Method and a device for recording signals

The invention relates to a method and a device for recording at least one signal from an object. The method comprises the following steps. Providing a recording device (1) comprising at least one electrode and/or a sensor, a preamplifier, microprocessor, A/D-converter, memory and a power source, attaching the recording device on the surface of the object (2), activating data collection from the signal obtained from the object (2) when the recording device (1) is in contact to the surface, letting the data collection run continuously for a preset time characteristic for the purpose of the study and returning the recording device (1) to a service provider (3,4) for calculating and analyzing the results off-line with computer programs.