How to calculate the resistance?

- Mar 23, 2019-

1. Determine the rated voltage and rated power to determine the resistance. By formula: voltage * voltage / power = resistance.


2, the surface load of the heating wire is not exceeded, generally not more than 1.5w / cm2;


When selecting the electric resistance tube production value, it is mainly based on the rated voltage and rated power provided by the customer. At the same time, we must also consider the bearing capacity of the surface resistance of the electric resistance wire. Thereby ensuring the service life of the electric heating pipe.