Pressure Measurement Principles and Transmitter Basics
Learn how pressure transmitters convert diaphragm motion into electrical signals and how common sensor principles differ in process measurement.
Read more...KNOWLEDGE SECTION
Pressures
Types of Pressure and Pressure Units Explained
Learn how absolute, gauge, differential, vacuum, hydrostatic, and dynamic pressure differ, plus common pressure units and notation.
Read more...Potentiometric Pressure Transducers: Working Principle, Design, and Applications
Learn how a potentiometric pressure transducer converts pressure-driven motion into resistance or voltage, including designs, materials, uses, and limits.
Read more...Bourdon Tube Pressure Gauges: Principle, C-Type, Spiral, and Helical Designs
Learn how Bourdon tube pressure gauges work and how C-type, spiral, and helical tube designs affect motion, range, and installation limits.
Read more...Diaphragm Pressure Gauge Working Principle and Applications
Learn how a diaphragm pressure gauge uses membrane deflection to measure gauge, vacuum, compound, and differential pressure in difficult media.
Read more...How a Bellows Pressure Gauge Works
Learn how a bellows pressure gauge uses elastic bellows motion, springs, and linkages to measure gauge, absolute, compound, and differential pressure.
Read more...Capsule Pressure Gauge Working Principle
Learn how a capsule pressure gauge uses corrugated diaphragms and linkage motion to measure very low gas pressure, vacuum, or differential pressure.
Read more...How Electronic Pressure Transducers Evolved
Trace how electronic pressure transducers evolved from strain gauges and piezoelectric crystals to capacitive and silicon piezoresistive sensors.
Read more...How to Calibrate a Pressure Transmitter
Learn how pressure transmitter calibration is planned, performed, documented, and verified using hand pumps, calibrators, or dead weight testers.
Read more...How to Select a Pressure Gauge for Industrial Applications
Learn how to choose an industrial pressure gauge by range, accuracy, dial size, wetted materials, connections, seals, vibration and temperature.
Read more...Pressure Gauge Dial Symbols and Markings Explained
Learn what pressure gauge dial symbols and markings mean, including units, accuracy class, EN 837 references, service marks, and safety indications.
Read more...Pressure Gauge Safety Design Under EN 837
Learn how EN 837 safety designs use blow-out devices, safety windows, baffle walls, and rear venting to reduce Bourdon tube rupture hazards.
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