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Prover Systems

Minimizing measurement uncertainty

The need for proving arises because operating conditions differ significantly from the conditions under which the meter is calibrated. Provers from Emerson enable an automated system for proving liquid flow meters such as turbine, vortex, positive displacement, magnetic, Coriolis as well as ultrasonic flow meters in both laboratory and field conditions.

Provers can be tailored to meet specific application needs and are used for various meter sizes and flow conditions to help establish reference point under operating conditions (initial installation), account for changes in meter accuracy, verify repeatability / linearity of meter, and satisfy custody transfer contractual requirements.​​

  • Pipe ProverPipe Provers
    Pipe provers from Emerson deliver on-site meter calibration, minimizing uncertainty of metered volumes and automating operation.
  • Small Volume Provers
    The Compact Prover features a unique design that reduces size while exceeding the performance of conventional provers.
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