The electric hot air curtain machine can be divided into two types of semiconductor thermalsensitiveceramic heater and a fin electric heating tube heater according to different heating materials.
电热风幕机根据加热材料不同可分为半导体热敏陶瓷加热器和翅片电热管加热器两种。
2
Starting with ceramic PTC thermalsensitive resistor of semi-conductors, the temperature characteristics of the resistance of its thermal materials are discussed.