Pressure Measurement – Field Instrumentation

Pressure measurement is one of the most fundamental field instrumentation skills. It forms the basis for level and flow measurement and is involved in most day-to-day plant troubleshooting activities.

Pressure Learning Path

Beginner

Pressure Basics

Absolute, gauge, differential pressure and real plant references.

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Beginner

Pressure Transmitters (PT / DP)

Construction, sensing elements, ranges, and common mistakes.

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Intermediate

Impulse Lines

Wet leg, dry leg, slope, plugging, freezing, and response issues.

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Intermediate

Manifold Valves

3-valve & 5-valve manifolds, isolation, equalization, calibration.

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All Levels

Pressure Measurement Failures

Zero shift, sluggish response, leaks, and wrong readings.

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All Levels

Pressure Case Study

Real field incident, wrong assumptions, fix, and lesson learned.

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Field Rule

Most pressure measurement problems are not transmitter faults. They originate from impulse lines, manifolds, installation, or process conditions.