Besmak

SHRINKAGE MEASURING DEVICE FOR CONCRETE AND CEMENT SPECIMENS – BGE-678

The Shrinkage Measuring Device is a precision testing instrument designed to determine length changes, shrinkage, expansion, and deformation in concrete, cement, mortar, and other construction material specimens. The system utilizes a high-accuracy digital length comparator mounted on a rigid measuring frame, ensuring reliable and repeatable measurements throughout long-term testing programs.
Designed for laboratories, research institutions, universities, and quality control departments, the BESMAK Shrinkage Measuring Device complies with internationally recognized testing standards and delivers accurate results for monitoring dimensional stability in cementitious materials.

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What is a Shrinkage Measuring Device?

A Shrinkage Measuring Device, also known as a Length Comparator, is used to measure dimensional changes in concrete and cement specimens over time. These changes may occur due to drying shrinkage, expansion, moisture variations, curing conditions, or chemical reactions within the material.

The equipment allows engineers and researchers to evaluate the long-term durability and performance of concrete structures by accurately tracking specimen length variations.

Key Features of the Shrinkage Measuring Device

  • High-precision digital length comparator
  • Rigid measuring frame for stable readings
  • Suitable for concrete, cement, mortar, and grout specimens
  • Accurate monitoring of shrinkage and expansion behavior
  • Easy specimen positioning and measurement
  • Durable laboratory-grade construction
  • Long-term dimensional stability testing capability
  • Designed according to international testing standards

Applications of Shrinkage Measuring Devices

The BESMAK Shrinkage Measuring Device is widely used for:

  • Concrete shrinkage testing
  • Cement expansion measurements
  • Mortar dimensional stability studies
  • Research and development laboratories
  • University engineering departments
  • Construction material quality control
  • Durability and performance assessment
  • Long-term deformation monitoring

Technical Specifications

Feature Specification
Product Code BGE-678
Measurement Type Shrinkage & Expansion
Comparator Type Digital Length Comparator
Frame Construction Heavy-Duty Steel Frame
Weight 85 kg
Dimensions 435 × 800 × 1050 mm
Standards EN 12808-4, EN 1367-4, EN 12617-4, ASTM C151, ASTM C157, ASTM C227, ASTM C341, ASTM C342, ASTM C441, ASTM C452, ASTM C490, ASTM C531, ASTM C596, ASTM C806, ASTM C878, BS 1881-5, ISO 6073

Compatible Shrinkage Moulds

The Shrinkage Measuring Device can be used with dedicated shrinkage moulds for preparing standardized specimens.

Available mould options include:

Shrinkage Mould for Concrete 25 × 25 × 285 mm

  • Product Code: BCO-112/2
  • Hardened steel construction
  • High dimensional accuracy

Shrinkage Mould for Concrete 50 × 50 × 200 mm

  • Product Code: BCO-112/3
  • Hardened steel construction
  • Suitable for shrinkage and expansion testing

Shrinkage moulds are supplied separately.

Benefits of Shrinkage Testing

Monitoring shrinkage and expansion is critical for:

  • Preventing cracking in concrete structures
  • Improving material formulations
  • Evaluating durability performance
  • Verifying compliance with international standards
  • Assessing long-term structural behavior
  • Supporting quality assurance programs

Accurate shrinkage measurements help engineers optimize concrete mixtures and ensure structural reliability.

Why Choose BESMAK Shrinkage Measuring Devices?

BESMAK designs and manufactures advanced testing equipment for construction materials laboratories worldwide.

Advantages include:

  • High measurement accuracy
  • Reliable long-term performance
  • Compliance with international standards
  • Robust laboratory-grade construction
  • User-friendly operation
  • Technical support and calibration services
  • Export experience in more than 75 countries

Frequently Asked Questions (FAQ)

What is a Shrinkage Measuring Device used for?

A Shrinkage Measuring Device is used to measure length changes, shrinkage, and expansion in concrete, cement, mortar, and other cementitious specimens over time.

What materials can be tested?

Concrete, cement, mortar, grout, and other cement-based construction materials can be tested.

Does the system include shrinkage moulds?

No. Shrinkage moulds are supplied separately and can be ordered according to the required specimen dimensions.

Which standards does the equipment comply with?

The device complies with various EN, ASTM, BS, and ISO standards, including ASTM C151, ASTM C157, EN 12808-4, and EN 1367-4.

Why is shrinkage testing important?

Shrinkage testing helps identify dimensional changes that may lead to cracking, durability issues, and long-term performance problems in concrete structures, enabling engineers to improve material performance and structural reliability.