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Flow Meter Selection

Reynolds Number · Velocity · Meter Type Recommendation

When to use: Use to calculate Reynolds number and pipe velocity then identify suitable flow meter technologies for the application. Meter selection depends on fluid type, Reynolds number (turbulence), velocity range, accuracy requirements, and cost. Applies to HVAC instrumentation, BTU meters, process flow measurement, and building automation systems.

Flow Parameters
GPM
Flow Conditions
Pipe Velocity8.68 ft/s
Reynolds Number182,287
Flow RegimeTurbulent
Recommended Meter
Turbine
Accuracy: ±0.5% · Cost: Medium
Meter Suitability
Turbine
±0.5%
✓ Suitable
Magnetic (Mag)
±0.5%
✓ Suitable
Ultrasonic (Transit-time)
±1%
✓ Suitable
Vortex
±1%
✓ Suitable
Orifice Plate
±2%
✓ Suitable
Coriolis
±0.1%
✓ Suitable