GrayWolf’s new DirectSense® II and classical DirectSense I multi-gas probes, when connected to our purpose-built AdvancedSense® meters, to tablet PCs or to WolfPack® area monitors, combine the latest available electrochemical, PID and NDIR gas sensor technology with the advanced capability of mobile computing. GrayWolf toxic gas monitors harness the power of our rugged, embedded computer meters and economical mobile PCs to significantly improve your toxic gas test and reporting capability.