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Concrete-embedded Strain Gages
Overview
The KMC series gages are designed to measure self-shrinkage and self-stress of cemented materials.
They enable measurement of the self-shrinkage and high-fluidity concrete immediately after placing.
They are also used effectively to check for cracks of cemented materials.
Usually, a T-type thermocouple is installed near the gage, while the KMC series gages of H4 type do not require such the installation since they are equipped with a built-in thermocouple.
Technical Information
Major Properties
Materials Resistive element CuNi alloy
Materials Base Silicone
Operating temperature in combination with major adhesives after curing (°C) (Embedment) Normal temperature to 70ºC
Operating temperature in combination with major leadwire cables (°C) Vinyl-coated flat 3-wire cable: Normal temperature to 70ºC
Self-temperature-compensation (°C) -
Applicable linear expansion coefficients (×10^-6/℃) -
Strain limits at normal temp. (approx. %) -
Fatigue lives at normal temp. (times) -
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