Geotechnical thermal physical property tester

The utility model relates to a geotechnical thermal physical property tester. The tester comprises a tester body and also comprises a voltage stabilizer, wherein the voltage stabilizer is electrically connected with the tester body, and the voltage stabilizer is also electrically connected with an external power supply through a cable. The voltage stabilizer is adopted, and the power supply passes through the long-distance cable and then is connected with the geotechnical thermal physical property tester through the voltage stabilizer, so voltage drop generated by the long-distance temporary cable of a construction site is eliminated, the stability of the input voltage is ensured, the accuracy of the output data is ensured, and the measurement is more accurate.