All posts by Validyne

Pressure Measurement

Resolution and Frequency Response in Pressure Transducers

Resolution and frequency response in pressure sensors and pressure transducers are two performance parameters that are important, but often misunderstood.  This article will describe how each of these parameters relates… Read More

View large More details

Aerospace, Oil & Gas, Pressure Measurement, Utility

Corrosion Resistance of Validyne Pressure Transducers

Pressure transducers are exposed to a wide variety of fluids and gases when used to measure pressure.  Corrosion of the pressure transducer sensor body will shorten service life and lead… Read More

View large More details

Aerospace, Pressure Measurement

Measuring Vacuum Pressures

A subject that tends to cause confusion when specifying pressure transducers is the  measurement of a vacuum and how it relates to absolute pressure. Here are some definitions: Absolute Pressure –… Read More

View large More details

Aerospace, Flight Testing, Oil & Gas, Pressure Measurement, University, Utility

Pressure Transducer Calibration Intervals

All Validyne pressure transducers are calibrated at the factory, just before shipment. But how often should a pressure transducer be calibrated after that? This will depend on the application and… Read More

View large More details

Aerospace

Pressure Transducer Used in Aerostat

The Validyne P55 pressure transducer are used by a major manufacturer of aerostat lifting systems to measure the helium pressure inside the gas bag. An aerostat is a large helium-filled balloon… Read More

View large More details

Oil & Gas, Utility

Petroleum Core Testing

How much oil will come out of an oil field? Is it worth developing once it is discovered? These are not trivial questions if you must drill and complete your… Read More

View large More details

Oil & Gas, Utility

P61 USB Pressure Transducer Used in Petroleum Research

Introduction: When an oil field is first drilled and brought into production something like 85% of the oil typically never gets to the well bore because of the low porosity… Read More

View large More details

Automotive

Car Door Seal Testing

We sometimes notice that when we get inside a car there is a short pressure rise inside the cabin when the door is slammed. We feel this as pressure on… Read More

View large More details

Pressure Measurement

What is the Difference Between Line Pressure and Overpressure?

The over pressure and maximum line pressure specifications for differential transducers are often confused. This application note will describe the differences and give examples. Over Pressure: For all differential pressure transducers,… Read More

View large More details

Automotive, Flight Testing

Pressure Measurement in Engine Test Cells

Does synthetic oil reduce bearing wear? Do gasoline additives really improve combustion? These questions are investigated in a special laboratory known as an engine test cells. There are many pressure measurements… Read More