SE501	Unit of 3 test mantle type with 3 energy regulator
SE502	Unit of 6 test mantle type with 6 energy regulator
SE503	Unit of 3 test mantle type with 3 PID Controller dual display with safety alarm with Loose or Fixed sensor
SE504	Unit of 6 test mantle type with 6 PID Controller dual display with safety alarm with Loose or Fixed sensor