Embedded Concrete Strain Gauge

Embedded strain gauges for precise measurement of true internal strain in concrete. Constructed with waterproof composite materials for moisture resistance and corrosion protection, ensuring long-term stability and reliability. Built-in temperature compensation ensures data accuracy.High sensitivity with 3.2mm shielded cable for stable, anti-interference signal transmission.

SKU: CCHN-SG-EC

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Delivery date: 6-25 days

Overview

This embedded concrete strain gauge features a polyimide substrate for exceptional durability. Standard resistance values of 120Ω(±0.8%) and gauge lengths of 80mm are available, both customizable to meet diverse engineering requirements. The operating temperature range extends from -30°C to +60°C, meeting the demands of typical engineering environments.

Specification

Model	CCHN-TMB120-80AA3L2
Standard Resistance	120 Ω ±0.8% (other resistance values available upon request)
Substrate	Polyimide
Operating Temperature Range	-5℃ ~ 50℃
Extreme Temperature Range	-30℃ ~ +60℃
Product Structure	Strain-sensitive grid encapsulated and sealed with robust waterproof composite material
External Material	Special polymer composite material
Structure Dimensions	130 × 17 × 10 mm
Sensitive Grid Material	Constantan / Karma alloy sensitive grid (manufactured according to application requirements)
Sensitive Grid Length	80 mm (customizable)

Features

Temperature Self-Compensation: Built-in temperature compensation minimizes the impact of ambient temperature fluctuations, ensuring this strain gauge delivers stable and accurate performance in embedded concrete applications.
Waterproof and Corrosion Resistance: Constructed with specialized polymer composite materials, this waterproof concrete strain gauge resists moisture penetration and corrosion, making it ideal for long-term embedded strain gauge installations in harsh environments.
Stable and Interference-Resistant: Equipped with a high-sensitivity resistance strain gauge element and a 3.2mm outer-diameter shielded cable, this embedded strain gauge provides stable signal transmission and enhanced anti-interference capability for reliable structural monitoring.

Tips: How to select the right strain gauge for your needs?

To choose the appropriate strain gauge, first clarify the measurement objectives and operating environment, then match parameters based on specific working conditions. First, determine the suitable type based on the measurement purpose, temperature range, and environmental conditions. Next, select the grid length according to the uniformity and curvature of the material being measured. Match the temperature self-compensation specification to the thermal expansion coefficient of the component being measured. Choose the resistance based on the measurement circuit and power consumption requirements. Determine the sensitive grid and substrate materials considering the operating temperature, durability, and installation conditions, while ensuring the strain range covers the actual maximum strain and includes a safety margin. Finally, select the grid pattern and lead configuration based on strain type, wiring distance, and anti-interference requirements. Integrating these parameters enables the selection of strain gauges meeting measurement accuracy, stability, and reliability requirements.