Item No.: ST1031
The Schmidt hammer is used to determine the instantaneous elasticity distorts and recoils distance. It uses a spring to drive the test hammer and drive the concrete surface through drawbar and make the test hammer drive dial rebound and indicate the recoil distance. It treats the rebound value (the rate of rebound distance and the distance between test hammer and drawbar before impacting, indicate as percentage) as one relative indexes of the concrete compressive strength.
The Schmidt hammer is also used to determine the compressive strength for concrete.
Technical Specifications of the Schmidt Hammer
Needle length: 20.0±0.2mm
Elastic pullback spring length: 61.5±0.3mm
Strike hammer stroke: 75.0±0.3mm
Calibration value of anvil: 80±2
Anvil for calibration of the Schmidt hammer
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