Sensor calibration device

The utility model relates to a sensor calibration device. The sensor calibration device comprises a thermostatic bath; the thermostatic bath is provided with a bath body and a sensor locating disk; a calibration medium is contained in the bath body; the sensor locating disk is provided with sensor through holes; the sensor locating disk is arranged at the upper part of the thermostatic bath so as to seal an opening of the thermostatic bath; sensors are inserted into the calibration medium in the bath body of the thermostatic bath through the sensor through holes in the sensor locating disk so as to be calibrated; and the sensor through holes have apertures adaptable to the sensors inserted into the sensor through holes. The sensor locating and calibration device which can be adaptable to different sensors is provided by the utility model, the sensors can be excellently located in the thermostatic bath so as to avoid the mutual interference among the sensors and the influence on the calibration accuracy of the