Emerson Raptor tank gauging system

The Raptor tank gauging system from Emerson Process Management is based on open technology and is fully scalable. As a result, it is easy to install exactly the devices needed today as well as adding or replacing units tomorrow.

The system includes safety technologies to help protect plant assets, the environment and human lives. One example is 2-in-1 functionality - with two independent gauges in one single enclosure - providing SIL3 safety for overfill prevention. There are also a number of other dual-redundant configurations available to suit individual tank safety requirements.

Raptor is built around a line of 0.5 mm precision radar level gauges, plus ultra-stable temperature transmitters with 3- or 4-wire multiple spot sensors. This results in high available precision in net volume calculations for custody transfer and inventory management. Equipment such as pressure and water bottom measurement sensors can also be added as well as operator interface software.

The system reduces installation costs by using the bus-powered 2-wire Tankbus that is based on self-configuring Foundation fieldbus technology, allowing easy start-up and integration of all system units. The tank units are intrinsically safe, which means no expensive cable conduits are required. Communication to the control room can be made using Modbus over most existing cabling, or using other fieldbus standards.

The system can also emulate gauges from other manufacturers so that users can add Raptor units to their existing system using the same cabling and control room infrastructure. The system can also include Emerson’s Smart Wireless functionality.