The PSM Minder is an extremely powerful and sophisticated digital tank contents controller. It incorporates various functions to compensate for the tank geometry and density of the tank contents, often the major reason for discarding hydrostatic measurement. It is extremely flexible and works with low cost pressure transmitters, no need for expensive DP transmitters. A variety of analogue and digital outputs are provide, plus optional serial communications to a host computer. Whether a stand-alone tank, or a small tank farm, the Minder is a sound solution.