Power:Electronic Usage:schmidt testing hammer Product name:Mechanical concrete rebound test hammer Warranty:1 Year Package:safty box for Mechanical concrete rebound test hammer Brand:Bnd materials:stainless steel Standard:GB T9138-1988 standards and JJG817-93 statutes and JGJ T23-2001 impact energy:2.20 Show More...
Power:Electronic Usage:schmidt testing hammer Product name:Mechanical concrete rebound test hammer Warranty:1 Year Package:safty box for Mechanical concrete rebound test hammer Brand:Bnd materials:stainless steel Standard:GB T9138-1988 standards and JJG817-93 statutes and JGJ T23-2001 impact energy:2.207J (0.225kgf.m) Spring constant:785N m Spring extension:75mm