Validyne

MasTec recommends Validyne Engineering

Founded in 1968, Validyne Engineering has been a leading manufacturer of variable reluctance pressure transducers, pressure sensors, sensor signal conditioning, and data acquisition systems for over fifty years. Validynes diverse customer base ranges from automotive and engine manufacturers, to research and development labs, to aerospace and medical industries. Validynes team of talented engineers works with both small and large users to design products that meet our customers exact specifications. This attention to detail and focus on timely customer response enabled Validyne to build a reputation for durable, rugged, long lasting, well-supported, highly reliable products.

P78

Submersible Pressure Transducer

P370

High Line Differential Pressure Transmitter

DP10

Variable Reluctance Pressure Sensor with All-Welded Construction

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Blog: Testing Helicopter Blades for Flex

Blog: Differential Pressure Sensors for Respiratory and Ventilation Measurements

Products

DP15 Variable Reluctance Pressure Sensor

Capable of Range Changes

P365

High Line Pressure Transducer

P24

Ruggedized Pressure Transducer

PS409

Digital Panel Mount Manometer

SI58 Recalibration and Post Calibration Software

The pressure drop across a working air filter is often very small on the order of a few hundred Pascals, especially at low engine RPM so a pressure sensor for this purpose must be sensitive to very low pressures. In addition, the pressure transducer must be rugged enough to function well under the hood of a vehicle where shock, vibration and high ambient temperatures are common. The modified P55 pressure sensor has been used on military vehicles to measure the pressure drop across the engine air filter.

Validyne pressure transducers have been used in a wide variety of aircraft flight test applications. Our Model P855 was used in the prototype Airbus A380. These transducers were designed to measure low pressures, +/-35 mBar, and operate over wide temperature ranges -20 to +70C. In addition, each P855 communicated over RS485 serial data lines. The transducers were delivered while the first A380 was built in sections. When the sections were assembled into the first operation aircraft, the sensors were already embedded inside. Building the flight test sensors into the prototype saved over a year normally a prototype aircraft is flown, then test instrumentation installed a time consuming process.

The SU63 Speed Pickup is a device designed to be used to sense the speed of turbochargers. A turbocharger rotates very fast some 10,000 rpm or more, and standard sensing techniques for measuring the speed often fail in the conditions around the vehicle engine. This application note describes how the SU63 senses the very fast turbocharger rotation and how the signal is developed.

DAQ Used in Climatic Wind Tunnel for Vehicle Testing

A new model automobile must be thoroughly tested in climate extremes before it is put into production. Will the heater keep the passengers warm in a blizzard? Will the cabin be cool enough in the desert summer? Can the engine cope with temperature extremes? Auto manufacturers now answer all of these questions by placing a new prototype automobile in a climatic wind tunnel.

A climatic wind tunnel is a system that can produce all the expected extremes of temperature, wind, sun, rain and snow on demand. In years past new vehicles were tested in very hot weather like at Tuscon, Arizona in July and in cold weather like at International Falls, Minnesota in February to naturally experience the climate extremes needed for verifying vehicle performance. But the design cycle for new vehicles is much shorter now and the climatic wind tunnel can supply these extremes on demand without the need to wait for a particular season of the year.

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Aerospace and Military

Automotive

Industrial Energy and Onsite Utility

Maritime

Medical Research

Oil & Gas

University Labs

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