The core part of the electric heating tube is the work of the heating wire, and the quality of the heating wire determines the quality of the electric heating tube. Its research on heating wire is to study the resistance of the heating wire, which determines the power of the electric heating tube. The resistance value of the electric heating tube is fixed, and the effect of different electric heating tube power occurs when connected to different working voltages, and the thermal effect is also the same. Usually the smaller the resistance, the larger the wire diameter of the resistance wire, the voltage is fixed, the greater the current through the resistance wire, when the current through exceeds the load of the resistance wire is easy to break and damage, the data indicates that the resistance of the electric heating tube is not the smaller the better, should be according to the actual situation and ensure normal use of the appropriate resistance wire. Next, the editor of Xinhechang electric heating pipe manufacturer will give you a detailed introduction, which has the following two points:
Confirm 2 points of electric heating pipe resistance:
1. Determine the rated voltage and rated power provided to determine the resistance value.
By formula: voltage * voltage / power = resistance.
2. The surface load of the heating wire cannot exceed the standard, generally not exceeding 1.5w/cm²
When selecting the resistance of electric heating tube production, it is mainly based on the rated voltage and rated power provided by the customer, and at the same time, we must also consider the bearing capacity of the surface load of the resistance wire. This ensures the service life of the electric heating tubes.
