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SC300

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品牌	Logo	应用领域
威世 - VISHAY		/
页数	文件大小	规格书
1页	101K
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Strain Measuring Systems Short Course

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SC300 数据手册

SC300

Vishay Micro-Measurements

Strain Measuring Systems Short Course

STRAIN MEASURING SYSTEMS – FIVE DAYS

This program is presented in a format that includes several hands-on laboratory exercises. Liberal use of demonstrations and

case studies provides attendees with a first-hand opportunity to learn how to select the procedures and techniques best suited

to their strain measurement needs.

The program begins with an overview of stress analysis principles. Following a review of the performance characteristics of the

strain gage and selection criteria, several laboratory projects are conducted in which strain gages are bonded, electrical

connections completed, environmental protection applied and installation integrity verified. The strain data are then collected with

measuring instrumentation and compared to calculated theoretical values. In a more advanced laboratory projects, a basic

weighing scale is constructed and calibrated, and a three-element strain gage rosette is used to measure strains and calculate

the pressure in a thin-walled vessel. In the course of these laboratory projects, all attendees have an opportunity to use three

popular adhesive systems.

A thorough review of strain gage instrumentation is augmented by numerous demonstrations and hands-on experiments that

highlight important features of modern strain measuring instruments. Digital data acquisition principles and practices are

discussed, including the relationship between the sampling rate and signal frequency. Anti-aliasing techniques are demonstrated

and the phase relationship of input to output are described. The use of strain gages and related instrumentation in transducer

applications is also explored. Special-purpose sensors are reviewed, with emphasis on their application to strain measurements

and structural test programs.

The course ends with a discussion of methods for locating stress concentrations in a complex strain field using modern optical

techniques.

Provision is made for attendees to discuss their specific test requirements with members of the Vishay Micro-Measurements

technical staff.

Topics include:

Concepts of Stress and Strain

• Uniaxial and Biaxial Strain

• Hooke's Law

Instrumentation Considerations

• Wheatstone Bridge Circuitry

• Bridge Excitation and Thermal Effects

• Leadwire Effects

• Principal Stresses and Strains

• Superposition Concept

• Bridge Balance Control

• Shunt Calibration and Calibrators

• Static/Dynamic Strain Measurement

• Switching and Multiplexing

• Electrical Noise Control

Strain Gage Characteristics

• Backings and Sensing Elements

• Performance Characteristics

• Checkout and Troubleshooting

Gage Installation Techniques

• Bonding Methods

Full-Field Strain Measurements

• Locating Stress Concentrations

• Interpreting the Strain Field

• Leadwire Installation

• Environmental Protection

• Selection and Applications of PhotoStress^®

Transducers

Case Histories

• Design Considerations

• Bridge Circuits

Document Number: 11046

Revision: 19-Nov-03

micro-measurements@vishay.com

www.vishaymg.com

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SC3004	SILAN	获取价格	INFRARED REMOTE CONTROL TRANSMITTER OF 3004 CODE FORMAT
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