Compressometer Extensometer for Concrete Testing | ASTM C469 & EN ISO 9513

COMP – COMPRESSOMETER-EXTENSOMETER

Compressometer Extensometer for Concrete Modulus of Elasticity Testing The Compressometer Extensometer is a high-precision measuring device designed to determine axial and diametral deformation of concrete specimens during compression testing. It is widely used for evaluating the modulus of elasticity of concrete according to ASTM C469 and deformation measurements in accordance with EN ISO 9513 Accuracy Class 0.5. The BESMAK Compressometer Extensometer provides reliable strain measurements for laboratory and research applications, ensuring accurate results in concrete material characterization and quality control.

Standards:

ASTM C469
EN 12390-13

Category: Concrete

Key Features of Compressometer Extensometer

Complies with ASTM C469 and EN ISO 9513
Accuracy Class 0.5
Axial standard initial gauge lengths:
100 mm
150 mm
200 mm
Axial measuring range: ±1 mm
Diametral measuring range: ±1 mm
Suitable for concrete cylinders and core specimens
Durable laboratory-grade construction
Easy installation and specimen positioning
Operating temperature range: -10°C to +60°C
High repeatability and measurement stability

Applications of Compressometer Extensometer

The Compressometer Extensometer is used in laboratories, universities, research institutes, construction material testing centers, and quality control departments for:

Concrete modulus of elasticity testing
Stress-strain analysis of concrete specimens
Determination of Poisson’s ratio
Compression deformation measurement
Research and development projects
Concrete quality control testing
Structural material performance evaluation

Why Use a Compressometer Extensometer?

Accurate strain measurement is essential for determining the mechanical behavior of concrete under load. A Compressometer Extensometer allows engineers and researchers to precisely monitor deformation throughout a compression test, helping evaluate elasticity, stiffness, and structural performance.

When combined with a Compression Testing Machine, the system provides dependable data required by international standards and laboratory accreditation procedures.

Available Models

Product Code	Specimen Diameter
COMP/100	Ø100 mm
COMP/150	Ø150 mm
COMP/160	Ø160 mm
COMP/250	Ø250 mm

Compliance with International Standards

The BESMAK Compressometer Extensometer is manufactured to meet internationally recognized testing requirements, including:

ASTM C469
EN ISO 9513 Accuracy Class 0.5

These standards ensure reliable measurement of concrete strain and modulus of elasticity for quality assurance and research purposes.

Benefits of BESMAK Compressometer Extensometer

High measurement accuracy
Long service life
Easy specimen mounting
Reliable deformation monitoring
Suitable for research and industrial laboratories
Compatible with a wide range of concrete compression testing systems
Designed for intensive laboratory use

Frequently Asked Questions (FAQ)

What is a Compressometer Extensometer?

A Compressometer Extensometer is a measuring device used to determine the strain and deformation of concrete specimens during compression testing.

What is ASTM C469?

ASTM C469 is the standard test method used to determine the static modulus of elasticity and Poisson’s ratio of concrete in compression.

Why is strain measurement important in concrete testing?

Strain measurement helps determine how concrete deforms under load, allowing engineers to calculate modulus of elasticity and assess structural performance.

Which specimen sizes are supported?

The BESMAK Compressometer Extensometer is available for Ø100 mm, Ø150 mm, Ø160 mm, and Ø250 mm concrete specimens.

Can the device be used in accredited laboratories?

Yes. The device complies with internationally recognized standards and is suitable for laboratories performing quality control and research testing.