1, please note that the machine must be safely grounded to avoid electrostatic induction.

2, in the operation, unless there is absolutely necessary, please do not open the door, otherwise it may lead to the following adverse consequences:

(1) the inside of the door is still high temperature, causing burns

(2) high temperature air out of the box, very dangerous

(3) high temperature air may trigger a fire alarm, wrong action

3, please do not turn off in three minutes and then open the refrigeration unit

4, circuit breakers, over-temperature protection, to provide the test items and the operator's safety protection, so please check regularly.

5, before the low temperature, the studio should be dry, 60 ℃ when drying about 1 hour.

6, the test, when the temperature exceeds 54 ℃ above the case, should not open the cold machine.

7, the box placed when the heat test, the power control, please use an external power supply, do not directly use the machine power. Into the high temperature materials for low temperature test should pay attention to open the door to the time as short as possible.

8, high and low temperature test chamber to prohibit the test of explosive, flammable substances.

9, except when necessary, the rest of the time should be closed.