Concrete rebound hammer is applied to test the compressive strength of hardend concrete in building structure.
standard:jgj/t23-2011; gb /t9138-1988; jjg817-93; astm c 805; bs 1881:202; nf p18-417; din 1048; uni 9189
product name
zc3-a concrete test hammer
standard impact energy
2.207j
testing range
10~60mpa
stroke of rebound hammer
75±0.3mm
average rebound value
80±2
the static friction of pointer slider
0.65n±0.15n
sphere radius of rebound pole sr
25±1mm
working humidity
≤90%rh
working temperature
-10°c~+50°c
size
195x140x45mm
weight
2.1kg