GfGâs (USA) new intrinsically safe G460 is a rugged, compact instrument for simultaneous detection of up to 6 gases. Installed sensor options include infrared (NDIR) for CO2 and PID for VOC measurements. The G460 offers completely automatic calibration, one-button operation, top mounted display and interchangeable battery packs. GfGâs concussion proof boot, along with the highly dust and water resistant housing protect the instrument in the harshest environments. Datalogging and event logging are standard.