KMC Series
Concrete-embedded Strain Gages

Summary

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.

Major Properties

Materials Resistive element CuNi alloy wire
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. %) 0.3
Fatigue lives at normal temp. (times) -

Products table

All display

KMC120ΩUniaxial

Model Dimensions (mm)
Gage(Grid) Base
Length Width Length Width
KMC-70-120-H3 70

KMC120Ω Uniaxial

Model Dimensions (mm)
Gage(Grid) Base
Length Width Length Width
KMC-70-120-H4 70

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