(1) The heat chamber should be used as a dedicated chamber for measuring heat generation, and no other experimental work should be carried out indoors;

(2) Indoor curtains should be equipped to avoid direct sunlight;

(3) It is advisable to measure the temperature change no more than 1 ℃ each time; The temperature difference between winter and summer should not exceed 15-30 ℃. Therefore, those who have the conditions should prepare air conditioning equipment;

(4) When measuring heat generation, strong ventilation and heat source radiation should be avoided indoors. In short, in order to reduce the impact of environmental conditions on the heat generation measurement results, the heat generation measurement room should maintain a relatively constant room temperature as much as possible. The measurement of heat generation shall not be carried out before the room temperature remains constant.