Pressure sensor technology

This tutorial addresses the basic physics of pressure, three types of pressure measurement, seven pressure sensor technologies , and three calibration techniques. This is the most commonly employed sensing technology for general purpose pressure measurement. Viatran builds pressure transmitters with four distinct pressure sensing technologies. Pressure Point 9: Pressure Sensor Technologies.

We analyze the needs of an application and choose the technology that best serves that application.

The four technologies are bonded foil strain gage, gage, silicon piezoresistive, ceramic piezoresistive, and variable capacitance.

With the steam age came the demand for pressure measuring instruments.

Bourdon tubes or bellows, where mechanical displacements were transferred to an indicating pointer were the first pressure instruments, and are still inuse today. The pressure acts on the diaphragm and is transfered through the oil . Modern pressure sensor technology. In pressure sensor technology several terms have come into use that describe various physical methods of measurement. These include absolute pressure, relative pressure, and differential pressure measurements.

ELECTROMECHANICAL PRESSURE SENSORS : This is the type of pressure sensor that converts applied pressure to an electrical signal. The electrical signal (output) provides different uses with different uses for different applications. POTENTIOMETRIC PRESSURE SENSORS : This sensor works on the . These sensors measure pressure , level, flow and derivatives by physically responding to the changes in process pressure , converting the physical . ESI Technology pressure transducers and pressure transmitters are used in critical applications worldwide. Silicon-on-Sapphire sensor technology delivers outstanding performance and reliability. Manufacturers of equipment from submersible, subsea and mining equipment up to aerospace find solutions for pressure . DSI pressure sensing telemetry technology is ideal for use with mice, rats, hamsters, gerbils, rabbits, ferrets and more.

Abstract: Monocrystalline silicon pressure sensors have come into wide use in recent years. Though manufactured with semiconductor technology , they also operate on the resistive principle. PPS patented capacitive tactile sensors capture pressure data by measuring capacitance, which is the ability to store an electrical charge. Over the past two decades, PPS sensor technology delivered valuable insights to many applications that needed to measure contact pressures for product . Metal foil Strain-gauge technology is one of the most common types of pressure sensors in the market and is also . Being able to measure such small forces might lead to devices that could be implanted in the body to measure minute blood- pressure changes continuously, Wang says.

The sensors could also be installed on the wings of airplanes and spacecraft to monitor very small pressure fluctuations.