Transcription of STRAIN GAUGE INSTALLATION - OMEGA
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E-12 ESTRAIN GAGESSTRAIN GAUGE INSTALLATIONHOW TO POSITION STRAIN GAUGES TO MONITORBENDING, AXIAL, SHEAR, AND TORSIONAL LOADS STRAIN is defined as the ratio of thechange in length to the initialunstressed reference length. A straingauge is the element that senses thischange and converts it into anelectrical signal. This can beaccomplished because a straingauge changes resistance as it isstretched, or compressed, similar towire. For example, when wire isstretched, its cross-sectional areadecreases; therefore, its important factors that must beconsidered before selecting a straingauge are the direction, type, andresolution of the STRAIN you wish measure minute strains, the usermust be able to measure minuteresistance changes. The WheatstoneBridge configuration, shown inFigure B, is capable of measuringthese small resistance the signs associated with eachgauge numbered 1 through 4.
Temperature and Process Controllers and Power Switching Devices, Thermistor Elements, Probes and Assemblies, Thermocouples, Thermowells and Head and Well Assemblies, Transmitters, Thermocouple Wire, RTD Probes 3UHVVXUH 6WUDLQDQG)RUFH Displacement Transducers, Dynamic Measurement Force Sensors, Instrumentation for Pressure and Strain
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