The DHS operation is based on hot air recirculation technique.
The centrally placed load is subjected to hot air circulation by means of an impeller and heater bank arrangement.
Centrally placed impeller ensures circulation via heater bank spaced in the recirculation zone.
Clean air for recirculation is sucked via the Pressure module through a pre filter and high retention HEPA filter (99.997% efficiency)
The efficiency of DHS depends on the velocity and circulation pattern of air within the sterilization zone.