Analyzer suitable dynamic elastic modulus of concrete durability of acrylic emulsion mortar, carbon experiment measured the resonance frequency of the concrete or mortar specimens in some kind of vibration mode, calculate the dynamic modulus of elasticity of concrete, and the elastic modulus The amount of test mode 150mm x 300mm, the flexural test mode 100mm × 100mm × 400mm standard test pieces and freeze-thaw test chamber supporting the use to determine the extent of damage to the concrete in the process of freeze-thaw cycles or chemical attack. Features: This machine used test methods of technical indicators are in line with national industry standards and the hydraulic concrete test procedures "DL/T5150-2001 GB/T3047.2-82 of the requirements for the application of large-scale integrated circuits and micro-processing technology, achieve testing, data processing compared with similar products, this machine has a high degree of automation, functional, easy to operate in the domestic leading level of technical parameters: 1, the amount of frequency range: 100Hz-20kHz measurement error: <3 % output power: 0 ~ 15W