The insulation Gap between the walls is atleast 100 mm. and high temperature Ceramic blanket are used as insulation material.
The air circulation motor is mounted on side/top of the equipment and the blower is driven by belt pulley attachment. It protects the motor from Heat build upand damage due to it.
The temperature variation is around +/- 1% of the set value on higher range.
The power supply will be 220/230V AC +- 10% 50 Hz or 440V 3 phase for bigger size as per requirement.