Survey Systems

  • RIGS

    ERG is now pleased to offer the same capability indoors where GPS is limited or not available. The system utilizes a single advanced scanning laser to continuously map the…

  • Model 104G GPS Array System

    High Density GPS Survey System

    The ERG 104G utilizes a Ludlum 4612, a common GPS receiver, and an IMU to obtain gamma measurements with extremely high accuracy positions from up…

  • Model 102F Floor Scanner

    Indoor Survey System

    The ERG Model 102F is our most advanced indoor surveying system. The system, built on the functionality of the Ludlum 239-1F, features a six zone Zinc Sulfide…

  • RadScout GPS Gamma System

    GPS Survey System

    The ERG RadScout is our most advanced Handheld GPS gamma survey system. The system comes with a touch enabled data logger, sub-meter GPS receiver, our bluetooth 2221,…