Measurement facts and theory

On this page you will find measurement facts and practical information on the measurement techniques used for different measurement quantities. Explore the articles below to find out more. You are also welcome to call us on 031-704 10 70 if you need help choosing the right sensor or measuring instrument. You can also ask questions via our form.

Facts about pressure

Learn about absolute pressure, differential pressure, positive and negative pressure and atmospheric pressure. Also includes tips for correct pressure measurement and conversion tables for the main pressure units.
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Facts about air speed

About air velocity, air flow, supply and extract air, sensors for different types of measurements and practical tips on how to measure in ducts, over diffusers and grilles and make reference diffuser measurements.
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