Subminiature accelerometers endure up to 60,000 G

08/24/2006


Machine control

Smaller-than-dime-sized Endevco model 71 series of subminiature SMT piezoresistive accelerometers has a rugged design to measure shock.

Endevco Corp. , a Meggitt group company specializing in sensing technologies for demanding vibration, shock, and pressure applications, expanded its line of high shock sensors for the most extreme aerospace and test and measurement applications with the new subminiature model 71 series surface-mount accelerometer. The Endevco model 71 series of subminiature SMT piezoresistive accelerometers features a rugged design for shock measurements from 6,000-60,000 G and sensitivities from 3 to 30 uV/G.

The internal sensing system is micro-machined from a single piece of silicon and includes the inertial mass and strain gages arranged in an active, four-arm, Wheatstone bridge circuit complete with an innovative on-chip zero balance network. The low mass, extremely small size, and unique construction of the sensing element reportedly blends an exceptionally high resonant frequency with low output impedance, high over range, and zero damping for no phase shift.

The high resonant frequency of these sensors permits their survival in the presence of the high frequency components in a shock pulse that would shatter the seismic system of lower quality accelerometers, the company says. With resonant frequencies from 180 kHz to 700 kHz and zero damping, the 71 series responds to the fast-rise-time, short-duration shock events typical of munitions fusing, kinetic impact testing, and high shock component test applications.

With a frequency response extending down to dc, these transducers are ideal for measurement of long duration transients. They also permit integration of the acceleration data to obtain velocity and displacement measurements.

—Edited by Lisa Sutor , Control Engineering contributing editor





No comments
The Top Plant program honors outstanding manufacturing facilities in North America. View the 2015 Top Plant.
The Product of the Year program recognizes products newly released in the manufacturing industries.
The Engineering Leaders Under 40 program identifies and gives recognition to young engineers who...
Your leaks start here: Take a disciplined approach with your hydraulic system; U.S. presence at Hannover Messe a rousing success
Hannover Messe 2016: Taking hold of the future - Partner Country status spotlights U.S. manufacturing; Honoring manufacturing excellence: The 2015 Product of the Year Winners
Inside IIoT: How technology, strategy can improve your operation; Dry media or web scrubber?; Six steps to design a PM program
Getting to the bottom of subsea repairs: Older pipelines need more attention, and operators need a repair strategy; OTC preview; Offshore production difficult - and crucial
Digital oilfields: Integrated HMI/SCADA systems enable smarter data acquisition; Real-world impact of simulation; Electric actuator technology prospers in production fields
Special report: U.S. natural gas; LNG transport technologies evolve to meet market demand; Understanding new methane regulations; Predictive maintenance for gas pipeline compressors
Warehouse winter comfort: The HTHV solution; Cooling with natural gas; Plastics industry booming
Managing automation upgrades, retrofits; Making technical, business sense; Ensuring network cyber security
Designing generator systems; Using online commissioning tools; Selective coordination best practices

Annual Salary Survey

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.

Read more: 2015 Salary Survey

Maintenance and reliability tips and best practices from the maintenance and reliability coaches at Allied Reliability Group.
The One Voice for Manufacturing blog reports on federal public policy issues impacting the manufacturing sector. One Voice is a joint effort by the National Tooling and Machining...
The Society for Maintenance and Reliability Professionals an organization devoted...
Join this ongoing discussion of machine guarding topics, including solutions assessments, regulatory compliance, gap analysis...
IMS Research, recently acquired by IHS Inc., is a leading independent supplier of market research and consultancy to the global electronics industry.
Maintenance is not optional in manufacturing. It’s a profit center, driving productivity and uptime while reducing overall repair costs.
The Lachance on CMMS blog is about current maintenance topics. Blogger Paul Lachance is president and chief technology officer for Smartware Group.
This article collection contains several articles on the vital role that compressed air plays in manufacturing plants.
This article collection contains several articles on the Industrial Internet of Things (IIoT) and how it is transforming manufacturing.
This article collection contains several articles on strategic maintenance and understanding all the parts of your plant.
click me