Deformation Measurement Device – E-Module Model 0712/0704


For determining the Young’s modulus on concrete cylinders, drill cores and prisms. For recording the mean change in length at two lateral lines of the specimen.




✓ Wide range of applications (sample diameter and measuring length variable)
✓ High reproducibility
✓ Robust, simple modular principle
✓ Application and disassembly during operation
✓ Designed for mobile use (transport case)

Working Principle

The double extension sensor with the desired measuring length is applied to the specimen. It is fixed by the springs. At this procedure the precise extension sensors are blocked at neutral position. After the adaption they will be delocked and a zero adjustment (ZERO potentiometer) will be performed. The compression test will be done; before rupture of the specimen the extensiometer should be removed. The removement can be performed even when sample is under load.

Additional information

Measuring length (adjustable)

40… 200 mm

Specimens´ diameter

30 … 160 mm

Measuring distance

± 2 mm

Type of sensor


Max. measuring distance of DD1

± 2,5 mm

Accuracy, max. measuring distance

0,2 %

Permissible ambient temperature

-10 … +60 °C

Supply voltage amplifier

± 20 – 28 V

Output voltage amplifier

± 10 V


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