference of the lifting rod for limiting the stroke of the lifting rod, an overstroke spring, a stationary screw element, and with a screw element that is relocatable in the casing, a toothing, running along a helical line with the same pitch as that of the thread of the relocatable screw element and having teeth on the upper edge of the relocatable screw element that are directed in the direction of the instantaneous axis of the relocatable screw element, a toothed driving wheel, and means for rotating the toothed driving wheel.
Abstract:
The invention is related to a laboratory apparatus and method for the automated processing of liquid samples, in particular for the program controlled handling of liquid samples, having an electronic control device, which is adapted to process a program code for the program controlled processing of fluid samples, at least one processing space for receiving the fluid samples to be processed, at least one electronically controllable sample processing device for performing at least one program controlled process step on at least one sample, which is arranged in the processing space, at least one electronically controllable decontamination device for cleaning at least a part of the processing space, wherein the decontamination device is configured to be controlled by the control device and the control device is configured to digitally control the decontamination device.
Abstract:
The present invention relates to a centrifuge having a compressor cooling device and it also relates to methods for controlling a compressor cooling device of a centrifuge. The centrifuge according to the invention has a controllable throttle device in the refrigeration cycle of the compressor cooling device.