Abstract: A gravimetric measuring system (10) includes a balance (12) with a weighing chamber (22) surrounded by a plurality of weighing chamber walls (23, 24, 26, 28); an electromechanical weighing system (181) enclosed by an adjoining weighing system chamber (18); and an electronic control apparatus (36) for controlling the system operation according to algorithms stored in a memory (363) of the control apparatus. A plurality of functional modules (14, 16) that generate heat during operation are insertable into module receptacles (283) arranged on at least one weighing chamber wall (28). A plurality of interacting measures, such as providing the module receptacles with device-side identification and thermal interface components and the functional modules with module-side identification and thermal interface components that interact, lead to a controllable measuring system that is flexibly equipped and calibratable.

Abstract: A gravimetric measuring system (10), includes a balance (12) with a weighing chamber (22) surrounded by a weighing chamber wall (23, 24, 26, 28); an electromechanical weighing system (181); an electronic control apparatus (36) for controlling the system operation according to algorithms stored in a memory (363) thereof; and a plurality of functional modules (14, 16) configured to be inserted into module receptacles (283) arranged on the weighing chamber wall (28). Each module receptacle (283) has a device-side identification interface component (30a); and each functional module has a corresponding module-side identification interface component (30b). The control apparatus (36) identifies each functional module (14, 16) inserted into a module receptacle (283), through interaction between the respective device-side and module-side identification interface components (30a, 30b) and selects one of a plurality of operating routines according to algorithms stored in the memory.

Abstract: A gravimetric measuring system (10) includes a balance (12) with a weighing chamber (22), surrounded by a plurality of weighing chamber walls (23, 24, 26, 28); an electromechanical weighing system (181); and an electronic control apparatus (36) controlling the system operation according to routines stored in a memory (363) thereof; and a plurality of functional modules (14, 16), configured to be inserted into module receptacles, arranged on at least one weighing chamber wall (28). The at least one weighing chamber wall (28) is designed as a carrier structure, with recesses (283) which constitute clearances occupying a majority of the wall surface and which form the module receptacles. Either the functional modules (14, 16) or diaphragms (15) without a weighing function close the recesses and are spatially adapted to the recesses.

Abstract: A gravimetric measuring system (10) includes a balance (12) with a weighing chamber (22), surrounded by a plurality of weighing chamber walls (23, 24, 26, 28); an electromechanical weighing system (181); and an electronic control apparatus (36) controlling the system operation according to routines stored in a memory (363) thereof; and a plurality of functional modules (14, 16), configured to be inserted into module receptacles, arranged on at least one weighing chamber wall (28). The at least one weighing chamber wall (28) is designed as a carrier structure, with recesses (283) which constitute clearances occupying a majority of the wall surface and which form the module receptacles. Either the functional modules (14, 16) or diaphragms (15) without a weighing function close the recesses and are spatially adapted to the recesses.

Abstract: A gravimetric measuring system (10) includes a balance (12) with a weighing chamber (22), surrounded by a plurality of weighing chamber walls (23, 24, 26, 28); an electromechanical weighing system (181), enclosed by an adjoining weighing system chamber (18); an electronic control apparatus (36) for controlling the system operation according to algorithms stored in a memory (363) thereof; and a plurality of functional modules (14, 16), which generate heat during operation and are configured to be inserted into module receptacles (283), arranged on at least one weighing chamber wall (28). A plurality of interacting measures lead to an advantageously controllable system that can be flexibly equipped, but is nonetheless calibratable.

Abstract: A gravimetric measuring system (10), includes a balance (12) with a weighing chamber (22), surrounded by a weighing chamber wall (23, 24, 26, 28); an electromechanical weighing system (181); and an electronic control apparatus (36) for controlling the system operation according to algorithms stored in a memory (363) thereof; and a plurality of functional modules (14, 16), configured to be inserted, into module receptacles (283), arranged on the weighing chamber wall (28). Each module receptacle (283) has a device-side identification interface component (30a); and each functional module has a corresponding module-side identification interface component (306). The control apparatus (36) identifies each functional module (14, 16) inserted into a module receptacle (283), through interaction between the respective device-side and module-side identification interface components (30a, b) and selects one of a plurality of operating routines according to algorithms stored in the memory.

Abstract: A cover (24) of a draft shield (12) of a precision balance (10), has a support frame (36) on which holding elements (40) and/or guide rails (38) are provided for a front panel (18) and/or at least one side panel (26), and a cover element (54) which is pivotable, about a bearing (60) provided at one edge, between a holding position and a releasing position. At the edge positioned opposite the bearing are holding elements (72, 74) which fix the cover element at the opposite edge of the support frame, wherein the holding elements can be released by displacing at least one portion of the cover element in the direction toward the bearing.

Abstract: A weighing chamber base (34) for a precision balance (10) has a weighing base section (98) and two side cheeks (100), which extend perpendicularly from the weighing base section, and which are arranged on opposite edges (102) of the weighing base section outside the draft shield (12). Also, a draft shield (12) that has such a weighing chamber base (34), and has at least one side panel (26), which can be moved between an open position and a closed position. The side cheeks of the weighing chamber base form a section of the side walls (22) of the draft shield (12).

