Consistent with GB/T9138-1988 standards and JJG817-93 statutes and JGJ/T23-2001 technical regulations. Concrete Test Hammer generally applied to building components, bridges and all kinds of concrete components (panels, beams, columns, bridges). Center guide rod using imported materials, high precision, wear-resistant. Point slider with external spring ring structure, both convenient for the friction adjustment and ensures that the pointer shaft and pointer slider are uniformed, to ensure the accuracy of the instrument.
Measuring ranges: 10-60MPa
Impact energy: 2.207J
Spring extension: 75mm, Average rebound values on steel anvil: 80±2
Static friction of pointer slider: 0.5N±0.8N
Radius of spherical tip : 25mm±1mm