1. The center guide rod adopts imported materials with high precision and wear resistance; 2. The shell is made of super-hard aluminum to avoid dama to the instrument during the field operation and prolong the service life; 3. The pointer slider adopts an external coil structure, which not only facilitates the adjustment of the friction force, but also ensures the uniform friction between the pointer shaft and the pointer slider, and ensures the accuracy of the instrument. 4. Compared with peer products, it has high precision and long service life. 5. HT-225 concrete test hammer is applied to test the compressive strength of building concrete components, brid and so on., Manufacturer: MMHHHG
1. The center guide rod adopts imported materials with high precision and wear resistance; 2. The shell is made of super-hard aluminum to avoid dama to the instrument during the field operation and prolong the service life; 3. The pointer slider adopts an external coil structure, which not only facilitates the adjustment of the friction force, but also ensures the uniform friction between the pointer shaft and the pointer slider, and ensures the accuracy of the instrument. 4. Compared with peer products, it has high precision and long service life. 5. HT-225 concrete test hammer is applied to test the compressive strength of building concrete components, brid and so on., Manufacturer: MMHHHG
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