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.