The plug-in modules make the main part of the weighing electronic. The Motherboard serves the various power options, holds the solar panel, the LCD and the optional buzzer. It also provides ten push buttons that can be used in stand alone operation.
PS081-EVA-HR high resolution module
external comparator, 4 layers
for highest resolution applications (up to 150,000 divisions) or lowest current applications (solar)
PS081-EVA-STD standard module
internal comparator, 2 layers, few external components
for medium and high resolution (up to 60,000 divisions)
PS081-EVA-WH Wheatstone module
external comparator, 4 layers
For up to 60,000 scale divisions with classical load cells (Wheatstone bridge)