Consistent with B/T9138-1988 standards. This instrument applies to non-destructive testing the strength of sintered common brick is also suitable for lightweight aggregate concrete and other lightweight materials strength testing.
Impact energy: 0.735J
Spring extension: 75mm
The static friction of pointer slider: 0.5±0.1N
Radius of spherical tip : 25±1mm
The average rebound values on steel anvil: 74±2
brick test hammer HT-75