GSSI SIR-4000 control unit

GSSI SIR-4000 GPR control unit

The SIR4000 is a GPR data acquisition system and control unit from GSSI designed to operate with analogue and digital antennas, including the latest dual frequency antennas. Other improvements over the SIR3000, which it replaces, include advanced display modes and filtering capabilities for ‘in-the-field’ processing and imaging.