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vibration analysis

Part 2 Machinery Health Monitoring Depends on Accelerometers: Signals from Accelerometers

by Wayne Tustin

This is Part 2 of a five-part, series. Part 1 (Uptime Oct/Nov 2013) dealt with the mechanical aspects of using accelerometers, while Part 2 will cover the electronic aspects of dealing with those small signals. Part 3 will discuss calibrating accelerometers to determine their sensitivity. In Parts 4 and 5, we will attach accelerometers to various machines so they can report on machinery health.

SKF Laser Vibrometer Offers Non-Contact Vibration Measurement

The non-contact vibration sensor offers new monitoring options to engineers in a wide range of applications, such as fans, electric motors, pumps and household appliances.

Meggitt Sensing Systems Senior Scientist Bruce Wilner To Receive Lifetime Innovation Award

Bruce Wilner, Senior Scientist with Meggitt Sensing Systems, has been selected as the first recipient of the newly created SAVE Lifetime Innovation Award from the Shock and Vibration Exchange (SAVE). The award was presented at a luncheon on Wed., Nov. 6, 2013, at the 84th annual Shock and Vibration Symposium in Atlanta.

Meggitt Sensing Systems Introduces High-g, Triaxial, Piezoresistive Shock Accelerometer

Meggitt Sensing Systems, a Meggitt group division and leader in sensing and monitoring systems for extreme environments, has introduced the Endevco model 7284 series, a family of lightly damped, high-g, triaxial, piezoresistive shock accelerometers designed for weapons testing, high-g data recorders, missile fuzes and other extreme-g applications. These very rugged sensors, available in 20,000 g and 60,000 g ranges, offer superior survivability and low power consumption.

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Machinery Health Monitoring Depends on Accelerometers Part 1 - What’s an Accelerometer?

by Wayne Tustin

This is Part 1 of a five-part, lighthearted series entitled, Machinery Health Monitoring Depends on Accelerometers. Part 1 deals with the mechanical aspects of using accelerometers, while Part 2 covers the electronic aspects of dealing with those small signals. Part 3 discusses calibrating accelerometers to determine their sensitivity. In Parts 4 and 5, we attach accelerometers to various machines so they can report on machinery health.

Asset Condition Management

Definition: Vibration Analysis

The analysis of vibration monitoring data to monitor the characteristic changes in rotating machinery caused by imbalance, misalignment, bent shaft, mechanical looseness, faults in gear drives,

Asset Condition Management

Resonance - Machinery Rock & Roll

by Ron Newman

Vibration monitoring and analysis are recognized as key components of a well-founded reliability centered maintenance (RCM) program. Machinery health and long-term reliability are interpolated from trends in vibration amplitude; however, often these levels increase to dangerously high values with little or no warning! Resonance is frequently identified as the root cause. Understanding the physics of natural frequency, and the tools and methods used to recognize and confirm a resonant condition are essential skills for the vibration analyst.

Meggitt Sensing Systems Introduces High-Temperature Output Accelerometer

Meggitt Sensing Systems, a Meggitt group division and leader in sensing and monitoring systems for extreme environments, has announced the global market introduction of the Endevco model 2280, a hermetically sealed, triaxial, piezoelectric charge output accelerometer with high-temperature operation to +482 degrees C (+900  degrees F).

PCB Piezotronics Wins Boeing Microphone Contract

Microphones used for Noise Source Identification on Commercial Airplanes

Mars Labs Titan™ DAQ Supports Major Automotive OEM Durability and Fatigue Testing

Mars Labs, LLC (www.marslabs.com),  a leading global manufacturer of rugged, high-performance data acquisition for aerospace, automotive, off-highway, military, and test and measurement requirements, has announced that a major North American automotive OEM is using the company’s Titan™ modular DAQ system for larger-channel automotive durability and fatigue testing requirements.

Larson Davis Enhances the Model 831 NoiseTutor for Noise Monitoring Applications

The enhanced NoiseTutor allows for remote control, high speed data transfer, and the publishing of real-time reports and alerts.

PCB Automotive Sensors Division Showcase New Automotive Sensing Solutions at Testing Expo

Company to display new miniature pressure sensor, full line of microphones, and platinum stock products at this year’s show

Meggitt Sensing Systems Introduces Lightweight Endevco

Piezoresistive Accelerometer with Exceptional Bandwidth and Shock Survivability

Automation Protection

Chris Hansford, Managing Director of Hansford Sensors, discusses the importance of preserving high levels of performance in automation equipment and how this can be achieved using reliable vibration measurement equipment.

Torsional Vibration Problem with VFD Motor/ID Fan at an Oil Refinery

by Troy Feese

An induced draft (ID) fan system at an oil refinery experienced a failure of the spool piece in the flexible disc coupling between the motor and fan shafts.The fan system is part of an atmospheric furnace that heats approximately 152,000 barrels of crude oil per day.

Meggitt Sensing Systems Introduces Endevco Triaxial Isotron Accelerometer

Meggitt Sensing Systems, a Meggitt group division and leader in sensing and monitoring systems for extreme environments, has announced the global market launch of the Endevco model 7253D triaxial Isotron accelerometer designed for applications requiring the measurement of shock and vibration simultaneously in three mutually perpendicular axes. Primary applications for the Endevco model 7253D include the testing of aircraft engines, industrial engines, missiles, aircraft/engine/weapons components, spacecraft components, flight testing and industrial machinery.

Wireless Sensors Work: A Cost-Effective Alternative to Traditional Machine Monitoring Methods

by Matt Cowen and Christopher Shannon

Traditionally, machine vibration monitoring is performed in two ways: machines can be periodically monitored by utilizing a temporarily mounted sensor and a portable analyzer machine, or machines can be continuously monitored by permanently mounting sensors and wiring them into a high-end diagnostic system in the plant.

Meggitt Introduces New Shock Accelerometers

Meggitt Sensing Systems, a Meggitt group division, has introduced the Endevco® model 7284 series, a family of lightly damped, high g triaxial piezoresistive shock accelerometers, designed to support weapons testing, high g data recorders, missile fuzes and other extreme g applications. These very rugged sensors, available in 20,000 g and 60,000 g ranges, offer superior survivability and low power consumption.

ULTRASOUND The Final Frontier…by Mr. Ultrasound
asset condition management

ULTRASOUND The Final Frontier…by Mr. Ultrasound

by Jim Hall

Recently, I received an online alert for a used ultrasound instrument to purchase. When I got to the website, I found a fictional spacecraft featured in “Space: 1999,” a 1970s era British television series.

Meggitt Sensing Systems Announces Launch of Endevco® Three-Channel PE/IEPE Signal Conditioner

April 10, 2013, San Juan Capistrano, California, USA - Meggitt Sensing Systems, a Meggitt group division, has announced the global market launch of the Endevco® model 123, a low-cost, microprocessor controlled, three-channel PE (Charge mode)/IEPE (Voltage mode) bench top signal conditioner.

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