Instrumentation, Signals & Calibration

Flow Meter Comparison

Differential pressure, magnetic, Coriolis, ultrasonic, vortex, turbine and thermal mass meters compared by principle, installation, accuracy, turndown, fluid suitability, pressure drop, straight-run needs, maintenance, cost, outputs and power.

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2-, 3- and 4-Wire Transmitters (thumbnail)

2-, 3- and 4-Wire Transmitters

4–20 mA Current Loops (thumbnail)

4–20 mA Current Loops

4–20 mA Loop Voltage Drop (thumbnail)

4–20 mA Loop Voltage Drop