Dynamic Asphalt Strain Gage

Dynamic Asphalt Strain Gage Jewell Instruments offers a Dynamic Asphalt Strain Gage (ASG), an embeddable strain gage designed for use in high frequency (dynamic) environments. These rugged gages are built to withstand high temperatures and vibratory roller compaction, making them ideal for infrastructure and construction type projects. Our ASGs utilize […]

Dynamic Asphalt Strain Gage

Jewell Instruments offers a Dynamic Asphalt Strain Gage (ASG), an embeddable strain gage designed for use in high frequency (dynamic) environments. These rugged gages are built to withstand high temperatures and vibratory roller compaction, making them ideal for infrastructure and construction type projects. Our ASGs utilize a Wheatstone bridge circuit, which compensates for temperature and lead resistance, and filter unwanted noise for precision strain measurements. Units are offered in either bending strain or axial strain configurations (please specify per order). Our Dynamic ASGs are a perfect choice for measuring strains in asphalt pavement and for comprehensive infrastructure monitoring.

Bridge Circuit Four active 350-ohm strain gages
Range ±3000 microstrain
Sensitivity at 1000 µg ~ 1.3 mVout/Vexc
Excitation up to 5 Volts
Temperature Range -34°C to 200°C
Lead wire 30 AWG, twisted four-wire with sheilding

 

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Temperature Range -34°C to 200°C