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Model 3911 · 3911A

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Model 3911 Electrical Resistance Type Rebar Strainmeters are designed primarily for monitoring the stresses in reinforcing steel in concrete structures, such as bridges, concrete piles and diaphragm walls. They are particularly suitable where dynamic strain measurements are required in addition to static strains, or where existing readout systems or dataloggers are not capable of reading vibrating wire sen­sors. The Model 3911, or "Sister Bar," is designed to be wire tied in parallel with the structural rebar. The small diameter of the bar minimizes its effect on the sectional modulus of the concrete. Larger models (3911A) are available for welding directly into structural rebar.

• Data Sheet ›
• Manual (3911 Series) ›