Pressure sensor: Compact design for harsh environments
No-diaphragm design fits in crowded, punishing applications.
The new 4007B pressure sensor from Kistler Instrument is designed for elevated temperature evaluations and R&D studies in harsh environments where space is a consideration.
Available in measuring ranges of 0 to 5 bar (0 to 72.5 psi) and 0 to 20 bar absolute from -40 to 200 °C, the sensor is 21 mm long and 6.2 mm in diameter with integral cable. The company says that using its direct chip exposure (DCE) design eliminates the need for a diaphragm. A piezoresistive measuring element measures static and dynamic events with excellent dynamic response. The sensing element relies on an implanted resistive bridge on micro-machined silicon which minimizes hysteresis and repeatability errors. Other performance enhancements include wide bandwidth improved by digital characterization techniques.
The series is available in a number of forms, including PiezoSmart compatible with IEEE1451.4 TEDS standard. When used with a Kistler 4665 series amplifier, 0 to 10 V or 4 to 20 mA outputs are available. mounting is required. The body is of 17-4 PH stainless steel with a M5X0.5 mount. The company says this design has been used successfully in punishing automotive intake/exhaust manifold pressure measurements, and engine oil/fuel pressure studies.
—Edited by Peter Welander, process industries editor, PWelander@cfemedia.com ,
Control Engineering Process Instrumentation & Sensors Monthly
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Before the calendar turned, 2016 already had the makings of a pivotal year for manufacturing, and for the world.
There were the big events for the year, including the United States as Partner Country at Hannover Messe in April and the 2016 International Manufacturing Technology Show in Chicago in September. There's also the matter of the U.S. presidential elections in November, which promise to shape policy in manufacturing for years to come.
But the year started with global economic turmoil, as a slowdown in Chinese manufacturing triggered a worldwide stock hiccup that sent values plummeting. The continued plunge in world oil prices has resulted in a slowdown in exploration and, by extension, the manufacture of exploration equipment.
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