Tag Archives: Pressure Transducer

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Carrier Demodulator, Pressure Measurement

Pressure Sensors and External Carrier Demodulators

The most popular Validyne pressure transducers are the P55/P61/P365 series.  These all include a pressure sensor, carrier demodulator electronics package, a high level output signal, temperature and linearity correction as… Read More

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Pressure Measurement

Pressure Sensor Accuracy

When using a pressure sensor to measure pressure, one of the first questions that comes up is accuracy: How closely does the value reported by the pressure sensor come to… Read More

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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

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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

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medical

Measuring Pressure Drop Across Protective Mask

Face masks are often the first line of defense against the spread of infection or damaging particles. A properly designed face mask will stop dangerous materials, but allow normal air… Read More

Pressure Measurement

Stand-Alone Pressure Transducer or Sensor + Electronics?

Introduction: Validyne pressure transducers break down into two general categories: Type 1 – A complete transducer with integral electronics Type 2 – A variable reluctance sensor and supporting carrier demodulator… Read More

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Pressure Measurement, University

Pressure Transducer Readings on the Internet – IoT Pressure Transducer

Introduction: The SI314 is a network interface for the P61 series of Validyne pressure transducers bringing internet connectivity to pressure measurement. The SI314 allows the user to view pressure readings from… Read More

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Pressure Measurement

What is the Meaning of Signal Output in mV/V?

Validyne variable reluctance sensors such as the DP15 Pressure Sensor, DP103 Low Pressure Sensor, DP360 High Pressure Sensor, etc all have signal output(s) specified in ‘millivolts per volt’ or mV/V. What does this… Read More

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Pressure Measurement

Basics of Validyne Pressure Sensor Calibration

A pressure sensor is a device that changes pressure into an electrical signal. That electrical signal is only useful if it accurately represents the pressure applied to the sensor. Calibration… Read More

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Carrier Demodulator, Pressure Measurement

Selecting the Best Validyne Carrier Demodulator

Carrier Demodulator A carrier demodulator is the electronics that supports a variable reluctance pressure transducer. A carrier demodulator provides power to the transducer, provides calibration adjustments, receives the AC sensor signal and… Read More