Patent ID: 8721173

Claim:
A temperature calibration device, comprising: a calibrator block having a cavity and one or more heating elements and at least one temperature sensor being thermally coupled to the calibrator block, wherein the heating elements and the temperature sensor are connected to a control system being adapted for controlling the temperature of the calibrator block; wherein the calibrator block is at least partly surrounded by a thermally insulating material; and a gas supply comprising a blower, wherein: the calibrator block includes surface structure to form a number of channels between the calibrator block and the thermally insulating material; the control system is connected to the gas supply and adapted for activating or deactivating the gas supply; the blower is provided for forcing gas through the channels; the control system is arranged for controlling the blower; and at least a part of each channel has a cross section having a smallest transverse dimension being smaller than 10 mm.