Concrete dynamic elastic modulus tester

DET-04Concrete movementState elastic modulus tester

DET-04Concrete movementState elastic modulus testerIt can test the natural frequency, Young's modulus, shear modulus, Poisson's ratio, internal friction and other performance parameters of materials such as rock, concrete, concrete, refractory materials, cement, etc., with a repetition rate of over 99%. The instrument is easy to operate and has high accuracy.

Compliant with standards:

ASTM E 1876-2015/BS EN 14146-2004/GB/T 30758-2014/ASTM C 215-14

GB/T 500822024 "Test Method for Long term Performance and Durability of Ordinary Concrete"

The concrete, rock, and dynamic elastic modulus measuring instrument can also perform online continuous observation of the long-term and durability of concrete, as well as continuous online testing of the solidification time of concrete, greatly shortening the research and development cycle of concrete, It plays a very auxiliary role in the production, use, and research and development of concrete.

Product advantages:

Non destructive testing, easy to operate;

adopt FFT conversion, accurate and reliable analysis, intuitive spectrum diagram;

No need to continuously output sine wave signals with increasing frequencies to the transmitting probe (using internationally recognized methods);

With just a gentle tap, the Young's modulus, shear modulus, Poisson's ratio, and internal friction of the material can be displayed on the program interface;

The resonance peak of the material can be visually observed, and the resonance peak can also be observed at the same interface;

Imported high-precision and stable sensors and data processors;

The software has high accuracy in data analysis and a user-friendly interface.

Pulse excitation technology refers to the use of appropriate external force to excite a specimen, giving it a continuous pulse wave. When a wave of a certain frequency in the continuous pulse wave is consistent with the natural frequency of the specimen itself, the amplitude is large and the delay is long. This resonant wave is transmitted through a testing probe or sensor and converted from an analog signal to a digital signal, which is then transmitted to a computer for analysis and processing to obtain the natural frequency of the material. The Young's modulus, shear modulus, Poisson's ratio, and damping ratio of the material are calculated from this frequency value.

Technical specifications

Test method: Pulse excitation method

Support method: Xuanxian support

Measurement items: natural frequency, Young's modulus, shear modulus, Poisson's ratio, internal friction

frequency responseFanenclose: 20Hz22kHz

Frequency accuracy:0.01Hz

Test scope:1-500GPa(Young's modulus, shear modulus)

Test accuracy:0.5%

pick sample Rate:44.1K/48K/88.2K/96K/176.4K/192K Hz

spirit Min degree: 1mv/pa

Sample shape: strip-shaped or rod-shaped

Sample size:160mm×Φ40mmRecommended size (can be customized according to the user's desired strip size)