The analog manometer, commonly referred to as a Magnehelic ®, is a test instrument that has been around the HVAC industry for decades. Among many technicians in the field, it is still the test ...

Pressure is the amount of force applied per unit area. Pressure can be measured by a pressure gauge, but it is important to know the type of pressure the gauge is reading. This article will cover the ...

From generation to transmission and distribution, the power industry is changing. With distributed energy resources (DERs) increasingly participating in wholesale capacity, energy, and ancillary ...

The flow of all fluids, whether liquid or gas, will have one of three states: laminar, turbulent, and transitional. This article discusses flow principles and pressure-based flow measurement. Laminar ...

Instrument measures temperatures of solid materials and surrounding air, while also tracking air velocity and air pressure. Measurements, taken simultaneously at multiple points, accurately profile ...

ISA recently published the third edition of Calibration Handbook of Measuring Instruments by Alessandro Brunelli. In this Q&A feature, Brunelli highlights the focus, importance, and differentiating ...

What’s the difference between a transmitter and a sensor? Nine different types of sensor transmitters. How does each type of transmitter work? What are the components of each transmitter type? Sensors ...