Abstract: A weighing compartment (10) having a work surface (22), including a balance which is integrated into the weighing compartment and which has a scale pan (24) arranged on the work surface (22), and at least one operation surface (26) which is arranged within the area of the work surface (22). The work surface (22) is formed by the surface of a smooth, continuous plate (20) and the operation surface (26) is integrated into the work surface (22) and is designed as a sensor panel, wherein a sensor (28) is arranged below the plate which forms the work surface.

Abstract: A draft shield for a precision balance surrounding a weighing chamber (16), with a side panel (26) and a suspension guide (78) for the side panel. The suspension guide has a guide rail (38) and a holding device (84) for the side panel that is displaceably mounted in the guide rail. The holding device has a seating (86) for the side panel and a guide element (92) which engages in the guide rail and is displaceably mounted therein, wherein the side panel is held with an upper edge (76) in the holding device. The guide element is arranged outside a plane (E) defined by the side panel seating; the holding device is mounted in the guide rail pivotable about a contact line (96) between the guide element and the guide rail. The plane (E) is offset outwardly relative to the guide rail in relation to the weighing chamber.

Abstract: A cover (24) of a draft shield (12) of a precision balance (10), has a support frame (36) on which holding elements (40) and/or guide rails (38) are provided for a front panel (18) and/or at least one side panel (26), and a cover element (54) which is pivotable, about a bearing (60) provided at one edge, between a holding position and a releasing position. At the edge positioned opposite the bearing are holding elements (72, 74) which fix the cover element at the opposite edge of the support frame, wherein the holding elements can be released by displacing at least one portion of the cover element in the direction toward the bearing.

Abstract: A weighing chamber base (34) for a precision balance (10) has a weighing base section (98) and two side cheeks (100), which extend perpendicularly from the weighing base section, and which are arranged on opposite edges (102) of the weighing base section outside the draft shield (12). Also, a draft shield (12) that has such a weighing chamber base (34), and has at least one side panel (26), which can be moved between an open position and a closed position. The side cheeks of the weighing chamber base form a section of the side walls (22) of the draft shield (12).

Abstract: A device for manual fine metering of a substance, in particular in powder form, provided with a manual transport tool (24), also having a movable part (32) configured to be induced to vibrate by a motor and wherein the transport tool (24) is held against the movable part (32) in order to induce the transport tool (24) to vibrate. An electronic scale (10) provided with a device of this type enables better manual metering.

Abstract: A load cell (10), which includes a weighing system (14) having a force application point (18), a load boom arm (20) for receiving the loads to be weighed at a position remote from the force application point (18) and an adjusting device, wherein an adjusting weight boom arm (28) is provided which extends in a longitudinal direction (A) defined by the load boom arm on the side opposing the load boom arm (20) relative to the force application point (18) and which has at least two pre-determined adjusting weight engagement points (36, 38). An activating unit (34) places at least one adjusting weight (30, 32) on at least one of the adjusting weight engagement points (36, 38).

Abstract: A balance having at least one adjusting device (2, . . . ) having a drive, wherein the drive of the adjusting device is configured as a fluidic drive (4, . . . ), to which pressure can be applied by a pressure source disposed outside the scales via a pressure connection.

Abstract: A method for testing integrity of a hydrophobic, porous diaphragm filter (42) includes arranging the filter (42) in a non-wetted state in a test housing (30) so that the filter (42) divides an upstream housing region (30a) from a downstream housing region (30b), completely filling the upstream housing region (30a) with a test liquid that does not wet the hydrophobic diaphragm filter (42), incompletely filling a reservoir (12) that is connected to a liquid feed line (16) of the test housing (30), charging the reservoir (12) with compressed air at a constant pressure below the intrusion pressure of the filter, and determining a substance flow at the reservoir (12). The substance flow to be determined is a mass flow out of the reservoir (12) determined as a decrease in the overall weight of the reservoir (12).

Abstract: A device for manual fine metering of a substance, in particular in powder form, provided with a manual transport tool (24), also having a movable part (32) configured to be induced to vibrate by a motor and wherein the transport tool (24) is held against the movable part (32) in order to induce the transport tool (24) to vibrate. An electronic scale (10) provided with a device of this type enables better manual metering.

Abstract: A weighing compartment (10) having a work surface (22), including a balance which is integrated into the weighing compartment and which has a scale pan (24) arranged on the work surface (22), and at least one operation surface (26) which is arranged within the area of the work surface (22). The work surface (22) is formed by the surface of a smooth, continuous plate (20) and the operation surface (26) is integrated into the work surface (22) and is designed as a sensor panel, wherein a sensor (28) is arranged below the plate which forms the work surface.

Abstract: A load cell (10), which includes a weighing system (14) having a force application point (18), a load boom arm (20) for receiving the loads to be weighed at a position remote from the force application point (18) and an adjusting device, wherein an adjusting weight boom arm (28) is provided which extends in a longitudinal direction (A) defined by the load boom arm on the side opposing the load boom arm (20) relative to the force application point (18) and which has at least two pre-determined adjusting weight engagement points (36, 38). An activating unit (34) places at least one adjusting weight (30, 32) on at least one of the adjusting weight engagement points (36, 38).

Abstract: A work booth (22) having a work chamber (20) and an integrated scale (10) that includes a load carrier (12) which is arranged in the work chamber (20) of the work booth (22), a weighing system (14) which is arranged outside the work chamber of the work booth (22), and a coupling element (16) which connects the load carrier (12) to the weighing system (14). The work chamber (20) of the work booth (22) has a ventilation opening (28), through which air can be extracted from the work chamber (20) of the work booth (22).