The TCS 3000 Electronic Register automatically controls and captures net/gross delivery volume, density, differential pressure, additive, tank inventory and free water data. Record airship, airline, flight and employee information. Store and wirelessly transmit data from the internal database in the TCS 3000 to the HUB to create a total end-to-end fueling solution. The new TCS 3000ex is now ATex and UL compliant for global hazardous zone 1 environments.