FLOBOSS 103 FLOW COMPUTER

The Emerson FloBoss 103 (FB103) Flow Manager is a compact electronic flow computer designed for accurate gas flow measurement, monitoring, and remote automation applications. Engineered for single meter run installations, the FloBoss 103 provides reliable AGA-compliant flow calculations, data logging, communications, and control functions in harsh oil & gas environments.

The FB103 integrates advanced processing capability, dual-variable pressure sensing, RTD temperature input, historical data storage, and SCADA communications within a rugged explosion-proof enclosure. It is widely used in natural gas custody transfer, wellhead automation, pipeline metering, and remote field monitoring systems.

General Specifications

The FloBoss 103 supports differential pressure and static pressure measurement using an integrated Dual Variable Sensor (DVS) with Rosemount sensor technology.

Key Features

• Compact self-contained flow computer

• Accurate AGA-compliant gas flow calculations

• Integral Dual Variable Sensor (DVS)

• Explosion-proof industrial enclosure

• Remote SCADA communication capability

• Extensive historical data logging

• RTD temperature compensation support

• Low power consumption for remote applications

• LCD local operator display available

• ROCLINK™ 800 software configuration support

• Suitable for custody transfer applications

• Rugged design for harsh field environments

The FB103 performs gas flow calculations using 1992 AGA3 orifice metering standards and AGA8 compressibility calculations.

Typical Applications

• Natural gas custody transfer

• Orifice flow metering systems

• Wellhead automation

• Pipeline monitoring systems

• Remote gas production facilities

• Oil & gas SCADA systems

• Compressor station monitoring

• Industrial gas flow measurement

• Remote telemetry applications

Operating Principle

The FloBoss 103 receives differential pressure, static pressure, and temperature inputs from field sensors and processes the data internally using AGA and API flow calculation standards. The integrated processor performs real-time compensated gas flow calculations while simultaneously logging operational data and communicating with supervisory systems.

The Dual Variable Sensor measures static and differential pressure and converts them into electrical signals for accurate flow computation.

Advantages

• Reliable remote field operation

• Accurate custody transfer measurement

• Compact and rugged construction

• Low maintenance requirements

• Advanced communications capability

• Long-term operational reliability

• Easy integration with SCADA systems

• Simplified installation and commissioning

Technical Performance

The FloBoss 103 was officially discontinued by Emerson in October 2017, with migration support available toward newer FB1200 platform products.