Cartridge resistors Low density heaters up to 5 W / cm2, are elements generally used in not particularly severe working conditions. High density heaters are used in working conditions where higher powers than those usually installed are required. Cartridge heaters with built-in thermocouple. Điện trở dạng hộp (Cartridge heaters)Các bộ gia nhiệt mật độ thấp, …


