Digital rebound hammer

rebound hammer,Digital rebound hammer,test hammerchinacoal07 Product introductionField of use InstructionsThe ZBL-S230 is designed for use with standard concrete to measure the anti-compressive strength via a non-destructive testing method. It’s main uses are within concrete construction projects.FeaturesUniquely invented high performance transducer,anti-dust,anti-corrosion, enable over 300,000 repeated uses.Digital/indicator dual display mode.The mainframe and mechanical