Q:

What is the Magnehelic pressure differential gauge?

A:

Quick Answer

The Magnehelic pressure differential gauge is a device that measures and displays the pressure difference in various electrical and mechanical systems, such as fans and blowers. A Magnehelic gauge is also found in systems that uses gas and air pressures to measure and display ratio data.

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Full Answer

A Magnehelic gauge is used in various systems and a variety of functions, such as the monitoring of a vacuum blower, measuring a fan's air pressure as well as measuring the pressure in a building, room or ducting system.

A Magnehelic pressure differential gauge, such as the series 2000 model, does not use manometer fluid, which evaporates. This removes the risk of any fluids causing the system to freeze or become toxic due to adverse temperature conditions. The Magnehelic gauge is also guaranteed to measure any system to within 2 percent of a system's full accuracy scale.

A standard Magnehelic pressure gauge uses a standard measuring range of either 0 to 30 pascal or 0 to 30 kilopascal. Magnehelic gauges also come in models with a zero-centering scale that allows users to visualize pressure within a negative-to-positive scale.

The Magnehelic pressure gauge is manufactured by Dwyer Instruments, Inc. and distributed by Briem Steuerungstechnik GmbH, which is based in Germany.

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