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Concrete Embedment Strain Gages

 

These Strain Gages are designed for direct embedment in concrete. The 4200 (standard model) has a 153 mm gage length and 1 µε sensitivity and is commonly used for strain measurements in foundations, piles, bridges, dams, tunnel linings, etc. The 4210 has a 250 mm gage length making it particularly suitable for use in large aggregate concrete. The 4202 is designed for laboratory use and/or where there are space limitations. Low modulus versions, for measuring concrete curing strains, are also available 


Spesification

SPECIFICATIONS420042024210

 

Standard Range

 

3000 µε

 

3000 µε

 

3000 µε

Resolution 1.0 µε 0.4 µε 0.4 µε
Accuracy¹ ±0.5% F.S. ±0.5% F.S. ±0.5% F.S.
Nonlinearity <0.5% F.S. <0.5% F.S. <0.5% F.S.
Temperature Range -20°C to +80°C -20°C to +80°C -20°C to +80°C
Active Gage Length 153 mm 51 mm 250 mm²