Bullet Sensors & Transducers e-Digest, Vol. 91, Issue 4, April 2008: Product News

    (ISSN 1726- 5479)

 

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New Generation Pressure Measurement

 

Presens AS has introduced the PRECISE, a rock solid pressure and temperature transmitter designed for calibrators, digital gauges and other applications where high accuracy, low drift and high resolution is required.

 

In comparison to conventional silicon pressure sensors that use diaphragms with a piezoresistive resistor bridge to measure stress, Presens pressure sensors measure pressure-induced compressive stress with a piezoresistive Wheatstone bridge integrated on a tubular silicon structure. The mechanical design of the sensing element makes it possible to develop extremely robust and sensitive sensor solutions.

 

With a guaranteed total error band (all possible errors) of < ± 0.01% FS, high pressure turndown ratio and an inherent tolerance to over-pressure and pressure spikes, the PRECISE sensor offers a level of performance unparallel to none.

 

The PRECISE features:

  • FS pressure range up to 0 - 2000 bar

  • Total accuracy <± 0.01% FS

  • 1-year drift <± 0.01% FS

  • Over-pressure 1.5 x FS to 5 x FS (FS pressure dependent)

  • Adjustable sample rate 5 to 25 samples/sec

  • Resolution in electronics <1 ppm (≥ 20 bit)

  • Shock & vibration resistant

  • Robust, all-welded construction

 

About Presens AS

 

Presens was founded in 1996 to commercialize a patented pressure sensor technology developed by the Sintef Group, one of Europe's largest independent research organizations and among the world’s leading research institutes in silicon micromachining technology. The company’s unique and versatile technology enables extremely accurate pressure measurement under demanding conditions.

 

Presens secured its first commercial installation in 1998 and has since further developed its technology with a range of products designed for a number of challenging applications. Today, Presens supplies high-accuracy sensors worldwide to the oil & gas, aerospace, and industrial markets.

 

 

Contact:

 

Stefan Werner,

Director of Sales

Presens AS

Ullern Allé 28, NO-0381 Oslo

Phone +47 22 06 40 70 / +47 415 18 727

E-mail: mail@presens.com

PRECISE transmitter

Pressure sensors

 

 

 

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