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DTM225 Digital concrete test hammer
Place of Origin：China
Standard impact energy：2.207J
Rigidity of tension spring：785.0±40.0(N/m)
Pointer length：20.0±0.2(mm)
Pointer friction：0.65±0.15(N)
Working length of bounce tension spring：61.5.0±0.3(mm)
Power supply：3.7V Lithium battery, 1050 mA
Port：USB (update type and WIFI. )
Collection Mode：Automatic display and record data
Size(mm）：150×62×39
Weight（kg）：0.1kg（include battery）
Color：Yellow
Rebound Hammer type：Digital concrete test ham
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