Concrete test hammer
Standards: GB/T9138-1988, JJG817-93 , JGJ/T23-2011
The concrete test hammer is used to test the compressive strength of general concrete structure components thus to evaluate the quality. Delivery with a standard test block, plastic carrying case English manual and calibration certificate. This model is pointer display, it’s kind of the most common concrete non destructive test equipment.
●Center guiding rod made of imported high quality material guaranteed high accuracy and good wearing resistance
●Enclosure made of Super-hard aluminum to avoid scratch and extend the tooling life.
●Pointer slider external positioned makes it easier for adjustment and reach uniform friction, guaranteed the accuracy.
Test range: 10-70Mpa
Nominal impact energy: 2.207J (0.225Kgf.m)
Spring stretch length: 75±0.3mm
Pointer slider static friction: 0.65±0.15N
Impact rod sphere radius of curvature (SR): 25mm±1mm
Average rebound value again anvil (Rm): 80±2
Overall size: Φ54×278mm
Net weight: 1Kg
Packing weight: 2kg