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Dynamic Embedment Electrical Resistance

Dynamic Embedment Electrical Resistance

The Model 3900 Embedment Strain Gage is designed for the measurement of dynamic strains in concrete structures, earth

Description

The Model 3900 Embedment Strain Gage is designed for the measurement of dynamic strains in concrete structures, earth fills and soils. It comprises a full bridge strain gaged proving ring coupled, between two flanges, with a spring and shaft. When the flanges move relative to one another, the tension in the spring changes and hence the strain in the proving ring. A PVC tube serves as a protective housing and holds the gage at the desired initial tension.

Spesification

Standard Range 5000 µε
Resolution 0.125 mV/V nominal
Accuracy¹ ±0.25% F.S.
Nonlinearity <0.5% F.S.
Temperature Range² −20°C to +80°C
Active Gage Length³ 203 mm