The Tracker 2800 and the Tracker 3200S are very similar in overall function but their purposes are different.
The Tracker 3200S is designed to be connected to optional automation hardware such as Access Probers.
The Tracker 3200S includes the Workstation software where it is optional with the Tracker 2800.
The Tracker 3200S has front panel scanning connectors used with custom cables or DIP clips.
The Tracker 2800 has a scaled down selection of ranges since front panel push buttons are used for setting range combinations.
The Tracker 3200S has the full compliment of ranges available with Huntron Workstation.