Feature

●Center rod use imported material, high precision and wear proof
●Shell use super hard aluminums, protect instrument from damage on site work and prolong use life.
●Test range: 50~80Mpa
●Pointer slider is outside ring structure, easy to adjust friction, and assure equal friction between pointer slider and axis. And assure the precision of instrument.
●Good precision, longer use life and better price.


Description

Brief introduction:
Submit to JGJ/T23-2001 technology regulation. The instrument is suitable for testing strength of tall building structure, bridge and concrete component etc. Technical Specifications
Test range: 50~80Mpa
Standard impact energy:9.8J
Stroke of rebound hammer: 140mm
Friction of pointer slider: 0.4N~0.8N
Average rebound value on steel anvil: 83±2
Stiffness of tension spring: 10N/cm
Size: Φ65*486mm
Weight: ?3.5KG