High density single head electric heating tube is one kind of electric heating tube, some bad businesses are commonly used in the ordinary single head electric heating pipe to pretend to be high density single head electric heating tube. In order to help customers identify today Ssangyong will tell you what kind of electric heating tube can be called for high density single head electric heat pipe.

1, watching the heating time, in the test voltage, the electric heating pipe from the ambient temperature rise to the test temperature time should be no more than 15min.

2, look at the rated power deviation, in the full heating conditions, the electric tube of the rated power deviation should not exceed the scope of the specified.

3, see the insulation resistance, electric tube factory inspection cold insulation resistance should be no less than 50M.

4, see the insulation strength, electric heat pipe should be in the provision of test conditions and test voltage to keep 1min, and no flashover and breakdown phenomenon.

You in the purchase of high density single head heating tube, may wish to test about the four aspects above, if the test results with the entry, you have to consider the electric heating tube is qualified for high density single head electric heat pipe.