Achieve the ultimate in fiscal measurement verification and validation with the fully-redundant Rosemount 3417 4+4 Ultrasonic Flow Meter that delivers the power of two field-proven Rosemount four-path, British Gas-design ultrasonic meters (certified to OIML R137 1&:2 Accuracy Class 0.5) in a single body. This advanced meter generates two independent measurements on one meter run for superior measurement accuracy, reliability and uptime. Innovative MeterLink™ Software provides immediate access to a wealth of predictive diagnostics generated by the meter's ultra-fast 3410 Series Electronics for real-time detection of flow disturbances to reduce measurement uncertainty and simplify maintenance.