Patent classifications
G01G19/303
Precision scale having a removable climate module
A precision balance including a weighing chamber (16); a draft shield (18, 20, 22), which surrounds the weighing chamber (16); a climate module (34), which is detachably disposed in the weighing chamber (16); a processor (32) and a data input unit, which both form part of the overall precision balance; and a data transmission path, over which data is exchanged between the climate module (34) and the processor (32). Also disclosed is a climate module for a precision balance. The climate module (34) forms a self-contained modular unit and includes an air pressure sensor (62), an air humidity sensor (54) and an air temperature sensor (52) The climate module also includes a data transmission path configured to transmit data to a processor external to the climate module, and a mounting mechanism configured to secure the climate module detachably to a weighing module (10).
METHOD FOR OPERATING MASS COMPARATOR WITH REMOVABLE CLIMATE MODULE
A mass comparator including a weighing chamber (16); a draft shield (18, 20, 22), which surrounds the weighing chamber; a climate module (34), which is detachably disposed in the weighing chamber; a processor (32), a data input unit, and a data transmission path, over which data is exchanged between the climate module and the processor. The processor is programmed to use the air pressure, the air humidity and the air temperature in the weighing chamber to determine, based on the density of a substance to be weighed, an air buoyancy of at least one test sample and/or a buoyancy correction factor. Also disclosed are a climate module configured to electrically yet detachably couple to a mass comparator, and a method for operating a mass comparator including determining the air buoyancy and/or the buoyancy correction factor.
Dosing device with integrated balance and climate module
A dosing device with a balance, which includes a weighing chamber (16); a processor (32); a climate module (34), which is disposed in the weighing chamber (16); a data transmission path, over which data is exchanged between the climate module (34) and the processor (32); and a mixing formulation display (30). Also disclosed are a climate module configured to electrically couple to a dosing device in a detachable manner, wherein the climate module (34) forms a self-contained modular unit and includes various sensors (52, 54, 62) and a path over which data is transmitted to a processor external to the climate module, and a method for mixing a formulation, using a dosing device, wherein ambient conditions are detected during dosage of the substances to be combined, and the mixing ratio is adjusted in accordance with the detected ambient conditions.
Balance for calibrating pipettes
A balance including a weighing chamber (16); a draft shield (23), which surrounds the weighing chamber; a climate module (34), which is detachably disposed in the weighing chamber; a processor (32), which is programmed to provide an evaporation rate correction value; a data input unit; and a data transmission path, over which data is exchanged between the climate module and the processor. Also disclosed are a climate module configured to electrically yet detachably couple to a balance, wherein the climate module forms a self-contained modular unit and includes various sensors (52, 54, 62) and a path over which data is transmitted to an external processor, and to a method for calibrating a pipette using a balance, wherein an evaporation rate is determined during the calibration process, and the measurement is corrected in accordance with the determined evaporation rate.
PRECISION BALANCE OR MASS COMPARATOR WITH MODULE FOR DETECTING A MEASUREMENT UNCERTAINTY
A precision balance including a weighing chamber (16), a draft shield (18, 20, 22) which surrounds the weighing chamber, a climate module (34) which is detachably disposed in the weighing chamber, a processor (32), a data input unit, and a data transmission path over which data is exchanged between the climate module and the processor. The processor has a measurement uncertainty determining module (33) with which the measurement uncertainty of the balance is determined. Also disclosed are a method for determining a measurement uncertainty of a balance and a climate module 4 that forms a self-contained modular unit, and includes an air pressure sensor (62), an air humidity sensor (54) and an air temperature sensor (52). A data transmission path transmits data to a processor external to the climate module.