The HG-Series include 4 models with innovative features and functions. The chamber diameter of the HG-50 and HG-80 is 14.3" (36.4 cm) while the chamber diameter of the larger HG-113 and HG-133 is 19.7" (50.0 cm). Features and functions include the following:

• Automatic Lid Opening Button replaces a foot pedal.
• Automatic Lid Closing Button closes lid conveniently and safely.
• Safety Interlock senses pressure and temperature and prevents lid from opening during a cycle, when the chamber is pressurized, and when the high temperature can cause boil over.
• Programmable Auto-Start for running a cycle from 1 to 99 hours later.
• Large (15 liters) / Efficient Steam Condenser ensures no steam exhausts into the lab. The HG-113 and HG-133 incorporate a radiator for this.
• Over-Flow Lamp indicates that the drain bottle is full and ready to be emptied.
• Built-in Cooling Fan for faster post-sterilization cooling and shorter completion time.
• Selectable Rate of steam venting after sterilization.
• Programmable Time for air removal before sterilization.
• Twelve Programs Cycles can be stored.
• Large Control and Display Panel improves functionality and shows the progress of the sterilization cycle.