Búa thử độ cứng bê tông Huatec Schmidt Hammer HTH-225
Parameter
Test range: 10~60Mpa
Standard impact energy: 2.207J(0.225Kgf.m)
Stroke of rebound hammer: 75mm
Friction of pointer slider: 0.5N~0.8N
Sphere radius of rebound pole SR: 25mm±1mm
Average rebound value on steel anvil Rm: 80±2
Size: Φ54*278mm
Weight: ≈1KG
HTH-225 A same as HTH-225, just added spare parts: Strike tension spring and screw driver.