A method for calibrating a device for the thermal analysis of samples, the device comprising: - a sample chamber having a plurality of sample holders (14-1 to 14-4), which are in each case constructed for holding a sample (P1 to P4), - a controllable temperature control device (16-1 to 16-4) for each of the plurality of sample holders (14-1 to 14-4), which is assigned to the same, for controlling the temperature of the sample (P1 to P4) held by this sample holder (14-1 to 14-4), - a temperature measuring device (16-1 to 26-4) for measuring the temperature of the samples (P1 to P4), - a photothermal measuring device (18, 20, 22) for irradiating a first side of the samples (P1 to P4) with an electromagnetic excitation pulse and for detecting thermal radiation emitted by a second side of the samples (P1 to P4), which is opposite the first side, as a consequence of the excitation pulse, - a control and evaluation device for controlling the temperature control devices (16-1 to 16-4) and the photothermal measuring device (18, 20, 22) and for recording measurement data, which represent at least one physical property of the samples (P1 to P4), which is different from the temperature of the samples (P1 to P4), as a function of the temperature of the samples, characterized in that the method for calibration comprises: - carrying out photothermal measurements by means of the photothermal measuring device (18, 20, 22) - on a certain sample, which is held successively in the plurality of sample holders (14-1 to 14-4) for this purpose and in each case subjected to a photothermal measurement, or - on a plurality of samples of the same kind, which is held in each case in one of the plurality of sample holders (14-1 to 14-4) for this purpose and are in each case subjected to a photothermal measurement, wherein, in the photothermal measurements, in each case a first side of the relevant sample is irradiated with an electromagnetic excitation pulse and thermal radiation emitted by a second side of this sample, which is opposite the first side, as a consequence of the excitation pulse, - comparing results of the photothermal measurements for the plurality of sample holders (14-1 to 14-4), - determining at least one correction parameter in each case for each sample holder (14-1 to 14-4) based on a result of the comparison, - calibrating the temperature measuring device (26-1 to 26-4) and/or the temperature control devices (16-1 to 16-4) based on the correction parameters determined. - a sample chamber having a plurality of sample holders (14-1 to 14-4), which are in each case constructed for holding a sample (P1 to P4), - a controllable temperature control device (16-1 to 16-4) for each of the plurality of sample holders (14-1 to 14-4), which is assigned to the same, for controlling the temperature of the sample (P1 to P4) held by this sample holder (14-1 to 14-4), - a temperature measuring device (16-1 to 26-4) for measuring the temperature of the samples (P1 to P4), - a photothermal measuring device (18, 20, 22) for irradiating a first side of the samples (P1 to P4) with an electromagnetic excitation pulse and for detecting thermal radiation emitted by a second side of the samples (P1 to P4), which is opposite the first side, as a consequence of the excitation pulse, - a control and evaluation device for controlling the temperature control devices (16-1 to 16-4) and the photothermal measuring device (18, 20, 22) and for recording measurement data, which represent at least one physical property of the samples (P1 to P4), which is different from the temperature of the samples (P1 to P4), as a function of the temperature of the samples, - carrying out photothermal measurements by means of the photothermal measuring device (18, 20, 22) - on a certain sample, which is held successively in the plurality of sample holders (14-1 to 14-4) for this purpose and in each case subjected to a photothermal measurement, or - on a plurality of samples of the same kind, which is held in each case in one of the plurality of sample holders (14-1 to 14-4) for this purpose and are in each case subjected to a photothermal measurement, wherein, in the photothermal measurements, in each case a first side of the relevant sample is irradiated with an electromagnetic excitation pulse and thermal radiation emitted by a second side of this sample, which is opposite the first side, as a consequence of the excitation pulse, - comparing results of the photothermal measurements for the plurality of sample holders (14-1 to 14-4), - determining at least one correction parameter in each case for each sample holder (14-1 to 14-4) based on a result of the comparison, - calibrating the temperature measuring device (26-1 to 26-4) and/or the temperature control devices (16-1 to 16-4) based on the correction parameters determined.