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Dynamic Embedment (Electrical Resistance)

Dynamic Embedment (Electrical Resistance)

Order Catalog


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.


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

¹Accuracy established under laboratory conditions.

²Other ranges available on request.

³Other lengths available on request.