Fat tester

The utility model discloses a fat tester which comprises a bottom plate, a heater is fixedly arranged at the top end of the bottom plate, a heating pad is fixedly arranged at the top end of the heater, a heat preservation shell is fixedly arranged at the top end of the heater, a beaker is arranged at the top end of the heating pad, and grooves are formed in the two sides of the interior of the heat preservation shell. The cover plate can be stabilized at the top end of the heat preservation shell under the action of the telescopic rod and the limiting block, and the beaker is sealed in the heat preservation shell, so that the operation is simple and convenient, external dust and other impurities are prevented from falling into the beaker to influence fat determination, and the use convenience of the cover plate is improved; the beaker can be moved out of the heat preservation shell under the condition that the beaker is not contacted, the situation that operators are injured by the heated beaker is avoided, m