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Rebar Strainmeters (Electrical Resistance)

Rebar Strainmeters (Electrical Resistance)

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 readoutsystems 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.

    Rebar Strainmeters (Electrical Resistance)

Description

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 readoutsystems 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.


Spesification

Standard Range
3000 µε
Sensitivity 0.4 µε
Accuracy¹ ±0.25% F.S.
Linearity 0.25% F.S.
Bridge Resistance 350 Ω
Temperature Range² −20°C to +80°C
Rebar Sizes 3911 | 4 (Sister Bar) 
3911A | 6, 7, 8, 9, 10, 11, 12
Length                            914 mm                                        

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Jl. Radin Inten II No. 61B Duren Sawit - Jakarta 13440
0815 614 1954, 0817 921 7081, 0813 9929 1909
sales@sensorindo.com
(021) 29563052
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