Levingston Group, LLC Control Systems

Control Systems Engineering

Process Measurement
    Typical Pressure, Temperature, Flow, Level, and Density Applications
    Custody Transfer Flow Applications
    On-Line Analyzers
        Sample Systems
        Integrated Analyzer Shelters
Final Control Elements
    Control Valves, Regulators, and Pressure Relief Valves
    Flow Element Sizing
Process Control Specification and Implementation
    Distributed Control Systems
    Safety Instrumented Systems
    Programmable Logic Controllers
    Control Strategy and P&ID Development
    Field Instrument Signals and Network Communications
        Conventional Analog and Discrete
        Foundation Fieldbus
        Modbus and Ethernet